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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
129
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