Chamberlain GH Owner's Manual page 14

BL/BK
BRN
GY
7
1 4
PUR
2 8 5
*
O/L
YEL 9
3 6
BRN
BL/BK
230 VOLT - 3 PHASE
MOTOR CONNECTION
L3
3 PHASE
L2
POWER IN
L1
3 STOP
(YEL)
OPEN
SAFETY EDGE
R1
(OR)
(OR)
OPEN & CLOSE
RADIO TO
(YEL)
OPEN & CLOSE
(OR)
R1
R2
CLOSE
(PUR)
TIMER TO CLOSE
(OPTIONAL)
(RED)
NOTE:
1. Voltage same as line voltage
2. Overload in motor for models up to 3/4 Hp, located in limit box for 1 Hp and above.
THREE PHASE SCHEMATIC DIAGRAM
BRN
GY
PUR
YEL
BRN
- SEE NOTE #2
*
460 VOLT - 3 PHASE
MOTOR CONNECTION
OVERLOAD
(SEE NOTE #2)
(BK)
(BK)
(BK)
(BR)
EXTERNAL
INTERLOCK
4 5
(BRN)
(YEL)
1
(OR)
AUX. CLOSE
LIMIT SWITCH
10
(GY)
(GY)
NC C
(OR)
NC
7
AUX. OPEN
(YEL)
LIMIT SWITCH
C
NO
(PUR)
2
(PUR)
(PUR)
(RED)
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
BL/BK
7
1 4
2 8 5
*
O/L
9
3 6
BL/BK
CL
3
4
OP
4 3
OP
2 1
CL
6 5
HAND CHAIN
OVERLOAD
INTL'K SWITCH
(SEE NOTE #2)
(WHEN PRESENT)
NC
C
(BRN)
14
OP
13
(OR)
OP
A1 A2
(RED)
R1
R1
(PUR) (PUR)
CL
A2 A1
14
CL
13
- Shipped from Factory
*
14
1742-3
BL/BK
GY 1
BRN
*
PUR 2
O/L
BRN
YEL
3
BL/BK
575 VOLT - 3 PHASE
MOTOR CONNECTION
(GY)
OP
5 6
CL
1 2
(PUR)
(YEL)
(BK)
(BK)
PRI.
T1 (SEE NOTE #1)
(BRN)
24VAC
SEC.
(YEL)
OPEN
LIMIT SWITCH
WIRE
(OR) (OR)
NUT
C
NC
R3
(RED)
(RED)
CLOSE
LIMIT SWITCH
(PUR)
(PUR)
NC
C
TO MOTOR