LiftMaster GH5HP 5 HP Heavy Industrial-Duty Gear-Reduced Hoist Operator - Manual (Page 7)

14 7
Remove the cover from the electrical enclosure. Inside this enclosure you will find the wiring diagram(s)
for your unit. Refer to the diagram (glued on the inside of the cover) for all connections described below.
If this diagram is missing, call the number on the back of this manual. DO NOT INSTALL ANY WIRING OR
ATTEMPT TO RUN THIS OPERATOR WITHOUT CONSULTING THE WIRING DIAGRAM.
POWER WIRING CONNECTIONS
WARNING
CAUTION
WARNING
WARNING
DISCONNECT POWER AT THE FUSE BOX BEFORE
PROCEEDING.
OPERATOR MUST BE PROPERLY GROUNDED AND
PERMANENTLY WIRED IN ACCORDANCE WITH
LOCAL ELECTRICAL CODES. NOTE: THE
OPERATOR SHOULD BE ON A SEPARATE FUSED
LINE OF ADEQUATE CAPACITY.
ALL ELECTRICAL CONNECTIONS MUST BE MADE
BY A QUALIFIED INDIVIDUAL.
WARNING
CAUTION
WARNING
WARNING
TO AVOID DAMAGE TO DOOR AND OPERATOR,
MAKE ALL DOOR LOCKS INOPERATIVE. SECURE
LOCK(S) IN "OPEN" POSITION.
IF THE DOOR LOCK NEEDS TO REMAIN
FUNCTIONAL, INSTALL AN INTERLOCK SWITCH.
1. Be sure that the power supply is of the correct
voltage, phase, frequency, and amperage to supply
the operator. Refer to the operator nameplate on the
cover, and motor nameplate.
2. Recommended conduit entrance to be 7/8”
Dia. to be drilled by installer. Take care not to
damage the internal components, see below. Bring
supply lines to the operator and connect wires to the
terminals indicated on the WIRING CONNECTIONS
DIAGRAM.
DO NOT TURN POWER ON UNTIL YOU HAVE
FINISHED MAKING ALL POWER AND CONTROL
WIRING CONNECTIONS AND HAVE COMPLETED
THE LIMIT SWITCH ADJUSTMENT PROCEDURE.
IMPORTANT: THIS UNIT MUST BE PROPERLY
GROUNDED. A GROUND SCREW IS SUPPLIED IN
THE ELECTRICAL BOX FOR CONNECTION OF
THE POWER SUPPLY GROUND WIRE. FAILURE
TO PROPERLY GROUND THIS UNIT COULD
RESULT IN ELECTRIC SHOCK AND SERIOUS
INJURY.
POWER WIRING
WARNING
Do Not Run Power &
Control Wiring in the
Same Conduit
Recommended location for
7/8” Dia Holes for
power wiring conduit access
REPAIR PARTS KITS – ELECTRICAL BOX
K74-18346 LIMIT SHAFT ASSEMBLY KIT
Item
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
Description
Limit Shaft
Flange Bearing
Bearing Seal, 3/8” I.D.
Limit Nut
Neoprene Gasket
Sprocket 48B18 x 3/8” Bore
Washer, Shim
Screw, #8-32
Nut , #8-32 Serrated Flange
Roll Pin, 1/8 DIA. x 1” Long
E Ring, 3/8” Qty
1
2
2
2
2
1
32
4
4
1
2
P/N
11-10480
12-10481
12-10483
13-10024
13-10516
15-48B18AXX
80-10026
82-PX08-10T
84-FN-08
86-RP04-100
87-E-038
COMPLETE ELECTRICAL BOX KITS
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Description
Contactor
Din Rail
Electrical Panel (Reworked)
Transformer 230/460V 3 HP
24VAC DPDT Relay
24VDC DPDT Relay
(See Overloads)
Contact Block
Fuse 4 Amp 125V
Terminal Block, 14 Position
Enclosure 12 x 10 x 6
Washer, #8 Terminal
Screw, #10-32 x 3/8” Long
Screw, #8-32 x 1/4” Long
Screw, #8-32 x 11/16” Long
Screw, #8-32 x 3/8” Long
Flatwasher, #10
Lockwasher, #10 Qty
1
1
1
1
1
1
1
2
1
1
1
1
4
8
6
2
4
4
P/N
03-8224-D
03-ABDIN-4
10-10477-1
21-xxxx
24-24-1
24-264-4
25-xxxx
27-8002-D
35-204
42-114
44-18194
80-10054
82-HS10-06
82-PX08-04T
82-PX08-10T
82-WS08-06G
85-FW-10
85-LS-10
Below are replacement kits available for your operator. For replacement of electrical box, motor or brake components be sure
to match model number of your unit to kit number below to ensure proper voltage requirements. Optional modifications and/or
accessories included with your operator may add or remove certain components from these lists. Please consult a parts and
service representative regarding availability of individual components of kits specified below. Refer to page 11 for all repair
part ordering information.
Overloads
25-4018-D Overload Model GH5HP23M
25-4010-D Overload Model GH5HP43M
25-4008-D Overload Model GH5HP53M
Transformers
21-3460-1 Model GH5HP23M &
Model GH5HP43M
21-3575-1 Model GH5HP53M
Item
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S12
P/N
10-10476
10-10478
10-12553
18-10036
23-10041
31-12378
82-PX04-12
82-PX04-20
82-PX06-16
82-PX08-04T
84-LH-06
Description
Depress Plate
Aux. L/S Mtg. Bracket
Nut Plate, Switch
Spring, Depress Plate
Limit Switch
Standoff, Limit Switch
Screw, #4-40 x 3/4” Long
Screw, #4-40 x 1-1/2” Long
Screw, #6-32 x 1” Pan Hd Phillips
Screw, #8-32 x 1/4” Long
Locknut, #6-32 Nylon Hex
K72-18345 LIMIT SWITCH ASSEMBLY KIT
Qty
1
1
4
2
4
4
4
4
2
2
2
Electrical Box Kits
74-17965 Model GH5HP23M
74-17966 Model GH5HP43M
74-18081 Model GH5HP53M