3
Table 1 — Thermostat Wiring Terminations
*Terminal C may not be used in all applications.
†Used on Heat Pump applications only.
Set Clock — The Set Clock button allows the user to
change the time and day displayed on the thermostat. Press the
Set Clock button. The current time will blink on and off. Press
the UP ARROW and DOWN ARROW buttons until the cor-
rect time is shown. Hold down the buttons to quickly move
through the time display. Press and hold the Fan button while
pressing the UP or DOWN ARROW buttons to scroll through
by hours. The AM and PM annunciators will automatically
change. To ensure the schedules are properly followed, make
sure that AM or PM is correct for the time chosen. When the
correct time is shown, press the Mode button to modify the day
of the week. The current day will blink on and off. Press the UP
ARROW and DOWN ARROW buttons until the correct day is
shown. Press the Set Clock button again to exit the Set Time
mode.
Heat Pump Configuration — To configure the ther-
mostat for heat pump operation, Advanced Setup Steps 3 (Heat
Pump Operation) and 4 (Reversing Valve Polarity) must be
configured correctly. See the Configure Advanced Setup sec-
tion for information on configuring these options.
NOTE: Some large commercial rooftop heat pump units
(50HJQ,TJQ,EJQ) must be configured with Advanced Setup
Step 3 (Heat Pump Operation) set to OFF. Refer to the base
unit instructions for more information.
Configure Advanced Setup — To enter into the ad-
vanced setup screens of the thermostat, press the Mode and
Program buttons at the same time. The Advanced Setup Step
number is shown in the top right corner of the thermostat
screen. Use the Mode button to advance through the steps.
There are 18 Advanced Setup Steps. See Table 2. Press the Pro-
gram button at any time to exit the Advanced Setup mode.
NOTE: Advanced Setup Steps 1 and 2 are configured with the
Set Clock button, and are not accessed through the advanced
setup screens.
Table 2 — Advanced Setup Configuration
LEGEND
*Accessed and configured through the Set Clock button.
EXISTING
WIRE
DESIGNATION
FUNCTION
TERMINAL
CONNECTION
GorF Fan G
Y1, Y, or C Cooling Y1
W1,W,orH Heating W1/O/B
Rh,R,M,Vr,orA Power (24 v) R
C Common C*
O/B Reversing Valve W1/O/B†
Y2 Second Stage Cooling Y2
W2 Second Stage Heating W2
RS+5 Remote Sensor (5 vdc) RS+5
RS Remote Sensor Signal RS1
RS G Remote Sensor Ground RS GND
CK1 Dry Contact Switch CK1
CK2 Dry Contact Ground CK2
STEP DESCRIPTION RANGE DEFAULT
1* Time of Day
12:00 AM -
11:59 PM
12:00 AM
2* Day of the Week
Sunday through
Saturday
Monday
3 Heat Pump Off/On Off
4
Reversing Valve
Polarity
O/B O
5 Electric Heat Off/On Off
6 Deadband 1 - 6 F 2 F
7
Forced Minimum
Temperature Difference
0-6F 2F
8 Cycles per Hour d, d1, 2 - 6 6
9 Fan Purge Timer 0:00 - 3:00 0:00
10 Thermoglow™ Backlight Off/On On
11 Economizer Output NO/NC NO
12
Reset Service
Filter Icon
——
13
Service Filter
Run Time
0-1950 hrs 500 hrs
14 Soft Start 0 - 99 0
15 Temperature Units F/C F
16 Security Level 0 - 3 0
17
Maximum Allowable
Heat Set Point
35 - 99 F 80 F
18
Minimum Allowable
Cooling Set Point
35 - 99 F 65 F
NC — Normally Closed
NO — Normally Open
W2
TYPICAL
UNIT
L
C
G
Y1
E
O
W1
R
Y2
24 VAC COMMON
FAN RELAY
COMPRESSOR RELAY
1st STAGE HEAT CIRCUIT
24 VAC RETURN
2nd STAGE HEAT CIRCUIT
W2
Y2
R
W1
Y1
G
C
THERMOSTAT
B
O
W2
TYPICAL
UNIT
L
C
G
Y1
E
O
W1
R
Y2
24 VAC COMMON
FAN RELAY
COMPRESSOR RELAY
1st STAGE HEAT CIRCUIT
24 VAC RETURN
2nd STAGE COMPRESSOR RELAY
2nd STAGE HEAT CIRCUIT
W2
Y2
R
W1
Y1
G
C
THERMOSTAT
B
O
Fig. 3 — Typical Wiring
(Single-Stage Cooling and Two-Stage Heat Units)
Fig. 4 — Typical Wiring
(Two-Stage Cooling and Two-Stage Heat Units)
1204
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