2. Safety
2. Safety
WARNING!
EN
Before installation, commissioning and operation, ensure that the appropriate pressure
switch has been selected in terms of measuring range, design and specific measuring
conditions.
Non-observance can result in serious injury and/or damage to the equipment.
WARNING!
Open the connections only after the system has been depressurised.
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Observe the working conditions in accordance with Chapter 3 "Specifications".
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Always operate the pressure switch within the overpressure safety range!
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Further important safety instructions can be found in the individual chapters of these
operating instructions.
2.1 Intended use
The pressure switch is used to convert pressure into an electrical signal indoors and outdoors.
The instrument has been designed and built solely for the intended use described here, and may only
be used accordingly.
The technical specifications contained in these operating instructions must be observed. Improper
handling or operation of the instrument outside of its technical specifications requires the instrument to
be taken out of service immediately and inspected by an authorised WIKA service engineer.
The manufacturer shall not be liable for claims of any type based on operation contrary to the intended
use.
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WIKA operating instructions pressure switch model PSA-31 for sanitary applications