Lift-Master GJWR User Manual
The Chamberlain Group, Inc.
©
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illinois 60126
OWNER'S MANUAL
MODEL GJWR/HJCR
WALL MOUNTED STARTER
NEMA 4
Refer to Model GJ & GJW or HJ & HJC
Serial #
(located on electrical box cover)
Installation Date
Wiring Type
ADDENDUM
Installation Instructions
COMMERCIAL DOOR OPERATOR
LISTED
®
NOT FOR RESIDENTIAL USE
PHYSICAL MOUNTING DIMENSIONS - MODEL GJWR
11
"
27
/16
(Without Clutch)
Max.
11
"
31
/16
Max.
(With Clutch)
13 1/32
10 29/32
"
"
"
2 3/4
3
"
4
/4
"
13 7/16
1
"
/2
5
Room Required to
Open Hinged
Electrical Box
"
10 1/8
14 3/4
"
2
PHYSICAL MOUNTING DIMENSIONS - MODEL HJCR
"
11 3/32
"
17 7/8
Max.
3"
"
13
"
3
/16
5 9/32
13
1
/32
3/4"
"
1
"
2
/32
15
"
/16
3
8"
19 13/16
17 1/2
"
13
1
"
5
/2
7
"
/16
"
3
"
/4
16
3
ELECTRICAL ENCLOSURE WALL MOUNTED
STARTER MODELS HJCR/GJWR
"
13 1/2
12
3
"
/4
6 7/32
"
10"
12 15/16
"
Important Notes
Please Read Before Proceeding
1. Make sure that the serial number on the operator limit switch cover matches the serial
number on the electrical enclosure cover.
2. All field installed wiring must be run using U.L. listed liquid tight conduit and connectors.
3. Install high voltage wiring and 24VAC (control and limit) wiring in separate conduits.
Installation
1. Install the operator motor and frame assembly according to the Owner's Manual for your
model operator, (either GJ or HJ).
2. Securely attach the electrical enclosure to the wall, adjacent to and within sight of the door.
See Figure 1.
3. Refer to Figure 1 and wiring diagrams for locations of conduit and wiring connections.
4
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