Limitorque L120 Series User Manual

Operation
L120 Installation & Maintenance Manual 120-11000 A
WTR Series
15
Figure 9 (one of two) – L120-10 through 40 typical wiring diagram
MOTOR
7
3
(7) (7C)
(3) (3C)
R
G
(18)
(18C)
(17) (17C)
(5)
(5C)
(1)
(1C)
PB1
OPEN
PB2
STOP
PB3
CLOSE
(8) (8C)
8
1
1
LOCAL
REMOTE
O
C
O
C
O
C
C
C
C
O
O
O
T
T2
T3
L1
L2
L3
4 1
5
(4)
(4C)
TH.OL
SS
OFF
ELEC HTR
MTR
JUMPER
SEE NOTE#5
18
OPEN
STOP
4
2
CLOSE
3
COMMON
YELLOW
RED
YELLOW
BLUE
YELLOW
BROWN
ORANGE
BLUE
WHITE
YELLOW
WHITE
BROWN
YELLOW
BLACK
BLUE
BLACK
P1
P1
BROWN
RED
RED
RED
WHITE
BLUE
RED
P1
PURPLE
BLACK
BLACK
POT
(OPTIONAL)
1716
1
BLACK
BROWN
RED
11
12
13
GREEN
BLACK
P2
H2
H1
6
5
REMOTE IND
GRAY
PINK
GRAY
REMOTE IND
21/22
BLACK
BLACK
GND
10
GREEN/WHITE
GREEN/WHITE
GREEN/WHITE
19/20
WHITE
RED
230V500
H1 AND H3
TO L1
H2 AND H4
TO L2
480
460
415
380
1
A
B
E
D
E
ALTERNATE
TRANSFORMER TYPES
600
575
550
-
-
32
TAPS
CPT
18V
115V
RED
WHITE
BLU
FUSE
FUSE
A B
C D
E
FUSE
BLUE
BLUE
BLACK
L1F L2F
WHITE
RES
RES
18V
YEL
YEL
BLU
BY-PASS CIR
IND LIGHT
OPEN LIMIT
BY-PASS CIR
IND LIGHT
CLOSE LIMIT
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
FULLY
OPEN
A B
FULLY
CLOSED
Valve Shown Full Open Position
SPARE
SPARE
LIMIT SWITCH CONTACT DEVELOPMENT
VALVE POSITION
ROTOR
OPEN
CLOSE
INT.1
INT.2
FUNCTION
1
2
3
4
5
6
7
8
9
10
1
12
13
14
15
16
CONTACT
A B
OPENING TORQUE SWITCH INTERRUPTS
CONTROL CIRCUIT IF MECHANICAL
OVERLOAD OCCURS DURING OPENING CYCLE
CLOSING TORQUE SWITCH INTERRUPTS
CONTROL CIRCUIT IF MECHANICAL
OVERLOAD OCCURS DURING CLOSING
CYCLE
18
17
5. ADD JUMPER ON LS#8 BETWEEN TERMINALS (8)
Notes
3. SEE CERTIFICATION SHEET FOR VOLTAGE SUPPLIED.
2.
1.
CLOSE CONTACT
OPEN CONTACT
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.
& (8C) FOR TORQUE SEATING VALVES.
O
C
R
G
O-OPEN CONTACT
C-CLOSE CONTACT
CPT-CONTROL POWER TRANSFORMER
+-MECHANICAL INTERLOCK
TH.OL-THERMAL OVERLOAD CONTACTS
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˛
RED INDICATING LIGHT
GREEN INDICATING LIGHT
OPENING COIL
CLOSING COIL
Legend

Limitorque L120 Series Specifications

General

Enclosure	NEMA 4, NEMA 4X
Motor Options	Single-phase, Three-phase
Control Options	Local, remote, modulating
Voltage	120V, 240V, 480V
Communication Protocol	Modbus, Foundation Fieldbus, Profibus
Housing Material	Aluminum
Temperature Range	-40°C to +70°C (-40°F to +158°F)
Ambient Temperature Range	-40°C to +70°C (-40°F to +158°F)