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Local Air-conditioner / User Manual
In many countries, this training is carried out by national training
organizations that are accredited to teach the relevant national
competency standards that may be set in legislation.
The achieved competence should be documented by a certificate.
Tranng
The training should include the substance of the following:
Information about the explosion potential of flammable refrigerants to
show that flammables may be dangerous 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 flammable atmosphere will be released
when the enclosure is opened.
Ventilated enclosure – (see Clause GG.4) Safety of the appliance
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 sufficient ventilation before.
1 Safety awareness
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