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