CT51 Series
4
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).
Your system Setting
Steam 1.2
Hot water heat 0.8
Warm air (high efficiency) 0.8
Warm air (standard) 0.4
Electric heat 0.3
Thermostat mounting
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.
Tab
