Flowserve LY Series Limitorque - Manual (Page 30)

Limitorque LY Series: LY 1001, LY 2001 and LY 3001 FCD LMENIM1501-00 – 11/11
30
Figure 6.2 – Three-Phase with Control Package
Limit Switch Contact Development
LIMIT
SWITCH
CONTACT
2
3
4
5
6
7
8
9
VALVE POSITION
FULL
OPEN
FULL
CLOSE
FUNCTION
SPARE
SPARE
OPEN LIMIT
IND LIGHT
INDICATION
INDICATION
CLOSED LIMIT
IND LIGHT
Valve shown in full open position
—Closing torque switch interrupts
TS18 —Opening torque switch interrupts
control circuit if mechanical overload
occurs during opening cycle.
TS17
control circuit if mechanical overload
occurs during closing cycle.
NOTES
1. Open contact
2. Close contact
3. All limit switch trip points
are fully adjustable.
G
R
O
C
LEGEND
O — Open contact
C — Close contact
— Opening coil
— Closing coil
CPT — Control Power Transformer
+ — Mechanical interlock
TH. OL — Thermal overload contacts
SS — Selector switch (local-remote)
PB1 — Open pushbutton
PB2 — Stop pushbutton
PB3 — Close pushbutton
HTR1 — Space heater
HTR2 — Space heater (Side mounted compt. only)
POT — Slidewire transmitter
— Red indicating light
— Green indicating light
RES — Lamp Resistors
HTR1
HTR2
R
G
LOCAL REMOTE O
C
O
C
TH.OL
SS
OFF
CPT
PB3
CLOSE
PB2
STOP
PB1
OPEN
LOCAL
OFF
REMOTE
BLU
YEL
BRN
ORG
GRY
PNK
SW323
PUSHBUTTON STATION
HTR1
CLOSE
OPEN
TS18
BLU
/RED
BLU/BLK
TS17
YEL/RED YEL/BLK
RED
YEL/RED
ORG
BLK
YEL
PUR
BRN
GRN
PNK
BLK
BLU/RED BLU
LIMIT SWITCH
BOTTOM
LS7
LS4
LS8
LS5
LS9
LS6
BLU/WHT
RED/BLK
LS3
LS2
TOP
TORQUE
SWITCHES
PUR/WHT
YEL/WHT
LS9
LS4 TS18
TS17 LS8
LS5
PNK
REVERSING STARTER
SUPPLIED ON
SIDE MOUNTED
COMPARTMENT
T2
TH.OL
P2
(P) (P) T3
ORG
PUR
BRN
YEL/BLK
BLU/BLK
PUR/WHT
RED/BLK
YEL/WHT
BLU/WHT
PUR
P2
BLK
WHT
BLK
WHT
BLK/WHT P1
BLK/WHT
RED/WHT
LS7 22
LS6 20
LS3 18
LS2 16
T1
P1
3ph
MOTOR
CPT
(H1) (H3) (H2) (H4)
O
O
T1
3ph
MOTOR
O
C
C
C
T2
T3
18V 18V 115V
FUSE
POT
POT
O
C
OPEN
STOP
4
2
CLOSE
3
COMMO
N
1
6
5
REMOTE IND
REMOTE IND
24
23
10/11 12
7
21
19
17
15
SPARE
LIMIT
SWITCHES
L1
L2
L3
8/9
27 26 25
PB1
OPEN
PB2
STOP
PB3
CLOSE
BL
U
18V
YELLOW
RED
YELLOW
BLUE
YELLOW
BLUE
WHITE
YELLOW
WHITE
BROWN
YELLOW/BLACK
BLUE/BLACK
BROWN
RED
RED
RED
BLUE
RED
P1
PURPLE
BLACK
BLACK
RED
GRAY
WHITE
GREEN
BROWN
ORANGE
GRAY
PINK
BLUE BLUE
4
5
6
7
8
9
1
2
3
BRN
PUR
GRY
PNK
YEL
ORG
RED
BRN
RED
BRN
WH
T
GRN
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
REMOTE OPEN
REMOTE CLOSE
REMOTE STOP
REMOTE COMMON
SELECTOR SWITCH IN
REMOTE INDICATION
1
2
3
15
13
24
14
10
11
12
13
14
15
1
2
SPARE
LIMIT
SWITCH#2
SPARE
LIMIT
SWITCH#3
WHITE
BLACK
BLACK
HTR2
RES
RES
RES RES
L1 L2 L3
SPARE
LIMIT
SWITCH#6
SPARE
LIMIT
SWITCH#7
RE
D
WH T
115V
INCOMING
POWE
R
P2
FOR SIGNAL
CONVERTER
WHEN SUPPLIED
1
2
BL
U
2
1 BLK/WHT
RED/WHT
3
2
5
6
1
1
2
4
BLACK/WHITE
PUR ORG
PNK BRN
YELLOW
WHITE
BLUE
WHITE
RED
BLACK
L1 L2
H1 H3 H2 H4
WHIT
E
YELLOW YELLOW BLUE BLUE
WHITE
BL
K
1
YEL
YEL
18V
BLACK
230V 500
H1 & H3 TO L1
H2 & H4 TO L2
415
380
1
A
B
C
D
E
TRANSFORMER TYPES
600
575
550
-
-
3 2
TAPS
-
-
460V
H3 TO H2, H1 TO
L1 & H4 TO L2
RE
D
PURPLE
WHITE
ALTERNATE STANDARD
1
2
3
25
26
27
28
29
30
POT (CCW)
POT (SWEEPER)
POT (CW)
2
PUR
BLU/WH
T
YEL/WH
T
C
O
YEL
PU
R
BLU
BLU\BLK
YEL/BLK
PUR
BLK
WHT
BLK
WH
T
L1
L3
T3
T2
T1
L3
L2
L1 T1
T2
T3
L2
BLK/WHT BLK/WHT
BLK/WHT
BR
N
RE
D
BL
K
BLK
BRN
RED
PUR/WHT
RED/BLK
BRN
ORG
RED
BLK
BLU
PUR
YEL
PNK
ORG
BRN
GRY
BUTTONS
AUX.
TERM.
LIGHTS
RED
WH
T
GRN
PUR
BLK
BLU
YEL
GRN
RED
WH
T
BRN
GRY
PNK
ORG
BLU/WHT
YEL/WHT
BLK
GRN
YEL/BLK
BLU
BLU/BLK
BLK
GRN
BLU
YEL/BLK
BLU/BLK
YEL YEL
RED RED
PNK
PUR
BLK
WH
T
WH
T
BLK
BLK
PUR/WHT
YEL/WHT
RED/BLK
BLU/WHT
PNK
PUR
BRN
ORG
BLK
BLU
BRN
RED
BLK BLK
BRN
RED
R G
FUSE
FUSE FUSE
FUSE FUSE
BLACK BROW
N
RE
D