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DRAWING NUMBER:
G1977
REV:
C
NOTES:
1) TRANSFORMER PRIMARY VOLTAGE SAME AS OPERATOR LINE VOLTAGE
24V SECONDARY 15VA.
2) TERMINAL DESIGNATIONS SHOWN FOR 115V ONLY.
3) OPTIONAL WIRE HARNESS.
4) (B+) AND (B-) ARE 100dB SAFETY ALARMS.
5) CONNECTED INTERNALLY ON GL PC BOARD
R2
R2
J1-6
J1-6
OPTION
OPTION
3
R3
R3
R1
R1
1
2
J4
J4
DUAL GATE
DUAL GATE
24 VAC
24 VAC
R1
R1
R2
R2
R3
R3
R4
R4
3
5
5
8
9
10
10
11
11
12
12
RADIO
RADIO
SIGNAL
SIGNAL
STOP
STOP
INTERRUPT
INTERRUPT
LOOP
LOOP
ENTRAPMENT
ENTRAPMENT
OPEN
OPEN
ENTRAPMENT
ENTRAPMENT
CLOSE
CLOSE
TO
TO
PRIMARY/SECONDARY
PRIMARY/SECONDARY
UNIT
UNIT
SEE NOTE
1
SEE NOTE 1
PRIMARY
PRIMARY
24VA C
24VA C
SEC
SEC
SEE NOTE
5
SEE NOTE 5
(OR)
(OR)
FIELD WIRING
FIELD WIRING
GL CONTROL BOARD
GL CONTROL BOARD
24VAC-IN
24VAC-IN
24VAC-COMMON
24VAC-COMMON
SOFT OPEN
SOFT OPEN
"B" LIMIT
"B" LIMIT
CONTACTOR B
CONTACTOR B
RADIO COMMAND
RADIO COMMAND
SHADOW
SHADOW
+24 VDC
+24 VDC
CLOSE
CLOSE
STOP
STOP
SOFT OPEN
SOFT OPEN
HARD OPEN
HARD OPEN
INT. LOOP
INT. LOOP
OBS. OPEN
OBS. OPEN
OBS. CLOSE
OBS. CLOSE
24 VAC-COMMON
24 VAC-COMMON
DC-GND
DC-GND
LOCK 1
LOCK 1
LOCK 1
LOCK 1
ALARM 1
ALARM 1
ALARM 1
ALARM 1
"A" LIMIT
"A" LIMIT
CONTACTOR A
CONTACTOR A
RPM-IN
RPM-IN
RPM-SUPPLY
RPM-SUPPLY
RPM GND
RPM GND
NC
NC
R4
R4
SEE NOTE 4
SEE NOTE 4
(W)
(W)
(RD)
(RD)
RPM
RPM
SENSOR
SENSOR
J1-11
OPTIONAL WIRE
HARNESS
P/N 90-G0601
APPLICATIONS:
CONTROL WIRING TYPE - GL
FIELD WIRING & ADJUSTMENTS
MODEL TYPES:
SW420
HORSEPOWER:
1/3
VOLTAGE/PHASE:
115V & 230V - 1 PHASE ONLY
845 Larch Avenue, Elmhurst, IL 60125
S I N G L E P H A S E W I R I N G D I A G R A M
Summary of Contents for LiftMaster Professional SW420
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