Carrier Residential Air Conditioners and Heat Pumps Application Manualline page 54

Thermidistat
RVS Cooling O/B W2
Heat Stage 3 W/W1
Heat/Cool Stage 1 Y1 / W2
Heat/Cool Stage 2 Y/Y2
Fan G
24VAC Hot Heating Rh
24VAC Hot Cooling Rc
Dry Contact 1 D1
Dry Contact 2 D2
24VAC Common C
Humidify HUM
Outdoor Air Temp OAT
Remote Room Sensor RRS
OAT/RRS Com SRTN
Fig. 36 – Thermidistat Models T6- - PRH- - 01 or T6- - NRH- - 01)
Wiring with 2- - Stage Heat Pump (non- - communicating)
User Interface Furnace or Fan Coil
D
C
B
A
Humidifier
Fig. 38 – Variable Speed Furnace or Fan Coil Wiring
with Communicating 2- - Stage HP
* See Humidifier Instructions for proper wiring.
Fig. 40 – 2- - Stage Thermostat with Single- - Stage Furnace
and 2- - Stage Air Conditioner
Fan Coil Heat Pump
O O
W1 W1
J2 Jumper
W2
on Control Board
Y1 Y1
Y/Y2 Y2
G
R
J1 Jumper
on Control Board
DH
C
C
Humidifier Solenoid
Valve
Outdoor Sensor
Remote Room
Sensor
A12264
Communicating HP
D
C C
B B
A A
A12266
R
*
A09568
Thermidistat
RVS Cooling O/B W2
Heat Stage 3 W/W1
(furnace)
Heat/Cool Stage 1 Y1 / W2
Heat/Cool Stage 2 Y/Y2
Fan G
24VAC Hot Heating Rh
24VAC Hot Cooling Rc
Dry Contact 1 D1
Dry Contact 2 D2
24VAC Common C
Humidify HUM
Outdoor Air Temp OAT
Remote Room Sensor RRS
OAT/RRS Com SRTN
Fig. 37 – Thermidistat Model T6- - PRH- - 01 or T6- - NRH- - 01 with
Variable Speed Furnace and 2- - Stage Heat Pump
(non- - communicating)
*
* See Humidifier Instructions for proper wiring.
Fig. 39 – Single Stage Furnace with 2- - Stage Air Conditioner
LEGEND
24v Factory Wiring
24v Field Wiring
Field Splice Connection
54
Furnace Heat Pump
O
W2
W/W1 W1
Y1
Y1
Y/Y2 Y2
G
R
DHUM
COM C
Humidifier Solenoid
Valve
Outdoor Sensor
Remote Room
Sensor
A12265
R
A09567
A09306