Rheem Comfort Control2 Installer's Manual

INSTALLER GUIDE

Comfort Control

featuring

2

HD Thermostat

Serial Communications

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS

CAREFULLY BEFORE INSTALLING OR OPERATING THIS
CONTROL AND SYSTEM COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.

INTRODUCTION TO THERMOSTAT AND COMMUNICATING
SYSTEM

This is the dealer installation and start-up instruction guide for the
Comfort Control2 HD Communicating Thermostat. It features a flexible
programming sequence for residential applications. It is designed to
control components of a 24 VAC residential ClimateTalk

TM

communicating
system consisting of gas or electric heat, heat pump, and central air
conditioning applications. The high-resolution color display offers easy
readability, intuitive programming with individual touch buttons to the
right of the screen, on-screen prompting, pop-up message alerts to
change filter, or regular servicing check-ups, and an exchangeable
faceplate. The thermostat has a USB port for contractor setup.

The thermostat’s major features include 40

o

1

resolution, 3.5-inch diagonal ¼ VGA LCD, auto configure, auto-

o

to 99oF setpoint range,

changeover, selectable continuous fan speeds, humidity control,
dehumidification control, dual fuel control, advanced diagnostics and
fault code display, advanced installer menu, simultaneous heat and
cool program storage, a four-step daily schedule sequence, energy
management recovery, filter change-out indicator, replace UV lamp
indicator, change Humidifier pad and program loss start up temperature.

Note: If system power is lost for more than eight hours, the clock will have
to be reset. Programming and configuration settings will be saved.

2  Installer’s Guide

WARNING

Thermostat installation and all

components of the control system shall
conform to Class II circuits per the NEC
code.

WARNING

To prevent electrical shock and/or

equipment damage, disconnect electric
power to system at main fuse or circuit
breaker box until installation is complete.

ATTENTION: MERCURY NOTICE
This product does not contain mercur y,

but it may replace a product that contains
mercury.

Mercury and products containing mercury

must not be discarded in household
trash. Do not touch any spilled mercury.
Wearing non-absorbent gloves, clean
up any spilled mercury and place it in a
sealed container. For proper disposal of
a product containing mercury or a sealed
container of spilled mercury, place it in a
suitable shipping container.

On the Internet, visit www.white-rodgers.

com for a location where the product
containing mercury can be sent.

Table of Contents

Installation ......................................................................................................... 4

Wiring Requirements .................................................................................... 4

Quick Installation Steps ................................................................................ 5

Installing Thermostat..................................................................................... 5

Initial Power Up ............................................................................................. 7

Check System Operation .............................................................................. 9

Thermostat Overview ....................................................................................... 11

Thermostat Setup ............................................................................................. 13

Set Current Time and Day ............................................................................ 13

Choose the System Setting .......................................................................... 14

Energy Saving Factory Pre-Program ............................................................ 14

Advanced Installer Menu ................................................................................. 15

Equipment User Menus .................................................................................... 20

Furnace User Menus .................................................................................... 22

Air Handler User Menus ............................................................................... 28

Heat Pump User Menus ............................................................................... 31

Air Conditioner User Menus .......................................................................... 35

System Fault Codes ......................................................................................... 38

Installer’s Guide  3

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Installation

Installation

This booklet contains installation instruction and information on the

thermostat only. Separate installation instructions for the furnace or air

handler and outdoor AC condensing unit or heat pump are provided.

Thermostat

Overview

This thermostat is designed exclusively for the ClimateTalk

communicating system.

TM

Wiring Requirements

Each communicating device in the system has a four wire connection labelled (R, C,
1, 2). Each R, C, 1, and 2 terminals must be wired consistently. Maximum length from

Thermostat

Setup

the thermostat to the indoor unit is 100 feet. Maximum length from the indoor unit to the
outdoor unit is 125 feet.

Touchscreen Indoor

R

Advanced

Installer Menu

C

1

2

4  Installer’s Guide

Equipment

User Menus

24VAC (Hot)

24VAC

(Common)

Data 1

Data 2

R

C

1

2

Outdoor

R

C

1

2

Quick Installation Steps

Determine location of thermostat installation.
 Mount thermostat base to wall.
 Connect wires to thermostat base.
 Attach thermostat to base.
 Turn on power to system. Allow approximately 1 minute for the system to configure.
 Set the time
 Select advanced installer menu settings or use USB upload feature to install

Thermostat Configuration information

 Perform thermostat/system operation checkout.
 Program thermostat or accept factory programming.
 Touch to run schedule.

Installing thermostat

 Carefully separate the thermostat body from the thermostat base.
 Place base at installation location and mark mounting hole locations on wall using

base as a template.

 Move base out of the way. Drill mounting holes.
 Attach base snugly to wall using two mounting screws. Levelling is for appearance

only and will not affect thermostat operation.

Installer’s Guide  5

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

 Connect wires to terminal block on base.
 Push excess wire into wall and plug hole with a fire resistant material (such as

fiberglass insulation) to prevent drafts from affecting thermostat operation.

Installation

 Carefully line up the thermostat with the base and snap into place.

Removable Faceplate

The silver faceplate on the thermostat can
be removed and replaced with the white

Thermostat

Overview

faceplate included. To change the faceplate:

 Remove faceplate by gently pulling on

the tabs behind the lower edge of the
faceplate. Lift faceplate off of thermostat.

 Position faceplate on top edge of

Thermostat

Setup

thermostat.
Press on bottom of faceplate to snap faceplate
back into position.

Advanced

Installer Menu

6  Installer’s Guide

Equipment

User Menus

Tabs

Initial Power Up

Turn on AC power to the system. The thermostat will
automatically identify the communicating equipment
installed and configure for the equipment as required.

Messages at Thermostat

As equipment is found on the network, the display will
show, “device” Found. The Searching icon will show until
all equipment is found and configured. If no equipment is
found on the network after approximately five minutes, the
home screen will appear and indicate a Fault.

If the indoor unit is not detected by the network, “Check
System Fault” will be found.

Check system wiring if one of these faults occur.

Installer’s Guide  7

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

The display will change to Start-up, Hold screen showing
the actual temperature, SYSTEM position (HEAT)
mode, FAN setting (AUTO), HOLD AT with the setpoint

Installation

temperature 62 for heat or 85 for cool and real time clock
(hour, minute, AM or PM, day).

Communications Systems

Thermostat

Overview

The ClimateTalk

TM

protocol will set the identification of the individual nodes connected
to the thermostat. The Network Device display will appear during initial power up and
when a new device is found on the network.

Thermostat

Setup

Advanced

Installer Menu

8  Installer’s Guide

Equipment

User Menus

Check System Operation

Heating System (Heat Pump only/Furnace only/Dual Fuel)

1. Press SYSTEM button until Heat is displayed.

2. Press
system should begin to operate and the display will indicate Heat On.

3. If the heating system has additional stages, adjust the thermostat setting to 3°F
(2°C) or more above the actual temperature. The next heat stage will energize.

Note: To check heat pump systems, it is better to use Equipment Heat Pump User

Menu, Heat Setup to disable heat pump staging. Also, set Aux Lockout Temperature
so indoor heat is not disabled. Be sure to enable heat pump staging and set Aux
Lockout Temperature after checking system.

4. Press
should stop operating.

to adjust thermostat setting 1° above room temperature. The heating

to adjust thermostat setting below room temperature. The heating system

Installation

Thermostat

Overview

Thermostat

Setup

Cooling System

1. Press SYSTEM button until COOL is displayed.

2. Press
should begin to operate and the display will indicate Cool On.

3. If the cooling system has additional stages, adjust the temperature to 3°F (2°C) or
more below the actual. The second cool stage will energize within 10 seconds.

to adjust thermostat setting below room temperature. The cooling system

Installer’s Guide  9

Advanced

Installer Menu

Equipment

User Menus

4. Press to adjust thermostat setting above room temperature. The cooling system
should stop operating.

Installation

Fan Operation

1. Press FAN button until Fan On is displayed. The fan should begin to operate.

2. Press FAN button to change the display to Fan Auto. The fan should stop operating
as long as there is no call for heat or cool.

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

10  Installer’s Guide

Equipment

User Menus

Thermostat Overview

Navigating through your thermostat menus

Your thermostat features a simplified easy to understand menu structure.

 Press to enter the Main Menu
 Highlight a menu item using the or buttons
 Enter the item by pressing
 Use the or and the or to change menu items and settings

Installation

Thermostat

Overview

Thermostat

Setup

 Press the Home button to display the Home Screen.

 Press the Enter button to save any changes you have

made and display the previous menu item.

 If no button is pressed for two minutes, you will return to the home screen

without saving changes.

Installer’s Guide  11

Advanced

Installer Menu

Equipment

User Menus

Main Menu

Press to enter menu. The Main Menu lists the menus
that access and set thermostat operating options and

Installation

programming. Use or to highlight selection

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

12  Installer’s Guide

Equipment

User Menus

Thermostat Setup

Set the Current Time and Day

 On the Main Menu, select and enter

Clock and Display Settings.

 Select and Enter Time & Date.
 The Hour is selected. Adjust the hour with

or .

 Press to select Minutes, AM/PM,

Month, Day and Year and adjust.

 The thermostat will automatically assign

the correct day of the week after the date
is set.

 Press the Enter button.

Installer’s Guide  13

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Choose the System Setting

 From the Home screen, press the button as shown

to choose the system setting: Heat, EM, Cool, Auto,

Installation

or Off.

Thermostat

Overview

Energy Saving Factory Pre-Program

Your thermostat is programmed from the factory with the energy saving settings shown
below for every day of the week. If this program meets your needs, simply select either

Heat, Cool, or Auto with the System button.

Thermostat

Setup

Heating Program 6:00 AM 70

Cooling Program 6:00 AM 75

Advanced

Installer Menu

If you want to change the heating and/or cooling programs in your thermostat, see
the “Programming Your Thermostat” section in the Homeowner’s Guide.

14  Installer’s Guide

Equipment

User Menus

Factory Pre-Programmed Heating and Cooling Schedule

Wake Up

(Morning)

Leave for Work

(Day)

o

F 8:00 AM 62oF 5:00 PM 70oF 10:00 PM 62oF

o

F 8:00 AM 83oF 5:00 PM 75oF 10:00 PM 78oF

Return Home

(Evening)

Go to Bed

(Night)

Advanced Installer Menu

This menu allows the installer to check installer-specific information or set advanced
settings. It is accessible from the Home screen when the and buttons are pressed
at the same time for three seconds.

Select the items using the
to view information or change settings. Press Enter button to save any changes and
display the previous menu or press Home to display the Home Screen. If 2 minutes
pass without any buttons pressed, the Home Screen will return and changes will not be
saved.

Items on the Advanced Installer Menu are:

Communicating Devices Aux Lockout*
 Fault Status Dual Fuel Setpoint: 5°*
 USB Upload Heat Cycle Rate: Medium
 Thermostat Summary Cool Cycle Rate: Medium
 Heat Pump Disable* Humidity Display Adjust

*Items marked with * may or may not appear in the list depending on the
configuration of the system.

or buttons and press the button to enter the item

Installer’s Guide  15

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Communicating Devices: This menu item will list each piece of system

equipment connected to the ClimateTalk

TM

network. The equipment can be selected

and entered to view identifying information, operating information and setup status as

Installation

described in Equipment User Menus.

Fault Status: This menu item lists current equipment fault conditions. The system

equipment experiencing the Fault will be listed with details of the fault. If no faults are
detected, this screen will show nothing.

Thermostat

Overview

USB Upload: The USB load menu displays a list

of thermostat parameters that can be loaded to the
thermostat from a USB memory device. If the USB
port detects a USB memory device, this menu will
automatically display.

Thermostat

Setup

Contractors should link to www.Rheemote.net and
select: Departments/PTS/Thermostats.

In the USB Upload menu, select the item to upload and press

to mark the item with

a red box. After all items to upload are selected, press the Upload button.

Advanced

Installer Menu

The USB media must have properly formatted information to be recognized by the
thermostat. If the thermostat does not find information, when the Upload button is
pressed, the display will indicate, “Invalid Data Found. Installation Failed!”

16  Installer’s Guide

Equipment

User Menus

Once the Upload button is pressed and the upload is
accomplished, the display will indicate “Successfully
Installed” for 3 seconds then the display will display the
menu or mode prior to entering the USB upload menu.

Installation

Thermostat

Overview

Heat Pump Disable - Available only for heat pump

systems with indoor electric heat. This feature disables
the heat pump and turns on electric heat below the
selected outdoor temperature. The temperature range is

to 50°F.

from 5°

Installer’s Guide  17

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Aux Lockout Temperature - Available

for heat pump systems. This feature disables the indoor
(electric or gas) heat above the selected outdoor

Installation

temperature. The temperature range is from the Heat
Pump Disable setting to 95°F.

Thermostat

Overview

Dual Fuel Setpoint: If the heating system is a heat

pump with gas heat and the outdoor sensor is installed,
the thermostat can monitor outside temperature to
determine when to begin using the gas heat system and
stop the compressor. This temperature is the Dual Fuel
temperature setpoint. The Dual Fuel feature eliminates

Thermostat

Setup

the need for a fossil fuel kit.

The display will indicate 5° (default). The temperature
can be adjusted to a value between 5° to 50°. The
temperature will appear as °F unless °C is selected for temperature display.

As long as the outside temperature is above the Dual Fuel Setpoint, the compressor

Advanced

Installer Menu

will operate. When the temperature drops below the setting the thermostat will start the
gas heat and shut off the compressor.

18  Installer’s Guide

Equipment

User Menus

Heat Cycle Rate - Anticipation for heat cycle can be

adjusted. Default setting is Medium. If you wish to have
longer heat cycles, change to Slow. For shorter heat
cycles change to Fast.

Cool Cycle Rate - Anticipation for cool cycle can be

adjusted. Default setting is Medium. If you wish to have
longer heat cycles, change to Slow. For shorter heat
cycles change to Fast.

Humidity Display Adjust - Default is 0%. This

option allows you to change the humidity displayed to
match other thermostats in your home.

Installer’s Guide  19

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Equipment User Menus

Installation

Equipment operating information and options will be found on the Advanced Installer
Menu in Communicating Devices. Equipment fault status and details will be found in
Fault Status.

Thermostat

Overview

Equipment User Menus

In the Communicating Devices menu, select the equipment listed that you wish
to see information for. The display will indicate “Accessing the Device”. The list of
parameters for the equipment will appear. Select the parameter you wish to view.

Thermostat

Setup

Each Equipment User Menu has submenus to divide the information into categories.
Each piece of equipment has a different set of submenus, with different parameters
depending on the equipment. The submenus show similar information for each piece of
equipment. The submenus and the information they provide are:

Advanced

Installer Menu

20  Installer’s Guide

Equipment

User Menus

Installation

Status

Fault History
(FAULT HIST)

Used to display or modify equipment settings

Displays information on the last six faults by code and
description that occurred throughout the system and
the number of days ago that the fault occurred.

2 Week History
(2 WK HIST)

Displays information on the number of hours of unit/
mode operation and the number of cycles the unit has
operated in for the last two weeks.

Life History
(LIFE HIST)

Displays information on the lifetime number of hours of
unit/mode operation and the number of cycles the unit
has operated in.

Unit Info

On new system installations displays the model
number and serial number of the selected unit.
If a control has been replaced the equipment will be
recognized but will only show the unit model number.

Setup

Used to display or modify equipment settings

“X” in the following tables indicate alpha or numeric character

Installer’s Guide  21

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Furnace User Menus

Status 1

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Parameter Indications Comments

Main Limit Closed, Open Main Limit Control Status
MRLC Input Closed, Open Main Reset Limit Control Status
HALC Input Closed, Open Heat Assist Limit Control Status
IDM Output Off, Lo, Hi Inducer Output Status
Furn Lo Pr Sw Closed, Open Furnace Low Pressure Switch Status
Furn Hi Pr Sw Closed, Open Furnace High Pressure Switch Status
Gas VLV Prcnt % XXX%, Off Mod Gas Valve % Open
Gas VLV Relay Lo, Hi, On, Off Gas Valve Control Output Status

Flame

Off, Marginal, Good,
Unexpected

Status of Flame Sensor

Blower CFM CFM XXXX Furnace Blower CFM

22  Installer’s Guide

Furnace User Menus (cont.)

Status 2

Parameter Indications Comments

Mod Heat, Lo Heat,

Mode

Hi Heat, AC1, AC2,
Fan Only, Off, HP1,

HP2
Motor Mfgr Regblt, Emerson Blower Motor Manufacturer
Motor RPM RPM Blower Motor RPM
Maximum CFM CFM XXXX Maximum CFM Blower Provides
Blower CFM CFM XXXX Displays Current Operating CFM

Temp Rise NA, XXXF

Return Temp XXXF, FLT Displays Return Air Temp (if installed)

Supply Temp

NA, (If disabled),

XXXF, FLT
HUM Output On, Off Humidifier Output Relay Status

EAC Output On, Off

Indicates Operating Mode of System

Difference between the Supply and
Return Air Temperature

Displays Supply Air Temp (if installed
and enabled in setup)

Electronic Air Cleaner Output Relay
Status

Installer’s Guide  23

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Furnace User Menus (cont.)

Fault History (FAULT HIST)

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

24  Installer’s Guide

Equipment

User Menus

Fault Code Fault Occurred Comments

Displays up to 6 Faults; Days (XX)

XXXXXXXXXXXXXXX Days XX

indicates how many days ago the fault
occurred

Clear Faults No, Yes

2 Week History (2 WK HIST)

Parameter Indications Comments

2wk Lo HT Hrs XXX 2 Weeks Low Heat Hours of Operation
2wk Lo HT Cycls XXXX 2 Weeks Low Heat Cycles
2wk Hi HT Hrs XXX 2 Weeks High Heat Hours of Operation
2wk Hi HT Cycls XXXX 2 Weeks High Heat Cycles

2wk Y1 Hrs XXX

2 Week First Stage Cooling/Heat Pump Hours
of Operation

2wk Y1 Cycles XXXX 2 Week First Stage Cooling/Heat Pump Cycles

2wk Y2 Hrs XXX

2 Week Second Stage Cooling/Heat Pump

Hours of Operation
2wk Y2 Cycles XXXX 2 Week Second Stage Cooling/Heat Pump Cycles
2wk G Hrs XXX 2 Week Indoor Blower Hours of Operation
2wk G Cycles XXXX 2 Week Indoor Blower Cycles

Furnace User Menus (cont.)

Life History (LIFE HIST)

Parameter Indications Comments

Total Days Pwrd XXXX

Lo HT Hrs XXXXXX Low Heat Hours of Operation
Lo HT Cycles XXXXXX Low Heat Cycles
Hi HT Hrs XXXXXX High Heat Hours of Operation
Hi HT Cycles XXXXXX High Heat Cycles

Y1 Hrs XXXXXX

Y1 Cycles XXXXXX First Stage Cooling/Heat Pump Cycles

Y2 Hrs XXXXXX

Y2 Cycles XXXXXX Second Stage Cooling/Heat Pump Cycles
G Hrs XXXXXX Indoor Blower Hours of Operation

Total number of days control has been
powered

First Stage Cooling/Heat Pump Hours of
Operation

Second Stage Cooling/Heat Pump Hours of
Operation

Installer’s Guide  25

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Furnace User Menus (cont.)

Unit Info

Parameter Indications Comments

Installation

Model Number

Serial Number XXXXXXXXXXXXXXXXXXX

Software Vers XXXXXX Control Software Version

Thermostat

Overview

Setup

Parameter Options Comments

Heat Rise Adjust 55F, 65F Change airflow to adjust heat temperature rise

Thermostat

Setup

Min Heat Adj % -15, -7, 0, 7, 15

Max Heat Adj % -15, -7, 0, 7, 15

Supply Air Sens On, Off

Advanced

Installer Menu

Reset All Dflts No, Yes

26  Installer’s Guide

Equipment

User Menus

XXXX­XXXXXXXXXXXXXXXX

Selectable Airflow Adjustments at 40% Firing
Rate

Selectable Airflow Adjustments at 100% Firing
Rate

Factory default is On, if Sensor is not installed
turn Off

Resets the Furnace to the Factory Default
Configuration by selecting Yes

Unit Model Number

Unit Serial Number (Not available
if control is replaced)

Furnace User Menus (cont.)

Dipswitch*

Dipswitch Indications Comments

Cool Airflow XXXXCFM Airflow Dipswitch Settings

AC-HP Adj -10%, 0%, 10% Heat Pump AC Airflow Settings

* Dipswitch status is not required when the system is set up for 4-wire
communications. It is only displayed when a conventional 24V thermostat
input is active.

Installer’s Guide  27

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Air Handler User Menus

Status

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Parameter Indications Comments

Auxiliary Heat On, Off Auxiliary Heat Status
Blower CFM CFMXXXX Air Handler Blower CFM
Motor Mfgr Rgblt, Emerson Blower Motor Manufacturer
Motor RPM RPMXXXX Blower Motor RPM
Maximum CFM CFMXXXX Maximum CFM of the Air Handler

Temp Rise NA, XXXF, FLT

Return Temp

Supply Temp

NA (if disabled),
XXXF, FLT

NA (if disabled),
XXXF, FLT

Difference Between the Supply and Return Air
Temperature (NA if either sensor is disabled)

Displays Return Air Temperature
(if installed and enabled in Setup)

Displays Supply Air Temperature
(if installed and enabled in Setup)

Fault History (FAULT HIST)

Fault Code Fault Occurred Comments

Displays up to 6 Faults; Days (XX)

XXXXXXXXXXXXXXX Days XX

indicates how many days ago the fault
occurred

Clear Faults No, Yes Air Handler Blower CFM

28  Installer’s Guide

Air Handler User Menus (cont.)

2 Week History (2WK HIST)

Parameter Indications Comments

2wk AuxHT Hrs XXX 2 Week Auxiliary Heat Hours of Operation

2wk AuxHT Cycls XXXX 2 Week Auxiliary Heat Cycles

2wk G Hrs XXX 2 Week Blower Hours of Operation
2wk G Cycles XXXX 2 Week Blower Cycles

Life History (LIFE HIST)

Parameter Indications Comments

Total Days Pwrd XXXX Total number of days control has been powered
Aux HT Hrs XXXXXX Auxiliary Heat Hours of Operation
Aux HT Cycles XXXXXX Auxiliary Heat Cycles
G Hrs XXXXXX Continuous Fan Hours of Operation
G Cycles XXXXXX Continuous Fan Cycles

Unit Info

Parameter Indications Comments

Model Number XXXX-XXXXXXXXXXXXXXXX Unit Model Number

Serial Number XXXXXXXXXXXXXXXXXXX

Software Vers XXXXXX Control Software Version

Unit Serial Number (not available
if control is replaced)

Installer’s Guide  29

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Air Handler User Menus (cont.)

Setup

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Parameter Options Comments

Return Air Sens Off, On

Supply Air Sens Off, On

Reset All Dflts No, Yes

If Return Air Sensor is field installed, turn On.
Factory Default is Off

If Supply Air Sensor is field installed, turn On.
Factory Default is Off

Resets the Air Handler to the Factory Default
Configuration by selecting Yes

Dipswitch*

Dipswitch Indications Comments

Cool Airflow XXXXCFM View Airflow Dipswitches
HT Pump Airflow XXXXCFM View Heat Pump Airflow Dipswitch Settings
Cool Air Adj -10%, 0%, 10% View Airflow Trim Settings
On-Demand Dehum On, Off Activate Dehumidification Feature

* Dipswitch status is not required when the system is set up for 4-wire
communications. It is only displayed when a conventional 24V thermostat
input is active.

30  Installer’s Guide

Heat Pump User Menus

Status

Parameter Indications Comments

Compressor Off, On Compressor Status

AC, AC1, AC2,

Mode

Comp Hi Pres SW Closed, Open Heat Pump High Pressure Switch Status
Comp Lo Pres SW Closed, Open Heat Pump Low Pressure Switch Status
Outdr Temp Sens FLT, XXXF Outdoor Ambient Temperature
Coil Temp FLT, XXXF Outdoor Coil Temperature

HP, HP1, HP2,
Defrost, Time
Delay, Off

System Mode of Operation

Installation

Thermostat

Overview

Thermostat

Setup

Fault History (FAULT HIST)

Fault Code Fault Occurred Comments

Displays up to 6 faults; Days (XX)

XXXXXXXXXXXXXXX Days XX

indicates how many days ago the fault
occurred

Clear Faults No, Yes

Installer’s Guide  31

Advanced

Installer Menu

Equipment

User Menus

Heat Pump User Menus (cont.)

2 Week History (2 WK HIST)

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Parameter Indications Comments

2wk Y1 Hrs XXX 2 Week First Stage Cooling Hours of Operation
2wk Y1 Cycles XXXX 2 Week First Stage Cooling Cycles
2wk Y2 Hrs XXX 2 Week Second Stage Cooling Hours of Operation
2wk Y2 Cycles XXXX 2 Week Second Stage Cooling Cycles
2wk Lo HT Hrs XXX 2 Week First Stage Heat Pump Hours of Operation
2wk Lo HT Cycls XXXX 2 Week First Stage Heat Pump Cycles

2wk Hi HT Hrs XXX

2 Week Second Stage Heat Pump Hours of

Operation
2wk Hi HT Cycls 2 Week Second Stage Heat Pump Cycles
2wk Dfrst Cycls 2 Week Heat Pump Defrost Cycles

32  Installer’s Guide

Heat Pump User Menus (cont.)

Life History (LIFE HIST)

Parameter Indications Comments

Total Days Pwrd XXXX Total Number of Days Control has been Powered
Y1 Hrs XXXXXX First Stage Cooling Hours of Operation
Y1 Cycles XXXXXX First Stage Cooling Cycles
Y2 Hrs XXXXXX Second Stage Cooling Hours of Operation
Y2 Cycles XXXXXX Second Stage Cooling Cycles
Lo HT Hrs XXXXXX First Stage Heat Pump Hours of Operation
Lo HT Cycles XXXXXX First Stage Heat Pump Cycles
Hi HT Hrs XXXXXX Second Stage Heat Pump Hours of Operation
Hi HT Cycles XXXXXX Second Stage Heat Pump Cycles
Defrost Cycles XXXXXX Total Defrost Cycles

Unit Info

Parameter Indications Comments

Model Number

Serial Number XXXXXXXXXXXXXXXXXXX

Software Vers XXXXXX Control Software Version

XXXX­XXXXXXXXXXXXXXXX

Unit Model Number

Unit Serial Number (not available
if control is replaced)

Installer’s Guide  33

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

Heat Pump User Menus (cont.)

Cool Setup

Parameter Options Comments

Installation

AC Profile A, B, C, D

Cool Air Adj % -10, 0, 10 Selectable Cooling Airflow Adjustments
On Demand

Dehum

Thermostat

Overview

On, Off Select Blower Operation on based on humidity

Reset All Dflts No, Yes

Heat Setup

Parameter Options Comments

Thermostat

Setup

HP Profile A, B, C, D

Heat Air Adj % -10, 0, 10 Selectable Heat Pump Airflow Adjustments
Dfrost Cmpr Dly 0, 5 Selectable Compressor Delay during defrost

Reset All Dflts No, Yes

Advanced

Installer Menu

HP Staging
(Multi-Stage

On, Off

Units Only)

34  Installer’s Guide

Equipment

User Menus

Selectable Airflow Profiles
(see Heat Pump Installer Guide)

Resets the Heat Pump to the Factory Default
Configuration by selecting Yes

Selectable Airflow Profiles (See Heat Pump
Installer Guide)

Resets the Heat Pump to the Factory Default
Configuration by selecting Yes

For Multi-Stage Heat Pumps Factory Default is On.
This allows Low/High stages of capacities. To only
allow High capacity in Heat Pump Mode select Off

Air Conditioner User Menus

Status*

Parameter Options Comments

Compressor Off, On Compressor Status

Mode

Comp Hi Pres SW Closed, Open AC High Pressure Switch Status
Comp Lo Pres SW Closed, Open AC Low Pressure Switch Status

Outdr Temp Sens
(if enabled)

Fault History (FAULT HIST)*

Fault Code Fault Occurred Comments

XXXXXXXXXXXXXXX Days XX

Clear Faults No, Yes

AC, AC1, AC2,
Time Delay, Off

XXXF, FLT

System Mode of Operation

Outdoor Ambient Temperature Display
(if installed and enabled in setup)
This option will not appear unless the
sensor is enabled

Displays up to 6 faults; Days (XX)
indicates how many days ago the fault
occurred

Installation

Thermostat

Overview

Thermostat

Setup

Advanced

Installer Menu

*Status and Fault History also available on tandem unit Compressor 2 menu.

Installer’s Guide  35

Equipment

User Menus

Air Conditioner User Menus (cont.)

2 Week History (2 WK HIST)

Parameter Indications Comments

Installation

2wk Y1 Hrs XXX 2 Week First Stage Cooling Hours of Operation
2wk Y1 Cycles XXXX 2 Week First Stage Cooling Cycles
2wk Y2 Hrs XXX 2 Week Second Stage Cooling Hours Operation
2wk Y2 Cycles XXXX 2 Week Second Stage Cooling Cycles

Thermostat

Overview

Life History (LIFE HIST)

Parameter Indications Comments

Total Days Pwrd XXXX

Y1 Hrs XXXXXX First Stage Cooling Hours of Operation

Thermostat

Setup

Y1 Cycles XXXXXX First Stage Cooling Cycles
Y2 Hrs XXXXXX Second Stage Cooling Hours of Operation
Y2 Cycles XXXXXX Second Stage Cooling Cycles

Advanced

Installer Menu

36  Installer’s Guide

Equipment

User Menus

Total number of days control has been
powered

Air Conditioner User Menus (cont.)

Unit Info

Parameter Indications Comments

Model Number XXXX-XXXXXXXXXXXXXXXX Unit Model Number

Serial Number XXXXXXXXXXXXXXXXXXX

Software Vers XXXXXX Control Software Version

Unit Serial Number (not
available if control is replaced)

Installation

Thermostat

Overview

Cool Setup

Parameter Options Comments

AC Profile A, B, C, D

Selectable Airflow Profiles

(See AC Installer Guide)
Cool Air Adj % -10, 0, 10 Selectable Cooling Airflow Adjustments
On Demand Dehum On, Off Select Blower Operation based on humidity

Reset All Dflts No, Yes

Outdoor Temp Sens On, Off

Resets the AC to the Factory Default

configuration by selecting Yes

If Outdoor Ambient Temperature Sensor is

Field installed, turn On. Factory Default is Off

Installer’s Guide  37

Thermostat

Setup

Advanced

Installer Menu

Equipment

User Menus

SYSTEM FAULT CODES

Display Code Diagnostic Description

1 Long Run Time

2 System Pressure Trip

3 Short Cycling

4 (L4) Locked Rotor

5 (L5) Open Circuit

6 (L6) Open Start Circuit

7 (L7) Open Run Circuit

9 Low Secondary Voltage

11 Failed ignition

12 Low flame sense current

13 Flame lost after established

14 Flame present with gas valve off

21 (L21) Low Pressure Switch Trip

22 Main limit switch open.

23 Auxiliary limit switch open

25 Condensate Overflow

26 Line Neutral Reversed

27 Check Line Voltage

38  Installer’s Guide

Display Code Diagnostic Description

28 High Line Voltage

29 (L29) High Pressure Switch Trip

30 Fuse Open

33 MRLC Open

Low pressure switch closed,

44

inducer off

Low pressure switch open,

45

inducer on high speed

Low pressure switch open,

46

inducer on low speed

High pressure switch closed,

55

inducer off

High pressure switch open,

57

inducer on high speed

60 Blower Fault Run

61 Blower Fault No Run

Check inducer motor and indoor

62

blower motor

66 RPM out of range (over 1200 RPM)

68 No Blower Communication

SYSTEM FAULT CODES

Display Code Diagnostic Description

71 No inducer control communication

77 No gas valve feedback

78 Servo control fault

79 No Gas Valve Feedback

80 Low Airflow

81 Return air sensor out of range

82 Supply air sensor out of range

83 Coil Temperature Sensor Fault

84

Please refer to equipment instructions for additional fault information.

Outdoor Ambient Temperature
Sensor Fault

Display Code Diagnostic Description

85 Freeze protection

86 Air Freeze protection

P Compressor Protector Fault

d1 No Shared Data

d3 Insufficient Indoor CFM

d4 Memory Card Invalid

d5 Card Hardware Conflict

d6 Blower Horsepower Conflict

d7 Blower Manufacturer Conflict

d8 Old Shared Data

Installer’s Guide  39

Part No. 37-7309A

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