Single-stage Heat Pump
Wallplate
Terminals
G
Fan
Relay
2-wire Heat Only
Wallplate
Terminals
G
X
X - No Connection
wiring diagrams, cont.
Jumper
Rc
Rh
Y/O
Cool
OR
X
Mode
Heat Pump
Reversing
24V Supply
Valve
Connect to Proper Reversing
Valve Terminal.
Jumper
Rh
Rc
Y/O
X
X
Heat 24V or
Millivolt Supply
56
System
Selector
Y1
W/B
Heat
Mode
Compressor
Contactor
System
Selector
W/B
Y1
X
Heat Relay
or Valve
–
STD HP
–
STD HP