Carrier TP-NRH-A, TP-PRH-A Single−Stage Furnace with Heat Pump Hybrid Heat

Equipment Control Module		Furnace
RVS Cooling	O/B W2	Y1
Heat Stage 2 (furnace)	W/W1	W
Heat Stage 2	Y1 / W2
Heat/Cool Stage 1	Y/Y2	Y/Y2
Fan	G	G
24VAC Hot Heating	Rh	R
24VAC Hot Cooling	Rc
***Dry Contact 1	D1	HUM
Dry Contact 2	D2	DHUM
24VAC Common	C	COM
Humidify	HUM	Humidifier Solenoid
Outdoor Air Temp	OAT
		Valve *
Remote Room Sensor	RRS	Outdoor Sensor *
OAT/RRS Com	SRTN	Remote Room
		Sensor *

Single-Stage

Heat Pump

O

W2**

Y

R

C

*Indicates connection may not be required/available.

**Some heat pumps may designate W1.

***Option 19 set to 2.

A09122

Fig. 31 − Single−Stage Furnace with Heat Pump

(Hybrid Heat)

77