Jlso Tec Trade VH M 1 1 1 Series, Руководство по эксплуатации

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5 Adjusting the Switching Unit Flow switch
5 Adjusting the Switching Unit
5.1 Contact type
5.1.1 Standard contact
The switching unit of the control switch enables 2 contact types:
1. Make contact (normally open): “RED” arrow on the switching unit
2. Break contact (normally closed): “WHITE” or “BLUE” arrow on the switching unit
The following table explains the two contact types:
Contact type Setting Flow rate: Electric contact
increasing closing
Make contact RED arrow
decreasing opening
increasing opening
Break contact WHITE or BLUE arrow
decreasing closing
If not otherwise agreed with the customer, the switching unit is factory set as a make contact, i.e. the reed
contact opens if the set switching point is exceeded.
5.1.2 Change-over contact (only for VH3...)
For flow switches with a change-over contact a fine adjustment can only be carried out within the red arrow.
The contact switches after reaching the set switching point.
5.2 Flow switch version VH...X
The flow switch version VH...X is supplied ex works with a fixed switching point. Adjustment of the switching
point for flow switch version VH...X is not permitted.
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https://jlso-tec-trade.de
Daniel H. Meckel
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