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Local Air-conditioner / User Manual
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.
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Safety awareness
