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1.7. Ventilation
Ensure that the area is outdoors or adequately ventilated before intervening in the system
or carrying out any work at high temperature. Proper ventilation must be kept at all times
during work. Ventilation should safely disperse any refrigerant released and preferably expel
it externally to the atmosphere.
1.8. Verification of refrigeration equipment
When electrical components are replaced, they must be fit for purpose and to the correct
specification. The manufacturer's maintenance and service guidelines must be followed at all
times. In case of doubt, refer to the manufacturer's technical department for assistance.
The following checks must be applied to installations using flammable refrigerants:
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The load size is in accordance with the size of the room where refrigerant-containing
parts are installed.
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Ventilation machinery and outlets can be properly operated and are unobstructed.
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If an indirect cooling circuit is used, the secondary circuit must be checked for refrigerant
presence.
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Equipment marking remains visible and legible. Illegible markings and symbols should be
corrected.
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The components or refrigerant piping are installed in a position where they are not
susceptible to exposure to any substance that may corrode the refrigerant-containing
components, unless the components are made of materials that are inherently resistant
to corrosion or are properly protected against it.
1.9. Verification of electrical devices
Repair and maintenance of electrical components should include initial safety checks and
component inspection procedures. If there is a fault that may compromise safety, then no
power supply should be connected to the circuit until the fault is satisfactorily dealt with. If
the fault cannot be corrected immediately, but continued operation is necessary, a suitable
temporary solution must be used. This should be reported to the owner of the equipment so
as to inform all parties.
During initial safety checks, make sure
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that capacitors are unloaded–this must be done in a safe manner to avoid sparks;
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that no live wiring or electrical components are exposed while loading, recovering, or
purging the system;
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that there is continuity in the earth connection.
2. Repair of sealed components
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During the repair of sealed components, all power supplies should be disconnected
from the equipment being worked on prior to any removal of sealed covers, etc. If it is
absolutely necessary to have a power supply to the equipment during service, then a
permanently operating form of leak detection should be placed at the most critical point
to warn of a potentially hazardous situation.
AIRCLIMA 9000 SMARTFRESH/ AIRCLIMA 12000 SMARTFRESH/ AIRCLIMA 18000 SMARTFRES/
AIRCLIMA 24000 SMARTFRESH/ AIRCLIMA 12000 SMARTFRESH CONNECTED
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