Submittal Sheet

VBN THREADED CONTROL BALL VALVES AND ACTUATORS
23 63-2648—07
Fig. 30. MS7103 with 2-10 Vdc Control using two
actuators (MS7503 shown, ignore selection switch).
Fig. 31. Wiring for MS7103 and MS3103 Auxiliary
Switches. Gray/Black = Normally Open. Closed in range
80 degrees to Fully Open. Blue/Brown = Normally
Closed. Open in range 10 degrees to Fully Open.
Fig. 32. MS8105 with Two Position SPDT Control.
Fig. 33. MS7505 with Floating Control.
Fig. 34. MS7505 with override to full open.
ACTUATOR
0/2 TO 10 VDC
PROPORTIONING
CONTROLLER
24 VAC
1
1
2
3
2
LINE VOLTAGE POWER SUPPLY.
PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION
AS REQUIRED.
24 VDC SUPPLY ACCEPTABLE.
SET SWITCH TO MODULATING
IF AVAILABLE.
V
–
+
FEEDBACK
4
3
1
2
M37322
2-10 VDC
10-2 VDC
0-10 VDC
10-0 VDC
FLOATING , FWD
FLOATING , REV
3
ACTUATOR
V
4
3
1
2
2-10 VDC
10-2 VDC
0-10 VDC
10-0 VDC
FLOATING , FWD
FLOATING , REV
3
0°-90°/MODULATING
90°-0°/FEEDBACK
RED
BLACK
BROWN
WHITE
0°-90°/MODULATING
90°-0°/FEEDBACK
RED
BLACK
BROWN
WHITE
CLASS 2
ACTUATOR
SPST SWITCHES
MAIN
CABLE
M37303A
RED
BLACK
WHITE
BROWN
SWITCHES
CABLE
BLUE
BROWN
GRAY
BLACK
FEEDBACK OR 90˚−0˚
+ OR 0˚−90˚
ACTUATOR
SPST
24 VAC
1
1
2
2
LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
24 VDC SUPPLY ACCEPTABLE.
V
1
2
M34973
3
ACTUATOR
SPST
1
1 LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
V
1
2
M34974
2
24 VAC
1
1
2
3
2
LINE VOLTAGE POWER SUPPLY.
PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
24 VDC SUPPLY ACCEPTABLE.
SET SWITCH TO FLOATING.
M34975
ACTUATOR
V
OR +
OR N/A
FEEDBACK
5
4
3
1
2
2-10 VDC
10-2 VDC
0-10 VDC
10-0 VDC
Fltg, fwd
Fltg, rev
3
ACTUATOR
0/2 TO 10 VDC
PROPORTIONING
CONTROLLER
24 VAC
1
1
2
3
2
LINE VOLTAGE POWER SUPPLY.
PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
24 VDC SUPPLY ACCEPTABLE.
SET SWITCH TO MODULATING.
V
OR +
OR N/A
FEEDBACK
–
+
FEEDBACK
5
4
3
1
2
M19576A
2-10 VDC
10-2 VDC
0-10 VDC
10-0 VDC
Fltg, fwd
Fltg, rev
3
SPDT