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INSTALLATION GUIDE
Up to nine fan coil units can be connected to one outdoor unit.
Refer to the Product Data for approved combinations.
Ideal installation locations include:
Each Indoor Unit
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A location where there are no obstacles near the inlet and outlet
areas.
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A location which can bear the weight of the indoor unit.
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Do not install indoor units near a direct source of heat such as
direct sunlight or a heating appliance.
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A location with the appropriate clearances (see Fig. 22).
Outdoor Unit
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A convenient location that is not exposed to strong winds. If
the unit is exposed to strong winds, it is recommended that a
field−fabricated wind baffle be used (see Fig. 78).
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A location which can bear the weight of the outdoor unit and
where the outdoor unit can be mounted in a level position.
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A location which provides appropriate clearances (see Fig. 25
and Fig. 26).
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Do not install the indoor or outdoor units in a location with
special environmental conditions. For those applications,
contact your sales representative.
HIGH WALL INDOOR UNIT
INSTALLATION
Install Mounting Plate
For each fan coil:
1 Carefully remove the mounting plate, which is attached to
the back of the indoor unit.
2 The mounting plate should be located horizontally and level
on the wall.
3 If the wall is block, brick, concrete or similar material, drill .2”
(5mm) diameter holes and insert anchors for the appropriate
mounting screws.
4 Attach the mounting plate to the wall (see Fig. 3).
For Each Fan Coil, Drill Hole in Wall for
Interconnecting Piping, Drain and Wiring
Refrigerant Line Routing
The refrigerant lines may be routed in any of the four directions
shown in Fig. 28 (a) and (b).
For maximum serviceability, it is recommended to have the
refrigerant line flare connections and the drain connection on the
outside of the wall that the fan coil is mounted on.
1 Right Exit
2 Right Rear Exit
3
Left Exit
4
Left Rear Exit
( a )
( b )
( c )
As viewed from front
Knockout 3
Knockout 2
Knockout 1
A08281
Fig. 28 – Refrigerant Line Routing
If piping is going through the back:
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Determine the pipe hole position using the mounting
plate as a template. Drill a pipe hole diameter per the
Table 36. The outside pipe hole is 1/2−in. (13 mm) min.
lower than inside pipe hole, so it slants slightly
downward (see Fig. 29).
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If piping is going to exit from the left rear, it is
recommended to field−fabricate the piping extensions to
get the flare connections to the outside of the wall.
1/2 in. (13 mm)
Min.
INDOOR
OUTDOOR
A07371
Fig. 29 – Drill Holes
Table 36—Hole Diameter
UNIT SIZE
HOLE DIAMETER in. (mm)
9k, 12k, 18k and 24k
3.75 (95)
If piping is going through the right or left side:
1 Use a small saw blade to carefully remove the
corresponding plastic covering on the side panel and drill
the appropriate size hole where the pipe is going through
the wall (see Fig. 28 (c)).
2 Remove knockout 1 if you are running ONLY the wiring.
Remove knockout 1 and 2 or knockout 1, 2 and 3 if you are
running both the piping and wiring through the unit’s side.
!
40GRQ Rear left condensate drain connection on unit
When piping out of the rear right, a field supplied joint
connection will need to be made behind the unit. Please
ensure that the connection is made properly to avoid leaks.
CAUTION
Wireless Remote Controller Installation
Mounting Bracket (if installed on the wall)
1 Use the two screws supplied with the control to attach the
Mounting Bracket to the wall in a location selected by the
customer and within operating range.
2 Install batteries in the Remote Controller.
3 Place the Remote Controller in the Mounting Bracket.
NOTE: For information regarding the remote controller’s
operation, refer to the unit’s owner’s manual.
Wired Remote Controller Installation
(Optional on 40GJ High Wall only, not available on 40GR)
For setup instructions, refer to the Wired controller installation
manual. Connect the 4−core wire shipped with the wired controller
to the wire with a molex connector shipped with the unit and
already connected to the PCB Board to COM−INNER1.
