Set fan switch
Fan operation settings:
F: 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.)
E: 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.)
Set heat anticipator
Move the adjustment arrow to the
proper setting for your system
(see table below).
Hot water heat
Warm air (high efficiency)
Warm air (standard)
1 Align the slots on the cover with tabs on
the sides of the base, then push gently
until the cover snaps into place.
2 Restore power at the heating/cooling sys-
tem, or at the fuse/circuit breaker panel.