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1F86U-42WF

SENSI

WIRING

Terminal Connections

Sensi

Thermostat

Conventional

Heat Pump

RC*

Power for Cooling

Power for Cooling

RH*

Power for Heating

Power for Heating

C

Common Wire

Common Wire

W/E

1st Stage Indoor Heat

1st stage Aux/Emergency Heat

W2

2nd Stage Indoor Heat

2nd stage Aux/Emergency Heat

Y

1st Stage Outdoor Cool

1st Stage Compressor

Y2

2nd Stage Outdoor Cool

2nd Stage Compressor

G

Fan

Fan

O/B

Heat pump changeover valve

Heat Pump Changeover Valve

L

Heat pump diagnostic

Heat Pump Diagnostic

* If you have separate RC and RH wires, clip the RC/RH jumper on the back of the thermostat.

RC/RH

Jumper

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