Flowserve L120-190 through L120-2000 - Manual (Page 49)

49
Limitorque ® L120-190 through L120-2000 FCD LMENIM1203-00 – 10/11
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Figure 9.1 – 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
18C 18
(17) (17C) (18) (18C)
0 0 0 0 0
NOTES
0 3 0 0
JUMPER
SEE NOTE#4
0
18
18C
CL1
7C
8
17
17
17C
LEGEND
STANDARD 16-476-1047-3
01-6-88
K.Horton
P P2 P3
TORQUE SWITCH
ELECTRICAL COMPARTMENT
P
P2
P3
22
TO CUSTOMER'S
EQUIPMENT
1 0 5 1 6 1 A
3
7
(7C) (7)
(3) (3C)
7C
3C
POT
(OPTIONAL)
POT
(OPTIONAL)
H H2 CL2
COMP HTR-COMPARTMENT HEATER
MTR HTR-MOTOR HEATER
TH. OL.-THERMAL OVERLOAD CONTACTS
POT-SLIDEWIRE TRANSMITTER
(SEE CERTIFICATION 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 A B FULLY
CLOSED
.VALVE SHOWN IN FULL OPEN POSITION
0
3.ROTORS INT.1 & INT.2 CAN BE SET AT VALVE
POSITION FULL OPEN, FULL CLOSED OR ANY
POSITION IN BETWEEN AS INDICA TED 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 ROTOR OPEN 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
CO
NT
ACT
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
DATE DESCRIPTION NO.
2.
1
CLOSE CONTACT
OPEN CONTACT
10
9
Standard Wiring Diagrams