Figure 9 - L120-10 Through 40 Typical Wiring Diagram - Limitorque L120 Series Installation & Maintenance

Figure 9 (one of two) – L120-10 through 40 typical wiring diagram
10
GND
13
L1
12
L2
11
L3
TRANSFORMER TYPES
1
A 500
B 480
E 460
D 415
E 380
BLACK
BLACK
(7)
BLACK
(3)
BLACK
BLACK
BLACK
Valve Shown Full Open Position
LIMIT SWITCH CONTACT DEVELOPMENT
VALVE POSITION
ROTOR
FULLY
A A
OPEN
1
2
OPEN
3
4
5
6
CLOSE
7
8
9
10
INT.1
1
12
13
14
INT.2
15
16
15
Operation
GREEN/WHITE
ALTERNATE
A B
2 3
600 230V
575
H1 AND H3
TO L1
550
H2 AND H4
-
115V
TO L2
-
FUSE
7
RES
RED
(7C)
3
RES
GREEN
(3C)
ELEC HTR
21/22
H1
MTR
PB1
OPEN
SS
OFF
LOCAL
REMOTE
PB2
BROWN
STOP
RED
PB3
CLOSE
RED
PURPLE
BROWN
RED
GRAY
FULLY
FUNCTION
B B
CLOSED
BY-PASS CIR
SPARE
IND LIGHT
OPEN LIMIT
BY-PASS CIR
SPARE
IND LIGHT
CLOSE LIMIT
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
L120 Installation & Maintenance Manual
GREEN/WHITE
C D E
CPT
18V
18V
WHITE
R
WHITE
G
WHITE GREEN/WHITE
H2
19/20
4
BLUE
BLUE
BLUE
RED
(4) (4C)
JUMPER
SEE NOTE#5
8
YELLOW YELLOW
RED
(8) (8C)
1
BLUE
OPEN
O
2
YELLOW
CLOSE
C
3
BROWN
STOP
4
ORANGE
COMMON
5
GRAY
REMOTE IND
6
PINK
REMOTE IND
CLOSING TORQUE SWITCH INTERRUPTS
17
CONTROL CIRCUIT IF MECHANICAL
OVERLOAD OCCURS DURING CLOSING
CYCLE
OPENING TORQUE SWITCH INTERRUPTS
18
CONTROL CIRCUIT IF MECHANICAL
OVERLOAD OCCURS DURING OPENING CYCLE
Notes
OPEN CONTACT
1.
2. CLOSE CONTACT
3. SEE CERTIFICATION SHEET FOR VOLTAGE SUPPLIED.
RANSFORMER UNUSED WIRES TO BE SEPARATELY
COVERED WITH INSULATING HEAT SHRINK TUBING.
4. ROTORS INT.1 & INT.2 CAN BE SET AT VALVE
POSITION FULL OPEN, FULL CLOSED OR ANY
POSITION IN BETWEEN AS INDICATED BY
POINTS A AND B.
5. ADD JUMPER ON LS#8 BETWEEN TERMINALS (8)
& (8C) FOR TORQUE SEATING VALVES.
T
O
T2
MOTOR
O
T3
O
C
C
C
P2 P1
TH.OL
5
(5) (5C)
1
BLUE
BLUE
O
BLACK WHITE
(18C)
(18)
C
1
YELLOW YELLOW
C
BLACK
WHITE
(17) (17C)
O
1
(1C)
(1)
POT
(OPTIONAL)
16 17
18
Legend
O-OPEN CONTACT
C-CLOSE CONTACT
OPENING COIL
O
CLOSING COIL
C
CPT-CONTROL POWER TRANSFORMER
+-MECHANICAL INTERLOCK
TH.OL-THERMAL OVERLOAD CONTACTS
R RED INDICATING LIGHT
G GREEN INDICATING LIGHT
SS-SELECTOR SWITCH
(LOCAL-OFF-REMOTE)
PB1-OPEN PUSHBUTTON
PB2-STOP PUSHBUTTON
PB3-CLOSE PUSHBUTTON
ELEC HTR-COMPARTMENT HEATER
MTR HTR-MOTOR HEATER
POT-POTENTIOMETER (OPTIONAL, SEE
CERTIFICATION SHEET IF SUPPLIED)
RES-LAMP RESISTORS˛
WTR Series
P1
P1
120-11000 A