Uniflair WMA 0121 Operation And Maintenance Manual
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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 21 (32)MAINTENANCEREGULAR CHECKSThe following maintenance operations should be done regularly:• check the set values of the control and regulation devices• check that room conditions on the mP20/W terminal display are normal• check normal condensation and evaporation pressures or saturated temperatures• check the refrigerant charge; the sight glass should be clear (however the presence of a few bubbles is normal• check the correct function of the external air damper• check normal temperature and noise levels of compressor and fans• check the air filters; clean or change the filters when the dirty filter alarm comes on• check the flow of condensate to the drain• check whether the condenser is dirty, removing any obstructing material with a jet of compressed air or water• check that all electric terminal connections are tight• check that power supply voltage is within design limits.CLEANING AND CHANGING THE AIR FILTERInspect the filter cartridge at least once amonth and whenever there is a blocked filteralarm: Clean or chage the filter as necessary.models 0121-0331 open the central front panelmodels 0551…0661 open the top front panel- remove the filter cartridge (F), shake it toremove large particles then clean with avacuum cleaner. Change the filter if it isblocked.FWM 0121…0331FWM 0551-0661Fig. 6. |
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