Manual Hayward Heat Relax (page 55 of 376) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Spanish, Norwegian)

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5. MAINTENANCE AND WINTERISATION

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.

• The maintenance and repairs of the device must be carried out by an

accredited professional in accordance with the regulatory texts and the

rules of the art in effect in the country where the device is installed (see

§ 3.4).

For any intervention on the cooling circuit, the professional must hold a

certificate of competence in handling refrigerants.

• Check the power cable. If the power cable is damaged, it has to be

replaced by the manufacturer, its after-sales service or by a qualified and

authorised person.

• Verify the grounding connection of the device and its continuity.

• 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.

5.2 Winterising

• Put the heat pump in “OFF” mode.

• Cut the power supply to the heat pump.

• Empty the condenser with the help of the drain to avoid any risk of

deterioration (high risk of freezing).

• 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.

Any damage caused by poor winterising maintenance will lead to

cancellation of the warranty.

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Hayward Heat Relax Manual

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