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6 - OPERATING INSTRUCTIONS 4.2 - AIR FILTERThe filter on the exchanger for boat air outlet (B) must be periodically cleaned and/or substituted. This fil-
ter avoids the obstruction of the sailboat air conditioner exchanger. The maintenance frequency depends
on the running hours number and above all on the air pollution. We suggest to clean the filter every
month. An obstructed air filter can cause a decrease of the system efficiency in cooling mode
(COOL). In the heating cycle (RC models) in systems with reversal cycle, it can block the system
because of the high pressure; in EH models with electrical resistance it can block the system
because of the intervention of an internal safety device. 4.3 - SEAWATER FILTER The water filter for boats (R) on the intake of the cooling water electri-
cal pump must be periodically cleaned. Thanks to this filter
the pump and the cooling circuit work correctly. The mainte-
nance frequency depends on the running hours number of
the system and above all on the water pollution. We suggest
to check the sea water filter every week. To check that there
are no obstructions, check the pump outboard discharge (N).
If there is a lack of circulating water in the cooling cycle, the
efficiency of the system decreases and the air-conditioner
may get stuck. In the heating cycle, in RC models it can
decrease the system efficiency.4.4 - COLDIf you don't use the marine boat and the temperature is below 0° C, you must drain the water in the con-
denser, in the electrical pump, in the filter and in the connection pipes. You must:
- close the sea water intake;
- take off the pipe of the water intake on the condenser (between the electrical pump and the air-
conditioner) to drain the condenser water;
- clean the filter and drain the water in the filter and in the electrical pump.5 - IDENTIFICATION OF THE PRODUCTEach product is identified by means of a label. Make reference to the description, to the code, to
the series number if you must eventually call the Assistance Centre. ENGLISH 9
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