Aktobis WDH-520EB Manuale d'uso - Pagina 9

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INSTRUCTION FOR REPAIRING APPLIANCES CONTAINING R 290

for the recovery of refrigerant). Cylinders shall be complete with pressure relief valve

and associated shut-off valves in good working order. Empty recovery cylinders are

evacuated and, if possible, cooled before recovery occurs.

The recovery equipment shall be in good working order with a set of instructions

concerning the equipment that is at hand and shall be suitable for the recovery of

flammable refrigerants.

In addition. a set of calibrated weighing scales shall be available and in good working

order. Hoses shall be complete with leak-free disconnect couplings and in good

condition. Before using the recovery machine, check that it is in satisfactory working

order, has been properly maintained and that any associated electrical components are

sealed to prevent ignition in the event of a refrigerant release. Consult manufacturer if

in doubt.

The recovered refrigerant shall be returned to the refrigerant supplier in the correct

recovery cylinder, and the relevant Waste Transfer Note arranged. Do not mix

refrigerants in recovery units and especially not in cylinders.

If compressors or compressor oils are to be removed, ensure that they have been

evacuated to an acceptable level to make certain that flammable refrigerant does

not remain within the lubricant. The evacuation process shall be carried out prior to

returning the compressor to the suppliers. Only electric heating to the compressor body

shall be employed to accelerate this process. When oil is drained from a system, it

shall be carried out safely.

19.Transport of equipment containing flammable refrigerants (Annex CC.1)

Compliance with the transport regulations

20.Discarded appliances supplies flammable refrigerants

See National Regulations.

21. Storage of equipment/appliances

The storage of equipment should be in accordance with the manufacturer's

instructions.

22.Storage of packed (unsold) equipment

Storage package protection should be constructed such that mechanical damage to

the equipment inside the package will not cause a leak of the refrigerant charge.

The maximum number of pieces of equipment permitted to be stored together will be

determined by local regulations.

23.Marking of equipment using signs

See local regulations