Installation - Operation - Maintenance manual (IOM) • AIR COOLED CHILLERS & SPLIT UNITS - 0105-E • 43 •
TROUBLESHOOTING - REPAIRS
8.5.1.2 - Description of inspection duties - Liquid chiller with reciprocating compressor(s)
START UP
- Check unit installation
- Check water flow and water circuit ancillaries
- Check safety devices
- Check leaktightness
- Configuration of the microprocessor based management system (if used)
- Verification of operating parameters and unit performance
- Transmission of the machine service log
500 H / 1000 H VISITS
- Post wear in inspection
- Oil acidity test, leak test
- Replacement of the filter-drier cartrides depending on the results of the test above.
- Monitor unit performance and any eventual variations linked to use of the installation.
INSPECTION VISIT
- Leak test
- Operating test with record of measurements taken and functional analysis.
MAJOR TECHNICAL INSPECTION
- Inspection visit
- Acid test
- Oil change if necessary
- Replacement of filter-drier cartridges if necessary
- Check up on the microprocessor based management system (if used)
- Adjustment of safety devices
- Verification of unit interlocks
- Lubrication of bearings / dampers if necessary
15 000 H VISIT
- Major technical inspection
- Inspection of the compressor and replacement of valves, springs and seals (depending on the type of
compressor).
30 000 H VISIT
- Major technical inspection
- Inspection of the compressors with replacement of the valves, springs, seals and gaskets, bearings, oil discharge
valve, piston rings.
- Dimensional inspection of the big ends and gudgeon pins, replacement of parts as required (quotation)
(depending on the type of compressor).
TUBE ANALYSIS
- Inspection of water cooled evaporator and condenser tube bundles with an eddy current test to enable potentially
serious problems to be anticipated.
- Frequency : Every 5 years up to 10 years (depending on the quality of water), then every 3 years.
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