Lift-master N7MODEL NO. User Manual

Page 1
NEMA 7 MODIFICATION
ADDENDUM
This addendum is to be used in conjunction with the owner’s manual included with this operator. Refer to the manual for all mounting instructions. Refer to wiring diagram sup­plied with operator in lieu of owners manual. The NEMA 7 modification includes a haz­ardous area motor and separate wall-mounted starter with intrinsically safe control circuit. Since the control circuit is intrinsically safe, control circuit components (limit switches, control station) are housed in general purpose enclosure. A Dynamic Brake and Delay­on-Reverse circuit is also included. For service or replacement par t requirements, use this addendum in lieu of those included with the manual.
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ILLUSTRATED PARTS

19
EXPLOSION PROOF ENCLOSURE
GENERAL PURPOSE ENCLOSURE
(Intrinsically Safe Enclosure)
19
16
17
11
7
14
20
18
24
23
8
9
1
6
21
2
15
13
10
12
4
5
22
3
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1 2 3 4 5 6 7 8
9 10 11 12
03-8024-D 10-10013 10-1XXXX 15-48B9AXX 10-1XXXX 10-11842 10-11843 27-100 27-101 11-10021 11-11841 12-10028
TEL 24V Reversing Contactor Depress Plate Electrical Box Sprocket, #48B9 3/8” Bore Electrical Box Cover EX.PR. Sub Panel EX. PR. Bracket EX. PR. Junction Box Junction Box Cover Limit Shaft Post, Standoff Flange Bearing
Below is a parts list for a standard NEMA 7 enclosure for models T, J, H, GH, GSD, SD and GT. Optional modifications and/or accessories may add or remove certain parts from this list. Refer to own­ers manual for all repair part ordering information.
1 1
See Chart
1 1 1 1 1 1 1 2 2
14
5
3
REPAIR PARTS LIST – ELECTRICAL BOX AND EXPLOSION PROOF BOX
21-7115
21-7460
21-7575
10-13899 10-10115
10-13792 10-13790 10-13900
Transformer,
2-12HP,
1
φ
115/230V Transformer,
a-:Hp,1-2Hp
230/460V 3
φ
Transformer,
1-2Hp
575V 3
φ
Electrical Box Cover Electrical Box Cover
Electrical Box (Cube) Electrical Box (Tabs) Electrical Box (Tabless)
T AND SD
GT, GH AND GSD
ITEM PART NO. DESCRIPTION QTY
13 14 15 16 17 18 19 20 21
22 23
24 25
13-10024 21-XXXXX 23-10041 24-264-4 24-24-03
27-8004-D 29-17A3CO
29-448 31-10043 42-110 44-810-7
76-11850 25-XXXX
Limit Nut Transformer Limit Switch Relay, Small 24VAC DPDT Relay Contactor Block Safe Pack Bridge Rectifier Standoff, Limit Switch 10 Pos.Terminal Block Explosion Proof Enclosure
Hub Assembly Overload
2
See Chart
4 1 1 2 2 1 8 1 1
1 1
ITEM PART NO. DESCRIPTION QTY
ITEM PART NO. DESCRIPTION /
OPERA T OR SPECIFICATIONS
H AND J
T, SD, GSD, GT
H AND J
(Cube Style)
25-2006
6 Amp
25-2008
8 Amp
25-2010
10 Amp
25-2015
15 Amp
25-2025
25 Amp
25-4002-5D
1.6-2.5 Amp
25-4003-D
2.6-3.7 Amp
25-4004-D
2.5-4.0 Amp
25-4008-D
5.5-8.0 Amp
25-4011-5D
8.0-11.5 Amp
OVERLOADS
OPERATOR
5011 5021 5025 7511 7521 7525 1011 1021 1023 1043 1053 1025 1038 1511 1521 1523 1543 1553 1525 1538 2023 2043 2053 2038 3023 3043 3038
ITEM 8 ITEM 9
USED ON
OPERATOR
MODELS
Page 4
2003, The Chamberlain Group, Inc.
All rights Reserved
01-11859C
1/3 HORSE POWER
CIRCUIT TYPE
MODEL
3311 L or M 115 1 60 K20-1033B2X 3321 L or M 230 1 60 K20-1033B2X 3323 L or M 208/230 3 60 K20-3033B4X 3343 M 460 3 60 K20-3033B4X 3353 M 575 3 60 K20-3033M5X 3325 M 230 1 50 K20-51033BX 3338 M 380 3 50 K20-3033B4X
VOLTS PHASE HZ MOTOR KIT REQ
NEMA 7/9
Motor Kits for Models T, J, SD and H
(Std. Duty Belt Drive Style Operators)
1/2 HORSE POWER
CIRCUIT TYPE
MODEL
5011 L or M 115 1 60 K20-1050B2X 5021 L or M 230 1 60 K20-1050B2X 5023 L or M 208/230 3 60 K20-3050B4X 5043 M 460 3 60 K20-3050B4X 5053 M 575 3 60 K20-3050M5X 5025 M 230 1 50 K20-51050BX 5038 M 380 3 50 K20-3050B4X
VOLTS PHASE HZ MOTOR KIT REQ
3/4 HORSE POWER
CIRCUIT TYPE
MODEL
7511 L or M 115 1 60 K20-1075B2X 7521 L or M 230 1 60 K20-1075B2X 7523 L or M 208/230 3 60 K20-3075B4X 7543 M 460 3 60 K20-3075B4X 7553 M 575 3 60 K20-3075B5X 7525 M 230 1 50 K20-51075BX 7538 M 380 3 50 K20-3075B4X
VOLTS PHASE HZ MOTOR KIT REQ
1 HORSE POWER
CIRCUIT TYPE
MODEL
1011 L or M 115 1 60 K20-1100B2X 1021 L or M 230 1 60 K20-1100B2X 1023 L or M 208/230 3 60 K20-3100B4X 1043 M 460 3 60 K20-3100B4X 1053 M 575 3 60 K20-3100B5X
VOLTS PHASE HZ MOTOR KIT REQ
1/2 HORSE POWER
CIRCUIT TYPE
MODEL
5011 L or M 115 1 60 K20-1050C2X 5021 L or M 230 1 60 K20-1050C2X 5023 L or M 208/230 3 60 K20-3050C4X 5043 M 460 3 60 K20-3050C4X 5053 M 575 3 60 K20-3050M5X 5025 M 230 1 50 K20-51050CX 5038 M 380 3 50 K20-3050C4X
VOLTS PHASE HZ MOTOR KIT REQ
3/4 HORSE POWER
CIRCUIT TYPE
MODEL
7511 L or M 115 1 60 K20-1075C2X 7521 L or M 230 1 60 K20-1075C2X 7523 L or M 208/230 3 60 K20-3075C4X 7543 M 460 3 60 K20-3075C4X 7553 M 575 3 60 K20-3075C5X 7525 M 230 1 50 K20-51075CX 7538 M 380 3 50 K20-3075C4X
VOLTS PHASE HZ MOTOR KIT REQ
1 HORSE POWER
CIRCUIT TYPE
MODEL
1011 L or M 115 1 60 K20-1100C2X 1021 L or M 230 1 60 K20-1100C2X 1023 L or M 208/230 3 60 K20-3100C4X 1043 M 460 3 60 K20-3100C4X 1053 M 575 3 60 K20-3100C5X 1025 M 230 1 50 K20-51010CX 1038 M 380 3 50 K20-3100C4X
VOLTS PHASE HZ MOTOR KIT REQ
1-1/2 HORSE POWER
CIRCUIT TYPE
MODEL
1511 M 115 1 60 K20-1150C2X 1521 L or M 230 1 60 K20-1150C2X 1523 L or M 208/230 3 60 K20-3150C4X 1543 M 460 3 60 K20-3150C4X 1553 M 575 3 60 K20-3150C5X 1525 M 230 1 50 K20-51015CX 1538 M 380 3 50 K20-3150C4X
VOLTS PHASE HZ MOTOR KIT REQ
2 HORSE POWER (GH ONLY)
CIRCUIT TYPE
MODEL
2023 L or M 208/230 3 60 K20-3200C4X 2043 M 460 3 60 K20-3200C4X 2053 M 575 3 60 K20-3200C5X 2038 M 380 3 50 K20-3200C4X
VOLTS PHASE HZ MOTOR KIT REQ
3 HORSE POWER (GH ONLY)
CIRCUIT TYPE
MODEL
3023 M 208/230 3 60 K20-3300C4X 3043 M 460 3 60 K20-3300C4X 3038 M 380 3 50 K20-3300C4X
VOLTS PHASE HZ MOTOR KIT REQ
NEMA 7/9
Motor Kits for Models GT, GSD, and GH
(Gear Reduced Style Operators)
MOTOR REPLACEMENT KITS
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