• 46 • Installation - Operation - Maintenance manual (IOM) • AIR COOLED CHILLERS & SPLIT UNITS - 0105-E
TROUBLESHOOTING - REPAIRS
8.5.3 - LIQUID CHILLERS WITH SCREW COMPRESSOR(S)
8.5.3.1 - Number of recommended preventive maintenance visits :
This table is published for units operating under normal conditions with an average annual runtime of 4000 hours.
In hostile industrial environments, a specific maintenance visit schedule must be envisaged.
(1) Depending on the quality of the water
NUMBER OF RECOMMENDED PREVENTIVE MAINTENANCE VISITS
Year Start up
500/1000H
visit
Major
technical
inspection
Inspection visit
30000 h
inspection
Tube analysis
1 1 1 2
2 1 3
3 1 3
4 3
5 1 3 1
(1)
6 1 3
7 3 1 1
8 1 3
9 1 3
10 3
+10
Every year 3 times a year
Every 30000
hours
Every 3 years
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