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4
Components
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4.1
Control valve
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"X"
9
auto
X
8
man
7
Fig. 8: Actuator, control valve (Example)
1
Actuator
2
Control valve
3
Display for opening degree of control valve (0-
100%)
4
Adjusting screw of actuator
5
Cover cap of DIP switch
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Components
Control valve for the continuous control of cooling media in loops.
The actuator is directly plugged onto the control valve and fixed with a nut. The
connection of the drive with the valve spindle is done automatically.
The valve is closed with the valve spindle pulled out.
Note
•
The drive will move out during the first commissioning of the plant. The cap closes
automatically when reaching the lower valve seat. The stroke of the valve is
detected by the drive.
•
The DIP switch is set ex works. Setting: see circuit diagram.
VARISTAR Cooling unit SHX 30
1
2
6
Valve spindle
7
Locking mechanism (engaging)
8
Selector switch (Automatic / Manual)
9
Connection cable
3
4
5
6
12430
26
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