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T8501A,B,C,D MICROELECTRONIC THERMOSTATS
NO
WIRES
THROUGH WALL
WALL
ANCHORS
(2)
Fig. 2. Mounting the wallplate.
Use a pencil to mark the mounting holes. See Fig. 2.
Remove the wallplate from the wall and drill two
3/16 inch holes in the wall (if drywall) as marked. For
firmer material such as plaster or wood, drill two
7/32 inch holes. Gently tap anchors (provided) into
the drilled holes until flush with the wall.
69-0959
NO
Fig. 1. Typical location of thermostat.
WALL
MOUNTING
HOLES
MOUNTING
SCREWS
M6530
2
YES
NO
5 FEET
[1.5 METERS]
Position the wallplate over the holes, pulling wires
through the wiring opening.
Loosely insert the mounting screws into the holes.
Tighten mounting screws.
WIRING
All wiring must comply with local electrical codes and
ordinances. Refer to Fig. 3 through 5 for typical hookups.
A letter code is located near each terminal for identifica-
tion.
CAUTION
Disconnect power before wiring to prevent
electrical shock or equipment damage.
Loosen the terminal screws on the wallplate and
connect the system wires. See Fig. 6.
IMPORTANT
Use 18 gauge, color-coded thermostat cable for
proper wiring.
Securely tighten each terminal screw.
Push excess wire back into the hole.
Plug the hole with nonflammable insulation to
prevent drafts from affecting the thermostat.
M10106
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