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13 Carton Inventory/Operator Specifi cations - Hoist and Jackshaft
CARTON INVENTORY
Before beginning installation confi rm all components are enclosed.
DESCRIPTION
Powerhead assembly
Installation manual and caution labels
Hardware box (includes fasteners)
3-Button Control Station with MAS LED
LiftMaster Monitored Entrapment Protection (LMEP)*
Hoist hand chain (Models H, HJ and GH ONLY)
Door sprocket (with setscrew and keyway)
Door/operator drive chain
* Based on customer order.
** Additional accessories may be included.
HOIST AND JACKSHAFT OPERATORS
OPERATOR SPECIFICATIONS
DUAL VOLTAGE CONNECTIONS
Increase fl exibility by enabling the installer to select the required
voltage, within phase, to meet job-site requirements.
MODEL VOLTAGE HZ HP PHASE
115V
208V
230V
460V
575V
60
1/3
1/2
3/4
1
1-1/2
2
3
1
3
H•••••••••• ••
J•••••••••• ••
HJ • • • • • • • • • • •
GH • • • • • • • • • • • • • •
TYPE: Continuous duty
ELECTRICAL
TRANSFORMER: 24Vac Secondary
CONTROL STATION: NEMA 1 General Purpose 3-Button Control
Station Open/Close/Stop w/LED
WIRING TYPE: C2 (Factory default), B2, T, TS, D1, E2 and
FSTS. See page 28 for more information
regarding wiring types.
BRAKE: J Standard on 3/4 and 1 HP operators
(optional on 1/2 HP, not available on 1/3
H Standard on 3/4 and 1 HP operators.
(optional on 1/2 HP; not available on 1/3
HP).
Standard on all GH operators.
DISCONNECT: Model J - Floor level disconnect for
manual door operation.
Models H and GH - Floor level chain hoist
with electrical interlock for manual door
operation.
Model HJ - Includes both fl oor level
disconnect systems stated above.
MECHANICAL
DRIVE REDUCTION:
Model J, H, and HJ - Primary: Heavy duty (5L) V-Belt
Secondary: #48 chain/sprocket;
Output: #50 chain
Model GH - Primary: 45:1 for 1/2, 3/4 and 1 HP
Worm gear-in-oil bath gear reducer 44:1 for
1-1/2 and 2 HP 42:1 for 3 HP
Output: #50 chain
DOOR SPEED: Model J, H and HJ - 8-9" (20-23 cm) per
second depending on door
Model GH - 8-9" (20-23 cm) per second
depending on door
LIMIT ADJUST: Linear driven with adjustable limit nuts up to
24 feet (7.3 m).
BEARINGS: Models H and HJ - Industrial ball bearings on
output shaft, heavy-duty oil-fi lled bushing on
reduction shafts.
Model J - Industrial ball bearings on 1"
(2.5 cm) output shaft; heavy-duty oil-fi lled
bushings on reduction shafts.
Model GH - Sealed roller bearings in gear
reducer.
HAND CHAIN WHEEL: H, HJ, and GH only. Ordered Left or Right
for H, HJ, and 3 HP GH. Switchable in
fi eld for GH 1/2 through
2 HP.
To prevent possible SERIOUS INJURY, DEATH, or uncontrolled
descent of the door:
• When installing a jackshaft-style operator on a sectional door,
additional precautions MUST be taken to assure that proper
door cable tension is present throughout the ENTIRE travel of
the door.
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