Manual Hayward SumHeat Fi Heat Pump - R32 (page 73 of 418) (English, German, Dutch, French, Italian, Portuguese, Spanish, Norwegian)

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5. MAINTENANCE AND WINTERISING

5.1 Maintenance

These maintenance operations must be carried out once per year in order to

guarantee the longevity and the good working condition of the heat pump.

• Clean the coil with the help of a soft brush or jet of air or water (Warning,

never use a high pressure cleaner).

• Verify that the drains flow well.

• Verify the tightening of the hydraulic and electrical connections

• Verify the hydraulic sealing of the condenser.

• Have the leak-tightness of the cooling circuit to the leak detector checked

by an accredited professional.

Before any maintenance operation, the heating pump must be

disconnected from any electrical current source. The maintenance

operations must only be carried out by personnel that is qualified and

authorised to handle liquid refrigerants.

Any damage caused by poor winterising maintenance will lead to

cancellation of the warranty.

5.2 Winterising

• Put the heat pump in “OFF” mode.

• Cut the power supply to the heat pump.

• Drain the condenser to avoid it being damaged by frost during the winter.

To do so, dismantle the water inlet and outlet couplings.

• Close the by-pass valve and unscrew the entry/exit connection unions.

• Eliminate the maximum amount of residual stagnant water from the

condenser with the help of an air gun.

• Close the water entry and exit areas of the heating pump to avoid

introducing foreign bodies.

• Cover the heating pump with a dedicated winterising case.

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Hayward SumHeat Fi Heat Pump - R32 Manual

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