6
MOTOR
TYPE:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Limited duty
HORSEPOWER:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2 HP
VOLTAGE:
. . . . . . . . . . . . . . . . . . . . . 115 Vac, Single Phase, 60 Hz
OPERATOR
CURRENT (Amperage):
Voltage-Phase
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1/2 HP
115-1Ø, 60Hz
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.2
ELECTRICAL
OPERATOR VOLTAGE:
. . . . . . . . . . . 115 Vac, Single Phase, 60 Hz
WIRING TYPE:
. . . . . . . . . . . . . . . . C2 (Standard) B2 Configurable
(See Basic Programming Section)
CONTROL WIRING:
. . . . . . . . . . . . . . . . . . . . . . . . . . . 16-22 AWG
SAFETY
DISCONNECT:
MH . . . . . . . . . . . . . . . . . . . . . . . . . . Floor level chain hoist for
manual chain hoist operation.
MJ. . . . . . . . . . . . . . . . . . . . . . . . . . . Floor level disconnect for
manual operation.
MHS . . . . Both MH and MJ type disconnects described above.
MGJ . . . . . . . . . . . . . . . . . . . . . . . . . Floor level disconnect for
manual operation.
ENTRAPMENT PROTECTION:
LiftMaster Monitored Entrapment Protection (LMEP)
Photoelectric Sensors (CPS-U):
. . . . . . . . . . . . . . . Through beam
used to provide non-contact safety protection.
Safety Edge (Optional):
. . . . . . . . . Electric or pneumatic sensing
device attached to the bottom edge of door.
(see Accessory Page 27)
MECHANICAL
DOOR SPEED:
. . . . . . . . . . . . . . Approximately 9" (23 cm) / second
depending on door setup
OUTPUT FORCE:
. . . . . . . . . . . . . . . . . . . . . . . . . .125 ft. lbs / sec.
MGJ ONLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ft. lbs / sec.
OUTPUT RPM:
MJ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 RPM
MH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 RPM
MHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38.6 RPM
MGJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 RPM
LIMIT ADJUST:
. . . . . . . . . . . . Fully adjustable up to 14' door Max
DUTY:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Cycles per Hour Max
50 Cycles per Day Max
DRIVE TRAIN:
. . . . . . . . . . . . . . . . . . . . Maintenance Free Bearings
MGJ ONLY . . . . . . . . . . . . . . . . . . . Maintenance Free Bearings
Wormgear-in-Oil-Bath Reducer
FINISH:
. . . . . . . . . . . . . Powder coated, Corrosion Resistant Steel
ENVIRONMENTAL
LOCATION:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . Indoor, dry location
OPERATING TEMPERATURE:
. . . . . . . . . . . . . . . . .-4˚ F to + 122˚ F
(-20˚ C to + 50˚ C)
UL Listed to 40˚ C: Chamberlain tested to 50˚ C
OPERATOR SPECIFICATIONS
Before beginning your installation check that all components were provided. Your model may look different than the model illustrated.
CARTON INVENTORY
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Installation Manual
Quickstart Guide
User’s Guide
Entrapment Warning Placard
Installation Hardware Bag, Complete with: Master links (2), Wall bracket (1), Fastener Bag (1)
Door sprocket
3-Button Station
Operator
Warning Placard
Operator Drive
Sprocket
Door/Operator
Chain
Hoist Hand Chain
Models MH and MHS ONLY
