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3 Mount the 8035C
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Separate front from back of unit. Press up on the
catch on bottom of thermostat and swing the body
away from the base, lift up to remove the body
from the base. Hold the base against the wall, with
the wires coming through the opening below the
terminal block.
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Position the base for best appearance. (If you
chose to use the optional wall plate, hold the wall
plate against the wall, with the wires coming through the
opening. Then pull the wires through the opening in the
base unit. Position the base unit for best appearance.)
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Attach the base to the wall with the three screws
provided.
If you are mounting the base to sheet rock or if you are
using the old mounting holes, use the plastic anchors
provided. Drill a 3/16-in.(4.8mm) hole for the insert at
each screw location, then mount the base.
PG 3
PG 4
Terminal
Block
Wall Plate
Base
2 Remove old unit
ï Switch electricity to the furnace and air conditioner OFF;
then proceed with the following steps.
ï Remove cover from old thermostat. Most are snap-on types and simply
pull off. Some have locking screws on the side or front. These must be
loosened. Note the letters printed near the terminals.
ï Attach labels (enclosed) to each wire for identification.
ï Label the wires one at a time. You must have all the wires labeled
before you proceed. With all wires labeled, remove them from the
old unit.
ï Make sure the wires do not fall back inside the wall.
Wind them around a pencil to keep them from falling.
Loosen all screws on the old thermostat and remove it
from the wall.
ï Fill wall opening with non-combustible insulation to
prevent drafts.
R
G
W
Caution
Read instructions carefully before removing any wiring from existing
thermostat. Wires must be labeled before they are removed. THERE IS NO
STANDARD COLOR CODE. When removing wires from their terminals,
ignore the color of the wires since these may not follow any standard.
RESET
MENU
PROG
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