Honeywell Q539F User Manual
Honeywell, Thermostat subbases, Q539a,b,c,f
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Honeywell
THERMOSTAT
SUBBASES
THE Q539 SUBBASES PROVIDE COOLING ANTICI
PATORS.
WIRING
TERMINALS.
AND
MOUNTING
BASES
FOR
T87F
THERMOSTATS.
MOST
ALSO
PROVIDE
SYSTEM
AND
FAN
SWITCHING
FOR
HEATING.
COOLING.
AND
HEATING-COOLING
THERMOSTATS.
□ Screw terminals for electrical connections are letter-
coded for quick, accurate installation.
□ Shunt type carbon heater provides cooling anticipa
tion for close temperature control.
□ Guide posts assure mounting and leveling necessary
to maintain thermostat calibration.
□
Fan and system switch levers (available on most
models) located at top edge for convenient control.
□ Indicator LED available on most models.
□ Mount directly on wall or on standard outlet box with
accessory wallplate.
i
□
Q539P with indicator LED for oil primary systems
(HEAT-only).
Q539A,B,C,F,
D.T.
Rev. 10-89
Form Number 60-2246—4
© Honeywell Inc. 1989