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10) Repairs to sealed components
a)
During repairs to sealed components, all electrical supplies shall be disconnected from the equipment being worked upon
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situation.
b)
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terminals not made to original specification, damage to seals, incorrect fitting of glands, etc.
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placement parts shall be in accordance with the manufacturer s specifications.
NOTE
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11) Repair to intrinsically safe components
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from a leak.
12) Cabling
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take into account the effects of aging or continual vibration from sources such as compressors or fans.
13) Detection of flammable refrigerants
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naked flame) shall not be used.
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be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant. Leak detection equipment shall be
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refrigerant and corrode the copper pipe-work.
NOTE
Examples of leak detection flu ids are
• bubble
method
•
fluore scent method agents
If a leak is suspected, ali naked flames shall be removed/extinguished.
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Removal of refrigerant shall be accord ing to Clause DD.9.
14) Removal and evacuation
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• Remove
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•
Purge the circuit with inert gas;
• Evacuate;
•
Purge with inert gas;
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