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Honeywell
T8775A,C
TheDigitalRoundTM
Non-ProgrammableThermostats
The T8775A,C Thermostats provide single-stage
temperature control for 24V systems. The
T8775A,C models include a thermostat, wallplate
(for wiring and mounting thermostat), mounting
screws, wall anchors, and a 4074 FAB resistor.
MERCURYNOTICE
If this control is replacing acontrol that
contains mercury in a sealed tube, do not
place your old control in the trash.
Contact your local waste management
authority for instructions regarding
recycling and the proper disposal of an old
control containing mercury in asealed
tube.
INSTALLATION
When Installingthis Product...
1. Read these instructions carefully. Failure to
follow them could damage the product or
cause a hazardous condition.
2. Check the ratings given in the instructions
and on the product to make sure the product
is suitable for your application.
3. installer must be atrained, experienced ser-
vice technician.
4. After installation is complete, check out prod-
uct operation as provided in these instruc-
tions.
z_ CAUTION
Electrical Shock or Equipment Damage
Hazard.
Dan shock individuals or short
equipment circuitry.
Disconnect power supply before
installation.
Location
install the thermostat about 5 ft (1.5m) above the
floor in an area with good air circulation at average
temperature. Do not install the thermostat where it
can be affected by:
-- drafts or dead spots behind doors and in
corners.
-- hot or cold air from ducts.
-- radiant heat from the sun or appliances.
-- concealed pipes and chimneys.
-- unheated (uncooled) areas such as an outside
wall behind the thermostat.
MountingWallplateto Wall
Mount the T8775A,C wallplate, with the screws
provided. See Fig. 1.
WALL ANCHORS (2) --
WALL PLATE _
I
I INCI/SCREW (2) M_ ,>
z_WHEN USING WALL ANCHORS, DRILL 3,¸¸16IN HOLES
FOR DRYWALL¸ 7/32 IN HOLES FOR PLASTER¸
Fig. 1. Mounting watlplate to wall.
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© 2004 Honeywell International inc.
All Rights Reserved _ 69-1677ES--1