4 Maintenance
In order to insure your appliance operates correctly for
many years, the maintenance operations described
below are required at the start of each heating season.
Generally, these are performed as part of a service
contract.
4.1 Regular checks
-Periodically check the water pressure in the heating
circuit (Refer to the pressure recommended by the
installer - between 1 to 2 bar).
-If filling and re-pressurization are required, check what
type of fluid has been used initially (If in any doubt,
contact your installer).
-If frequent refills are required it is essential that you
look for any leaks.
"
The frequent water supply is at risk of scaling for
the Heat exchanger and degrades performance
and longevity of it.
4.2 Checking the outdoor unit
Dust off the heat exchanger if necessary, being careful
not to damage the fins.
Check that there is nothing obstructing the passage of air.
• Checking the refrigeration circuit
When the refrigerant charge is in excess of 2kg
(excellia 11 single phase, excellia 14 single phase,
excellia 11 3-phase, excellia 14 3-phase and
excellia 16 3-phase models) it is compulsory to have
an approved after sales service check the refrigeration
circuit every year (with a certificate of capacity for
the handling of refrigerants). Consult your heating
technician.
Operation manual "1534 - EN"
Air to Water Heat Pump
- 18 -
When the refrigerant charge is in excess of 2kg
(High Power 11 single phase, High Power 14 single phase,
High Power 11 3-phase, High Power 14 3-phase and
High Power 16 3-phase models) it is compulsory
to have an approved after sales service check the
refrigeration circuit every year (with a certificate of
capacity for the handling of refrigerants). Consult your
heating technician.