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Step 4 —Rig and Place Unit
Inspect unit for transportation damage, and file any claim with
transportation agency. Keep unit upright and do not drop.
Spreader bars are not required if top crating is left on unit, and
rollers may be used to move unit across a roof. Level by using
unit frame as a reference. See Table 1, 2 and Fig. 6 for additional
info rmation. Operating weight is shown in Table 1, 2 and Fig. 6.
Lifting holes are provided in base rails as shown in Fig. 7. Refer
to rigging instructions on unit.
PERSONAL INJURY AND PROPERTY DAMAGE
HAZARD
Failure to follow this warning could result in personal
injury, death and property damage.
All panels must be in place when rigging and lifting.
!
WARNING
Positioning
Maintain clearance around and above unit to provide minimum
distance from combustible materials, proper airflow, and service
access. (See F ig. 7, 8 and 9.)
Position unit on roof curb so that the following clearances are
maintained:
1
/
4
in. clearance between the roof curb and the base
rail inside the front and r ear, 0.0 in. clearance between the roof
curb and the base rail inside on the duct end of the unit. This will
result in the distance between the roof curb and the base rail
inside on the condenser end of the unit being approximately
equal to Fig. 2, section C-C.
Do not install unit in an indoor location. Do not locate unit air
inlets near exhaust vents or other sources of contaminated air.
MAXIMUM ALLOWABLE
DIFFERENCE (in.)
A-B B-C A-C
0.5 1.0 1.0
C06110
Fig. 3 --- Unit Leveling Tolerances
DRAIN PLUG
CONDENSATE PAN (SIDE VIEW)
HORIZONTAL
DRAIN OUTLET
NOTE: Drain plug is shown in factory-installed position.
C06003
Fig. 4 --- Condensate Drain Connection
NOTE: Trap should be deep enough to offset maximum unit static
difference. A 4-in. trap is recommended.
C06004
Fig. 5 --- Condensate Dra in Piping Details
Although unit is weatherproof, guard against water from higher
level runoff and overhangs.
After unit is in position, remove polyethylene shipping wrapper
and t op crating.
50HE,HJ