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Operation Manual 
WEBASTO BLUE COOL PREMIUM 
Chilled Water Systems 

 

General Information

 

Dear Webasto Customer! 
This operation manual provides an overview about how to use the compact air condition system 
and its control panel. An extensive description and documentation can be found in the installation 
and service manual. 
 

Safety Notes

 

In general, all A/C systems run at 230 Volts AC. For all work performed on components like 
pumps, compressor, blowers or electronics, the power connection must be interrupted. All work on 
electrical wiring must be performed by specialized installers. 
Before starting the air-condition system, check the following points: 

 The closing valve at the sea-cock is open! 

 The sea-water strainer is clean and filled with water! 

 The boat has enough water under the body and the sea-cock is not blocked! 

 All supply and return air grilles are open and not blocked by luggage, clothing or anything else! 

 After turning unit on, water comes out of the over-board discharge. If it does not, turn the 

   unit off and check the sea-water circuit again! 
 

Warranty claims

 

Failure to follow the installation manual and the information, recommendations and descriptions 
therein will void all warranties. The same applies if repairs are carried out incorrectly, with the use 
of non-genuine parts or by unauthorized personnel. Warranty claims are only valid if the claimant 
can verify that he has complied with the maintenance and safety instructions. 
 

Maintenance

 

 

Check monthly 

 Air filter in the return air grilles (where applicable) and clean if necessary. 

 Sea water circuit for leaks in the whole system from the sea-cock to the 

   sea water exit. 

 Condensation drain for free flow and leaks. 

 Air-ducting for damage, interruption and free flow. 

 Function of the system by having it run for at least 10 minutes. 

Winter storage 

At frost temperatures the whole sea water circuit must be emptied and the 
sea water valve closed. 

 

 

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