Uniflair WMA 0281 Manual de instrucciones descargar pdf (Pagina 21)

OPERATION AND MAINTENANCE MANUAL

Wall Mounted 0121…0661

Monobloc Wall Mounted Unit - WMA/WMF 0121-0181-0251-0281-0331-0551-0661 - Rev. 2.0. - Date: 18-07-2000 EN

21 (32)

MAINTENANCE

REGULAR CHECKS

The 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 FILTER

Inspect the filter cartridge at least once a

month and whenever there is a blocked filter

alarm: Clean or chage the filter as necessary.

models 0121-0331 open the central front panel

models 0551…0661 open the top front panel

- remove the filter cartridge (F), shake it to

remove large particles then clean with a

vacuum cleaner. Change the filter if it is

blocked.

WM 0121…0331

WM 0551-0661

Fig. 6.

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Uniflair WMA 0281 Manual de instrucciones Pagina 21