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24 / 220 EN Portable Air-conditioner / User Manual
Ventilated room – (see Clause GG.5) Safety of the appliance depends
on the ventilation of the room. Switching off the appliance or opening
of the housing has no significant effect on the safety. The ventilation
of the room shall not be switched off during repair procedures.
Information about the concept of sealed components and sealed
enclosures according to IEC 60079-15:2010.
Information about the correct working procedures:
a) Commissioning
• Ensure that the floor area is sufficient for the refrigerant charge
or that the ventilation duct is assembled in a correct manner.
• Connect the pipes and carry out a leak test before charging with
refrigerant.
• Check safety equipment before putting into service.
b) Maintenance
• Portable equipment shall be repaired outside or in a workshop
specially equipped for servicing units with flammable refrigerants.
• Ensure sufficient ventilation at the repair place.
• 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. The
standard procedure to short circuit the capacitor terminals usually
creates sparks.
• Reassemble sealed enclosures accurately. If seals are worn,
replace them.
• Check safety equipment before putting into service.
1 Safety awareness