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when handled without care.
Information about potential ignition sources, especially
those that are not obvious, such as lighters, light switches,
vacuum cleaners, electric heaters.
Information about the different safety concepts:
Unventilated – (see Clause GG.2) Safety of the appliance
does not depend on ventilation of the housing. Switching off
the appliance or opening of the housing has no significant
effect on the safety. Nevertheless, it is possible that leaking
refrigerant may accumulate inside the enclosure and flam-
mable atmosphere will be released when the enclosure is
opened.
Ventilated enclosure – (see Clause GG.4) Safety of the ap-
pliance depends on ventilation of the housing. Switching off
the appliance or opening of the enclosure has a significant
effect on the safety. Care should be taken to ensure a suffi-
cient ventilation before.
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 ef-
fect 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 refriger-
•
ant charge or that the ventilation duct is assembled in a
correct manner.
Connect the pipes and carry out a leak test before
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charging with refrigerant.
Check safety equipment before putting into service.
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