8 Set fan operation switch
Move the switch to the proper setting:
Gas or Oil: For gas or oil heating systems,
leave the fan operation switch in this factory-set
position (for systems that control the fan in a call
for heat).
Electric or Heat Pump: Change the switch
to this setting for heat pump or electric heat
systems. (This setting is for systems that
allow the thermostat to control the fan in a call
for heat, if a fan wire is connected to the G
terminal.)
9 Install Thermostat onto
Wallplate
Install thermostat onto the wallplate on
the wall.
10 Turn Power Back On
Turn the power back on to
the heating/cooling system.
Circuit breaker box
7
RTHXXXX
GAS OR OIL
ELECTRIC OR HEAT PUMP
GAS OR OIL
ELECTRIC OR HEAT PUMP
Not
W/
Aux
Used
Fan
Heat Off Cool
Auto On
or
Heating/cooling system
M31544
power switch
M32716
M32757