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Refer to the Roof Curb Installation Instructions for proper
curb installation. Curbing must be installed in compliance
with the National Roofing Contractors Association Manual.
To assist in determining rigging requirements, unit weights
and center of gravity are shown as follows:
WEIGHTS AND CENTER OF GRAVITY
Y
X
CG
COMPRESSOR
CONDENSER COIL
RETURN
EVAPORATOR COIL
B
C
D
A
SUPPLY
Corner and center of gravity locations
Note: Unit should be lifted at a point above center of
gravity.
Length
Width
A B
C
D
X (in) Y (in)
DBG0723VH
749
703
144 222
147
190
35.4 20.0
DBG0723VM
741
695
144
225
141
185 34.6 19.8
DBG0723VL
732
686
142 220
145 179 34.9 20.2
Model
Shipping
Weight (lbs)
Operating
Weight (lbs)
Corner Weights (lbs)
The numbers may slightly vary depending on installed
options.
CAUTION
To prevent severe damage to the bottom of the
unit, do not fork lift unit after wood struts
have been removed.
Bring condenser end of unit into alignment with the curb
first. Lower unit carefully onto roof mounting curb. When a
rectangular cantilever curb is used, care should be taken to
center the unit. Check for proper alignment and orientation
of supply and return openings with duct.
Rigging Removal
CAUTION
To prevent damage to the unit, do not allow
crane hooks and spreader bars to rest on the
roof of the unit.
Remove spreader bars, lifting cables and other rigging
equipment.
ELECTRICAL WIRING
WARNING
HIGH VOLTAGE!
Disconnect all power before
servicing or installing this unit.
Multiple power sources may be
present. Failure to do so may cause
property damage, personal injury or
death.
WARNING
HIGH VOLTAGE!
To avoid personal injury or death
due to electrical shock, do not
tamper with factory wiring. The
internal power and control wiring
of these units are factory-installed
and have been thoroughly tested
prior to shipment. Contact your
local representative if assistance is
required.
CAUTION
To prevent damage to the wiring, protect wiring
from sharp edges. follow national electrical
code and all local codes and ordinances. Do
not route wires through removable access
panels.
CAUTION
Conduit and fittings must be weather-tight to
prevent water entry into the building.
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