WIKA PSD-31 - Manual (Page 29)

29 WIKA operating instructions pressure switch model PSD-3x
GB
11430486.06 02/2012 GB/D/F/E
6. Commissioning, operation / 7. Maintenance and cleaning
7. Maintenance and cleaning
7.1 Maintenance
This instrument is maitenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
■ Before cleaning, correctly disconnect the instrument from the pressure supply, switch it
off and disconnect it from the mains.
■ Clean the instrument with a moist cloth.
■ Electrical connections must not come into contact with moisture.
■ Wash or clean the dismounted instrument before returning it in order to protect personnel
and the environment from exposure to residual media.
■ Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment.
■ Take sufficient precautionary measures.
■ Do not use any pointed or hard objects for cleaning, as they may damage the diaphragm
of the process connection.
For information on returning the instrument see chapter 9.2 "Return".
Index
(decimal)
Object
name
Value Remarks
2 RES 130 Return the set parameter to the factory settings
2 LOCK 163 General keylock On
2 UNLOCK 164 General keylock Off
2 RHL 176 Clear the Min- and Max-value memories
2 0SET 177 Zero-point adjustment (3 % of span) see page 18