8
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.
A
B
C
D
GPHM56041
688
630
150
194
165
121
33.5
27.6
Model
Shipping
Weight (lb)
Operating
Weight (lb)
Corner Weights (lb)
X (in) Y (in)
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
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
interanl 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
Conduit and fittings must be weather-tight to
prevent water entry into the building.
For unit protection, use a fuse or HACR
circuit breaker that
is in excess of the circuit ampacity, but less than or equal
to the maximum overcurrent protection device. DO NOT
EXCEED THE MAXIMUM OVERCURRENT DEVICE SIZE
SHOWN ON UNIT DATA PLATE.
Rated Voltage Minimum Supply
Voltage
Minimum Supply
Voltage
208/230V
197
253
All line voltage connections must be made through
weatherproof fittings. All exterior power supply and ground
wiring must be in approved weatherproof conduit.
The main power supply wiring to the unit and low voltage
wiring to accessory controls must be done in accordance
with these instructions, the latest edition of the National
Electrical Code (ANSI/NFPA 70), and all local codes and
ordinances.
The unit is factory wired for the voltage shown on the unit’s
data plate. Refer to model nomenclature in Appendix B for
voltage requirement for your unit.
