Set Clock; Heat Pump Configuration; Configure Advanced Setup; Thermostat Wiring Terminations - Carrier 33CS Installation, Start-Up, And Operating Instructions Manual

THERMOSTAT
B
O
W2 Y2 R W1 Y1 G C
Fig. 3 — Typical Wiring (Single-Stage Cooling Units)
THERMOSTAT
B
O
W2 Y2 R W1 Y1 G C
2nd STAGE COMPRESSOR RELAY
Fig. 4 — Typical Wiring (Two-Stage Cooling Units)
Table 1 — Thermostat Wiring Terminations
EXISTING
WIRE FUNCTION
DESIGNATION
G or F
Y1, Y, or C
W1, W, or H
Rh, R, M, Vr, or A Power (24 v)
C
O/B Reversing Valve
Y2 Second Stage Cooling
W2 Second Stage Heating
*Terminals C, W2, and Y2 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. 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 prop-
erly 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 AR-
ROW buttons until the correct day is shown. Press the Set
Clock button again to exit the Set Time mode.
TYPICAL
UNIT
24 VAC COMMON
FAN RELAY
COMPRESSOR RELAY
1st STAGE HEAT CIRCUIT
24 VAC RETURN
2nd STAGE HEAT CIRCUIT
TYPICAL
UNIT
24 VAC COMMON
FAN RELAY
COMPRESSOR RELAY
1st STAGE HEAT CIRCUIT
24 VAC RETURN
2nd STAGE HEAT CIRCUIT
TERMINAL
CONNECTION
Fan G
Cooling Y1
Heating W1/O/B
R
Common C*
W1/O/B†
Y2*
W2*
Heat Pump Configuration —
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-
L
tion for information on configuring these options.
E
NOTE: Some large commercial rooftop heat pump units
C
(50HJQ,TJQ,EJQ) must be configured with Advanced Setup
G
Step 3 (Heat Pump Operation) set to OFF. Refer to the base
Y1
unit instructions for more information.
O
Configure Advanced Setup —
W1
vanced setup screens of the thermostat, press the Mode and
R
Program buttons at the same time. The Advanced Setup Step
Y2
number is shown in the top right corner of the thermostat
screen. Use the Mode button to advance through the steps.
W2
There are 15 Advanced Setup Steps. See Table 2. Press the
Program 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 ad-
vanced setup screens.
HEAT PUMP CONFIGURATION (Steps 3 and 4) — To set
L
the thermostat for heat pump operation, Advanced Setup
Step 3 must be configured to ON. Use the UP and DOWN
E
ARROW buttons to configure the step. The default is OFF.
C
Press the mode button to continue to Step 4. Step 4 is used
G
to set the reversing valve polarity for the heat pump. The
Y1
variable can be set to either ''B''or ''O.'' Set the reversing
O
valve polarity to the correct value depending on the appli-
cation. The default is ''O.''
W1
NOTE: Step 4 will appear only if Step 3 is set to ON.
R
Step 5 will appear only if Step 3 is set to OFF.
Y2
ELECTRIC HEAT CONFIGURATION (Step 5) — Step 5
W2
is used to configure the thermostat for electric heat. The vari-
able can be configured ON or OFF. The default is OFF.
NOTE: Step 5 will appear only if Step 3 is set to OFF.
Table 2 — Advanced Setup Configuration
STEP DESCRIPTION
1* Time of Day
2* Day of the Week
3 Heat Pump
Reversing Valve
4
5 Electric Heat
6 Deadband
Forced Minimum
7
Temperature Difference
8 Cycles per Hour
9 Thermoglow™ Backlight
Reset Service
10
Filter Icon
Service Filter
11
Run Time
12 Temperature Units
13 Security Level
Maximum Allowable
14
Heat Set Point
Minimum Allowable
15
Cooling Set Point
*Accessed and configured through the Set Clock button.
3
To configure the ther-
To enter into the ad-
RANGE
12:00 AM -
11:59 PM
Sunday through
Saturday
Off/On
O/B
Polarity
Off/On
1 - 6 degrees
0 - 6 degrees
d, d1, 2 - 6
Off/On
—
0-1950 hrs
F/C
0 - 3
35 - 99 F (1-37 C) 80 F (27 C)
35 - 99 F (1-37 C) 65 F (18 C)
DEFAULT
12:00 AM
Monday
Off
O
Off
2
2
6
On
—
500 hrs
F
0