SYSTXCCITC-12SI.pdf

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Installation Instructions

NOTE: Read the entire instruction manual before starting the

installation.

NOTE: Please refer to the literature provided with the connected HVAC

equipment for more details on system operations with specific pieces of

equipment.

The features and functions outlined in the Installation Instructions reflect

Version 1.3 or later software. See the Infinity System Control product

page on the HVACPartners.com website or the Downloads section of the

www.MyInfinityTouch.Carrier.com website for the latest software

release and literature.

US Patents: Carrier U.S. Pat No. 7,243,004, U.S. Pat No. 7,775,452,

pointSET™ U.S. Pat No. 7,415,102

SYSTXCCITC01-B,

SYSTXCCITC01-C,

SYSTXCCWIC01-B,

SYSTXCCICF01-B,

SYSTXCCWIF01-B

Infinity® System Control

A210174

A170203A

A180218C

Table of Contents

1. Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3. Quick Start. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1. Set Time and Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.1.1. Manually Adjust Time and Date. . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.1.2. Setup Time Zone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.1.3. Enable Time Synchronization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.2. Set Dealer Information for Series B . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.1. Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.2. Check Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3. Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.3.1. Wall Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.3.2. Wired Remote Room Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.3.2.1. Wired Remote Room Sensor Averaging . . . . . . . . . . . . . . 13

4.3.3. Smart Sensors (for zoning applications). . . . . . . . . . . . . . . . . . . . 14

4.4. Wiring Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.4.1. Shielded Wire and Communication Bus Configuration . . . . . . . . 16

4.4.2. Damper Control Module (zoning systems only). . . . . . . . . . . . . . 17

4.5. Decorative Trim Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.5.1. Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.5.2. System Control Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.6. Humidifier Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.6.1. Bypass Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.6.2. Fan Powered Humidifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.7. Ventilator Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.7.1. Energy Recovery Ventilator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.7.2. Heat Recovery Ventilator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5. Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.1. Searching for Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.2. Searching for Outdoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.3. Indoor Evaporator Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.4. Electric Heater Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.4.1. Hydronic Heat Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.5. Searching for SAM Module (If Applicable) . . . . . . . . . . . . . . . . . . . . . . 25

5.6. Searching for Zones (If Applicable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.7. Filter Type Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.8. Humidifier Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.9. Ultraviolet Lights Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.10. Equipment Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.11. Airflow Verification Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.12. Duct Assessment (zoned systems only) . . . . . . . . . . . . . . . . . . . . . . . . . 28

6. Service Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6.1. Equipment Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.2. Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.3. Set up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

6.3.1. Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.3.1.1. Auto Mode Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.3.1.2. Heat/Cool Deadband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

6.3.1.3. Offsets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

6.3.1.4. Reset Factory Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6.3.1.5. Scheduling On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.3.1.6. Smart Recovery On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.3.2. Fan Coil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.3.2.1. Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.3.2.2. Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.3.2.3. Dehumidification Options . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.3.2.4. Fan Coil G-Terminal Input. . . . . . . . . . . . . . . . . . . . . . . . . 37

6.3.2.5. Fan Coil G-Terminal Alert . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.3.2.6. Fan Coil G Terminal Alert Label . . . . . . . . . . . . . . . . . . . . 39

6.3.3. Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.3.3.1. Furnace Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.3.3.2. AC/HP Airflow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.3.3.3. Furnace Staging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6.3.3.4. Furnace Airflow Limits (modulating furnace only) . . . . . . 41

6.3.3.5. Furnace Off Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.3.3.6. Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.3.3.7. Furnace Dehumidifier Drain. . . . . . . . . . . . . . . . . . . . . . . . 42

6.3.3.8. Furnace G Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

6.3.3.9. Furnace G-Terminal Alert . . . . . . . . . . . . . . . . . . . . . . . . . 43

6.3.3.10. Furnace G Terminal Alert Label . . . . . . . . . . . . . . . . . . . . 44

6.3.4. AC/Heat Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.3.4.1. Latching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.3.4.2. Cooling Lockout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

6.3.4.3. Defrost Interval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.3.4.4. Low Ambient Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.3.4.5. Quiet Shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.3.4.6. AC/Heat Pump RPM Max . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.3.4.7. Defrost Fan Delay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.3.4.8. Brownout Disable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.3.4.9. Low Air Multiplier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.3.4.10. Energy Efficiency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.3.5. Heat Source Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.3.6. Stages / Latch for 18VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6.3.7. Geothermal HP (when available) . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.3.7.1. Freeze Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.3.7.2. Lockout Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6.3.7.3. Brownout Override. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6.3.7.4. Geothermal HP Energy Tracking . . . . . . . . . . . . . . . . . . . . 51

6.3.8. Zoning (If Applicable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6.3.8.1. Disable Zoning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.3.8.2. Zone Offsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.3.8.3. Airflow Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.3.8.4. Duct Assessment Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6.3.9. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6.3.9.1. Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6.3.9.2. Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

6.3.9.3. Ultraviolet Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

6.3.9.4. Ventilator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.3.10. Utility Curtailment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.3.11. Hydronic Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

6.4. Check out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

6.4.1. Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.4.2. Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.4.3. Hydronic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.4.4. Air Conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.4.5. Heat Pump Heating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.4.6. Heat Pump Cooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

6.4.7. Humidifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.4.8. Ventilator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.4.9. Zoning (If Applicable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.4.9.1. Airflow Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.4.9.2. Damper/Sensor Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

6.4.9.3. Zone Duct Assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

6.4.9.4. Sensor Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

6.5. Service Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

6.5.1. Advanced Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

6.5.2. Fan Coil Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

6.5.3. Furnace Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

6.5.4. AC Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

6.5.5. Heat Pump Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

6.5.6. Geothermal HP Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

6.5.7. Zoning Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

6.5.8. Last 10 System Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

6.5.9. Run/Fault History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

6.5.10. Model/Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

6.5.11. Service Phone Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

6.5.12. Energy Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

6.6. Refrigerant Charging: Greenspeed® Intelligence, 18VS™, 19VS™ Sys-

tems 69

6.6.1. Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

6.6.2. Pump Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

6.6.3. Evacuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

6.6.4. EXV Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.7. Dealer Logo for Series B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.8. Utility Event Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

7. Wireless Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

7.1. Setup and Status Information (Homeowner’s Router) . . . . . . . . . . . . . . 75

8. Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

9. Statement Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

9.1. FCC Interference Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

NOTE: See the Owner’s Manual for information regarding software

upgrades.

1. Safety Considerations

Improper installation, adjustment, alteration, service, maintenance, or use

can cause explosion, fire, electrical shock, or other conditions which may

cause death, personal injury or property damage. Consult a qualified

installer, service agency or your distributor or branch for information or

assistance. The qualified installer or agency must use factory-authorized

kits or accessories when modifying this HVAC system. Refer to the

individual instructions packaged with the kits or accessories when

installing.

Follow all safety codes. Wear safety glasses, protective clothing, and

work gloves. Have a fire extinguisher available. Read these instructions

thoroughly and follow all warnings and cautions included in literature

and attached to the unit. Consult local building codes and the current

edition of the National Electrical Code (NEC) NFPA 70. In Canada, refer

to the current editions of the Canadian Electrical Code CSA C22.1.

Recognize safety information. When you see this symbol on the unit

and in instructions or manuals, be alert to the potential for personal

injury. Understand the signal words DANGER, WARNING, and

CAUTION. These words are used with the safety-alert symbol.

DANGER identifies the most serious hazards, which will result in severe

personal injury or death. WARNING signifies hazards, which could

result in personal injury or death. CAUTION is used to identify unsafe

practices, which may result in minor personal injury or product and

property damage. NOTE is used to highlight suggestions which will

result in enhanced installation, reliability, or operation.

2. Introduction

The Infinity® System consists of several intelligent communicating

components which include the Infinity System Control (or User

Interface), variable speed furnace or FE fan coil, 2-stage AC and HP,

(including Geothermal units), multi-stage AC and HP, variable capacity

HP and AC units, and Infinity System Package units which continually

communicate with each other via a four-wire connection called the

ABCD bus. Commands, operating conditions, and other data are passed

continually between components over the ABCD bus. The result is a new

level of comfort, versatility, and simplicity.

All Infinity System furnaces or fan coils are variable-speed and multi

stage for maximum flexibility, efficiency, and comfort. They support

controlled ventilation, humidification, dehumidification, and air quality

control. Either an Infinity System (communicating), or a standard

single-stage 24VAC controlled outdoor unit may be used.

When using conventional single-stage outdoor units, the Infinity System

furnace or fan coil provides the 24 volt signals needed to control them.

When using multi-stage conventional outdoor units or heat pumps, an

Infinity System Network Interface Module or “NIM” (P/N

SYSTXCCNIM01) may be required to provide additional control

outputs. Also, the NIM with a translator board (SYSTXXXTRB01)

allows connection of a Carrier HRV or ERV without the need for separate

wall control.

All system components are controlled through the wall mounted Infinity

System Control, which replaces the conventional thermostat and

provides the homeowner with a single wall control for all features of the

system.

3. Quick Start

NOTE: See Installation Section for installation instructions.

3.1. Set Time and Date

The time and date can either be set manually or can be synchronized with

the web server. From the main screen, touch MENU, on the bottom of

the control. The TIME/DATE icon will bring up the time and date menu.

A14215

3.1.1. Manually Adjust Time and Date

• To set the HOUR, MINUTE, MONTH, DAY, or YEAR touch the

feature you wish to change.

• Use the Up (▲) and Down (▼) buttons to make the appropriate

changes.

• When you have completed all of the settings touch SAVE.

3.1.2. Setup Time Zone

The time zone can be selected by selecting the set time zone from the

menu. Then select the time zone for the location. Time zones for both US

and Canada are included.

3.1.3. Enable Time Synchronization

After setting up the time zone, the time synchronization can then be done,

after connection to the Internet server. Both setting the time zone and

enabling time synchronization must be done in order to enable time

synchronization.

3.2. Set Dealer Information for Series B

From the main screen, touch MENU, on the bottom of the control, then

Down (▼) button so that the SERVICE icon is shown. The SERVICE

icon allows you to upload your contact information into the Infinity

System Control.

A170243C

• Format your contact information and logo (if applicable) using the

PC/MAC Desktop application available at

www.MyInfinityTouch.Carrier.com, and save it to a standard micro

SD card. See Dealer Logo Section for more information.

• Touch the SERVICE icon for about 10 seconds, touch DEALER

LOGO UPLOAD.

• Place the micro SD card into the micro SD card slot on the bottom of

the Infinity System Control and follow the on screen prompts.

• More detailed information can be found on HVACPartners.com under:

Products and Dashboards > Product Catalog > Residential Controls >

Systems Controls > SYSTXCCITC01-B> Documents > Marketing >

Miscellaneous> Infinity System Control Dealer Logo Application -

Instructions.

4. Installation

4.1. Overview

This instruction covers installation of the Infinity System Control only.

Physical installation instructions for the indoor and outdoor equipment,

and accessories are provided with each unit.

Setup, commissioning, operation, and troubleshooting of the Infinity

System are covered in this installation instruction at a high level. More

detailed information may be available in the Infinity System HVAC

equipment Installation Instructions. This is the guide to connecting the

system components and commissioning the system once all physical

components are installed. Special screen prompts and start-up

capabilities are provided in the Infinity System to simplify and automate

the initial commissioning of the system.

• Install the Infinity System Control according to this instruction.

• Install indoor unit, outdoor unit, and accessories according to their

instructions.

• Wire complete system according to this instruction.

• Setup, commission, and operate system according to this instruction,

and as supplemented in the HVAC equipment Installation Instructions,

to assure a smooth and trouble free start-up.

• Note that some detailed equipment configuration and service

information may be included with the equipment instructions. Please

refer to the equipment installation instruction manuals, and applicable

technical training materials, for all devices for complete information.

4.2. Check Equipment

Inspect equipment. File a claim with shipping company prior to

installation if shipment is damaged or incomplete.

4.3. Location

All wiring must comply with national, state, and local codes.

4.3.1. Wall Control

The Infinity System Control is the command center for the Infinity

System. It should be located where it is easily accessible and visible to

the adult homeowner or end user. For accurate temperature measurement,

the following guidelines should be followed:

The Infinity System Control, Remote Room Sensors and Smart Sensors

SHOULD be mounted:

• Approximately 5-ft (1.5 m) from the floor.

• Close to or in a frequently used room, preferably on an inside

partitioning wall.

• On a section of wall without pipes or ductwork.

The Infinity System Control and Sensors SHOULD NOT be mounted:

• Close to a window, on an outside wall, or next to a door leading to the

outside.

• Exposed to direct light or heat from a lamp, sun, fireplace, or other

temperature-radiating objects which could cause a false reading.

• Close to or in direct airflow from supply registers.

• In areas with poor air circulation, such as behind a door or in an

alcove.

WARNING

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal injury or death.

Disconnect power before routing control wiring.

4.3.2. Wired Remote Room Sensors

A Remote Room Sensor can be used with the Infinity System Control to

take the place of the control’s internal temperature sensor. This allows the

Infinity System Infinity System Control to be mounted in areas with less

than optimal airflow (such as near an exterior door, window or in a

closet). The remote sensor can be wired to the terminal block connectors

labeled S1 and S2 at the control’s backplate on the -B only control, or the

ZS1 and ZS1C connection at the Damper Control Module. In either case,

the Infinity System Control will automatically detect the Remote Room

Sensor and ignore its internal temperature sensor.

NOTE: Humidity sensing will occur ONLY at the Infinity System

Control. The wired Remote Room Sensor does NOT have humidity

sensing capability.

4.3.2.1. Wired Remote Room Sensor Averaging

Typically, one wired remote sensor is used but, multiple wired sensors

may be used and averaged in some applications. Averaging requires a

special series-parallel wiring method with a specific number of sensors.

See figure below. It is also important to note the humidity sensor cannot

be remotely located, so do not locate the Infinity System Control in an

area where humidity sensing may not be accurate.

A03233

4.3.3. Smart Sensors (for zoning applications)

Any zone may use a Smart Zone Sensor (SYSTXCCSMS01 or

SYSTXZNSMS01). It provides a temperature display and buttons to

adjust the desired temperature in that zone only. It also displays outdoor

temperature and indoor humidity sensed at the Zone 1 Infinity System

Control. Only one Smart Sensor may be used per zone. They cannot be

averaged like Remote Room Sensors. If a Smart Sensor is used in a zone,

one wired Remote Room Sensor may also be used in the same zone. The

wired Remote Room Sensor has priority over the Smart Sensor; the

Smart Sensor will display the wired Remote Room Sensor temperature,

when used.

NOTE: Smart Sensors must be addressed to identify which zone it will

control. See Smart Sensor Installation Instructions for details.

Sensor 1 Sensor 2

Sensor 3 Sensor 4

Damper Control

Module

ZS_

Damper Control

Module

ZS_C

4.4. Wiring Considerations

Ordinary thermostat wire is recommended. See Shielded Wire and

Communication Bus Configuration Section for notes on shielded wire.

Continuous wire lengths over 25 ft. should use 18 AWG wiring.

NOTE: ABCD bus wiring only requires a four-wire connection;

however, it is good practice to run thermostat cable having more than

four wires in the event of a damaged or broken wire during installation.

Each communicating device in the Infinity Zone System has a four-pin

connector labeled ABCD. It is recommended that the following color

code be used when wiring each device:

A — Green = Data A+

B — Yellow = Data B-

C — White = 24VAC (Com)

D — Red = 24VAC (Hot)

A03193

It is not mandatory that the above color code be used, but each ABCD

connector in the system MUST be wired consistently.

NOTE: Some outdoor units, typically those with multiple compressor

stages, provide their own low-voltage power source and do not require

ABCD

the “C” (24VAC common) and “D” (24VAC power) connections. See the

outdoor unit installation instructions for more information.

4.4.1. Shielded Wire and Communication Bus

Configuration

If the thermostat wiring will be located near or in parallel with high

voltage wiring, radio, TV or Ethernet wiring, then four conductor,

twisted-pair, shielded cable can be used to reduce or eliminate potential

interference. The shield wire should be connected to the C terminal, or

ground, AT THE INDOOR UNIT, ONLY. The shield wire should NOT

be connected to any terminal at the Infinity System Control. Connecting

the shield to ground at both ends can cause current loops in the shield,

reducing shield effectiveness.

Connect one pair of the two-pair (minimum) cable to the A and B

communication terminals, and another pair to the C and D terminals at

both ends of the cable. The shield wire should ONLY be connected at the

indoor equipment ground or C terminal. Note that some outdoor units

only require the A and B connections. See the outdoor unit installation

instructions for more information.

”Daisy chain” wiring, where each communicating component is wired

one after another, rather than all components connecting a in “star”

WARNING

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal injury or death.

Before installing, modifying, or servicing system, the main electrical

disconnect switch must be in the OFF position. There may be more than

one disconnect switch. Lock out and tag switch with a suitable warning

label.

fashion to one point, is preferred. For wiring runs over 100 feet,

terminating with a 100 ohm resistor at each end of the chain can help to

avoid or mitigate electrical noise problems.

4.4.2. Damper Control Module (zoning systems

only)

When used, all wiring is run back to the Infinity System Damper Control

Module (SYSTXCC4ZC01). Select a location near the furnace or fan coil

where wiring from the control, each Remote Room Sensor or Smart

(Zone) Sensor, each damper actuator, and the equipment itself can come

together easily. The Damper Control Module is approved for indoor use

only and should never be installed with any of its components exposed to

the elements. The Damper Control Module (and zone dampers) may be

installed in any area where the temperature remains between -4°F to

158°F (-20°C to 70°C), and there is no condensation. The cover must be

installed to prevent damage from other sources. Do not locate where it

will be accessible to children. It may be mounted in either vertical or

horizontal position. Remember that wiring access is likely the most

important consideration.

CAUTION

PERSONAL INJURY HAZARD

Failure to follow this caution may result in personal injury.

To prevent possible damage to the Damper Control Module, DO

NOT mount on plenum, ductwork, or flush against furnace or

fan coil.

4.5. Decorative Trim Plate

Sold separately, a thin decorative trim plate is available to hide any

marks/screw holes left from the previous thermostat. The trim plate is

captured between the backplate and the system control. Align the trim

plate around the backplate, and snap on the system control.

NOTE: Once the Infinity System Control is secured to wall with the

backplate assembly (snapped together), care must be taken not to bend or

break the interlocking tabs when removing.

4.5.1. Mounting

First become familiar with all plastic assembly pieces shown on the

following page. The Infinity System Control will snap together with the

standard backplate supplied with the wall control. Attach backplate using

only a small hole in the wall allowing a four wire connection to pass

through. Mount the front assembly to the standard backplate. The figure

below shows the optional decorative trim plate, described in the

Decorative Trim Plate Section, installed with the standard backplate. The

decorative trim plate is captured between the backplate and the system

control. Align the decorative trim plate around the backplate, and snap on

the system control.

A170245C

4.5.2. System Control Mounting

• Turn off all power to equipment.

• If an existing Infinity Control or other control is being replaced:

– Remove existing control from wall.

– Disconnect wires from existing control.

– Discard or recycle old control.

NOTE: Mercury is a hazardous waste, if existing control contains any

mercury, it MUST be disposed of properly. The Infinity Control does not

contain mercury.

• Select the appropriate Infinity System Control mounting

configuration. Use the standard backplate (mounting plate) provided

with the wall control, or add the decorative trim plate in addition to the

standard backplate if desired. See the Decorative Trim Plate Section

for more detail.

• Route wires through large hole in mounting plastic. The hole may be

enlarged, if required, to accommodate existing installations; avoid

opening the wire hole more than necessary. Level backplate against

wall (for aesthetic value only; the Infinity System Control need not be

level to operate properly) and mark wall through two mounting holes.

• Drill two 3/16-in (4.8 mm) mounting holes in wall where marked.

• Secure mounting plastic to wall using two screws and anchors

provided.

• Adjust length and routing of each wire to reach each wire entry on the

connector backplate. Strip 1/4-in (6.4 mm) of insulation from each

wire.

• Match and connect thermostat wires to proper terminals on control

backplate. See wiring diagrams in the Wiring Diagrams Section.

• Push any excess wire into the wall. Seal hole in wall to prevent any air

leaks. Air leaking from behind the wall can affect measured

temperature and humidity, and can affect operation.

• Attach Infinity System Control to the mounting plastic by lining up

the plastic guides on the back of the control with the opening on the

mounting plastic and push on.

• Perform installation of all other system equipment (i.e. dampers,

humidifier, ventilator, UV lights, etc.). See the equipment and device

installation instructions for details.

• Turn on power to equipment.

4.6. Humidifier Connections

A 24VAC bypass or fan powered humidifier may be installed.

NOTE: Do NOT use a traditional humidistat to control humidifier

operation. If a humidifier is installed, let the Infinity System Control

operate humidifier.

4.6.1. Bypass Humidifier

A bypass humidifier should be wired directly to the furnace or fan coil

HUM and 24VAC COM terminals. The Infinity System Control will

automatically energize the HUM output during a call for humidification.

4.6.2. Fan Powered Humidifiers

Most fan powered humidifiers produce internal 24VAC in order to

energize upon a switch or contact closure. For this application, a 24VAC

N.O. Isolation Relay (DPST) MUST be used to prevent mixing the

internal humidifier power with the indoor equipment transformer.

Applying 24VAC isolation relay coil to furnace or fan coil HUM and

COM terminals will allow the Infinity System Control to automatically

energize the HUM output during a call for humidification. The N.O. relay

contacts will be used to energize the humidifier. See Fan Powered

Humidifier installation instructions for more details.

4.7. Ventilator Connections

A 120VAC ERV (Energy Recovery Ventilator) or HRV (Heat Recovery

Ventilation) may be installed with a translator board (SYSTXXXTRB01)

and either a NIM or a Zone board. It maintains a consistent indoor

temperature and circulating fresh air throughout your home. The BGRY

wires are connected to the respective BGRY of the zone board.

4.7.1. Energy Recovery Ventilator

Energy Recovery Ventilator (ERV) are ideal for warmer climates.

NOTE: ERVXXNVA provides limited features due to its simplified

control design.

4.7.2. Heat Recovery Ventilator

Heat recovery ventilator (HRV) are ideal for northern climates with a

longer cold-weather season, where excess moisture can be a problem.

5. Commissioning

This section addresses initial power up (or commissioning) of a new

Infinity System Control. The control will communicate and identify all

components in the Infinity System. The following is a typical example

for a communicating variable-speed furnace / fan coil with a 2-stage

air-conditioner / heat pump (including HYBRID HEAT® dual fuel

system). The process may vary for other types of systems. See the

Infinity System HVAC equipment Installation Instructions for more

details, as provided.

5.1. Searching for Indoor Unit

The Infinity System Control will light up and display the Carrier logo and

then begin the commissioning process by displaying “Searching for

indoor unit”.

NOTE: If the Infinity System-compatible indoor equipment (package

unit indoor section, gas furnace or fan coil) cannot be found, the control

will display “Indoor unit not found”. This MUST be corrected before the

initial power up sequence can continue, proceeding to the next section,

“Searching for outdoor unit.” If it is not corrected, the Infinity System

Control will go into its DEMO operating mode. If a control is operating

in Demo mode and you wish to install it with equipment, navigate to the

Installer menu and perform a re-install to re-learn the equipment.

TIP: Troubleshoot ABCD communication bus problems by removing all

but the indoor unit and system control from the ABCD bus circuit. As

each bus segment is verified, connect the next component and continue to

troubleshoot as required.

5.2. Searching for Outdoor Unit

The Infinity System Control will then proceed to communicate with the

outdoor unit by displaying “Searching for outdoor unit”. This includes

Infinity small packaged products (SPP) and Infinity System geothermal

units.

NOTE: If the outdoor unit cannot be found, the control will display

“Outdoor unit not found”.

• Select the appropriate unit installed; then, touch NEXT.

NOTE: For some communicating products (SPP and geothermal

package units), the selection screen may not be needed and may not

appear.

• The installer will first be instructed to select the appropriate size of the

outdoor unit; then, touch SELECT.

A13118

5.3. Indoor Evaporator Selection

If a furnace is installed with a variable capacity heat pump or an 18VS

heat pump or 19VS air conditioner, a screen will appear to select the

installed indoor evaporator coil. This selection is used to adequately

calculate the refrigerant charge required while in the heat pump charging

screens under Refrigerant Charging Greenspeed® Intelligence 18VS,

19VS Systems Section. Select “other” for non-Carrier evaporators.

AC1Stage — 1-stage air conditioner

AC2Stage —

*. Network Interference Module (NIM) may be required for these

selections to be displayed.

2-stage air conditioner

HP1Stage —

1-stage heat pump

HP2Stage —

2-stage heat pump

None — No outdoor unit installed

5.4. Electric Heater Selection

If the indoor equipment is a fan coil, the control will display “Searching

for heater” until one is found. If the electric heater is not self-identifying,

the select heater screen will appear. Touch the appropriate heater size;

then, touch SELECT.

A13119

5.4.1. Hydronic Heat Application

The Infinity System Control supports two types of Hydronic Heat

applications:

1. Hot water coil in combination with an FE fan coil and heat pump,

or hot water coil as sole heat source with an FE fan coil.

2. Non-zoned FE fan coil combined with radiant hot water heat.

In either application, a Hydronic Heat kit should be installed in place of

an electric heater. See FE fan coil Product Data for accessory part

number. The system will self-identify that hydronic heat has been

installed during electric heater selection. The system will treat the hot

water coil as either auxiliary heat in a heat pump application, or the sole

heat source. Setup options for Hydronic Heat applications are described

in the setup section of this instruction.

NOTE: The daily airflow verification test will take place even when the

radiant hydronic heat option is selected.

5.5. Searching for SAM Module (If Applicable)

“Searching for SAM Module” will appear on the screen to determine if a

System Access Module, used for home automation only, is connected to

the system.

The SYSTXCCSAM01 is not compatible with this control. The

compatible modules are SYSTXNNRCT01. The SAM is used for home

automation purposes and is NOT used to connect the system control to

the Internet. The Infinity System Control must have at least Version 8

software or newer to be compatible with the SAM.

NOTE: For more information regarding the SAM Module, reference the

latest version of the application specification entitled “SAM Remote

Access Application Specification, ASCII Protocol Information”,

available on HVACpartners.com, or the System Access Module

Installation Instructions.

A13117

5.6. Searching for Zones (If Applicable)

“Zoning - Searching” will appear on the screen to determine if any zones

are present. The screen will show Zone 1, Zone 2, etc. and indicate all

zones having either a Remote Room Sensor, or smart sensors associated

with them. If the system contains smart sensors, they must be assigned a

zone number before continuing. See the Smart Sensor Installation

Instructions on how to assign Smart Sensors to their respective zones.

After each zone has been identified, touch NEXT.

A12185

5.7. Filter Type Selection

The installer will next be prompted to select the air filter type installed

with the Infinity System. After the selection is made, touch NEXT.

• Air Filter: 1-in. to 4-in. media filter

• EAC: high voltage electronic air cleaner

• Air Purifier: Infinity® Series or Performance™ Series Air Purifier

5.8. Humidifier Installation

Next, the installer will be prompted to select whether a humidifier is

installed in the system. Select YES or NO, then touch NEXT.

5.9. Ultraviolet Lights Installation

Next, the installer will be prompted to select whether ultraviolet lights

are installed in the system. Select YES or NO, then touch NEXT.

5.10. Equipment Summary

The equipment summary screen will appear after accessories have been

selected. This screen will give a summary of all equipment automatically

found or manually selected. If an incorrect selection was made, touch

RE-INSTALL to restart the installation process. See the Infinity System

HVAC equipment Installation Instructions for more details, as provided.

A13120

5.11. Airflow Verification Check

The airflow verification check screen will appear next, as the system

performs this operation. This process will take about 1-1/2 minutes to

complete. When completed, a screen will appear displaying the results of

the check.

If the system has an indoor unit equipped with a previous-version

CFM-controlled blower system the screen will display the static pressure

(in inches of water) across the equipment at the expected highest

delivered airflow. If the blower RPM is greater than 1200, a warning will

appear, but equipment operation and the TrueSense™ dirty filter

detection operation will not be affected. Press NEXT when the airflow

verification check is complete.

If the system has an indoor unit equipped with an updated-version

CFM-controlled blower system (typically found in equipment

manufactured after November 2017), the screen will display the static

pressure (in inches) across the equipment at a pre-determined target

airflow CFM. If the achieved (actual) CFM is unacceptably below the

target CFM, a yellow notice will appear to invite the user to see the

Example: SPP Equipment Summary Screen

associated information screen; equipment operation and the TrueSense™

dirty filter detection operation will not be affected. Press NEXT when the

airflow verification check is complete.

NOTE: The airflow verification check occurs at initial installation, or

when FULL INSTALLATION or AIRFLOW VERIFICATION

TEST are selected in the INSTALLATION & SERVICE menu.

5.12. Duct Assessment (zoned systems only)

The duct assessment screen will be displayed next for zoned systems.

Touch NEXT to start Duct Assessment. Duct Assessment will measure

the relative size of the ductwork, up to and through the dampers. These

measurements are used to control the correct amount of airflow in the

zoned system. Status messages will appear on the screen to indicate what

the system is doing. The process will take approximately two minutes per

zone. The duct assessment will override a call for heat or cool.

A duct assessment will automatically occur each day at a user selectable

time. The factory default time is 1:00 p.m. local time but, may be

changed by entering the Zoning Setup menu. If there is an active call for

heating or cooling, the system will wait until the call is satisfied before it

performs the duct assessment. The system will first open all zones and

drive the blower to 175 CFM/ton of cooling (or the minimum indoor

unit’s airflow, whichever is greater). It will then take a static pressure

measurement. The system will then close all zones and open one zone at

a time, taking a static pressure measurement for each zone.

The system will then close all zones and take a pressure measurement,

getting a value for the duct leakage up to and through the dampers. With

these static pressure measurements, the system will calculate the relative

size of each zone as well as the percent leakage through the dampers at

the end of the process, the display will show the relative size of each zone

duct.

If the Infinity System Control detects an error (damper not moving or

damper wired backwards), it will perform the duct assessment again. If it

still detects a damper problem, it will default the measurements into

equal sizes, with 10% leakage, and display the zone number for the

suspected zone damper.

NOTE: The daily duct assessment will occur even if static pressure

monitoring is disabled. This is done to ensure that the system will

continue to provide proper airflow for all installed equipment, since duct

system changes may occur at any time, such as opened or closed

registers.

After the duct assessment is complete, touch NEXT.

6. Service Menu

The Service menus contain a set of vital information. This information

enables the installer or service person to view a summary of what has

been installed, etc. This information is not covered in the Owner’s

Manual.

To enter service menus, touch menu, then touch and hold the SERVICE

icon, for at least ten seconds, until the icon turns green. The following

screens are available in installation and service. To return to the previous

screen, touch BACK. To exit the Service menus, touch DONE.

NOTE: See the Owner’s Manual for information regarding software

upgrades.

NOTE: The user “selection of temperature units” affects the user screens

only. The service screens use degree F only. The user “selection of

temperature units” is under the display icon on the main menu.

A170181C

6.1. Equipment Summary

Touch EQUIPMENT SUMMARY to show indoor unit type and model

number, outdoor unit type (and model number if a 2-stage unit), filter

type, any accessories that are installed, and the number of zones in the

system. To return to the previous screen, touch BACK. To exit the

Service menus, touch DONE.

6.2. Installation

Touch INSTALLATION to perform the start-up process in order to learn

all equipment in system. Select FULL INSTALLATION, then touch

NEXT to initiate the process.

Touch Airflow Verification Test to perform a duct assessment. This can

be done if duct modifications have been made since installation of the

Infinity System Control. Duct assessment can be performed without

performing a full system install.

NOTE: For Small Packaged Products (SPP), please use the following

instructions for Set-up (Set-Up Section), Checkout (Checkout Section),

and Service (Service Information Section):

– For PAC AC Indoor and OAC HP Indoor, follow Fan Coil

instructions.

– For Gas PAC Indoor and Gas PHP Indoor, follow Furnace

instructions.

– For all PAC Outdoor, follow AC/Heat Pump instructions.

6.3. Set up

A13130

NOTE: Depending upon the equipment installed, the following options

will be displayed. See the Infinity System HVAC equipment Installation

Instructions for more details, as provided.

• Indoor:

– Furnace

– Fan coil

– PAC AC Indoor

– PAC HP Indoor

– GAS PAC Indoor

– GAS PHP Indoor

• Outdoor:

– AC/Heat pump

• Geo HP

• PAC AC outdoor

• PAC HP outdoor

• GAS PAC outdoor

• GAS PHP outdoor

Once the equipment has been selected, the appropriate menus will be

displayed.

6.3.1. Thermostat

First touch SETUP, then touch THERMOSTAT to set up the parameters

for the Infinity System Control.

6.3.1.1. Auto Mode Set Up

Once the auto changeover option has been selected, touch SAVE.

• Enable or Disable: Choose to enable or disable auto changeover

mode. Default = Enable

• Simultaneous Heat/Cool: Choose to turn simultaneous heat cool

demand feature on or off. Default = Off

• If Simultaneous Heat/Cool is turned ON, Auto changeover time is

grayed out and shows N/A.

• If Simultaneous Heat/Cool is turned OFF, Auto changeover time:

Adjustable from 5 to 120 minutes. Default = 30 minutes

NOTE: AUTO mode is intended to switch between Heating and Cooling

modes based on temperature demand. A gradual auto transition is the

energy-conscious default that will satisfy the majority of customers.

Some customers might have significant and simultaneous heating and

cooling demands in different zones. To address this need, a special

simultaneous heating and cooling demand auto mode could be enabled

by the Installer. The simultaneous heating and cooling demand auto

mode will result in higher energy usage but benefit the customer with

greater comfort.

A160183_2

6.3.1.2. Heat/Cool Deadband

The minimum difference enforced between heating and cooling desired

temperatures. The deadband does not change when the user changes

between Fahrenheit (°F) and Celsius (°C). Ex: A 2° deadband will be 2°F

or 2°C and does not change with units, °F and °C. This can allow one

setting to “push” the other to maintain this difference. When the correct

deadband is set, touch SAVE.

• Deadband: Adjustable from 0 to 6°. Default = 2°

6.3.1.3. Offsets

This option allows calibration (or deliberate miscalibration) of the

temperature and humidity sensors. These offsets are added to the actual

temperature/humidity values. See also Zone Offsets Section. When the

correct offsets are made, touch SAVE. If the system is non-zoned, the

indoor temperature offset is found on this screen. If the system is zoned,

the indoor temperature offset is found in the Zoning, Offsets screen.

• Outdoor temperature: Adjustable from -5 to 5°F (-3 to 3°C).

Default = 0°F

• Indoor temperature: Adjustable from -5 to 5°F (-3 to 3°C).

Default = 0°F

• Humidity: Adjustable from -10 – 10%. Default = 0%

NOTE: For single-zone systems, the indoor temperature offset is on this

screen. For zoning systems, there is a separate zone indoor temperature

offset screen in the zoning menu.

A190275

6.3.1.4. Reset Factory Defaults

This option allows the installer to reset certain factory parameters. After

the selections are made, touch SAVE.

• Program Schedule: Reset back to pre-programmed time and

temperature.

• User Settings: Reset user settings back to pre-programmed values.

• Install Settings: Reset installation settings back to pre-programmed

values.

• Last 10 Events: Reset the last 10 system events under the Service

menu.

A190397

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6.3.1.5. Scheduling On/Off

This option lets the installer allow comfort schedule programming

features. After the selection is made, touch SAVE.

• Scheduling: On or Off. Default = On

6.3.1.6. Smart Recovery On/Off

NOTE: ”Smart Recovery” refers to transitions between and among the

Home, Sleep and Wake modes. Moving from the Away mode to any

other mode is covered by the “Advanced Smart Setback” feature.

Smart Recovery applies to programmable operation only. Smart

Recovery causes the system to ramp the system target setpoints to those

for the next programmed schedule period to help save energy during

period transitions. Smart Recovery will start recovery 90 minutes prior to

schedule change in both heating and cooling mode. After the selection is

made, touch SAVE.

• Smart Recovery: On or Off. Default = On

NOTE: The “Temperature Units Display” set-up section has been moved

to the Homeowner Screens. See the Owner’s Manual for more

information.

6.3.2. Fan Coil

First touch SETUP, then touch FAN COIL to set up the parameters for

the fan coil unit.

6.3.2.1. Airflow

This option allows the installer to select the appropriate air flow based on

the needs of the installation. The QUIET airflow means the minimum

cooling airflow that the system can safely run (typically 300 CFM/ton).

Use this setting if duct noise is a severe problem. Note that duct sweating

in high humidity environments could become an issue at low airflows.

The COMFORT airflow means airflow is varied depending on humidity

and temperature demand settings. This selection enables the full

dehumidify and comfort capabilities of the system. The EFF325 airflow

is a fixed airflow used to achieve specified ratings – no dehumidification

airflow reduction is performed. This is nominally 325 CFM/ton, but will

vary if a 2-stage outdoor unit is used. The EFF350 airflow is a fixed

airflow used to achieve specified ratings – no dehumidification airflow

reduction is performed. This is nominally 350 CFM/ton, but will vary if a

2-stage outdoor unit is used. The MAX airflow is a fixed 400 CFM/ton.

No dehumidification airflow reduction is performed.

NOTE: For Geothermal Heat Pumps, the airflow labels have been

changed from EFF325 and EFF350 to EFF1 and EFF2, respectively.

Nominal geothermal system airflows for these settings tend to be

different than the typical 325 and 350 CFM/ton values.

The dehumidify airflow, when set to NORMAL, is allowed to adjust to a

minimum to satisfy the dehumidification call. When set to HIGH, the

minimum airflow during the dehumidify mode is increased to reduce

duct and register sweating. Also the airflow increases minimum airflow

during normal cooling operation to help reduce duct sweating.

After the selections are made, touch SAVE.

• Cooling Airflow: Quiet, Comfort, EFF325 (or EFF1), EFF350 (or

EFF2), or Max. Default = Comfort

• Heating Airflow: Comfort, EFF325 (or EFF1), EFF350 (or EFF2), or

Max. Default = Comfort

• Dehumidify Airflow: Normal or High. Default = Normal

6.3.2.2. Altitude

• Static Pressure selection: 0 to 10,000 ft. This is used to correct the

static pressure readings the system performs.

6.3.2.3. Dehumidification Options

The Dehum Drain Time (Smart Evap™ feature) option turns off the

continuous fan at the end of cooling for fifteen minutes in order to drain

the indoor coil of water. The fan will only be turned off if a dehumidify

demand existed at the start of or during the cooling cycle.

The Electric Reheat option (fan coils, only) enables the electric heat to be

used while cool-to-dehumidify is running. This will allow the

cool-to-dehumidify function to run longer, greatly improving humidity

control in cooling mode. Accumulated electrical energy used while

reheating (in kilowatt-hours) is shown on the Fan Coil Run Hours screen

and can be reset there. This option is only available with fan coil systems.

Self-identifying (staging) heaters provide the best performance for

re-heat dehumidification. For reheat applications, 9kW heaters provide

the best performance. The reheat algorithm functions along with the

overcool algorithm. If the room temperature is low enough that

overcooling is not allowed, reheat will not be allowed. Overcooling must

happen before the electric heaters are energized.

After the selections are made, touch SAVE.

• Dehum Drain Time: Adjustable from 5 to 60 minutes or OFF. Default

= 15 minutes

• Electric Reheat: Yes or No. Default = No

6.3.2.4. Fan Coil G-Terminal Input

This setup option selects desired operation when the R to G contact is

closed on the fan coil control board. Under this function option, fan turns

on fan to selected fan speed when G terminal is energized. Use the alert

function to select the contact state for an alert. Select Normally Open or

Normally Closed, and then save your selection. Shutdown shuts off fan

and equipment when initiated. After the selections are made, touch Save.

• Shutdown:

– Normally Open

– Normally Closed

– The shutdown function may not be immediate. Blower off delays,

etc., will still be used. The shutdown is not intended for commercial

applications. If immediate shutdown is required, provision must be

made to remove power to indoor unit.

A13229

6.3.2.5. Fan Coil G-Terminal Alert

Use the alert function to select the contact state for an alert. Select

Normally Open or Normally Closed, and then save your selection.

A13230

Shutdown: This setup option selects the change of state required for

shutdown. Select Normally Open or Normally Closed, and then save

your selection.

6.3.2.6. Fan Coil G Terminal Alert Label

Once the G Terminal Alert label has been entered, it is shown both on the

main screen and in the notification email when the alert becomes active.

A14224

6.3.3. Furnace

First touch SETUP, then touch FURNACE to set up the parameters for

the furnace unit.

A14225A_2

6.3.3.1. Furnace Airflow

Selects the airflow of the furnace when heating. EFFICIENCY is the

airflow used to meet specified ratings, COMFORT is a decreased

airflow used to increase the output air temperature and provide increased

comfort.

For the Low heat rise option, set to ON if the system contains a bypass

humidifier. The ON setting will increase the furnace low heat airflow.

After the selections are made, touch SAVE.

• Furnace Air Flow: Comfort or Efficiency. Default = Comfort

• Low Heat Rise: On or Off. Default = Off

6.3.3.2. AC/HP Airflow

NOTE: For Geothermal Heat Pumps, this option will be shown as ’Geo

HP’ airflow. This option elects the airflow of the furnace when cooling,

heat pump heating, and dehumidification when used with a geothermal

heat pump.

The QUIET airflow means the minimum cooling airflow that the system

can safely run (typically 300 CFM/ton). Use this setting if duct noise is a

severe problem.

NOTE: Duct sweating in high humidity environments could become an

issue at low airflows.

The COMFORT airflow means airflow is varied depending on humidity

and temperature demand settings. This selection enables the full

dehumidify and comfort capabilities of the system. The EFF325 (or

EFF1) airflow is a fixed airflow used to achieve specified ratings – no

dehumidification airflow reduction is performed. This is nominally 325

CFM/ton, but will vary if a 2-stage outdoor unit is used. The EFF350 (or

EFF2 airflow is a fixed airflow used to achieve specified ratings – no

dehumidification airflow reduction is performed. This is nominally 350

CFM/ton, but will vary if a 2-stage outdoor unit is used. The MAX

airflow is a fixed 400 CFM/ton. No dehumidification airflow reduction is

performed.

NOTE: For Geothermal Heat Pumps, the airflow labels have been

changed from EFF325 and EFF350 to EFF1 and EFF2, respectively.

Nominal geothermal system airflows for these settings tend to be

different than the typical 325 and 350 CFM/ton values.

The dehumidify airflow, when set to NORMAL, the airflow is allowed

to adjust to a minimum to satisfy the dehumidification call. When set to

HIGH, the minimum airflow during the dehumidify mode is increased to

reduce duct and register sweating. Also the airflow increases minimum

airflow during normal cooling operation to help reduce duct sweating.

After the selections are made, touch SAVE.

• Cool: Quiet, Comfort, EFF325 (or EFF1), EFF350 (or EFF2), or Max.

Default = Comfort

• HP Heat: Comfort, EFF325 (or EFF1), EFF350 (or EFF2), or Max.

Default = Comfort

• Dehumidify: Normal or High. Default = Normal

6.3.3.3. Furnace Staging

This option controls the staging of the furnace and selects the minimum

amount of time low stage must operate before high stage is activated.

SYSTEM setting will allow the Infinity Zone Control to determine

furnace staging. LOW will only run the low stage of furnace heat.

LOW-MED will run the low and medium stages (2 stages of heat). MED

will only run the medium stage of heat. MED-HIGH will run the

medium and high stages (2 stages of heat). HIGH will only run the high

stage of furnace heat.

NOTE: Two-stage furnace has LOW and HIGH selections only.

• Stages: System, Low, Low-Med, Med, Med-High, or High. Default =

System

6.3.3.4. Furnace Airflow Limits (modulating furnace

only)

The following settings allow the installer to restrict the furnace within

certain minimum and maximum airflows. These airflows are converted

to capacities. The Min and Max limits are determined by the equipment

size. These settings are not the same as the zoning airflow limits.

• Min. modulating limits: Minimum CFM to run a modulating furnace.

This will increase the minimum operating capacity of the furnace.

Default value is the furnace air flow for the lowest heat capacity.

• Max. modulating limits: Maximum CFM to run a modulating

furnace. This will increase the maximum operating capacity of the

furnace. Default value is the furnace air flow for the highest heat

capacity

6.3.3.5. Furnace Off Delay

This option denotes the amount of time the blower will continue to run

after heating has shut off. After the selection is made, touch SAVE.

• Furnace Off Delay: 90, 120, 150 or 180 seconds. Default = 120

seconds

6.3.3.6. Altitude

For gas de-rating, this setting will adjust the furnace’s airflow to

compensate for altitude. Altitude adjustment is not available with older

furnaces. Please see furnace instructions for further details. After the

selection is made, touch SAVE.

• Altitude: 0000 – 2000, US 2001 – 3000, CN 2100 – 4500, US 3001 –

4000, US 4001 – 5000, US 5001 6000, US 6001 – 7000, US 7001 –

8000, US 8001 – 9000, and US > 9000. Default = US 2001-3000

• Static Pressure selection: 0 to 10,000 ft. This value is used to correct

the static pressure readings the system performs.

6.3.3.7. Furnace Dehumidifier Drain

This option selects the time the continuous fan turns off at the end of

cooling in order to drain the indoor coil of water (Smart Evapt feature).

The fan will only be turned off if a dehumidify demand existed at the

start of or during the cooling cycle.

• Dehumidify Drain Time: Adjustable from 5 to 60 minutes. Default =

15 minutes

6.3.3.8. Furnace G Terminal

This setup option selects desired operation when the R-G circuit changes

state on the furnace control board depending on setup.

Under the function option, FAN turns on fan to selected fan speed when

G terminal is energized. SHUTDOWN shuts off fan and equipment

when initiated.

After the selections are made, touch SAVE.

• Function: Disabled, Fan or Shutdown. Default = Disabled

• Fan Speed: Low, Med, or High. Default = Low

• Shutdown:

– Normally Open

– Normally Closed

– The shutdown function may not be immediate. Blower off delays,

etc., will still be used. The shutdown is not intended for commercial

applications. If immediate shutdown is required, provision must be

made to remove power to indoor unit.

6.3.3.9. Furnace G-Terminal Alert

Use the alert function to select the contact state for an alert. Select

Normally Open or Normally Closed, and then save your selection.

A13230

Shutdown: This setup option selects the change of state required for

shutdown. Select Normally Open or Normally Closed, and then save

your selection.

6.3.3.10. Furnace G Terminal Alert Label

Once the G Terminal Alert label has been entered, it is shown both on the

main screen and in the notification email when the alert becomes active.

A170248

6.3.4. AC/Heat Pump

First touch SETUP, then touch AC/HEAT PUMP to set up the

parameters for the AC/Heat Pump unit.

A14227A_2

6.3.4.1. Latching

High Cool Latch

A13227A

• System in Control: The system will decide which stage should be

running to satisfy the cooling demand.

• High Cool: Temperature above which only the high stage of cooling

will be energized.

• Only Low Cool: The system will only run in low stage cooling.

High Heat Latch

A13228

• System in Control: The system will decide which stage should be

running to satisfy the heating demand.

• High Heat: Temperature below which only the high stage of heating

will be energized.

• Only Low Heat: The system will only run in low stage heating.

6.3.4.2. Cooling Lockout

Outside temperature below which cooling will not be provided. After the

selection is made, touch SAVE.

• Cooling Lockout Temp: None, 45, 50 or 55 (°F). Default = None

NOTE: When simultaneous heating and cooling demand feature is on,

the cooling lockout shall be ignored.

6.3.4.3. Defrost Interval

Time interval at which defrost cycles can occur on a heat pump. AUTO

means the defrost interval is optimized by the outdoor control. After the

selection is made, touch SAVE.

• Set Defrost Interval: 30, 60, 90, 120 minutes or AUTO. Default =

AUTO

NOTE: See Heat Pump Installation Instructions for Defrost Timing

Interval when using AUTO Defrost.

6.3.4.4. Low Ambient Cooling

Selecting YES will enable the low ambient cooling operation in the

outdoor unit. This setting is only available with compatible

communicating outdoor units and with Cooling Lockout set to NONE.

Low ambient kits are not needed with many communicating outdoor

units. Refer to the outdoor unit Product Data or Installation Instructions

for more information. After the selection is made, touch SAVE.

• Low Ambient Cooling: Yes or No. Default = No

6.3.4.5. Quiet Shift

This option turns on Quiet Shift function in 1-stage or 2-stage

communicating heat pumps. After the selection is made, touch SAVE.

NOTE: This option is not available with variable speed heat pumps nor

geothermal units.

• Quiet Shift: On or Off. Default = Off

6.3.4.6. AC/Heat Pump RPM Max

Used with variable capacity heat pumps, this option clamps the

operating speed of the heat pump to this maximum. Used to reduce

operating noise while in high heating capacity. Reducing this value will

reduce the heating capacity of the heat pump. After the selection is made,

touch SAVE.

• AC Heat Pump Max RPM: Adjustable from 4500 – 7000. Default =

7000 RPM

6.3.4.7. Defrost Fan Delay

Turns on the outdoor unit fan at the end of a defrost cycle for

approximately 12 seconds. This helps to reduce any nuisance refrigerant

noise caused by the switching reversing valve. This setup is only

available on communicating heat pumps. After the selection is made,

touch SAVE.

• Defrost Fan Delay: Yes or No. Default = No

6.3.4.8. Brownout Disable

This option turns off the high voltage brownout detection function in the

outdoor unit control. After the selection is made, touch SAVE.

• Brownout Disable: On or Off. Default = Off

6.3.4.9. Low Air Multiplier

Adjusts the airflow speed on non-communicating two-stage units.

Choose 0.65 for units with a Bristol compressor, choose 0.80 (default) for

units with a Copeland scroll compressor.

6.3.4.10. Energy Efficiency

This option is used to input the published ratings of the installed air

conditioner or heat pump as part of the energy tracking calculation. After

the ratings are entered, touch SAVE.

6.3.5. Heat Source Lockout

First touch SETUP, then touch HEAT SOURCE LOCKOUTS to set up

the parameters for the AC/Heat Pump unit.

For hydronic heat applications, this option allows the installer to set the

lockout temperatures below which only the hydronic coil will operate,

and the lockout temperature above which the hydronic coil will not

operate. After the selections are made, touch SAVE.

A12149

• HP Lockout: Adjustable from -20 to 55°F (-28 to 13°C) or None.

Default = None

• Furnace, Electric Heat or Hydronic Lockout: Adjustable from 15 to

55°F (-9 to 13°C) or None. Default = None

• Defrost with Furnace, Electric Heat or Hydronic: Yes or No.

Default = Yes

– For Geothermal units, lockout for auxiliary heat (furnace or electric

resistance) is not enabled.

NOTE: When simultaneous heating and cooling demand feature is ON,

the system will try to respect the settings for heat source but may override

the settings if the preferred heat source is unable to deliver heat.

6.3.6. Stages / Latch for 18VS

For 18VS heat pumps, the cooling and heating stage/latch can be

changed. Select cooling or heating next to stages/latch. The maximum

stage and the minimum stage can be selected. The minimum selected

stage can be locked-in or set based upon the outside temperature.

A14228A

6.3.7. Geothermal HP (when available)

First touch SETUP, then touch Geo HP to set up the parameters for the

Geo HP unit.

A160188C

6.3.7.1. Freeze Limits

This setting controls the temperature level to which the loop liquid can

drop before the Geo HP unit will stop operating. See the Geo HP

Installation Instructions for more details. Typically, 26°F is chosen for

open-loop systems using untreated water; and 15°F is chosen for

closed-loop systems using glycol or other anti-freeze solutions. After the

selection is made, touch SAVE.

• Freeze Limits: 26°F or 15°F. Default = 26°F

A150179

6.3.7.2. Lockout Count

This setting controls the number of times within an hour that the HPS or

LPS trips before the Geo HP compressor will lockout for four hours.

After the selection is made, touch SAVE.

• Lockout Count: 4 or 2

• Default = 2

A150180

6.3.7.3. Brownout Override

This option controls the low voltage brownout override function in the

Geo HP unit. After the selection is made, touch SAVE.

• Brownout Override: Active or Inactive. Default = Inactive

A150181

6.3.7.4. Geothermal HP Energy Tracking

Energy tracking for geothermal heat pumps requires the installation of an

Entering Water Temperature (EWT) sensor. See the geothermal heat

pump literature for information on installing this sensor.

If the EWT sensor is installed, the installer will be able to enter the Loop

Flow Rate and the Loop Pump power. See the figure in the Geothermal

HP Section. These inputs will help the Energy Tracking algorithm

properly calculate geothermal heat pump usage. See the geothermal heat

pump literature for details.

If the EWT error message is shown, as illustrated in the Geothermal HP

Section, that means that the EWT sensor was installed and had valid

readings at one time, but is now malfunctioning. See the geothermal heat

pump literature for details.

6.3.8. Zoning (If Applicable)

First touch SETUP, then touch ZONING to set up the parameters for the

zoning system (if applicable).

A12191

6.3.8.1. Disable Zoning

This option allows the installer to enable or disable zoning. After the

selection is made, touch SAVE.

• Disable Zoning: Yes or No. Default = No

6.3.8.2. Zone Offsets

This option allows actual temperature offset for each zone, allowing

calibration (or deliberate miscalibration) of each sensor. Use the Left (<)

or Right (>) buttons to change the zone. After the selection is made,

touch SAVE.

• Temperature Offset: Adjustable between -5 to 5°F (-3 to 3°C).

Default = 0°F

6.3.8.3. Airflow Limits

Since a bypass damper is prohibited in this system, this setting is used to

select the maximum allowable noise/airflow relationship into each zone

based on air noise and comfort requirements. LOW means 100% of

maximum assessed airflow; MED-LOW means 138% of maximum

assessed airflow; MEDIUM means 176% of maximum assessed airflow;

MED-HIGH means 214% of maximum assessed airflow; HIGH means

250% of maximum assessed airflow; and NO LIMIT means the

equipment does not stage down due to airflow, but the system may stage

down due to high static pressure.

CFM associated for each limit is shown on the screen. Compare this

value with the equipment’s low stage CFM value to ensure that

equipment will run for each zone. Assessed airflow is determined as

described in DUCT ASSESSMENT.

After the selections are made, touch SAVE.

• Touch the zone name that you wish to change

• Select the zone to adjust airflow: Low, Med-Low, Medium,

Med-High, High, or No Limit. Default = High

6.3.8.4. Duct Assessment Time

NOTE: The daily duct assessment will occur even if static pressure

monitoring is disabled. This is done to ensure that the system will

continue to provide proper airflow for all installed equipment, since duct

system changes may occur at any time, such as opened or closed

registers.

This option allows the installer to select the time in which the duct

assessment will be performed. After the selection is made, touch SAVE.

• Duct Assessment Time: Selectable between 12 AM and 11PM.

Default = 1 PM

6.3.9. Accessories

First touch SETUP, then touch ACCESSORIES to set up the parameters

for the accessories installed with the system.

6.3.9.1. Filter

NOTE: The daily duct assessment will occur even if static pressure

monitoring is disabled. This is done to ensure that the system will

continue to provide proper airflow for all installed equipment, since duct

system changes may occur at any time, such as opened or closed

registers.

With this option, the installer has the option of selecting pressure

monitoring, the type of filter installed, and the time interval for cleaning.

After the selections are made, touch SAVE.

• Pressure Monitoring (not available or effective with air cleaners that

do not use filter media, such as Electric Air Cleaners): Enable or

Disable. Default = Enable

• Clean Interval: Selectable from 1 to 18 months. Default = 3 months

• Filter Type: Air Filter, Electric Air Cleaner or Air Purifier. Filter type

is selected during installation; otherwise default = air filter

6.3.9.2. Humidifier

With this option, the installer has the option of selecting whether a

humidifier is installed, to humidify with the fan in low speed, and the

time interval for changing the humidifier pad. After the selections are

made, touch SAVE.

• Humidifier Installed: Yes or No. Humidifier selection made during

installation; otherwise default = No

• Change Pad: Selectable from 1 to 24 months. Default = 12 months

• Humidify with Fan: Yes or No. Default = No

6.3.9.3. Ultraviolet Lights

With this option, the installer has the option of selecting whether

ultraviolet lights are installed, and the time interval for changing the

ultraviolet lights. After the selections are made, touch SAVE.

• UV Lights Installed: Yes or No. UV Lights selection made during

installation; otherwise default = No

• Change Interval: Selectable from 1 to 48 months. Default = 12

months

6.3.9.4. Ventilator

When a ventilator is installed, the installer has the option of selecting the

time interval for cleaning the ventilator. After the selections are made,

touch SAVE.

• Clean Interval: Selectable from 60, 90, 120, 150 or 180 days. Default

= 90 days

NOTE: This option may NOT be available with the ERVXXNVA

ventilator due to its simplified control design.

6.3.10. Utility Curtailment

NOTE: Utility Curtailment and Utility Saver functions are different than

the Utility Demand Response function described in the Owner’s Manual.

Utility Curtailment/Utility Saver uses the UTIL and Y2 (or equivalent)

terminals on the Infinity System compressor section control board to

receive a dry contact relay signal from the Utility, typically from the

electric meter assembly, to signal a curtailment period. This section

describes the actions taken in response to that signal. See the equipment

installation instructions for more information on wiring the compressor

section control board to the Utility connections.

Utility Saver is used to force the equipment to a lower stage (low or off)

when activated by the utility company, typically during peak load times.

This setup is available only if the equipment has a utility saver input

(refer to outdoor equipment installation instructions). This setup controls

the response of the equipment when the utility saver input is active.

DISABLED means that the curtailment function is not active. TURN

OFF means the outdoor unit is to be turned off when the curtailment

function is active. LOW STAGE means the outdoor unit will run in lows

stage when the curtailment function is active. After the selections are

made, touch SAVE.

A12193

• Cooling: Disabled, Low Stage or Turn off. Default = Disabled

• Heat Pump: Disabled, Low Stage or Turn off. Default = Disabled

6.3.11. Hydronic Airflow

NOTE: The daily duct assessment will occur even if Hydronic Airflow is

set to Off. This is done to ensure that the system will continue to provide

proper airflow for all installed equipment, since duct system changes

may occur at any time, such as opened or closed registers.

This option allows the installer to select the airflow for the fan coil when

paired with a hydronic coil. After the selections are made, touch SAVE.

A12194

• Airflow: Selectable between Off to Max in 50 CFM increments.

Default = Off, 500 CFM, Max = (odu_size in KBTU * 400/12)

NOTE: Selected airflow used during hydronic heating is a fixed value, it

does not vary.

• Blower On Delay: Selectable from 0 to 240 seconds. Default = 30

seconds

• Blower Off Delay: Selectable from 0 to 240 seconds. Default = 0

seconds

6.4. Check out

Touch CHECKOUT to view the equipment installed in the system.

Perform checkout test to make sure each piece of equipment is operating

properly.

WARNING

PROPERTY DAMAGE AND/OR PERSONAL INJURY

HAZARD

Failure to follow this warning could result in property damage, personal

injury or death.

Before running Check Out mode, make sure that all HVAC equipment is

properly installed. See the equipment installation instructions for details

and additional safety information.

A13122A

6.4.1. Electric Heat

If you have a fan coil with electric heaters, this menu item will allow the

heaters to be exercised. With self-identifying electric heaters, three stages

of electric heat are available to be exercised in any combination.

Non-identifying heaters will only provide one stage of heat; or perhaps

may have fixed-timed staging. See the instructions provided with the

electric heat accessory. After the selections are made, touch START.

• Low Heat: Selectable from 0 to 120 minutes. Default = 5 minutes

• Medium Heat: Selectable from 0 to 120 minutes. Default = 5 minutes

• High Heat: Selectable from 0 to 120 minutes. Default = 5 minutes

6.4.2. Furnace

Make sure the furnace is properly installed.

This option allows the furnace to be exercised. First, a low heat run time

and high heat run time are selected. The furnace will execute its ignition

start-up sequence. This sequence will be displayed on the screen. After

the gas valve and blower motor turn on, the screen will show the current

operating status of the furnace. After the selections are made, touch

START.

• Low Heat: Selectable from 0 to 120 minutes. Default = 5 minutes

• High Heat: Selectable from 0 to 120 minutes. Default = 5 minutes

6.4.3. Hydronic

This option allows the hydronic heat relay to be exercised. First, it will

energize the relay and turns on the blower. This sequence will be

displayed on the screen. After the selections are made, touch START.

• Hydronic heater check: Selectable from 0 to 120 minutes. Default =

5 minutes

6.4.4. Air Conditioning

This option allows the air conditioner to be exercised. With a 2-stage AC

unit, a low cool and a high cool run time are independently selectable to

exercise. The display will change to show the AC operating status. After

the selections are made, touch START.

For 18VS heat pumps, you can select the stage at which the heat pump

will exercise. During the checkout, the stage and time can be changed by

pressing the Change button on the checkout status screen.

NOTE: Airflows during Checkout modes are fixed to the

EFFICIENCY setting and are independent of other airflow settings. To

view airflows for normal air conditioning cooling mode, exit the

CHECKOUT screen and apply a heating demand to the system.

• Low Cool Run Time: Selectable from 0 to 120 minutes. Default = 5

minutes

• High Cool Run Time: Selectable from 0 to 120 minutes. Default = 5

minutes

6.4.5. Heat Pump Heating

The heat pump heating mode can be exercised with this menu option.

With a 2-stage heat pump, a Low Heat and a High Heat Run Time are

independently selectable to exercise.

For variable speed heat pumps, you can select the speed at which the heat

pump will exercise.

For VS heat pumps, you can select the stage at which the heat pump will

exercise. During the checkout, the stage and time can be changed by

pressing the Change button on the checkout status screen.

After the selections are made, touch START.

NOTE: Airflows during Checkout modes are fixed to the EFFICIENCY

setting and are independent of other airflow settings. To view airflows for

normal air conditioning cooling mode, exit the CHECKOUT screen and

apply a heating demand to the system.

• Low Heat Run Time: Selectable from 0 to 120 minutes. Default = 5

minutes

• High Heat Run Time: Selectable from 0 to 120 minutes. Default = 5

minutes

• Speed (variable speed heat pump only): Selectable from lowest

available to 100%. Default = lowest available as specified by variable

speed heat pump

• Defrost: Yes or No. Default = No (For Geothermal Heat Pumps, this

option is not available.)

6.4.6. Heat Pump Cooling

The heat pump cooling mode can be exercised with this menu option.

With a 2-stage heat pump, a Low Cool Run Time and a High Cool Run

Time are independently selectable to exercise.

For variable speed heat pumps, you can select the speed at which the heat

pump will exercise.

For 18VS heat pumps, you can select the stage at which the heat pump

will exercise. During the checkout, the stage and time can be changed by

pressing the Change button on the checkout status screen.

After the selections are made, touch START.

NOTE: Airflows during Checkout modes are fixed to the

EFFICIENCY setting and are independent of other airflow settings. To

view airflows for normal air conditioning cooling mode, exit the

CHECKOUT screen and apply a heating demand to the system.

• Low Cool Run Time: Selectable from 0 to 120 minutes. Default = 5

minutes

• High Cool Run Time: Selectable from 0 to 120 minutes. Default = 5

minutes

• Speed (variable speed heat pump only): Selectable from lowest

available to 100%. Default = lowest available as specified by variable

speed heat pump

6.4.7. Humidifier

The humidifier can be exercised On and Off with this menu option. To

end the humidifier checkout, touch STOP.

• Humidifier Check: On or Off

6.4.8. Ventilator

The ventilator can be exercised through all of its operating speeds with

this menu option. To end the ventilator checkout, touch STOP.

• Ventilator Check: High, Low or Off

NOTE: This option may NOT be available with the ERVXXNVA

ventilator due to its simplified control design.

6.4.9. Zoning (If Applicable)

6.4.9.1. Airflow Limits

Because there is no bypass damper, the zone airflow limit check will

allow the installer to assess the airflow noise generated by the system

providing the maximum amount of airflow to each zone. Touch

AIRFLOW LIMITS: When START is touched, the selected zone’s

damper will fully open, all others will close, and the indoor unit will

provide the maximum airflow for that zone (as selected in SETUP —

ZONING, Airflow Limits). If the airflow noise is objectionable, the

installer can select a lower airflow noise limit. If the noise is not

objectionable, the installer should leave HIGH selected, or even NO

LIMIT.

NOTE: Selecting a lower airflow noise limit may decrease the

homeowner’s comfort in that zone.

Touch the Left (<) or Right (>) buttons to change the desired zones. Once

the proper airflow limits are set, touch SAVE, to see ZONING

CHECKOUT menu.

6.4.9.2. Damper/Sensor Check

The Sensor/Damper Check allows the installer to check each zone

damper for operation, as well as insure the zone sensor corresponds to

that particular zone. When first initiated, the Zone 1 damper will fully

open, and all other zones will close. Using the Left (<) or Right (>)

buttons, the installer can select each zone and verify the damper is fully

open while all other dampers remain closed.

After proper damper operation has been verified, the installer can now

check and verify that each Remote Room Sensor corresponds to the

proper zone damper in the same zone. For systems with remote room

sensor, temporarily disconnect any other zone Remote Room Sensor (at

sensor location). That zone damper will now open, while the Zone 1

damper will close.

For systems using Smart Sensors, the installer may press and hold the

Hold and Mode buttons simultaneously for 3 seconds to change the zone

under test. This should be done with each zone to verify that the zone

sensor corresponds to that particular zone.

Once each zone has been checked, touch DONE to return to the

ZONING CHECKOUT menu.

6.4.9.3. Zone Duct Assessment

This screen shows the results from the previous duct assessment. The

duct assessment is performed at initial start-up and at 1 P.M. or the

installer selected time each day. If another duct assessment is desired, the

service technician should perform a re-install of the system.

NOTE: A Duct Assessment will automatically occur every 24 hours at

selected time to check system static and calibrate dampers.

Once the duct assessment is complete, touch DONE to return to the

ZONING CHECKOUT menu.

6.4.9.4. Sensor Type

This option shows a list of all zones with corresponding sensor types.

6.5. Service Information

The Service Info menu will only show the equipment installed in the

system. To enter this menu of options, touch SERVICE

INFORMATION.

A13123A

6.5.1. Advanced Diagnostics

When viewing the Service Information screen, there is a button labeled

View Diagnostics, which provides the top 3 most likely root causes for

the most recent fault.

NOTE: This feature is only available with compatible models. See the

Infinity equipment product data or installation instructions for more

information.

6.5.2. Fan Coil Status

The fan coil status screen displays relevant information about the fan coil

operation. To return to the previous screen, touch BACK. To exit the

Service menus, touch DONE.

A12197

6.5.3. Furnace Status

The furnace status screen displays relevant information about the furnace

operation. To return to the previous screen, touch BACK. To exit the

Service menus, touch DONE.

A12198

6.5.4. AC Status

The AC status screen displays relevant information about the AC

operation. To return to the previous screen, touch BACK. To exit the

Service menus, touch DONE.

NOTE: Screen data will vary based on unit installed.

A12199

6.5.5. Heat Pump Status

The heat pump status screen displays relevant information about the heat

pump operation. To return to the previous screen, touch BACK. To exit

the Service menus, touch DONE.

NOTE: Screen data will vary based on unit installed.

A12200

6.5.6. Geothermal HP Status

The Geo HP status screen displays relevant information about the Geo

HP operation. To return to the previous screen, touch BACK. To exit the

Service menu, touch DONE.

NOTE: Screen data will vary based on unit installed.

A160192

6.5.7. Zoning Status

The zoning status screen displays relevant information about the zoning

operation. To return to the previous screen, touch BACK. To exit the

Service menus, touch DONE.

6.5.8. Last 10 System Events

This screen will show the last 10 events that occurred throughout the

system. Each entry has the time and date incident recorded. These events

are stored in the memory of the control and are resettable in the

THERMOSTAT SETUP screen under the RESET FACTORY

DEFAULT selection. Each entry shows the equipment that generated the

event. To return to the previous screen, touch BACK. To exit the Service

menus, touch DONE.

A12151

6.5.9. Run/Fault History

This information is stored in the equipment circuit boards (if

communicating) and displayed on the control. The indoor unit and

outdoor unit (if communicating) have the following histories. To return to

the previous screen, touch BACK. To exit the Service menus, touch

DONE.

• Resettable Faults: Fault counters for each piece of equipment that can

be reset.

• Cycle Counters: Number of heat/cool/power cycles the unit has

performed.

• Run Times: Lifetime hours of operation in heating, cooling, and how

long the unit has been powered.

6.5.10. Model/Serial Numbers

This menu item allows the installer to view the model number, serial

number (if available), and control software version (if available) of all

communicating pieces of equipment in the system, including the wall

control. This information resides in the original equipment circuit

board(s) from the factory. If an equipment circuit board has been

replaced, the model and serial number will no longer be displayed. To

return to the previous screen, touch BACK. To exit the Service menus,

touch DONE.

A14230

6.5.11. Service Phone Number

This menu item allows the installer to view the name and phone number

that the homeowner can call for future service of the system. This name

and phone number will appear to the homeowner whenever a service

reminder pop-up message is displayed (i.e. Change Filter, etc.). The

contact number can be changed under the dealer system menu. To return

to the previous screen, touch BACK. To exit, touch DONE.

6.5.12. Energy Tracking

NOTE: Energy Tracking is only available for applicable equipment. See

The Product Data for the equipment in question to see if Energy Tracking

is available for that device. Both indoor and outdoor units must have

energy tracking capability for this feature to function fully.

This menu item allows the installer to view the energy usage of each

piece of equipment connected to the system. To return to the previous

screen, touch BACK. To exit the Service menus, touch DONE.

A14231

6.6. Refrigerant Charging: Greenspeed®

Intelligence, 18VS™, 19VS™ Systems

For variable capacity and multi-stage heat pumps and AC units, a

refrigerant charging menu is available to aid in the proper charging of the

system. Enter the menu from the service screens by touching

REFRIGERANT CHARGING.

The option for HTG CHECK CHARGE is only available for heat pump

units, and not available in AC units.

NOTE: See the outdoor equipment Installation Instructions for

information on what conditions CHARGING COOLING and HTG

CHECK CHARGE are available.

6.6.1. Charging

Within the CHARGING COOLING or HTG CHECK screens, the

installer will have the ability to enter the LINESET length and the

VAPOR LINE diameter. After the selections are made, touch NEXT.

• Lineset: Selectable from 5 to 200 feet

NOTE: For 18/19 VS product, 100 feet is the maximum allowed

refrigerant line length.

• Vapor line: Selectable with various diameters by using the up and

down buttons

Next, the installer will enter the WEIGH IN screen to verify the current

total charge is accurate. Once the installer has confirmed, touch DONE.

Next, the installer will enter the SERVICE VALVE SUBCOOL screen.

This screen will show the current liquid line subcool target (in °F). To

begin the charging, touch START. If the outdoor temperatures are not in

the required range, Service Valve Subcool may not be available. For

HTG CHECK CHARGE, the option Service Valve Subcool is

unavailable.

Next, the installer will enter the SERVICE VALVE INFORMATION

screen. The current liquid line subcool target, stabilization time, mode

and speed in rpm, EXV position in percent, indoor airflow in CFM,

outdoor coil temperature in °F, indoor temperature in °F, outdoor

temperature in °F, compressor discharge pressure in psig, and

accumulator suction pressure in psig are displayed on this screen. Once

the stabilization time has expired, touch DONE.

NOTE: Screen data will vary based on unit installed.

A14286A_2

A14664a

6.6.2. Pump Down

Because this system has an inverter controlled compressor, suction

pressure transducer and EXV, conventional procedure cannot be used to

“pump down” and isolate the refrigerant into the outdoor unit. The

control has provisions to assist in performing this function.

• Select mode to pump down in (COOL or HEAT). COOL mode

allows refrigerant to be isolated in outdoor unit. HEAT mode allows

the refrigerant to be isolated in indoor coil and lineset. Set desired time

period. Default time period for procedure is 120 minutes.

• Touch START to begin the pump down process. Unit will begin

running in selected mode after a brief delay.

6.6.3. Evacuation

Because this system has an EXV for the heating expansion device,

additional steps must be taken to open the EXV if the heat pump unit

must be evacuated for service reasons. If the EXV is not open when

pulling a vacuum or recovering refrigerant from the heat pump unit,

extended evacuation time may be required and/or inadequate vacuum

obtained. The control has provisions to open the EXV for refrigerant

recovery and/or evacuation.

• Set desired time period. Default time period for procedure is 120

minutes.

• Touch START on Infinity System Control or service tool to open the

valve.

• Begin evacuation or refrigerant recovery as required for the procedure

after control indicates the EXV is open. Power may be removed from

heat pump after the control indicates “READY TO EVACUATE.”

6.6.4. EXV Position

This screen allows the installer to set the EXV position and monitor the

suction pressure.

NOTE: Screen data will vary based on unit installed.

A14233

6.7. Dealer Logo for Series B

NOTE: More detailed information can be found on HVACPartners.com

under: Products and Dashboards > Product Catalog > Residential

Controls < Systems Controls > SYSTXCCITC01-C > Documents >

Marketing > Miscellaneous > Infinity SystemControl Dealer Logo

Application - Instructions.

Touch DEALER LOGO to upload the dealer logo and contact

information from a micro SD card connected to the Infinity System

Control. The “Dealer Logo Application” PC/MAC Desktop application

download available at www.MyInfinityTouch.Carrier.com is required to

properly format the dealer logo and contact information for use on the

wall control.

Along with the dealer logo (if any), three lines of dealer information are

provided on the wall control:

Dealer name (50 characters, max)

Dealer phone number (20 characters, max)

Dealer URL (50 characters, max)

The wall control dealer information display is 30 characters wide. Dealer

names and URLs over 30 characters will be split into two lines on the

display.

The PC/MAC Desktop application to format the dealer logo and contact

information can be found at:

www.MyInfinityTouch.Carrier.com

Download the program and follow the program instructions.

Once the dealer logo and contact information have been properly loaded

onto the micro SD card, insert the micro SD card into the bottom edge of

the Infinity System Control. The control will prompt you whether or not

to upload the dealer logo. Once complete, you will receive a confirmation

that your upload was successful. If the information was not stored

properly on the micro SD card, you will receive an error message that the

dealer logo was not found. Refer back to the PC/MAC Desktop

application instructions and try again. Once the upload is complete, touch

NEXT.

If you have problems, contact your distributor service manager for

support.

A170253

6.8. Utility Event Setup

The utility event setup is used to enable utility events if the home owner

is participating in a utility event program. Selecting ON will enable the

utility event icon on the main menu.

NOTE: See the Owner’s Manual for additional details regarding the

setup and configuration of the Utility Event feature.

7. Wireless Set-up

The Infinity System Control supports simultaneous connections to home

Wi-Fi® networks. If the in-home Wi-Fi network is found to be

incompatible with these models, another 2.4 GHz band wireless router

can be installed to establish Wi-Fi network connectivity.

Please call 1-800-Carrier for support network with Wi-Fi network set-up

and connection to the MyInfinity Server.

The ability to remotely access and adjust the settings of the Infinity

System Control with the Carrier® Home mobile application is dependent

on the compatibility of the user’s mobile device, the Infinity System

Control, and/or the MyInfinity web server with, and the availability of

the user’s mobile device carrier service. Carrier Corporation makes no

representations or warranties, expressed or implied, including to the

extent permitted by applicable law, any implied warranty of

merchantability or fitness for a particular purpose or use, about the

compatibility of the user’s mobile device, with the Infinity System

Control, and/or the MyInfinity web server, with, and the availability of,

the user’s mobile device carrier service, or that the ability to remotely

access and adjust the settings of the Infinity System Control will not be

negatively affected by the network-related modifications, upgrades, or

similar activity of the user’s Internet service provider or mobile device

carrier service.

NOTE: See the Owner’s Manual for information regarding software

upgrades.

7.1. Setup and Status Information (Homeowner’s

Router)

To establish Wi-Fi® connectivity to the Infinity System Control using the

in-home router or wireless access point, the wireless access point SSID

and password/passkey must be known for set-up.

A170241C

• Select WIRELESS from the menu screen.

• Make sure the Wi-Fi connection is enabled, by touching ENABLED.

• Touch SETUP A WI-FI CONNECTION to begin the process.

• Next, touch SCAN FOR AVAILABLE ACCESS POINTS.

A13235

• On the next screen look for the SSID of the router. After being

selected, it will be outlined in faint blue and indicated by a check

mark. Then select NEXT.

A150175

• The selected network will show. Choose an appropriate Wi-Fi network

security mode. Usually auto-detect will correctly identify the type of

security mode used. If the network has no security it will show as on

the left, but a secured network will prompt for the Wi-Fi security key.

A13237

• If a Wi-Fi network security key is shown as on the right hand picture

above then select the white bar and enter the security key, then select

NEXT.

• Touch in the security key area, and the keyboard will appear.

– Use the on screen keyboard to enter the Wi-Fi network security key,

then touch NEXT.

• The control will inform you if the connection is successful. If so,

touch DONE.

– If the connection is unsuccessful, verify that the proper information

has been entered before you touch RETRY. The control will go

through the process again.

A13238

• After the control has connected to the network, go to

www.MyInfinityTouch.Carrier.com to register the unit or you can use

the Carrier® Home mobile app to begin remote access. This requires

the MAC address and serial number of the Infinity System Control. If

using the Carrier® Home mobile app you can just scan the QR Code

on the wall control and it will fill in the control information. To find

the serial number and MAC address on the Infinity System Control,

click on Menu, Down Arrow, Wireless and View MyInfinity

Registration Info. This screen will provide the information needed on

the MyInfinity website during registration or you can select the QR

code for use with the Carrier® Home mobile app.

A170285C

• If you have any issues, please contact your servicing dealer or contact

the support desk at 1-800-Carrier.

• When the connection to the MyInfinity web server has been

established, the status screen will show Connected for both Wi-Fi and

the server.

A13242C

A180093

Connected:

Not Connected:

8. Wiring Diagrams

A160107

Universal Four-Wire Connection

User Interface

Green - Data A

Yellow - Data B

White - COM

Red - 24VAC

OAT

Optional Remote

Room Sensor

HUM

COM

24V

Humidifier

Connection

ABCD

Connections

Communicating

AC, HP or GHP*

Green

Yellow

White

Red

OAT

Sensor

(Optional)

Variable-Speed

Furnace/ Fan Coil

127(6RPHRXWGRRUXQLWVGRQRWUHTXLUHWKHk&lDQGk'lFRQQHFWLRQV

6HHRXWGRRUXQLW,QVWDOODWLRQ,QVWUXFWLRQV

127()RU633SURGXFWV$%&'FRQQHFWLRQEHWZHHQ,QGRRUDQG2XWGRRU

 FRQWUROERDUGVDUHSUHZLUHGDWWKHIDFWRU\

127()RUQHZ633LQVWDOODWLRQVLQZKLFKWKH2$76HQVRULVUHTXLUHG

SOHDVHUHIHUWRWKH633,QVWDOODWLRQ,QVWUXFWLRQV

A12354

Connection Diagram for Furnace or FE Fan Coil

with

1-Stage Air Conditioning

ABCD

Connection

User Interface

1-Spd.

Non-Communicating

Green - Data A

Yellow - Data B

White - COM

Red - 24VAC

Optional Remote

Room Sensor

HUM

COM

24V

Humidifier

Connection

Y/Y2

OAT

Sensor

Variable-Speed

Furnace/Fan Coil

A12355

Connection Diagram for FE Fan Coil with

Non-communication

1-Stage Heat Pump

ABCD

Connection

User Interface

1-Spd.

Non-communicating

Green - Data A

Yellow - Data B

White - COM

Red - 24VAC

Optional Remote

Room Sensor

HUM

Humidifier

Connection

OAT

Sensor

Variable-Speed

Fan Coil

A04018

Zoning Connection for Communicating Indoor

Unit with

2-Stage Communicating Outdoor Unit

NOTE: Some outdoor units do not require “C” and “D” connections.

Please see outdoor unit Installation Instructions.

Zone Control

User Interface &

Smart Sensor(s)

Green

Yellow

White

Red

OAT

HUM

COM

24V

Humidifier

Connection

OAT

Sensor

(Optional)

A B C D A B C D

Damper

Control

module

A B C D

Indoor

Unit

Communicating

AC or HP

A04019

Zoning Connection Diagram for Furnace or FE

Fan Coil with

Non-Communicating 1-Stage Air Conditioning

Zone Control

User Interface &

Smart Sensor(s)

Green

Yellow

White

Red

OAT

HUM

COM

24V

Humidifier

Connection

OAT

Sensor

A B C D A B C D

Damper

Control

module

A B C D

Indoor

Unit

1-Stage AC.

Y/Y2

A07149

Zoning Connection Diagram for FE Fan Coil with

Non-communicating 1-Stage Heat Pump

Zone Control

User Interface &

Smart Sensor(s)

Green

Yellow

White

Red

A B C D A B C D

Damper

Control

module

A B C D

Variable-Speed

Fan Coil

1-Spd. HP

HUM

OAT

Sensor

Humidifier

Connection

Zoning Connection Diagram for FE

OVR

LED

12V

D-

D+

GND

12V

D-

D+

GND

FUSE

YellowGreen

New ERV / HRV

Models

Translator Board

Furnace

System Wall

Control

Network Interface Module

(NIM)

A200528

Ventilator (HRV / ERV) Connection

A210310

Infinity® System

Control

HRV Product

Network Interface

Module

SYSTXCCNIM01

Translator Board

SYSTXXXTRB01

SYSTXCCITC01-B

SYSTXCCITC01-C

SYSTXCCWIC01-B

SYSTXCCICF01-B

SYSTXCCWIF01-B

HRVXXSVA1130 Required Required

HRVXXSHA1130 Required Required

HRVXXSVA1160 Required Required

HRVXXSHA1160 Required Required

HRVXXSVB1160 Required Required

HRVXXSHB1160 Required Required

HRVCRLHB1250 Required Not Required

Infinity® System

Control

ERV Product

Network Interface

Module

SYSTXCCNIM01

Translator Board

SYSTXXXTRB01

SYSTXCCITC01-B

SYSTXCCITC01-C

SYSTXCCWIC01-B

SYSTXCCICF01-B

SYSTXCCWIF01-B

ERVXXSVA1130 Required Required

ERVXXSHA1130 Required Required

ERVXXSVB1145 Required Required

ERVXXSHB1145 Required Required

ERVXXSVA1150 Required Required

ERVXXSHA1150 Required Required

ERVCRLHB1200 Required Not Required

A160170

NIM Chart

A160171

Wiring Diagram Single-Stage

Non-Communicating Heat Pump NIM

A160172

Wiring Diagram Two-Stage Non-Communicating

Heat Pump NIM

A07114

G Input Wiring for Blower Operation

FE Fan Coil or

Variable Speed Furnace

A07115

G Input Wiring for System Shutdown

9. Statement Information

This device complies with Part 15 of the FCC Rules. Operation is subject

to the following two conditions: (1) This device may not cause harmful

interference, and (2) This device must accept any interference received,

including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party

responsible for compliance could void the user’s authority to operate the

equipment.

9.1. FCC Interference Statement

This equipment has been tested and found to comply with the limits for a

Class B digital device, pursuant to part 15 of the FCC Rules. These limits

FE Fan Coil or

Variable Speed Furnace

are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates, uses

and can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will

not occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is encouraged

to try to correct the interference by one or more of the following

measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

To comply with FCC/IC RF exposure limits for general population /

uncontrolled exposure, the antenna(s) used for this transmitter must be

installed to provide a separation distance of at least 20 cm from all

persons and must not be co-located or operating in conjunction with any

other antenna or transmitter.

Pour se conformer aux limites d’exposition RF FCC et IC pour la

population générale / l’exposition incontrôlée, l’antenne utilisée pour cet

émetteur doit être installée pour assurer une distance de séparation d’au

moins 20 cm de toutes les personnes et fonctionnant conjointement avec

toute autre antenne ou émetteur.

This Device complies with Industry Canada License-exempt RSS

standard(s). Operation is subject to the following two conditions: 1) this

device may not cause interference, and 2) this device must accept any

interference, including interference that may cause undesired operation

of the device.

Cet appareil est conforme avec Industrie Canada, exempts de licence

standard RSS (s). Son fonctionnement est soumis aux deux conditions

suivantes: 1) ce dispositif ne peut pas causer d’interférences, et 2) ce

dispositif doit accepter toute interférence, y compris les interférences qui

peuvent causer un mauvais fonctionnement de l’appareil.

Infinity®, True Sense, Smart Evap, and HYBRID HEAT® are trademarks or

registered trademarks of Carrier Corporation in the United States and other

countries. Other brands and product names are trademarks of their respective

holders.

Wi-Fi® is a registered trademark of Wi-Fi Alliance Corporation.

Amazon Alexa is a trademark of Amazon, Inc. or its affiliates.

The Bluetooth word mark and logos are owned by Bluetooth SIG, Inc.

Catalog No: SYSTXCCITC-12SI 997-017060-12-R

Edition Date: 05/22 Replaces: SYSTXCCITC-11SI

Manufacturer reserves the right to change, at any time, specifications and designs

without notice and without obligations.