Venstar T1700 Installation - Manual (Page 7)

Page 3.1
SECTION 3
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.
* 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
Power Rh, 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
AUTO
I2:00 Pm
HEAT COOL 72
74