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.

□

Q539P with indicator LED for oil primary systems

(HEAT-only).

Q539A,B,C,F,

D.T.
Rev. 10-89

Form Number 60-2246—4

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