3
Table 1 — Thermostat Wiring Terminations
*Terminals W2 and Y2 may not be used in all applications.
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. The AM and PM annunciators will
automatically change. Hold down the Fan button while press-
ing UP ARROW or DOWN ARROW to change the time by
hours instead of minutes. To ensure the schedules are properly
followed, make sure that AM or PM is correct for the time cho-
sen. 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 proper heat pump operation, Advanced Setup Step
13 (Reversing Valve Polarity) must be configured correctly.
See the Configure Advanced Setup section for information on
configuring these options.
Configure Advanced Setup —
To enter 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 13 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.
SERVICE FILTER (Steps 3 and 4) — Step 3 allows the user
to reset the Service Filter counter to zero and remove the
‘‘SERVICE FILTER’’ icon (if displayed on the thermostat
screen). Press the OVERRIDE button while in Setup Step 3
and the counter is reset to zero. Press the arrow buttons to ad-
just the number of hours the blower will run before the ‘‘SER-
VICE FILTER’’ icon is displayed. The range is 0 to 1950
hours. Set the variable to 0 to disable this function. The default
is 500 hours.
Table 2 — Advanced Setup Configuration
*Accessed and configured through the Set Clock button.
EXISTING
WIRE
DESIGNATION
FUNCTION
TERMINAL
CONNECTION
G or F
Fan
G
Y1, Y, or C
Cooling
Y1
W1, W, or H
Heating
W1/O/B
Rh, R, M, Vr, or A
Power (24 v)
R
C
Common
C
O/B
Reversing Valve
W1/O/B
Y2
Second Stage Cooling
Y2*
W2
Second Stage Heating
W2*
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
Reset Service
Filter Icon
—
—
4
Service Filter
Run Time
0-1950 hrs
500 hrs
5
Deadband
1 - 6 degrees
2
6
Forced Minimum
Temperature Difference
0 - 6 degrees
2
7
Cycles per Hour
d, d1, 2 - 6
6
8
Thermoglow™ Backlight
Off/On
On
9
Temperature Units
F/C
F
10
Security Level
0 - 3
0
11
Maximum Allowable Heat
Set Point
35-99
80
12
Minimum Allowable Cool
Set Point
35-99
65
13
Reversing Valve Polarity
O/B
O
Thermostat
R
C
G
Y
W
O
R
C
G
Y1
Y2
W1
W2
O
24 vac common
24 vac return
Fan
Compressor
Cooling
COMPLETE C
B
Thermostat
R
R
C
C
G
G
Y
Y
W
W
O
O
R
C
G
Y1
Y2
W1
W2
O
24 vac common
24 vac return
Fan
Compressor
Compressor 2
Cooling
COMPLETE C1 COMPLETE C2
B
Thermostat
R
C
G
Y1
Y2
W1
O/W2
R
C
G
Y1
Y2
W1
W2
O
24 vac common
24 vac return
Fan
Compressor 1
Compressor 2
Cooling
DELUXE D
B
Fig. 3 — Water Source Heat Pumps Equipped
with One Complete C Control Board for
Single-Stage Operation
Fig. 4 — Water Source Heat Pumps Equipped
with Two Complete C Control Boards
for Two-Stage Operation
Fig. 5 — Water Source Heat Pumps Equipped
with Deluxe D Control Board(s)
for Single or Two-Stage Operation
