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Chiller Water-cooled Screw
u
Dual Pressure Switch
Dual pressure switch has the low pressure block switch and high pressure block switch equipped. The blocking
pressure can be adjusted. Default setting is shown below.
Low pressure switch and high pressure switch are closed in normal conditions and when the detected pressure
exceeds the set value, it will open. After recovering from high or low pressure condition, the switch will automat-
ically return to normal location.
Low pressure block
3.2kgf/cm
2
High pressure block
10.5kgf/cm
2
Table 17
Fig. 24