Flowserve L120-190 through L120-2000 - Manual (Page 51)

51
Limitorque ® L120-190 through L120-2000 FCD LMENIM1203-00 – 10/11
flowserve.com
Figure 9.3 – Wiring Diagram – NCU
WH
T
BL
K
0
0
0
0
0
0
3
0
0
0
ELECTRICAL COMP
ARTMENT
TO CUSTOMER'
S
EQUIPMENT
1
0
5
1
6
1
A
GEAR LIMIT SWITCH
TH OL
T3 T2 T1
MOTOR
MTR HTR
H1 H2 P1 P2
COMP HT
R
0
0
MOTO
R
(1
8
(18C)
18
(4
)
(4C)
(5
)
(5C)
(8
)
(8C
)
(17C)
(1
7
(1C)
(1
)
1 5
4 8
1
3 7
(7
C)
(7
)
(3
)
(3C)
(7
C)
(3
C)
CO
M
P
HT
R
MTR HT
R
TH OL
THERMAL OVERLOAD CON
TA
CT
S
5
4 7
(H1)
6
(H2)
3 (T3) 2 (T2) 1 (
T1
)
INDIC
AT
IO
N
OPEN CIRCUI
T
CLOSE CIRCUI
T
HEA
TER
S
BY
-P
ASS CI
R
IND LIGH
T
OPEN LIMI
T
BY
-P
ASS CI
R
IND LIGH
T
CLOSE LIMI
T
SP
AR
E
SP
AR
E
SP
AR
E
SP
AR
E
SP
AR
E
SP
AR
E
SP
AR
E
SP
AR
E
FULL
Y
OPE
N
A
B
FULL
Y
CLOS
ED
VA
LV
E SHOWN IN FULL OPEN POSITION
LEGEND 2. 1.
CLOSE CON
TA
CT
OPEN CONTAC
T
NOTES
SP
AR
E
SP
AR
E
3.ROTORS INT
.1 & INT
.2 CAN BE SET
AT
V
AL
VE
POSITION FULL OPEN, FULL CLOSED OR AN
Y
POSITION IN BETWEEN AS INDICA
TED BY
POINTS A AND B.
LIMIT SWITCH CONT
ACT DEVELOPMEN
T
VA
LV
E POSITION
ROTO
R
OPEN CLOSE IN
T. 1
IN
T. 2
FUNCTIO
N
1 2 3 4 5 6 7 8 9 10 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
A
B
LIMITORQUE CORPORA
TION
NO CONTROLS UNIT DIAGRAM POTENTIOMETER (OPTIONAL)
TITL
E
DRA
WING NO.
1ST ORDER NO
.
APPROVE
D
CHECKED DRA
WN
DA
TE
DESCRIPTION
NO
.
REV
17-499-0009-3
G
SHEE
T
1
1
OF
DA
TE
DA
TE
DA
TE
JJJ
02/08/9
4
ST
ANDAR
D
L-782 RE
V-A 4/26/9
3
8
7
5
4
3
2
1
MOTOR GROUN
D
LUG
LIGHTS
BUTTONS
AUX. TERM.
GR
N
RED WH
T
PUR BRN GR
Y
PNK OR
G
BLU BLK YEL
1 2 3 1 2 3 4 1 2 3 4
1 2
WH
T
9
10
11
12
13
CHASSI
S
GROUND
PINK
GRY
ORG
BRN
PUR
WHT
BL
K
PO
T
(OPTIONAL)
(CCW
)
(S
)
(CW)
6
LIMIT SWITCHES
(1 )
(1C)
5
(5C) (5 )
(4
)
(4C) (3 )
(3C) (2 )
(2C)
(8 ) 8
(8C)
7
(7C) (6 ) 6
(6C)
1 2 3 4
(7 )
YEL/BL
K
YEL/RE
D
GR
N
BLK
BLU/RED BLU
E
CLOSE ROTOR
OPEN ROTO
R
YEL BLK
YEL/RED
RED
BLU/RED BLU/BLK
(12) 12 (12C) (11) 11 (11C) (1
0) 10 (10C)
(9 ) 9 (9C)
(16) 16 (16C
)
(15) 15 (15C
)
(14) 14 (14C
)
(13) 13 (13C
)
LIMIT SWITCHES
IN
T.
2 ROTO
R
INT
.1 ROTOR
15
14
P1
T3
T2
T1
BLUE RED
YELLOW
RED
BLAC
K
WHIT
E
18 17
OPE
N
CLOSE
(17C)
(17)
(18C)
(18)
TORQUE SWITCH
BLU/BLK BLU/RED YEL/BL
K
YEL/RE
D
BLUE/BLAC
K
YELLOW/BLAC
K
P2
H2
H1
(P1)
(P2)
(5
C)
(1
C)
(8
)
(4
)
BLACK
BROWN
RED
KH
2/9/94
JD
2/9/94
A
REDR
AW
N
JJJ
4/1/94
B
ADDED SW PLUG
KE
H
5/9/94
C
COLOR CODED WIRES EXCEPT MOTOR WIRES CHA THOL WIRES FROM 22 TO P1,CL2 TO P2
JSB
11/11/94
15
14
13
POT
(OPTIONAL)
(CCW
)
(S
)
(CW
)
RED
BROWN
BLACK
(7
)
JUMPER SEE NOTE #4
REVISION
DA
TE
DESCRIPTION
NO.
D
ADD TORQUE SE
AT
JUMPER IN SC
H .
KEH
12/16/94
BLUE YELLO
W
PURPLE BLAC
K
ORANGE BROW
N
WHITE RE
D
GREE
N
PIN
K
GR
AY
COLOR/STRIPED WIRE COLOR LEGEN
D
: BLU : YEL : PUR : BLK : ORG : BRN : WH
T
: RED : GRN : PNK : GRY
E
UPDA
TE WIRE
COLOR CHAR
T
MF
1/10/95
BLAC
K
F
CHANGED WIRE COLORS ON PO
T
KEH 2/8/95
4.ADD JUMPER ON LS#8 BETWEEN TERMINALS
8
& 8C FOR TORQUE SEA
TING
VA
LVES
.
5.PLUG-IN CONNECTORS LABELED LIGHTS, BUTTONS AND AUX.TERM ARE FOR CLOSE COUPLED SW323 PUSHBUTTON
S
TA
TION WHEN SUPPLIED.
TH. OL.-THERMAL OVERLOAD CONT
ACTS
COMP HTR-CO
M
PA
RTMENT HEATER
MTR HTR-MOTOR HEA
TER
PO
T-
POTENTIOMETER (OPTIONAL
)
-UNIT TERMINAL STRIP CONNECTIO
N
-GEAR LIMIT SWITCH TERMINAL CONNECTIO
N
-TERMINALS RESERVED FOR LC EQUIPMEN
T
G
CORR BLK WIRING ON LIMIT SW.#
7
KEH 5/17/95