24
Boiler or radiant system with air handler and
conventional cooling or heat pump
G
S
Y1
Y2
M1
M2
C
RC
RH
O/B
W1
W2
Y1 Y2 C
Y1 Y2
W1
W2
R
C
G
O/B
1
R
Air conditioner or Heat pump
Boiler
Air handler
For dual heat and cooling system,
if applicable.
1
For heat pump only.
Remove the jumper between Rh, Rc, or R terminals, adjust the DIP switch
on the back of the thermostat to
'Disconnect'
if you have connected both
RC-wire and RH-wire to the wallplate, otherwise switch it to the
'Connect'
side.