10 Maintenance
10.1 General
Advertencia
Maintenance work must be carried out by a qualified professional.
Advertencia
Failure to service the system will void the warranty.
Advertencia
Use only genuine spare parts.
Peligro
There is always a risk that they pump could become extremely
hot, depending on the operating conditions of the pump as well as
the installation (temperature of the flow medium). Risk of burns
when touching the pump!
10.2 Standard inspection and maintenance operations
Peligro de electrocución
Disconnect the appliance from the power mains before carrying
out any maintenance operations.
Have a service carried out at least once a year, or more often, depending
on the regulations in force in your country:
1. Check for leaks in the system.
2. Check the hydraulic pressure.
3. Check the fluid drained via the safety valve and fill the installation if
necessary.
4. Check the status of the components.
5. Check the maximum flow rate of the pump.
6. Check the electrical connections.
7. Check that the collectors are not too dusty. The collectors can be
cleaned with water, but they must be cold to avoid breaking the glass.
8. Check if the collector installation shows any signs of damage or if
there is any accumulated waste.
9. Check if the collector shows any signs of corrosion.
10. Check if there is any damage or leaks in the accessories and
pipework, and check the condition of the insulation on these
components.
10.3 Specific inspection and maintenance operations
The expansion vessel has a non-return valve so that it can be removed
without having to drain the system should it need to be replaced.
Fig.45
Switching off the power supply
MW-0000149-1
Fig.46
Replacement of the expansion
vessel
BA-0000064-01
10 Maintenance
7729335 - 04 - 12052021
Solar hydraulic unit
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