49
Limitorque
®
L120-190 through L120-2000 FCD LMENIM1203-01-A4 – 05/15
flowserve.com
Figure 8.1 – Wiring Diagram – No Controls
MOTOR
CL1
4
18 18C
8
17
17C
(18)
(18C)
18
(4)
(4C)
(5)
(5C)
(8)(8C)
(17C)
(17)
(1C)
(1
1
5
4
8
17
17
CL1
3C
4
18
T1 T2 T3
H2
H
18
17
OPEN
CLOSE
18C18
(17)
(17C)
(18)
(18C)
00000
NOTES
0300
JUMPER
SEE NOTE#4
0
18
18C
CL1
7C
8
17
17
17C
LEGEND
STANDARD
16-476-1047-3
01-6-88
K.Horton
PP2
P3
TORQUE SWITCH
ELECTRICAL COMPARTMENT
P
P2
P3
22
TO CUSTOMER'S
EQUIPMENT
105161A
3
7
(7C)
(7)
(3)
(3C)
7C
3C
POT
(OPTIONAL)
POT
(OPTIONAL)
HH2CL2
COMP HTR-COMPARTMENT HEATER
MTR HTR-MOTOR HEAT ER
TH. OL.-THERMAL OVERLOAD CONTACTS
POT-SLIDEWIRE TRANSMITTER
(SEE CERTIFICAT ION SHEET IF REQUIRED)
GEAR LIMIT SWITCH
17C
TH.OL
T3
T2
T1
MOTOR
MTR HTR
H1
H2
22
CL2
0
BY-PASS CIR
SPARE
INDICATION
OPEN LIMIT
BY-PASS CIR
SPARE
INDICATION
CLOSE LIMIT
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
SPARE
FULLY
OPEN
AB
FULLY
CLOSED
.VALV E SHOWN IN FULL OPEN POSITION
0
3.ROTORS INT.1 & INT.2 CAN BE SET AT VA LVE
POSITION FULL OPEN, FULL CLOSED OR ANY
POSITION IN BETWEEN AS INDICATED BY
POINT A AND B.
4.ADD JUMPER ON LS#8 BETWEEN TERMINALS 8
& 8C FOR TORQUE SEATING VALVES.
TH.OL
THERMAL OVERLOAD CONTACTS
CL2
22
H
H2
P
P2
P3
T3
T2
T1
INDICATION
OPEN CIRCUIT
CLOSE CIRCUIT
HEATERS
COMP HTR
MTR HTR
COMP HTR
(4)
(4C)
8
(8C)
(8)
(1)
(1C)
(2)
(2C)
(3)
(3C)
(5)
5
(5C)
6
(6C)
(7)
7
(7C)
CLOSE ROTOROPEN ROTOR
(9)
9
(9C)
(10)
10
(10C)
(11
1
(11C)
(12C)
1
(12C)
(13)
13
(13C)
(14)
14
(14C)
(15)
15
(15C)
(16)
16
(16C)
INT.1 ROTOR INT.2 ROTOR
4
3
2
1
(6)
LIMIT SWITCH CONTACT DEVELOPMENT
VALVE POSITION
ROTOR
OPEN
CLOSE
INT.1
INT.2
FUNCTION
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
CONTACT
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
REVISION
LIMITORQUE CORPORATION
WIRING DIAGRAM
TITLE
DRAWING NO .
DATE
1ST ORDER NO.
REDRAWN
APPROVED
CHECKED
DRAWN
DATEDESCRIPTIONNO.
2.
1
CLOSE CONTACT
OPEN CONTACT
1
0
8
Standard Wiring Diagrams
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