Honeywell YCT87N1006 Thermostat User Manual


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CT87N Easy-To-See
TM
• Owner's Manual
69-1919EFS—04 4
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.
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.)
E
F
Fan operation settings
Cycle rate settings
Thermostat mounting
Coverplate
and subbase
Heating System Switch 1 Switch 2
Steam or gravity On On
High efficiency warm air Off On
(90%plusefficiency),
hot water, or heat pump
Gas or oil warm air Off Off
(factorysetting)
Electric warm air On Off
Move the cycle rate switches
to the proper setting for your
system(seetablebelow).
Thermostat
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