LiftMaster GH5HP 5 HP Heavy Industrial-Duty Gear-Reduced Hoist Operator - Manual (Page 19)

2
SPECIFICATIONS
19
SAFETY
REVERSING EDGE:.......(Optional) Electric or pneumatic
sensing device attached to the bottom edge of door.
A REVERSING EDGE IS STRONGLY RECOMMENDED
FOR
ALL COMMERCIAL OPERATOR INSTALLATIONS.
REQUIRED WHEN THE 3 BUTTON CONTROL STATION
IS OUT OF SIGHT OF DOOR OR ANY OTHER
CONTROL (AUTOMATIC OR MANUAL) IS USED.
MOTOR
TYPE: ....................................AC Synchronous
continuous duty
brake motor
ENCLOSURE:.......................ODP NEMA 184TC face
mount.
HORSEPOWER: ...................5 HP
Three phase
SPEED: .................................1725 RPM
VOLTAGE: .............................208/230 & 460 Three phase
OR 575V Three Phase
BRAKE HOLDING
FORCE:.................................15 Ft-Lbs
DRIVE SYSTEM
CONTINUOUS
POWER RATING: .................1000 Ft-Lbs/Sec
GEAR BOX: ..........................Worm gear
LUBRICATION: .....................Oil Bath
RATIO: ..................................45:1
OUTPUT SPEED: .................38 rpm
DOOR SPEED: .....................5” per sec.
depending on door
OUTPUT SHAFT:..................1.5” Dia. with 3/8” keyway
OVERHUNG LOAD:..............1752 Lbs.
(1.5” from output bearing face)
HOIST WHEEL: ....................Standard mounting on
left or right side.
DISCONNECT:......................Floor level chain hoist with
electrical interlock for
emergency manual door
operation.
ELECTRICAL
TRANSFORMER: ...............3PH: 208/230/480 VAC 24VAC
OR 3PH: 575VAC-24VAC
CONTROL STATION: ........NEMA 1 three button station.
OPEN/CLOSE/STOP
WIRING TYPE: ...................Standard C2 Wiring- Standard
operators are shipped from the factory set for C2 wiring,
which requires momentary contact to open, constant
pressure to close, stop on release.
Optional B2 Wiring- Which requires momentary contact to
open, close and stop. See schematic diagram on page 12
for instructions on how to configure the operator for B2
wiring
Wiring for sensing device to reverse and auxiliary devices to
open and close with open override.
LIMIT ADJUST: ..................Rotary driven, fully
adjustable screw type cams. Adjustable to 50 feet.
(Provides 2 minutes of operator running time).
DUTY CYCLE: ....................25 Reversing cycles per hour
DELAY ON REVERSE:.......Standard
OPERATOR NOTES
18.00”
See
Note #1
7.87”
11.61”
8.50”
40.25”
26.38”
WEIGHTS AND DIMENSIONS
HANGING WEIGHT: .......300 LBS.
SHOULD THE CHAIN OR OPERATOR FAIL AS AN
ADDED SAFETY FEATURE, IT IS RECOMMENDED TO
USE STOP LOCK BEARINGS ON THE DOOR SHAFT
TO PREVENT THE DOOR FROM CRASHING DOWN.
NOTES:
1) Output Shaft 1.5” Dia. with 3/8” Keyway.
Hand Chain Wheel
2.38”