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Installation
Mounting
Location
Note: Mount the thermostat about five feet above the floor.
Do not mount the thermostat on an outside wall, in
direct sunlight, behind a door, or in an area affected
by a vent or duct.
Junction Box, (J-Box)
Hazardous Voltage!
Turn off power at the main service panel by remov-
ing the fuse or switching the appropriate circuit
breaker to the OFF position before removing the
existing thermostat.
IMPORTANT!
Thermostat installation must conform to local and national
building and electrical codes and ordinances.
1. To remove cover, insert and twist a coin or screwdriver in
the slots on the thermostat.
2.
Pull the wire through the wall and out of the junction box,
leaving about six inches free. Note that the J-box must
be rotated to the horizontal position to accommodate the
proper mounting position. See
3. Pull the wire through the hole in the base plate.
4. Secure the back plate to the box using #6-32 × 1/2 inch
mounting screws.
5. Screw the plate firmly to the wall so the foam plate
backing is compressed about 50%.
6. Terminate the unit according to the guidelines in the
"Field
Wiring" section.
CAUTION
Be sure exposed portion of wires do not touch other wires.
7. Attach cover by placing the top of the cover on the back
base and snapping the bottom into position.
Figure 1: Junction box mounting
Field provided
thermostat wiring
#6-32 × 1/2
mountings screws
Page 4 of 8 / IOM 1177-1 / LIAF184
DANGER
Figure
1.
Junction box
Drywall Mounting
1. Place the base plate against the wall where you want to
mount the sensor.
2. Mark out the two mounting holes where the unit will be
attached to the wall. Drill a 3/16" hole in the center of
each mounting hole and insert a drywall anchor into the
holes.
3. Mark out the center hole for the field wiring entrance and
drill one 1/2" hole in the middle of the marked wiring area.
4. Pull the wire through the wall and out the 1/2" hole,
leaving about six inches free.
5. Pull the wire through the hole in the base plate.
6. Secure the base to the drywall anchors using #6 × 1"
mounting screws.
7. Screw the plate firmly to the wall so the foam plate
backing is compressed about 50%.
8. Terminate the wiring according to the guidelines in the
"Field Wiring"
section.
9. Attach cover by placing the top of the cover on the back
base and snapping the bottom into position.
Note: 1. In any wall-mount application, the wall
temperature and the temperature of the air within
the wall cavity can cause erroneous readings.
2. The mixing of room air and air from within the wall
cavity can lead to condensation, erroneous
readings and sensor failure. To prevent these
conditions, Daikin recommends
sealing the conduit leading to the junction box with
fiberglass.
Figure 2: Field mounting and wiring termination
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