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Wiring Diagrams

Typical Heat-Only System

Typical Cool-Only System 

Technician Setup

Wiring Diagrams

RC

Y
C

W

G

RH

HEAT RELAY

FAN RELAY

C

R

L2

L1 HOT

Typical Heat-Only System With Fan

REMOVE JUMPER

Typical 1H/1C System: 2 Transformer

L2

L2
L1 HOT

L2

L2
L1 HOT

L2

C

R

C

R

RC

Y
C

W

G

RH

COMPRESSOR

RELAY

HEAT RELAY

FAN RELAY

RC

Y
C

W

G

RH

HEAT RELAY

C

R

L2
L1 HOT

L2

RC

Y
C

W

G

RH

COMPRESSOR

RELAY

FAN RELAY

C

R

L2

L2
L1 HOT

Select GAS for systems that 

control the fan during a call for 

heat.

Select ELEC to have the 

thermostat control the fan 

during a call for heat.

Gas 

or

Elec

Fan

Operation

GAS

GAS

Tech Setup Steps 

Adjustment Options

Default

LCD Will Show

This feature will start heating 

early to bring the building 

temperature to its programmed 

setpoint by the beginning of the 

time period (WAKE).

Morning 

Recovery

ON

You can configure this 

thermostat to have a 7 day 

program, a 5+1+1 program or 

nonprogrammable.

Program 

Options

5d

5d

Technician Setup & Specifications

The display light can be config-

ured to come on when any key 

is pressed or only when the light 

key is pressed.

OFF configures display light to 

come on only with the light key, 

which will save battery power.

On configures the display light 

to come on when any key is 

pressed.

Display 

Light

ON

dL

Allows you to put your phone 

number in the display. Selecting 

“ON” will enable this feature. 

“OFF” will disable this feature.

If selected on, you will see the 

input screen after pressing next 

step. Use the          or         keys to 

select the desired number and              

the         or          key to move from 

one character to another. See 

Note on page 12 for operation.

Contractor 

Call Number

OFF

When any key is pressed ab 

audible beep will sound. There is 

an ON or an OFF.

If ON is selected the beep will 

sound.

If OFF is selected, there is not 

sound.

Beep

ON

b

Use the          or           key to turn 

on or off.

Use the          or           key to select 

7d

 for 7 day, 

5d

 for 5+1+1, or 

0d

 for non-programmable.

A Note About Keypad Lockout:

The function of activating your lockout choice takes place after you have 

exited tech setup to lock or unlock the keypad hold down the 

         

and 

    

buttons

 

for 3 seconds.

Contractor Call Number Note:

If contractor call number is selected ON, your phone number will show in 

the display if there has been a continuous call for heating or cooling for 

24 hours or if the light button is held down for 3 seconds. To remove the 

phone number from the display, hold the light button down for 3 seconds.

OFF

You can configure the system 

switch for the particular 

application:

Heat - Off - Cool,

Heat - Off,

Cool - Off,

Heat - Off - Cool-Auto

Auto=  Auto-changeover 

Use the          or           key until the 

desired application is flashing.

System 

Switch

HEAT

OFF

COOL

HEAT 
OFF 
COOL

FAN SET

MORN RECOV

PROGRAM

PHONE NUM

SYSTEM SET

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