WIKA PSD-4-ECO, Operating Instructions Manual

Page: 26 / 140

14247391.01 07/2019 EN/DE/FR/ES
26 WIKA operating instructions, model PSD-4-ECO
EN
8. Dismounting, return and disposal
8. Dismounting, return and disposal
8.1 Dismounting
WARNING!
Physical injuries and damage to property and the environment caused by hazardous media
Upon contact with hazardous media (e.g. oxygen), and also with refrigeration plants and compressors,
there is a danger of physical injuries and damage to property and the environment.
▶
Should a failure occur, media with extremely high temperature and under high pressure or vacuum
may be present at the instrument.
▶
For these media, in addition to all standard regulations, the appropriate existing codes or regulations
must also be followed.
▶
Wear the requisite protective equipment.
WARNING!
Risk of burns
During dismounting there is a risk of dangerously hot media escaping.
The pressure switch may have heated up severely due to hot media.
▶
Let the instrument cool down sufficiently before dismounting it.
▶
Wear the requisite protective equipment.
Dismounting the instrument
1. Depressurise and de-energise the pressure switch.
2
.
Disconnect the electrical connection.
3
.
Unscrew the pressure switch with a spanner using the spanner flats.