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risk of fire or explosion. All possible ignition sources, including cigarette smoking,
refrigerant shall use any sources of ignition in such a manner that it may lead to the
involves exposing any pipe work that contains or has contained flammable
No person carrying out work in relation to a refrigeration system which
•
No ignition sources
hand. Have a dry powder or CO2 fire extinguisher adjacent to the charging area.
associated parts, appropriate fire extinguishing equipment shall be available to
If any hot work is to be conducted on the refrigeration equipment or any
•
Presence of fire extinguisher
safe.
use with flammable refrigerants, i.e. non-sparking, adequately sealed or intrinsically
and during work, to ensure the technician is aware of potentially flammable
The area shall be checked with an appropriate refrigerant detector prior to
•
Checking for presence of refrigerant
conditions within the area have been made safe by control of flammable material.
instructed on the nature of workspace shall be sectioned off. Ensure that the
All maintenance staff and others working in the local area shall be
•
General work area
the risk of a flammable gas vapour being present while the work is being performed.
Work shall be undertaken under a controlled procedure so as to minimize
•
Work procedure
prior to conducting work on the system.
repair to the refrigerating system, the following precautions shall be compiled with
safety checks are necessary to ensure that the risk of ignition is minimized. For
Prior to beginning work on systems containing flammable refrigerants,
Checks for the area
Information on servicing6.
be determined by local regulations.
The maximum number of pieces of equipment permitted to be stored together will
the equipment inside the package will not cause a leak of the refrigerant charge.
Storage package protection should be constructed such that mechanical damage to
Storage of packed (unsold) equipment5.
instructions.
The storage of equipment should be in accordance with the manufacturer’s
Storage of equipment applications4.
See national regulations
Disposal of equipment using flammable refrigerants3.
See local regulations
Marking of equipment using signs2.
See transport regulations
1.
Transport of equipment containing flammable refrigerants
Safety operation of flammable refrigerant
atmosphere. Ensure that the leak detection equipment being used is suitable for
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