Carrier Performance TP-PRH-A Installation Instructions Manual page 82

Equipment Control Module
RVS Cooling
Heat Stage 3
(furnace)
Heat Stage 2
(furnace)
Heat/Cool Stage 1
Fan
24VAC Hot Heating
24VAC Hot Cooling
*** Dry Contact 1
Dry Contact 2
24VAC Common
Humidify
Outdoor Air Temp
Remote Room Sensor
OAT/RRS Com
* Indicates connection may not be required/available.
** Some heat pumps may designate W1.
***Option 19 set to 2.
Fig. 35 - - Variable Speed, Multi- - Stage and Step Modulating Furnace with
Furnace
O/B W2 W2
Y1 / W2 W/W1
W/W1 Y1
Y/Y2 Y/Y2
G
Rh
Rc
D1
D2 DHUM
COM
C
HUM
Humidifier Solenoid
OAT
Valve *
RRS
Outdoor Sensor *
SRTN
Remote Room
Sensor *
Single- - Stage Heat Pump
80
Heat Pump
W2**
G
R
O
Y
R
C
A09125