Flowserve LY Series Limitorque - Manual (Page 35)

35
Limitorque LY Series: LY 1001, LY 2001 and LY 3001 FCD LMENIM1501-00 – 11/11
flowserve.com
PIN NUMBER
CONNECTOR
NUMBER
CONNECTOR
T B 2 - 1 2
SYMBOL DESCRIPTION
TERMINAL
POINT
TERMINAL
STRIP
NUMBER
TERMINAL
POINT
NUMBER
1-4
1
2
3
4
TQ
SW
1
CONNECTOR
+ +
CONTROL COMPARTMENT LY COMPARTMENT
1
10
13
7
4
11 12
14
8
5
2
15
9
6
3 3
6
2
5 4
1
2
3
4
1
2
3
4
1 1
2 2
1
1 2 3 4 5 6 7 8 9 10
2 3 4 5 6 7 8 9 10
3
6
9
2
5
8
12 11
1
4
7
10
11
11 12
12
INTEGRAL P.C. BOARD
3
1 2 3 4 5 6 7
TQ
SW GL
SW
INTG
CONT
SW
STAT
MTR HTR
TH.OL
COMP
HTR POT
TB1
TB2
J1
9 8 7
1
HTR2
6-1 6-2
INCOMING POWER
L1
47
57
C
19
21
19
3-6
L1 L2 2C 3 3C
BROWN
PINK
GRAY
PURPLE
PURPLE
ORANGE
BRN
TO CUSTOMER'S
EQUIPMENT
T2
2
OPEN
CLOSE
TS17
1-1 1-2
TS18
1-4 1-3
2-10 2-7
GEAR LIMIT SWITCH
BOTTOM
LS9
2 2C
LS2
7-1
7-2
7-3
TORQUE SWITCH
TOP
POT
(OPTIONAL)
L2
3-8
(T3)
5-1 5-3 5-3 5-4
L1
57 47
O
21
19
PB1
OPEN
PB3
CLOSE
PB2
STOP
LOCAL REMOTE
3-3
3-2
3-5
3-1
3-4
SW STATION
INTEGRAL CONTROL
SS
BLACK
BLUE YELLOW
3-7
3-7
T1
2-2
2-12
2-1
2-13
2-15
2-11
2-14
2-8
2-5 2-4
LS7
LS4
LS8
LS5
LS6
3 3C
LS3
5-1
5-2
HTR1
5-2
RED WHITE
WHITE
GREEN
R G
MOTOR
T2
T1
TH.OL
CAP
3-9 3-9
5-4
5-3
L2
+
(P) (P)
L1
TB2
-2
3-6
3-3
3-2
PB1
OPEN
PB2
STOP
3-5 3-4
TB2-7
(OPEN)
TB2-6
(CLOSE)
PB3
CLOSE
17
LOCAL REMOTE
O
C
O
C
47
57
L2
21
L2
L1
L1
L2
O
C
C
O
L1
L2
18
TB2-8
TB2-5
(STOP)
TB2-4
(COMMON)
SS
3-1
HTR1
HTR2
L2
L2
TB2
-1
TB2-9
TB2-10
1-4 1-3
1-1 1-2 2-1 2-2
4-5
4-6
4-10
4-6
4-6
4-3
4-1
4-2
5-1 5-2
6-1 6-2
4-11
19
3-8
4-11
BLACK
BLUE
YELLOW
ORANGE
BROWN
PINK
GRAY
PURPLE
R
G
TB1-9
POT
(OPTIONAL)
7-1
7-2
7-3
TB1-10
TB1-8
L2
LS9
LS5
LS4
LS8
2-7
2-8
2-10
2-11
2-4 2-5
LS7 LS6
TB1-3 TB1-1 TB1-2
2-12 2-13 2-14 2-15
FOR REMOTE INDICATION
(WHEN REQUIRED)
FOR REMOTE INDICATION
(WHEN REQUIRED)
TO
CUSTOMER'S
EQUIPMENT
TB2
-11 TB2-12
4-8
4-9
RED
GREEN
4-7
WHITE
4-4
3-7
TH.OL
5-3 5-4
T2
T1
CAP.
L2 (T3)
MOTOR
L1
L2
L2
3-9
+
TS18 — Opening torque switch interrupts
control circuit if mechanical overload
occurs during opening cycle.
TS17 — Closing torque switch interrupts
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.
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
G
R
O
C
LEGEND
O — Open contact
C — Close contact
— Opening coil
— Closing coil
CAP — Motor capacitor
+ — Mechanical interlock
TH. OL — Thermal overload contacts
SS — Selector switch (local-remote)
PB1 — Open pushbutton
PB2 — Stop pushbutton
PB3 — Close pushbutton
HTR1 — Space heater (LY Compt.)
HTR2 — Space heater (Control Compt.)
POT — Slidewire transmitter (optional)
(See certification sheet if supplied.)
J1 — Connector for Modutronic 20 units
— Red indicating light
— Green indicating light
Note: Refer to certified data
for construction purposes
16-476-1633-3D.
Figure 6.4 – Single-Phase with Control Package (continued)