55
Ordinary maintenance
Proper maintenance of the systems maintains eciency (reducing costs) and consistent performance
over time, and increase the usable life of the equipment.
ACTIVITY
FREQUENCY
A B C D E
General cleaning of the unit.
√
Check and eventual disassembly and washing of lters.
√
Replacing the lters (when they have deteriorated). in case of alarm
Clean the nned surfaces of the coils (if provided) with a compressed air jet and soft brush.
√
Clean the exchange surfaces of heat recuperators with a compressed air jet and soft brush.
√
Empty and clean the condensate drain pans.
√
Visual inspection for corrosion, limescale, release of brous substances, any damage, abnormal vibrations,
etc. (if possible, it is advisable to extract the components for a more thorough inspection).
√
Check condensate drain and cleaning of siphons.
√
In the case of water coils check for the presence of Legionella.
√
Cleaning of the heat exchanger
√
Check tightness of screws and bolts in the fan section.
√
Check the impeller and various devices, with removal of any buildup.
√
Check the integrity of piping connected to pressure gauges and pressure switches.
√
Check the ground connection.
√
Power connection terminal tightness
√
A: every year
B: every six months
C: every 3 months
D: every month
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