6
Figure 4. Minimum Clearances
CAUTION:
All panels must be securely in place
when rigging and hoisting.
The rigging must be located outside the unit’s
center of gravity. Refer to
Figure 3
for center of
gravity locations.
Rooftop —
For rooftop installations use the
appropriate accessory roof curb and follow all
instructions included with it. Make sure the two
supports beneath the unit have been removed.
Locate the unit according to local building codes
and ordinances. The curb must be level to insure
proper condensate drainage.
See Figure 7
.
The roof must be capable of handling the weight of
the unit.
See Figure 3
for unit weights. Reinforce
the roof if required.
AIR DUCTS
This unit is designed only for use with a supply
and return duct. Air ducts should be installed in
accordance with the standards of the National
Fire Protection Association “Standard for
Installation of Air Conditioning Systems” (NFPA
90A), “Standard for Installation of Residence Type
Warm Air Heating and Air Conditioning Systems”
(NFPA 90B), and all applicable local codes.
Design the duct work according to methods
described by the National Warm Air Heating
Rigging and Hoisting —
The unit should be lifted
using slings and spreader bars. The spreader
bars are necessary to prevent damaging the
top of the unit’s cabinet. Make sure that the
lifting equipment is adequate for the load. Refer
to
Figure 3
for unit weights. Keep the unit in
an upright position at all times.
For rooftop
installations, remove and discard the two
supports attached beneath the unit.
WARNING:
To avoid the risk of property damage
or personal injury; it is the rigger’s
responsibility to insure that whatever
means are used to hoist the unit are
safe and adequate.
Condensate Drain
Figure 5. Condensate Drain
36"
36"
0"
36"
72"
