Carrier 50PG20 Installation Instructions Manual page 4

CAUTION: NOTICE TO RIGGERS:
ALL PANELS MUST BE IN PLACE WHEN RIGGING.
NOTICE TO RIGGERS: Rig by inserting hooks into unit base rails as shown. Maintain a distance
of 120 inches (3048 MM) from top of unit to eyehook. Leave coil cover attached to unit while
rigging to protect coil of unit from damage.
Roof Mount
Check building codes for weight distribution requirements. Unit
operating weight is shown in Table 1.
Installation Onto Curb
The 50PG units are designed to fit on the accessory full perimeter
curb. Correct placement of the unit onto the curb is critical to
operating performance. To aid in correct positioning,
diameter locating holes have been added to the unit base rails.
When placing the unit, these holes should line up with the roof
curb edge as shown in Fig. 4 and 5, to assure proper duct opening
alignment. For placement on the curb, use the alignment holes
located approximately 2-in. from the end of the base rail on the
return end of the unit. See labels on the side of the unit for more
details.
ALIGNMENT
HOLE
(IN BASE RAIL)
EDGE FLANGE
Fig. 4 --- Alignment Hole Details
Fig. 3 --- Rigging Details
3
/ -in.
8
ALIGNMENT
HOLES FOR
CURB-BOTH
SIDES
ALIGNMENT
UNIT DAMAGE HAZARD
HOLE SHOULD
LINE UP WITH
Failure to follow this caution may result in equipment
ROOF CURB
damage.
EDGE FLANGE
Do not slide unit to position when it is sitting on the curb.
Curb gasketing material may be damaged and leaks may
result.
C06276
4
SUPPLY
RETURN
OPENING
OPENING
CURB
CURB
RETURN
SUPPLY
OPENING
OPENING
ROOF CURB
Fig. 5 --- Alignment Hole Location
CAUTION
!
C07241
C06277