Sensi smart thermostat | HUMIDITY GUIDE 2
1. CONTRACTOR FIRMWARE UPDATE PROCESS
Connect the thermostat to Wi-Fi, register to the customer's account to make
sure the thermostat has the latest firmware release.
2. INSTALLATION – COMPATIBILITY AND WIRING
SENSI THERMOSTAT CONVENTIONAL SYSTEM CONNECTION HEAT PUMP SYSTEM CONNECTION
RC
†
Power for cooling, 24V Power for cooling, 24V
RH
†
Power for heating, 24V Power for heating, 24V
C Common wire, 24V Common wire, 24V
Y 1st stage cool 1st stage heat and cool (compressor)
Y2/*
2nd stage cool
(or humidifier)
2nd stage heat and cool (or humidifier)
W/E 1st stage heat
1st stage auxiliary/emergency
heat (2nd stage heat)
W2/*
2nd stage heat
(or dehumidifier)
2nd stage auxiliary/emergency heat
(3rd stage heat or dehumidifier)
G Indoor blower (fan) Indoor blower (fan)
O/B
Heat pump changeover, zone panel
or 3-wire hot water zone valve
connection. (configurable as O, B
or 2 in the installer menu)
Heat pump changeover (reversing
valve) connection (configure as
O or B in the installer menu)
L no function “L” terminal connection
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