6
5
6-3/16
7-3/8
SUPPLY
12" X 17"
RETURN
11" X 25"
H
• Unit must be lifted by the four lifting holes located at
the base frame corners.
• Lifting cables should be attached to the unit with shackles.
• The distance between the crane hook and the top of
the unit must not be less than 60”.
• Two spreader bars must span over the unit to
prevent damage to the cabinet by the lift cables.
Spreader bars must be of sucient length so that
cables do not come in contact with the unit during
transport. Remove wood struts mounted beneath
unit base frame before setting unit on roof curb.
These struts are intended to protect unit base frame
from fork lift damage. Removal is accomplished by
extracting the sheet metal retainers and pulling the
struts through the base of the unit. Refer to rigging
label on the unit.
Refer to the Roof Curb Installation Instructions for proper
curb installation. Curbing must be installed in compliance
with the National Roong Contractors Association Manual.
To assist in determining rigging requirements, unit weights
and center of gravity are shown as follows:
X
CG
C
D
595 537 119 160 123 135
648 590 150 167 113 160
664 606 158 166 105 177
715 657 134 149 217 157
DRH036 653 595 92 224 173 106
DRH048 679 621 166 176 112 167
DRH060 688 630 150 194 165 121
DRH072 766 708 227 162 82 237
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