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SECTION 4
Wire Connections
Wire Connections
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.
Wire from the
old thermostat
Function
terminal marked
G or F
Y1, Y or C
Cooling
W1, W or H
Heating
Rh, R, M, Vr, A
C
Common
O/B
Rev. Valve
2nd Stage Heat
W2
MISC1
Configurable Output #1
MISC2
Configurable Output #2
MISC3
Configurable Output #3
RS+5
Remote Sensor +5vdc
RS1
Remote Sensor Signal
RSGND
Remote Sensor Ground
RS2
Remote Sensor Signal #2
CK1
Dry Contact Switch 1
CKGND
Dry Contact Switch 2
** O/B is used if your system is a Heat Pump.
Install on the
new thermostat
connector marked
Fan
G
Y1
W1/O/B
Power
R
C
W1/O/B**
W2
MISC1
MISC2
MISC3
RS+5
RS1
RSGND
RS2
CK1
CKGND
Page 4.1
TOTALINE
4
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