72
Installation Instructions
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
Install on the
old thermostat
Function
new thermostat
terminal marked
connector marked
G or F
Fan
G
Y1, Y
Cooling
Y1
W1, W
Heating
W1/0/B
Rh, R, M, Vr, A
Power
R
C
Common
C
O/B
Rev. Valve
W1/O/B*
W2
2nd Stage Heat
W2
Y2
2nd Stage Cooling
Y2
W3
3rd Stage Heat
W3
OUT -
Outdoor Sensor
SENSOR
OUT +
Outdoor Sensor
SENSOR
* O/B is used if your system is a Heat Pump.
Summary of Contents for ColorTouch T8900
Page 1: ...Owner s Manual Installation Guide COMMERCIAL MODEL T8900 with Humidity Control ...
Page 36: ...28 Main Menu Buttons Holidays Holiday Schedule OFF Edit Holidays Preset Holidays Holidays ...
Page 56: ...48 Main Menu Buttons Settings The user may limit the maximum Cooling Setpoint ...
Page 57: ...49 Main Menu Buttons Settings The user may limit the minimum Heating Setpoint ...
Page 58: ...50 Main Menu Buttons Settings The user may adjust the ADR Cooling static Setpoint ...
Page 59: ...51 Main Menu Buttons Settings The user may adjust the ADR Heating static Setpoint ...
Page 95: ...Printed on recycled paper P N 88 1091 Rev 1 06 15 Patents Issued Pending ...