Honeywell T87K1007 Thermostat User Manual


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T87N/T87K • Owner's Manual
69-1958EFS—02 4
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.)
Aligntheslotsonthebasewithtabsonthe
thermostat, then push gently until the
thermostat snaps into place.
Fan operation settings (T87N)
Thermostat mounting
Thermostat
Base
Heating System Switch 1 Switch 2
Steam or gravity(1CPH) On On
High efficiency warm air Off On
(90%+),hotwater,or
heatpump(3CPH)
Gas or oil warm air Off Off
(factorysetting)(5CPH)
Electric warm air(9CPH) On Off
Move the cycle rate switches
tothepropersettingforyour
system(seetablebelow).
Cycle rate settings
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