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9 Maintenance and cleaning
A regularly maintenance is necessary in particular for correct
and efficient heat pump operations, so as to reduce damages
and usury of the components. The user decides the maintenance
frequency. It depends in particular on two factors:
•
The utilization mode: if the operating mode during the year
is single (heat pump or chiller), an annual maintenance is
suggested; if the operating mode is double (heat pump
and chiller) during the year, the maintenance shall be
halfyearly.
•
The installation place: if the installation is located in heavy
polluted places or in the presence of dust that could
obstruct the finned coil, it is suggested to frequently check
the finned coil conditions and, if necessary, to supply a
more frequent maintenance.
WARNING!
Disconnect the device from the electric supply before every
operation to avoid injuries due to the activation of some
particular operating logics.
9.1 Finned coil cleaning
During the machine functioning it’s possible that the finned
battery will partially obstructed because presence of leaves or
incrustations of various kinds, also provoking a malfunctioning of
the heat pump. It is possible then clean the battery with a under
pressure jet of air in a parallel direction of the fins, you should
also remove any deposits in the battery compartment keeping
an adequate distance so as not to risk to fold or damage them.
•
Clean the frontal surface;
•
Remove the panel on top as shown by the figure.
•
clean also the internal unit finned battery, especially if it is
placed in dusty ambient
WARNING!
Don’t touch the fins to avoid to be cutted. Don’t fold the fins, this
could reduce the performances. In case of folded fins, contact a
service center.
9.2 Condensate discharge cleaning
Please make sure that the condensate discharge pipe is in the
correct position e without any obstruction to ensure a proper
condensate flow from the finned coil fins.
9.3 Refrigerant circuit maintenance
The machine is equipped with a safety valve which ensure
the reduction of internal refrigerant circuit pressure in case of
external generation of heat (e.g. in case of fire).
To ensure proper operation of the valve, contact the manufacturer
and make sure to replace it each 4 years.
WARNING!
The direct contact between the skin and coolant out of the safety
valve cause serious injury. Do not stand near the valve.
