LiftMaster BG790 BG790 Manual - Page 21

Wiring Diagram

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WIRING DIAGRAM 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 (GN) (W) L2 1 PHASE INCOMING LINE (SEE NOTE 3) (BK) L1 (W) H1 115V ACCESSORIES H2 (W) 115V ONLY (BK) 0/L (BK) (BK) IR SEE NOTE 2 (BK) 115V ONLY (BK) (W) CL 43 4 OP 3 2 OP 1 6 CL 5 (OR) 230V ONLY (YEL) (YEL) AUTO/MANUAL OPEN OPEN LOOP-PRESENCE (GN) (W) J3-4 J3-6 SENSING EDGE (OPTIONAL) AUX. (W) CLOSE L/S (GY) 3 7 1 (OR) R1 (GN) R2 (GN) 5 (OR) 14 OP 13 (OR) R1 (Y) IR (OR) CLOSE SEE NOTE 1 24V SEC. (W) (PUR) 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. (OR) OP 56 1 CL 2 (1 of 2) MOTOR CONNECTION SAME AS INCOMING POWER. FOR BG770, INTERCHANGE GREEN AND RED WIRES (GN) BR (BK) (W) BR (R) 115V MOTOR CONNECTION YW 4 2 8 BK 5 OR BL 1 3 O/L SEE NOTE 4 (GN) W BR 4 (BK) R 8 (W) BK Y BL BR 523 (R) OR 1 O/L SEE NOTE 4 230V MOTOR CONNECTION (BL) FUSE 3.2A R1 24V COIL (BR) 6 (OR) OPEN L/S (BL) OP NO C 24V COIL (GN) (OR) TIMER (OPTIONAL) CL 14 13 J4-4 (R) HOLD OPEN LOOP-PRESENCE (OPTIONAL) (R) J4-6 (BR) IR 2 (R) R2 (W) 8 10 (BK) 9 (GY) R1 (PUR) REMOVE JUMPER WHEN TIMER IS ADDED ADD JUMPER WHEN USING CLOSE BUTTON DO NOT USE WITH HOLD OPEN LOOP R2 24V COIL CL 24V COIL (BL) CLOSE L/S (BL) NO C TERMINAL BLOCK WIRE CONNECTION FOR STANDARD CONTROL DEVICES WIRE CONNECTION FOR OPTIONAL DEVICES WIRE CONNECTION FOR 230V UNITS ONLY J3 IS CONNECTOR FOR 24V OPEN LOOP DETECTOR J4 IS CONNECTOR FOR 24V HOLD OPEN LOOP DETECTOR (BRN) J3-9 P1 (GY) J3-10 P2 (BRN) J4-9 P3 (GY) J4-10 P4 OPEN LOOP LOOP WIRES (OPTIONAL) HOLD OPEN LOOP LOOP WIRES (OPTIONAL) (R) J3-7 (R) J4-7 24V OPEN LOOP 24V HOLD OPEN LOOP (BK) (BK) J4-8 J3-8 (OPTIONAL EQUIPMENT) 1 NOTES: 1) TRANSFORMER PRIMARY VOLTAGE SAME AS OPERATOR LINE VOLTAGE 24V SECONDARY. 2) RELAY COIL VOLTAGE SAME AS OPERATOR LINE VOLTAGE. 3) WE RECOMMEND USING A DEDICATED CIRCUIT BREAKER FOR EACH OPERATOR. 4) BROWN WIRES INSIDE MOTOR NOT USED, SHOULD BE WIRE NUTTED. APPLICATIONS: CONTROL WIRING TYPE L2 MODEL TYPES: FIELD WIRING BG770, BG790 HORSEPOWER: VOLTAGE/PHASE: 1/2 115/230V, 60Hz, 1 PHASE ONLY DRAWING NUMBER: DATE: 08/28/00 01-G1014 REVISION: F-3/20/08 ECN: 08-7165 21

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21
08/28/00
NOTES:
1) TRANSFORMER PRIMARY VOLTAGE SAME AS OPERATOR LINE VOLTAGE
24V SECONDARY.
2) RELAY COIL VOLTAGE SAME AS OPERATOR LINE VOLTAGE.
3) WE RECOMMEND USING A DEDICATED CIRCUIT BREAKER FOR EACH OPERATOR.
APPLICATIONS:
MODEL TYPES:
DRAWING NUMBER:
DATE:
REVISION:
ECN:
HORSEPOWER:
VOLTAGE/PHASE:
CONTROL WIRING TYPE L2
FIELD WIRING
1/2
115/230V, 60Hz, 1 PHASE ONLY
01-G1014
F-3/20/08
BG770, BG790
(GN)
08-7165
115V
ACCESSORIES
(W)
(BK)
WIRING DIAGRAM
MOTOR CONNECTION SAME
AS INCOMING POWER.
FOR BG770, INTERCHANGE
GREEN AND RED WIRES
115V MOTOR
CONNECTION
230V MOTOR
CONNECTION
230V ONLY
(GN)
(BK)
(W)
(R)
Y
W
2
4
BR
BR
BR
BR
8
BK
5
OR
BL
3
1
W
4
R
8
BK
Y
BL
2
3
5
OR
1
(R)
(W)
(BK)
(GN)
6
5
OP
OP
1
2
CL
(OR)
CL
CL
3
3
4
4
OP
1
2
5
6
(BL)
FUSE 3.2A
115V ONLY
115V ONLY
(BK)
(BK)
(BK)
(BK)
(BK)
0/L
IR
L2
L1
H1
H2
7
IR
IR
1
5
14
J4–4
J4–6
10
2
J3
J4
14
13
13
J3–6
J3–4
3
SEE NOTE 2
SEE NOTE 1
(W)
(Y)
(YEL)
(PUR)
(OR)
(GY)
(BL)
(GN)
(OPTIONAL)
(GN)
(R)
(OR)
(BL)
(BR)
OP
R2
R1
6
(W)
(R)
CL
(R)
(OR)
(GY)
(W)
(W)
(OR)
CLOSE
HOLD OPEN
LOOP–PRESENCE
REMOVE JUMPER WHEN
TIMER IS ADDED
ADD JUMPER WHEN USING CLOSE BUTTON
DO NOT USE WITH HOLD OPEN LOOP
TIMER
(OPTIONAL)
(OR)
(OR)
(OR)
(GN)
(BK)
(PUR)
(R)
P1
P2
P3
P4
J3–9
J3–10
J4–9
J4–10
(R)
(BK)
(BK)
(BL)
J3–7
J4–7
J4–8
J3–8
24V HOLD
OPEN LOOP
(OPTIONAL EQUIPMENT)
24V OPEN
LOOP
HOLD OPEN LOOP
LOOP WIRES
(OPTIONAL)
OPEN LOOP
LOOP WIRES
(OPTIONAL)
C
NO
CLOSE L/S
(BR)
R2
R1
R1
R2
8
9
R1
OP
(YEL)
(GN)
AUTO/MANUAL
OPEN
OPEN LOOP–PRESENCE
SENSING
EDGE
(OPTIONAL)
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.
24V SEC.
(W)
(W)
(W)
1 PHASE
INCOMING LINE
(SEE NOTE 3)
24V COIL
24V COIL
24V COIL
24V COIL
CL
OPEN L/S
NO
C
AUX.
CLOSE L/S
(BRN)
(GY)
(GY)
(BRN)
TERMINAL BLOCK
WIRE CONNECTION FOR STANDARD CONTROL DEVICES
WIRE CONNECTION FOR OPTIONAL DEVICES
WIRE CONNECTION FOR 230V UNITS ONLY
IS CONNECTOR FOR 24V OPEN LOOP DETECTOR
IS CONNECTOR FOR 24V HOLD OPEN LOOP DETECTOR
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)BROWN WIRES INSIDE MOTOR NOT USED, SHOULD BE WIRE NUTTED.
O/L SEE
NOTE 4
O/L SEE
NOTE 4
(1 of 2)
1