Honeywell RTH221B1021/E1 Thermostat User Manual


 
7
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.
RTHXXXX
M32716
GAS OR OIL
ELECTRIC OR HEAT PUMP
GAS OR OIL
ELECTRIC OR HEAT PUMP
10 Turn Power Back On
Turn the power back on to
the heating/cooling system.
W/
Aux
Not
Used
Heat Off Cool Auto On
Fan
M33784
Heat Off Cool Auto On
Fan
Heat Off Cool
Auto On
Fan
Set
Hold
Run
M31544
or
Circuit breaker box Heating/cooling system
power switch