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Thermostat Mounting - Honeywell Round T87K Owner's Manual

Honeywell thermostat owner's manual
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T87N/T87K • Owner's Manual
Fan operation settings (T87N)
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.)
Cycle rate settings

Thermostat mounting

Thermostat
Base
Heating System
Steam or gravity (1 CPH)
High efficiency warm air
(90%+), hot water, or
heat pump (3 CPH)
Gas or oil warm air
(factory setting) (5 CPH)
Electric warm air (9 CPH)
Align the slots on the base with tabs on the
thermostat, then push gently until the
thermostat snaps into place.

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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