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W415-4094 / 06.10.22
7
wiring diagrams
EN
Heat Pump (Air or Geothermal) with Auxiliary Heat
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 wall-plate.
Otherwise, switch it to the “Connect” side.
For dual heat and cooling system,
if applicable.
RO/B W1 W2
O/B
Heat pump
Air handler
G
S
Y1
Y2
M1
M2
C
RC
RH
O/B
W1
W2
Y1 Y2 C
Y1 Y2W1 W2 R CG
Humidifier/
Dehumidifier
(optional)
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