Bedienungsanleitung WDH 9000K (Seite 27 von 55) (Deutsch, Englisch)

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d) Decommissioning

• If the safety is affected when the equipment is putted out of service, the refrigerant charge shall be removed

before decommissioning.

• Ensure sufficient ventilation at the equipment location.

• Be aware that malfunction of the equipment may be caused by refrigerant loss and a refrigerant leak is

possible.

• Discharge capacitors in a way that won’t cause any spark.

• Remove the refrigerant. If the recovery is not required by national regulations, drain the refrigerant to the

outside. Take care that the drained refrigerant will not cause any danger. In doubt, one person should guard

the outlet. Take special care that drained refrigerant will not float back into the building.

• Evacuate the refrigerant circuit.

• Purge the refrigerant circuit with nitrogen for 5 min.

• Evacuate again.

• Fill with nitrogen up to atmospheric pressure.

• Put a label on the equipment that the refrigerant is removed.

e) Disposal

• Ensure sufficient ventilation at the working place.

• Remove the refrigerant. If the recovery is not required by national regulations, drain the refrigerant to the

outside. Take care that the drained refrigerant will not cause any danger. In doubt, one person should guard

the outlet. Take special care that drained refrigerant will not float back into the building.

• Evacuate the refrigerant circuit.

• Purge the refrigerant circuit with nitrogen for 5 min.

• Evacuate again.

• Cut out the compressor and drain the oil.

Transportation, marking and storage for units that employ flammable refrigerants

Transport of equipment containing flammable refrigerants

Attention is drawn to the fact that additional transportation regulations may exist with respect to equipment

containing flammable gas. The maximum number of pieces of equipment or the configuration of the

equipment, permitted to be transported together will be determined by the applicable transport regulations.

Marking of equipment using signs

Signs for similar appliances used in a work area generally are addressed by local regulations and give the

minimum requirements for the provision of safety and/or health signs for a work location.

All required signs are to be maintained and employers should ensure that employees receive suitable and

sufficient instruction and training on the meaning of appropriate safety signs and the actions that need to be

taken in connection with these signs.

The effectiveness of signs should not be diminished by too many signs being placed together.

Any pictograms used should be as simple as possible and contain only essential details.

Disposal of equipment using flammable refrigerants

See national regulations.

Storage of equipment/appliances

The storage of equipment should be in accordance with the manufacturer’s instructions.

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.

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WDH 9000K Seite 27

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