DK50 2V/50
DK50 4VR/50
03/2013
- 17 -
NP-DK50 2V50-4VR50-5_03-2013.doc
Size of regeneration nozzle for dryer M2, M3
Compressor Jet
size
Closing pressure
- cut-off pressure
Amount of dried air
Amount of regenerated air
DK50 2V/50/M3
Ø 0,6 mm
6 - 8 bar
140 l/min.
30 l/min./ 6bar
DK50 4VR/50/M2
Ø 0,85 mm
5 - 8 bar
280 l/min.
50 l/min./ 5bar
MAINTENANCE
14. MAINTENANCE SCHEDULE
Notice!
The operating entity is obliged to ensure that all tests of the equipment are carried out repeatedly at
least once within every 24 months (EN 62353) or in intervals as specified by the applicable national
legal regulations. A report must be prepared on the results of the tests (e.g.: according to EN 62353,
Annex G), including the measurement methods used.
Maintenance that must be performed
Chapter
Time interval
Performed by
• Release condensate
Compressor without air drier
At high air humidity
Compressors with air drier
15.1
1 x week
1 x day
1 x week, check function
operating staff
operating staff
operating staff
• Check safety valve
15.2
1 x year
qualified
technician
• Replacement of the input filter and
prefilter
15.3
1 x 2 years or after 5000 hours
qualified
technician
• Replacement of filter in dryer
15.4
1 x year
qualified
technician
• Replacement of the buoy in the water
separator
15.5
1 x year
qualified
technician
• Check tightness of joints
Overall examination of device
Service
documentation
1 x year
qualified
technician
• Perform “Repeated Test” according
to EN 62353
14
1 x 2 years
qualified
technician
15. MAINTENANCE
Repair work beyond normal maintenance can be performed only by qualified personnel or
the manufacturer’s representative.
Use only spare parts and accessories approved by the manufacturer.
Prior to any maintenance or repair work, switch off the compressor and disconnect it from
the mains (pull out the mains plug).
For permanently high efficiency of drying, it is necessary to maintain the whole appliance,
and mainly ventilator clean – regularly clean the surface of ventilator and cooling fins of
cooler.
Summary of Contents for DK50 2V/50
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