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11.02
Part 5 Maintenance
5.2.6 High differential
pressure at CA-side:
Cause
5.2.6.1 Compressed air volume
flow too high
5.2.6.2 Working pressure too
low
5.2.6.3 Icing of CA-dryer
Remedy
Check whether CA-dryer´s capacity is properly selected,
increase CA-dryer´s capacity
Increase operating pressure, check whether CA-dryer´s
capacity is properly selected
Characteristics: - differential pressure at com-
pressed air side increases
- volume flow decreases
Disconnect unit and maintain compressed air flow. After
approx. half an hour, the differential pressure will return
to normal value. Restart the unit. If the heat exchanger
ices up again call for service.