Uniflair WMA 0121 Operation And Maintenance Manual
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Contents
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OPERATION AND MAINTENANCE MANUALWall Mounted 0121…0661Monobloc Wall Mounted Unit - WMA/WMF 0121-0181-0251-0281-0331-0551-0661 - Rev. 2.0. - Date: 18-07-2000 EN 3 (32)ContentsPageGENERAL DESCRIPTION 4Documentation enclosed with the unit 4Description of the unit and intended use 4Function limits 5Description of main components 5Accessories 6Function principles 7Free-cooling system 7Data plate 10START-UP AND TESTING 11Start-up procedure 11FUNCTION & REGULATION 12Microprocessor control 12Management of two units 13Measurement and alarm devices 14Regulation of condensation pressure 15Setting the regulation and safety devices 16Setting the airflow sensor 17Setting the dirty filter sensor 17TECHNICAL DATA 18General characteristics 18Electrical characteristics 20MAINTENANCE 22Regular checks 22Cleaning and changing the air filter 22Cleaning the external air pre-filter 23Cleaning the air-cooled condenser 23Damper maintenance – changing the motor 23Changing the electrical heating element 24Cleaning and changing the condensate drain tube 24Adjusting the refrigerant charge 24PROBLEM SOLVING 26Temperature control 27Humidity control 27Fans 28Refrigerant circuit 28Compressors 30Electric heaters 30Free cooling 31IMPORTANT: the description of the Control System and the operating logic of the unit are given in themP20W Control System instruction manual. |
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