29
WIKA operating instructions, model CPC2000
11155094.02 07/2012 GB/D/F/E
GB
8. Maintenance, cleaning and service (recalibration)
8. Maintenance, cleaning and service (recalibration)
8.1 Maintenance
This low-pressure controller is maintenance-free.
Repairs must only be carried out by the manufacturer.
The safety of the operator may be endangered by the low-pressure controller if, for
example:
■
there is visible damage to the instrument.
■
the instrument is not working as specified.
■
the instrument has been stored under unsuitable conditions for an extended period of
time.
If there is any doubt, please return the low-pressure controller to the manufacturer for
repair or maintenance.
8.2 Cleaning
CAUTION!
■
Before cleaning, correctly disconnect the low-pressure controller 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 persons and the environment from exposure to residual media.
■
Residual media on the dismounted low-pressure controller can result
in a risk to persons, the environment and equipment. Take sufficient
precautionary measures.
For information on returning the instrument see chapter 10.2 “Return”.
8.3 Recalibration
DKD/DAkkS certificate - Certificates:
We recommend that the instrument is regularly recalibrated by the manufacturer, with
time intervals of approx. 12 months. Every factory recalibration includes, additionally, an
extensive free-of-charge check of all system parameters with respect to their compliance
with the specification. The basic settings will be corrected if necessary.
