Bryant 127A Installation Instructions Manual page 8

Thermidistat
RVS/Heat Stage 2 O/W2/B
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
Humidifier Solenoid
Outdoor Air Temp OAT
Remote Room Sensor RRS
OAT/RRS Return
SRTN
SRTN
Thermidistat Models T6 ---PRH ---01 & TP---NRH ---01
w/ Variable Speed Fan Coil & 2 ---Stage Air Conditioner
Fig. 6 - - Thermidistat Wiring with 2- -Stage Puron refrigerant Air Conditioner
Single Stage Furnace with 2 ---Stage Air Conditioner
(See Thermostat Installation Instruction for specific unit combinations)
Two-Stage
Variable Speed
Air Conditioner
Fan Coil
O
Y1
Y1
W1
REMOVE J2
JUMPER FOR
W2
HEAT STAGING
Y2
Y/Y2
G
R
REMOVE J1 FOR
DEHUMIDIFY
DH
MODES
C
C
Valve
Outdoor Sensor
Remote Room
Sensor
A09276
A09278
Fig. 7 - - Generic Wiring Diagrams
THERMIDISTAT
Thermidistat Model TSTATBBPRH01 ---B
w/ Variable Speed Furnace & 2 ---Stage Air Conditioner
2 ---Stage Thermostat with Single ---Stage Furnace and
2 ---Stage Air Conditioner
8
TWO-STAGE
AIR CONDITIONER
A09277
HUMIDFIER
(24VAC)
A09279