LiftMaster MGJ MGJ S-SERIES Manual - Page 11

Schematic Diagram, Three Phase Schematic Diagram, Close, Control, Wiring, Options

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THREE PHASE SCHEMATIC DIAGRAM 1894 230V BRAKE (WHEN PRESENT) BRN GY PUR YEL BRN BL/BK 1 74 2 85 3 96 O/L* BL/BK 230 VOLT - 3 PHASE MOTOR CONNECTION (BK) L3 3 PHASE POWER IN L2 (BK) L1 (BK) 3 STOP (YEL) 19 OPEN (BR) EXTERNAL 4 INTERLOCK REMOVE JUMPER TO CONNECT SS90 FIRE DOOR CONTROLLER (GY) CL OP 4 3 OP 4 3 OP 2 1 CL 6 5 5 6 CL 1 2 (PUR) TO MOTOR (BK) (YEL) (BK) 5 (BRN) (YEL) 14 OP 1 (OR) 13 OVERLOAD (IN MOTOR) PRI. T1 (SEE NOTE #1) (BRN) 24VAC SEC. 18 (YEL) OPEN (OR) (OR) LIMIT SWITCH (OR) WIRE OP A1 A2 NC C NUT SAFETY AUX. CLOSE 20 EDGE 21 10 LIMIT SWITCH (GY) NC C (GY) (RED) R1 (RED) R3 (RED) (OR) R1 (OR) OPEN & CLOSE 7 (YEL) RADIO TO OPEN & CLOSE (OR) (YEL) R1 R2 17 CLOSE (RED) (OR) NC AUX. OPEN C LIMIT SWITCH REMOVE JUMPER TO CONNECT SS90 FIRE DOOR CONTROLLER (PUR) NO 23 (PUR) 2 (PUR) R1 (PUR) (PUR) CL A2 A1 14 CL 22 CLOSE LIMIT SWITCH NC C (RED) 13 NOTE: 1. Voltage same as line voltage. * - Shipped from Factory CLOSE CONTROL WIRING OPTIONS *C2 WIRING - Constant Presssure to Close RED WIRE ON TERMINAL #2 (Shipped from Factory) B2 WIRING - Momentary Contact to Close MOVE RED WIRE FROM TERMINAL #2 TO TERMINAL #3 (PUR) 11

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11
THREE PHASE SCHEMATIC DIAGRAM
4
3
5
6
1
2
4
3
2
1
6
5
L3
L2
(GY)
(PUR)
(YEL)
EXTERNAL
STOP
3
4
5
T1
24VAC
SEC.
PRI.
AUX. CLOSE
LIMIT SWITCH
NC
C
1
7
10
OPEN
SAFETY
EDGE
OPEN & CLOSE
LIMIT SWITCH
AUX. OPEN
C
NO
NC
LIMIT SWITCH
NC
C
TO MOTOR
POWER IN
L1
3 PHASE
INTERLOCK
OP
R1
OP
OP
CL
CL
OP
CL
OP
14
13
(IN MOTOR)
R1
OPEN & CLOSE
R2
R1
OPEN
CLOSE
2
14
13
CL
CL
LIMIT SWITCH
NC
CLOSE
C
R1
(BK)
(BK)
(BK)
(BRN)
(BR)
(YEL)
(OR)
(OR)
(OR)
(OR)
(RED)
(RED)
(OR)
(YEL)
(YEL)
(PUR)
(OR)
(PUR)
(PUR)
(PUR)
(PUR)
R3
(RED)
(BRN)
(YEL)
(OR)
(OR)
(SEE NOTE #1)
(RED)
(GY)
(GY)
RADIO TO
A1
A2
A2
A1
(YEL)
NUT
WIRE
(WHEN PRESENT)
230V BRAKE
2
3
YEL
BRN
BRN
PUR
GY
1
6
9
BL/BK
BL/BK
O/L
4
7
8
5
230 VOLT - 3 PHASE
MOTOR CONNECTION
*
NOTE:
1. Voltage same as line voltage.
(BK)
(BK)
OVERLOAD
(RED)
C2 WIRING
-
Constant Presssure to Close
RED WIRE ON TERMINAL #2 (Shipped from Factory)
B2 WIRING
-
Momentary Contact to Close
MOVE RED WIRE FROM TERMINAL #2 TO TERMINAL #3
*
CLOSE
CONTROL
WIRING
OPTIONS
-
Shipped from Factory
*
19
20
21
17
22
23
18
REMOVE JUMPER
TO CONNECT
SS90 FIRE DOOR
CONTROLLER
REMOVE JUMPER
TO CONNECT
SS90 FIRE DOOR
CONTROLLER
1894