TCL TAC-09CPB/NZWLN Manuel D'utilisation page 40

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TCL Air Conditioner Service Manual

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.

– Remove parts to be replaced by cutting, not by flame.

– Purge the braze point with nitrogen during the brazing procedure.

– Carry out a leak test before charging with refrigerant.

• Reassemble sealed enclosures accurately. If seals are worn, replace them.

• Check safety equipment before putting into service.

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.