Whirlpool ADN 103 Instrucciones de uso descargar pdf (Pagina 30)

SPECIAL ADVICE CONCERNING R-404 REFRIGERANT

• R-404 is a mixture of 3 liquid-phase gases. On evaporating, the 3 component gases separate

• Always use the liquid phase valve (at the end of condenser or accumulator) for refills and

purges.

•

When replacing a compressor, wash inside of circuit with a suitable solvent + pump, dry with

nitrogen gas, REPLACE THE DRIER WITH ONE SUITABLE FOR R-404, which must also

have ANTI-ACID properties.

• If you need to add oil, use one which is specific for R-4

04 (POE). If you are in doubt, contact

the machine manufacturer.

• If there is a leak anywhere in the circuit where R-404 in the GAS phase, and a refill of over

10% is required, then ALL THE GAS IN THE CIRCUIT MUST BE PURGED AND THEN

REFILL AS DESCRIBED PREVIOUSLY (LIQUID PHASE VALVE)

• When charging via low-pressure valve, do not start compressor immediately, allow about one

hour for liquid to gasify.

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Whirlpool ADN 103 Instrucciones de uso Pagina 30