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C A U T I O N:
Your thermostat is protected against normal
static electric discharges. To minimize the
risk of damaging the unit in extremely dry
weather, touch a grounded metal object before
touching your thermostat.
4. INSTALLATION
4.1 TOOLS REQUIRED
• #1 Phillips screwdriver (small)
• Drill with 3/16-in. (4.8mm) bit
• Wire stripper/cutter
4.2 LOCATION
• On replacement installations, mount the new
thermostat in place of the old one, unless the
conditions listed below suggest otherwise. On
new installations, follow the guidelines listed
below.
• Locate the thermostat on an inside wall, about 5
ft. (1.5m) above the floor, in a room that is used
often.
• Do not locate where air circulation is poor, such
as in a corner or an alcove; or behind an open
door.
• Do not install it where there are unusual heating
conditions, such as: in direct sunlight; near a
lamp, television, radiator, register, or fireplace;
near hot water pipes in a wall; near a stove on
the other side of the wall.
• Do not locate in unusual cooling conditions,
such as: on a wall separating an unheated room;
or in a draft from a stairwell, door, or window.
• Do not locate in a damp area. This can lead to
corrosion that will shorten thermostat life.
• Do not install the unit until all construction work
and painting has been completed.
W A R N I N G:
• Read instructions carefully before removing
any wiring from an existing thermostat.
• Label wires before they are removed.
• When removing wires from their terminals,
ignore the color of the wires since they may
not comply with any standard.
4.3 REMOVAL OF OLD UNIT
1. Switch electricity to the furnace and air
conditioner OFF; then proceed with the following
steps.
2. Remove cover from old thermostat. Most are
snap-on types and simply pull off. Some have
locking screws on the side. These must be
loosened.
3. Note the letters printed near the terminals.
Attach labels (enclosed) to each wire to
identification. Label and remove wires one at a
time. Make sure the wires do not fall back inside
the wall.
4. Loosen all screws on the old thermostat and
remove it from the wall.
4.4 MOUNTING
5. Strip insulation 3/8 in. (9.5mm) from wire
ends and clean off any corrosion.
6. Fill wall opening with non-combustible
insulation to prevent drafts from affecting the
thermostat.
7. With each thumb on a release tab at the
bottom of the body, and fingers over the top of
the unit, release the unit from its base plate by
squeezing the tabs into the body.
8. Separate the unit from its base plate by pulling
the body outward at its bottom.
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