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MAINTANENCE
Three-monthly checks
Carry out the following checks every three months:
•
check the power supply;
•
check the alarm status;
•
check the working pressures and temperatures;
•
check the correct operation of the local/remote controls;
•
check the air filters, cleaning and replacing them if
necessary;
•
check the efficiency of the condensing drain;
•
check the steam cylinder is clean, replacing it if
necessary;
•
check and clean if necessary the condensing coil.
Controlli semestrali
Six-monthly checks
Carry out the following checks every six months:
•
repeat these checks on a three-monthly basis;
•
check and clean if necessary the cooling coil;
•
controllare il funzionamento dell'umidificatore, se pre-
sente (vedi sezione "Accessori umidificatore").
Annual checks
Carry out the following checks every year:
•
repeat these checks on a six-monthly basis;
•
check the varnish and the nuts and bolts;
•
check the hinges, rabbets and gaskets;
•
check the cables and wiring;
•
tighten the terminal blocks;
•
check and reset if necessary the safety device settings
(pressure switches, thermostats, protection devices);
•
check the operation of the post heating electrical heaters
•
check the fittings, operation and absorption of the
evaporating fan/s;
•
check the fittings, operation and absorption of the
compressor/s;
•
check and if necessary replace the seal of the refrigerant
circuit/s and tighten the joints and connections of the
unit;
•
check and top up if necessary the refrigerant gas and/or
oil;
•
check and if necessary reset the regulation devices
setting;
•
check and if necessary replace the seal of the hydraulic
circuits/s and tighten the unit couplings;
•
check the fittings and operation of the condensing fan/s;
•
check and reset if necessary the condensing speed
setting.
Checks to be performed every sixty months
•
Check and if necessary replace the gas filters;
•
check and if necessary replace the compressor oil.
WARNING! Before removing the internal
protection panels, disconnect the power supply
by turning the main isolating switch D5 to
position "O", then wait until the fans stop and
the electrical heaters cool down.
28
Cleaning and repalcing the filter
To clean or change the filter proceed as follows:
•
rotate the closing blocks of the front panel by one quarter
of a turn and remove the panel to access the air filter;
•
memorize the direction of the airflow shown on the fra-
me of the filter, as indicated by the arrow, and remove;
•
clean the air filter using a jet of compressed air or replace
it;
•
reposition the air filter on the unit checking the direction
of the airflow as previously noted.
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Troubleshooting
