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VH2, VH3, VH4, VH5, VH6, VH7, VH8 ANSI 150 CLASS HIGH PERFORMANCE BUTTERFLY VALVES
ELECTRICAL INSTALLATION
MBS8U3N2/U and MBS8U3S2/U
24 VA C Transformer
Line
Volts
a
On/Off
24 VAC Transformer
2
Blk (1) Common
Line
Volts
Red (2) + Hot
a
Wht (3) + Input
a
Function
Max
100%
On/Off
24 VAC Transformer
Blk
Line
Volts
Red
Ω 500 Ω
1/4 watt
(–)
Control Signal
(+)
Wh t
4 to 20 mA or 2 to 10 VD C
7
Pnk
Org
VDC / 4 to 20 mA
31-00191EF—02
Notes:
A
2
3
18
Blk (1) Common
Red (2) + Hot
A
2
a
Function
Max
100%
3
18
Fig. 15. Wiring for MBS8 actuators.
24 VAC Transformer
3
18
Line
Volts
Function
Max
100%
Floating Point
Fig. 16. Wiring for MBP6...R actuators.
3
18
24 VAC Transformer (AC Only)
Line
Common
(1)
Volts
(2)
+ Hot
(–)
(3) Y
Input, 2 to 10V
Control Signal
1
(+)
2-10 VDC or 4 to 20 mA
(4) Y
Input
2
7
(5) U
Output, 2 to 10
Min*
Mid*
Max*
Normal**
Override Control Min, Mid, Max Postions
Fig. 17. Wiring for MBS7...1 and MBS7...R actuators.
Meets cULus requirements without the need of an
electrical ground connection
Actuators with appliance cables are numbered.
Actuators may be connected in parallel. Power
consumption and input impedance must be observed.
Actuators may also be powered by 24 VDC.
Actuators with plenum rated cable do not have numbers
on wires; use color codes instead.
2
3
18
Blk (1) Common
Red (2) + Hot
a
b
Wht (3) + Input
a
b
18
Blk
Common
(1)
Red
(2)
+ Ho t
A
Ω
B
C
Wh t
(3) Y
Input, 2 to 10V
1
500 Ω
Pnk
(4) Y
Input
2
1/4 watt
Org
(5)
Functions
a
b
c
0%
50%
100%
Control mode acc. to Y
* Default selectable 0-100%. See Configuration Data Sheet
** Customizable. See Configuration Data Sheet .
22
Auxiliary Switches
Notes:
Meets cULus requirements without the need of an
electrical ground connection
Actuators may be connected in parallel. Power
2
consumption and input impedance must be observed.
Actuators may also be powered by 24 VDC.
3
Actuators with plenum rated cable do not have numbers
18
on wires; use color codes instead.
Notes:
Meets cULus requirements without the need of an
electrical ground connection
Actuators may also be powered by 24 VDC.
3
A 500 Ω resistor converts the 4 to 20 mA control signal
7
to 2 to 10 VDC.
Actuators with plenum rated cable do not have numbers
18
on wires; use color codes instead.
.
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