COLUMBIA VAC OPC1050N Bedienungsanleitung Seite 21

Persons operating or modifying the cooling circuit must hold the appropriate
authorisations from an accredited organisation to guarantee the professional handling of
the refrigerant, which must be confirmed by reputable industry organisations.
All repairs should be performed according to the manufacturer's recommendations.
Maintenance and repairs requiring the employment of experts in other fields should be
carried out under the supervision of a person authorised to use flammable refrigerants.
If there is any lack of understanding of any information, or help is needed, contact the
dealer's service centre
BEFORE THE FIRST USE OF THE DEVICE, MAKE SURE THAT IT HAS BEEN
PLACED IN THE VERTICAL POSITION FOR 24 HOURS; OTHERWISE, THE DEHUMIDIFIER
COMPRESSOR CAN BE DAMAGED.
SAFETY WARNINGS FOR SERVICING
Observe all these warnings when performing the following works while servicing the
dehumidifier with R290.
1. Area inspections
Before performing any works on circuits containing flammable refrigerants, it is necessary
to perform safety inspections of the area to make sure that the risk of ignition is minimised.
When repairing the cooling system, the following precautions must be implemented
before working on the system.
2. Working procedure
Tasks should be carried out under the controlled procedure so that the risk of the presence
of flammable gas or vapours is minimised when work is being carried out.
3. General workplace
All maintenance personnel and others working in the place should be instructed in the
nature of the work. Avoid working indoors. The area around the workplace must be isolated.
Make sure that conditions in the area have been secured by control flammable materials.
4. Refrigerant-presence inspection
Before and during performing work, check the area with a suitable refrigerant detector
to ensure that the technician is aware of potentially flammable atmospheres. Make sure
that the leak-detection equipment used is suitable for use with flammable refrigerants, i.e.,
does not cause sparking, is properly sealed, and is intrinsically safe.
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