Webasto KK2000 E - Checklist for Care and Maintenance; Trouble-Shooting and Correction Measures

Roof-Mounted Air Conditioner KK2000 E
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WARNING
The coolant may never be released into the air (§ 8, CFC
chlorofluorocarbon prohibition from May 06, 1991).
6.4 Checklist for Care and Maintenance
System component Maintenance work Occurrence
m 6m a
Coolant system
– Lines
– Connections
– Coolant level
– Condenser
– Accumulator Dryer
– Condensation water
drainage
– Roof-Mounted Air
Conditioner
Check condition and sealing (leak search device)
Check sealing with leak search device
Check coolant amounts on glass front and pressure
Check condition of blades (clean if dirty)
Replace
Check opening is not clogged and clean if dirty
Check entire condition and connections for tightness.
X
X
X
X
X
X
X
Compressor
– Magnetic coupling
– Compressor
– Fan belts
– Fastening element
Check that the coupling/start of compressor does not slip
Check for noise when running
Check for perfect condition and tension.
Check for condition and tightness.
X
X
X
X
Elect. Connections
– Connection lines
– plug-in connections
Check for perfect condition.
Check for perfect condition and tightness.
X
X
Legend: m – monthly, a – annually (a – if operated all year, perform twice a year)
6.5 Trouble-Shooting and Correction Measures
General
a) Proceed systematically for trouble-shooting and correction. Take the
corresponding steps for general malfunctions or deviations from expected
conditions in the pressure check as described below.
b) Certain problems can only be detected and corrected by trained personnel with
special tools.
c) If there damages to the compressor (for example, defective valve plates), the
expansion valve must be replaced as the possible cause of damage.