Carrier 40KMC Series Installation Instructions Manual page 7

£ Use
a stacker to lift the unit to the installation location.
See Fig. 10.
;k
Fig. 10 - Positioning []nit
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g. Carefully lift the unit using the four suspension brackets
and insert the four suspension brackets into the threaded
hanger as shown in Fig. 11.
Spirit
False
Ceiling
to 1-3/16"
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Fig. 11 - Align and Level []nit
h. Align and level the unit by adjusting the nuts and lock-
nuts on the threaded hangers maintaining a distance of 1
in. to 1-3/16 in. between the sheet metal body and the
underside of the false ceiling. See Fig. 11.
3. Drill the hole for the piping (refrigerant and condensate)
and control wiring in the external wall.
a. Drill a 2-3/4 in. (70 ram) hole in the wall with a 3/16
in. to 3/8 in. (4.8 - 9.5 ram) slope toward the outside.
Refer to Fig. 12.
_[ i/ •
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Fig. 12 - Drilling for Connections
4. Drill hole for Fresh Air Intake, if required. Refer to Installa-
tion Options section for additional information.
NOTE: In rooms with high humidity, brackets should be
insulated using self-adhesive insulation.
INSTALL OUTDOOR UNIT
The outdoor units can be installed on the ground, on the roof, or
mounted on a wall.
NOTE: Install the unit so that the coil does not face into
prevailing winds. If this is not possible and constant wind
winds above 25 mph are expected, use accessory wind baffle.
See installation instructions provided with accessory kit. Wind
baffles should also be used on all units with accessory low
ambient temperature control.
Mounting
on Ground
1. Mount unit on a solid level concrete pad.
2. If a heat pump is being installed, use a field- provided snow
stand or ice rack where prolonged subfreezing temperatures
or heavy snow occurs.
3. Position unit so water or ice from roof does not fall directly
onto unit.
4. On cooling only units, an accessory stacking kit can be used
when units are to be stacked. See installation instructions
provided with the accessory kit.
Mounting
on Roof
PERSONAL INJURY AND/OR EQUIPMENT
DAMAGE HAZARD
Failure to follow this caution may result in personal injury
and / or equipment damage.
Be sure unit panels are securely in place prior to rigging.
1. Rig the unit. Keep the unit upright and lift using a sling.
Use cardboard or padding under the sling, and spreader bars
to prevent sling damage to the unit. See Fig 13. See Fig. 2
for center of gravity reference
2. Mount unit on a solid concrete pad or platform.
3. Isolate unit and piping from structure
4. If a heat pump is being installed, use a field- provided snow
stand or ice rack where prolonged subfreezing temperatures
or heavy snow occurs.
5. On cooling only units, an accessory stacking kit can be used
when units are to be stacked. See installation instructions
provided with accessory kit.
SUNG
SLING PADDING
COMPRESSOR
END
CENTER OF
GRAVmTY
Fig. 13 - Lifting []nit with Sling
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