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RVS/Heat Stage 2 O/B W2
Heat Stage 1 W/W1
Compressor Low Y1
Compressor High 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 OAT/RRS
Outdoor Sensor *
Humidifier Solenoid
Valve *
Remote Room
Sensor *
O
Y1
W1
G
W2
C
Y2
R
W1
Y1
O
Y/Y2
R
C
DH
REMOVE J2
JUMPER FOR
HEAT STAGING
REMOVE J1 FOR
DEHUMIDIFY
MODES
2 STAGE
HEAT PUMP
THERMIDISTAT
FAN
COIL
A08055
Fig. 48 – Thermidistat Models T6--PRH--01 or T6--NRH--01)
Wiring with 2--Stage Heat Pump (non--communicating)
O
O/B W2 W2
W/W1 W/W1 W1 *
Heat/Cool Stage 1 Y1 / W2 Y1
Heat/Cool Stage 2 Y/Y2 Y/Y2 Y2
Fan G G
24VAC Hot Heating Rh R R
24VAC Hot Cooling Rc
Dry Contact 1 D1
Dry Contact 2 D2
DHUM
24VAC Common C COM C
Humidify HUM
Outdoor Air Temp OAT
Remote Room Sensor RRS
OAT/RRS Com SRTN
Outdoor Sensor *
Humidifier Solenoid
Valve *
Remote Room
Sensor *
Variable Speed
Furnace
Thermidistat
2-Stage
Heat Pump
* Indicates connection may not be required / available.
Heat Stage 3 (furnace)
RVS Cooling
A10107
Fig. 49 – Thermidistat Model T6--PRH--01 or T6--NRH--01 with
Variable Speed Furnace and 2--Stage Heat Pump
(non--communicating)
D
C
B
A
User Interface
D
C
B
A
D
C
B
A
Communicating HP
OAT
RYOWCHUM
C
Humidifier
24vac
Furnace or Fan Coil
A08091
Fig. 50 – Variable Speed Furnace or Fan Coil Wiring with Commu-
nicating 2--Stage HP
R
*
* See Humidifier Instructions for proper wiring.
A09567
Fig. 51 – Single Stage Furnace with 2--Stage Air Conditioner
R
* See Humidifier Instructions for proper wiring.
*
A09568
Fig. 52 – 2--Stage Thermostat with Single--Stage Furnace and
2--Stage Air Conditioner
LEGEND
24v Factory Wiring
24v Field Wiring
Field Splice Connection
A09306