A SERVICE OF

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49
WIRING DIAGRAMS
Y/O
W/B
Y1
G
Fa n
Relay
Rc1
Rc
Heat/Cool
24V Supply
Rh
Cool
Contactor
Heat Relay
or Valve
Wallplate
Te rminals
Jumper
System
Selector
HG/HE - SSHP
Y/O W/B
Y1
G
Fa n
Relay
Rc1
Rc
Heat 24V
Supply
Rh
Heat Relay
or Valve
Cool
Contactor
Wallplate
Te rminals
Cool 24V
Supply
System
Selector
HG/HE - SSHP
Y/O W/B
Y1
G
Fan
Relay
Rc1
Rc
Heat Pump
24V Supply
Rh
Cool
Mode
Reversing
Valve
Wallplate
Te rminals
Jumper
Heat
Mode
OR
Compressor
Contactor
Connect to proper Reversing
Valve Te rminal. See Table A
System
Selector
HG/HE - SSHP
Y/O W/B
Y1
G
Heat Relay
or Valve
Rc1
Rc
Heat 24V or
Millivolt Supply
Rh
Wallplate
Te rminals
Jumper
System
Selector
HG/HE - SSHP
Y/O W/B
Y1
G
Fan
Relay
Rc1
Rc
Heat 24V
Supply
Rh
Heat Relay
or Valve
Wallplate
Te rminals
Jumper
System
Selector
HG/HE - SSHP
Y/O W/B
Y1
G
Fan
Relay
Rc1
Rc
Cool 24V
Supply
Rh
Heat Relay
or Valve
Wallplate
Te rminals
Jumper
System
Selector
HG/HE - SSHP
4-Wire Heat/
Cool System
5-Wire Heat/
Cool System
Single-Stage
Heat Pump
System
2-Wire Heat
Only System
3-Wire Heat
Only System
3-Wire Cool
Only System