Honeywell Home The Digital Round T8775A Installation Instructions Manual

T8775A,C
The Digital Round
NON-PROGRAMMABLE THERMOSTAT
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.
MERCURY NOTICE
If this control is replacing a control 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 a
sealed tube.
INSTALLATION
When Installing this 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 prod-
uct is suitable for your application.
3. Installer must be a trained, experienced
service technician.
4. After installation is complete, check out
product operation as provided in these
instructions.
CAUTION
Electrical Shock or Equipment Damage
Hazard.
Can shock individuals or short
equipment circuitry.
Disconnect power supply before
installation.
™
INSTALLATION INSTRUCTIONS
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.
Mounting Wallplate to Wall
Mount the T8775A,C wallplate, with the screws
provided. See Fig. 1.
WALL ANCHORS (2)
WALL PLATE
1 INCH SCREW (2)
1 WHEN USING WALL ANCHORS, DRILL 3/16 IN. HOLES
FOR DRYWALL, 7/32 IN. HOLES FOR PLASTER.
Fig. 1. Mounting wallplate to wall.
1
WIRING HOLE
M19499
69-1677EF-03