Johnson Controls T600HPN-4 Installation Instructions Manual page 4

Y2 Y1
G
Fan
Comp 1
Comp 2
24 VAC
Thermostat Controller
Power
Figure 6: Wiring the T600HPx-4 or T600HPx-4+PIR Series Thermostat Controller
Y2 Y1
R2
R3
Separate 24 VAC
Transformer
Figure 7: Wiring the T600HPx-4 or T600HPx-4+PIR Series Thermostat Controller for VDC Applications
4 T600HPx-4 and T600HPx-4+PIR Series Heat Pump Thermostat Controllers Installation Instructions
RC C RH
Note: If the same power source is used
for the thermostat controller and the heating
loads, install a jumper across RC and RH.
G RC C RH
R1
To Auxiliary
Heat Circuit
AUX
W1 O/B
Rev
Aux
Aux
Valve
Heat
W1 O/B
R4
Independent Contact
- Lighting
- On/Off Actuation
- Exhaust Fan
D1 D2 RS
Remote
Room
Temperature
Sensor
Heat Pump Circuit Card
G Y1
O/B RC
R1-1 R2-1
R4-1
Note: Use 24 VAC interface relays
(provided by the user).
Scom OS
Outside
Air
Temperature
Sensor
Y2
R3-1