Page 3.1
SECTION 3
Wire ConnectionsWire Connections
TOTALINE
If the terminal designations on your old
thermostat do not match those on the new
thermostat, refer to the chart below, or the
wiring diagrams that follow.
** O/B is used if your system is a Heat Pump.
Wire from the
old thermostat
terminal marked
Function
Install on the
new thermostat
connector marked
G or F Fan G
Y1, Y or C
Cooling Y1
W1, W or H
Heating
W1/O/B
PowerRh, R, M, Vr, A R
C
O/B
C
Common
Rev. Valve
W2
2nd Stage Heat
RS+5
Remote Sensor +5vdc
RS+5
RSGND
Remote Sensor Ground
RSGND
W1/O/B**
W2
RS2 RS2
Remote Sensor Signal #2
3
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