Three Phase Wiring Diagram - Chamberlain LiftMaster Professional BG770 Owner's Manual

To protect against fire and electrocution:
• DISCONNECT power BEFORE installing
or servicing operator.
• Replace ONLY with fuse of same type
of rating. Fuse 3.2A, 3AG, 250V, SLO-BLO
4
(YEL)
(GN)
SENSING
EDGE
3
(OR)
R1
(OR)
(GN)
(OR)
TIMER
(OPTIONAL)
TERMINAL BLOCK
WIRE CONNECTION FOR STANDARD CONTROL DEVICES
WIRE CONNECTION FOR STANDARD CONTROL DEVICES
J3 IS CONNECTOR FOR 24V OPEN LOOP DETECTOR
J4 IS CONNECTOR FOR 24V HOLD OPEN LOOP DETECTOR
NOTES:
1) TRANSFORMER PRIMARY VOLTAGE SAME AS OPERATOR LINE VOLTAGE
24V SECONDARY
2) WE RECOMMEND USING A DEDICATED CIRCUIT BREAKER FOR EACH OPERATOR.
WIRING DIAGRAM
(GN)
(BK)
L1
3–PHASE
INCOMING LINE
(SEE NOTE 2)
(W)
L2
(R)
L3
H1
115V
GEARBOX
HEATER
H2
(OPTIONAL EQUIPMENT)
(YEL)
AUTO/MANUAL
OPEN
OPEN LOOP–PRESENCE
(W)
J3–6
J3–4
AUX.
(OPTIONAL)
CLOSE L/S
(W)
GY
7
R1 R2
(GN)
(OR)
(GN)
OP
13 (OR)
14
(Y)
CLOSE
HOLD OPEN
LOOP–PRESENCE
J4–4 J4–6
(OPTIONAL)
CL
(R)
14 13
(BR) (R)
2 8
REMOVE JUMPER WHEN
TIMER IS ADDED
(BK)
CL OP
(W)
4 3 5
(W)
OP CL
(BK) (W)
1
4 3
OP
(BK) (W)
2 1
(W) CL
6 5
(W)
(W)
WIRE COLOR: 208V–(R),
230V–(OR), 480–(VT),
575V–(GY)
(BK)
SEE NOTE 1
FUSE 3.2A
24V SEC.
(W)
(PUR)
1
1) REMOVE JUMPER WHEN TIMER TO
CLOSE IS USED.
2) REMOVE JUMPER TO CAUSE GATE
ARM TO CLOSE IMMEDIATELY UNLESS
HOLD OPEN LOOP IS ACTIVATED
5
TD–2
(OR)
24V COIL
(GY)
(W)
10
R2 R1 TD1
(PUR)
(W) (BK) (PUR)
9
ADD JUMPER WHEN USING CLOSE BUTTON
DO NOT USE WITH HOLD OPEN LOOP
(BRN)
OPEN LOOP
J3–9 P1
(GY) LOOP WIRES
J3–10 P2
(OPTIONAL)
(BRN)
HOLD OPEN LOOP
J4–9 P3
LOOP WIRES
(GY)
J4–10 P4
(OPTIONAL)
APPLICATIONS:
CONTROL WIRING TYPE
FIELD WIRING & ADJUSTMENTS
MODEL TYPES:
HORSEPOWER:
VOLTAGE/PHASE:
DRAWING NUMBER:
DATE:
08/28/00
22
(GN)
7
1 4
(BL)
(R)
2 8 5
9
3 6
(BL)
(W)
(W)
MOTOR CONNECTION SAME
6
AS INCOMING POWER
(GN)
2
1 7 4
(BL)
(R)
2 8 5
9
3 6
(BL)
(W)
(GN)
1
(BL)
(R)
2
(BL) 3
(W)
O/L IN
MOTOR
(BL) (OR)
J1 J2
(BR)
R1
24V COIL
24V COIL
(BL)
(OR) CLOSE L/S
OP
C
NO
(OR)
TD1
24VAC
DPDT
(BL)
R2
24V COIL
24V COIL
(PUR)
CLOSE L/S (BL)
CL
C
NO
TD2
24VAC
DPDT
(BK)
J3–7
(BK)
J4–7
24V OPEN 24V HOLD
LOOP OPEN LOOP
(R)
J4–8
(R)
J3–8
(OPTIONAL EQUIPMENT)
BG770 (PG) BG790 (HBG)
1/2
208/230/480/575V
01-G1015
REVISION:
E-3/20/08
(1 of 2)
J
480V MOTOR
CONNECTION
J
J
208/230V
MOTOR
CONNECTION
J
J
575V MOTOR
CONNECTION
J
(OR)
1
ECN:
08-7165