Lift-master N7MODEL NO. User Manual
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.
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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