41
Single-stage

Heat Pump

2-wire Heat Only

Jumper
X
OR Heat
Mode
Cool
Mode
Connect to Proper Reversing
Valve Terminal. See Table A
System
Selector
STD HP
Wallplate
Terminals

Rh

Y/O
W/B

Rc

G

Fan
Relay Reversing
Valve Compressor
Contactor

Y1

Heat Pump
24V Supply
Jumper
XX
X
Wallplate
Terminals
Rh
Rc
Heat 24V or
Millivolt Supply HeatRelay
orValve
X
Y/O
W/B
Y1
G
System
Selector
STD HP
X - No Connection
41665-01.pmd 9/30/03, 4:53 PM41