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Set Cycle Rate Switches; Finish Installation - Honeywell The Round CT87K Owner's Manual

24 vac heating/heating and cooling systems
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CT87N/CT87K • Owner's Manual
Set fan operation switch (CT87N)
Move the switch to the proper setting for your
system:
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 cycle rate switches

Finish installation

Coverplate
(optional)
Thermostat
69-1959EFS—02
Base
Heating System
Steam or gravity
High efficiency warm air
(90% plus efficiency),
hot water, or heat pump
Gas or oil warm air
(factory setting)
Electric warm air
1. Align the slots on the base with tabs on
the thermostat, then push gently until the
thermostat snaps into place.
2. Restore electrical power at the heating/
cooling system, or at the fuse/circuit-
breaker panel.
4
E
F
Move the cycle rate switches
to the proper setting for your
system (see table below).
Switch 1
On
Off
Off
On
Switch 2
On
On
Off
Off

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The round ct87n