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BlueCool S Series
11
Inspection and Maintenance
ATTENTION
The fins of the evaporator can be damaged!
The finned pipes of the evaporator can easily be
bent. If damage to the fins occurs during
installation, make sure that they are correctly
aligned again to ensure the evaporator is
properly supplied with air.
It is recommended that a number of routine checks be
carried out at regular intervals and when switching on the
air-conditioning system so that the system continues to
function properly and maintains its performance level for
many years.
At least once a month, the function of the air-conditioning
system must be checked. To do this, the system must be
switched on and must run for at least 10 minutes.
11.1 Air filter
At least once a month, the air filter on the evaporator of the
air-conditioning system must be checked and cleaned if
necessary.
Pull the air filter upward out of the guide rails.
Clean the air filter with a vacuum cleaner and use water
to flush it if necessary.
Slide the air filter in to the air-conditioning unit again.
11.2 Sea water circuit
The operation of the sea water circuit must always be
checked, especially after a longer absence.
Check immediately after each switch-on of the air-condi-
tioning system whether sea water flows out of the sea wa-
ter outlet.
The minimum flow rates should be complied with.
Immediately switch off the air-conditioning system if no
sea water flows out after the compressor starts up.
At least once a week, check the sea water strainer for
cleanliness.
Clean if necessary.
At least once a month, check the entire sea water circuit
from the through-hull fitting to the sea water outlet for
leaks.
At least once a month, check condensed-water drainage
from the condensate tray and condensed-water drain line
for clear passage and leakage.
11 Inspection and Maintenance
At least once a year, the sea water circuit including the
condenser of the air-conditioning unit must be cleaned. The
time interval is dependent on the degree of soiling of the sea
water.
Soiling of the sea water circuit reduces the sea water flow
rate, which decreases the heat dissipation and can result in
high-pressure switch-offs.
If the condenser is soiled, the cooling or heating capacity of
the system decreases.
The sea water circuit is only to be cleaned by an expert
(installer or Webasto Service Centre).
11.3 Electrical wiring
At least once a year, the electrical connections must be
checked for corrosion of the contacts and firm seating. The
mechanical strain reliefs of the lines must also be checked.
1
2
5
Fig. 22 Graphic for checking wiring
1 = Compressor earthing cable
2 = High-pressure switch
3 = Low-pressure switch
4 = Coil of 4-way reverse valve
5 = Earthing cable of condensate tray
3
4
41
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