NewAir NAC12KWH03 Manual Del Propietário página 34

outlet. Take special care that drained refrigerant will not float back into the
building.
• When flammable refrigerants are used,
a) Evacuate the refrigerant circuit.
b) Purge the refrigerant circuit with oxygen-free nitrogen.
c) Evacuate again (not required for A2L refrigerants).
d) Cut out the compressor and drain the oil.
• Evacuate the refrigerant circuit.
• Purge the refrigerant circuit with nitrogen for 5 min.
• Evacuate again.
• Cut out the compressor and drain the oil.
Transportation, marking, and storage for units that employ flammable
refrigerants
• ATTENTION: Additional transportation regulations may exist with respect to
equipment containing flammable gas. The maximum number of pieces of
equipment or the configuration of the equipment permitted to be
transported together will be determined by applicable transport regulations.
Marking of equipment using signs
• Proper signage for similar appliances used in work areas is generally
addressed by local regulations which will provide the minimum
requirements for safety and/or health signage in work locations.
• All required signs are to be maintained, and employers should ensure that
employees receive suitable and sufficient instruction and training on the
meaning of appropriate safety signs and the actions that need to be taken in
connection with these signs.
• The effectiveness of signs should not be diminished by too many signs being
placed together.
• Any pictograms used should be as simple as possible and contain only
essential details.
Disposal of equipment using flammable refrigerants
• See national regulations.
Storage of equipment/appliances
• The storage of equipment should be in accordance with manufacturer
instructions.
• For storage of packed (unsold) equipment, package protection should be
constructed such that mechanical damage to the equipment inside the
package will not cause a refrigerant leak.
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