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Idiomas disponibles
INSTRUCTIONS FOR REPAIRING APPLIANCES CONTAIN-
ING R290
1 GENERAL INSTRUCTIONS
1.1 Checks to the area
Prior to beginning work on systems containing flammable
refrigerants, safety checks are necessary to ensure that the
risk of ignition is minimised. For repair to the refrigerating
system, the following precautions shall be complied with
prior to con-ducting work on the system.
1.2 Work procedure
Work shall be undertaken under a controlled procedure so
as to minimise the risk of a flammable gas or vapour being
GB
present while the work is being performed.
1.3 General work area
All maintenance staff and others working in the local area
shall be instructed on the nature of work being carried out.
Work in confined spaces shall be avoided.The area around
the workspace shall be sectioned off. Ensure that the con-
ditions within the area have been made safe by control of
flammable material.
1.4 Checking for presence of refrigerant
The area shall be checked with an appropriate refrigerant
detector prior to and during work, to ensure the technician
is aware of potentially flammable atmospheres. Ensure that
the leak tection equipment being used is suitable for use
with flammable refrigerants, i.e. nonsparking, adequately
sealed or intrinsically safe.
1.5 Presence of fire extinguisher
If any hot work is to be conducted on the refrigeration equip-
ment or any associated parts, propriate fire extinguishing
equipment shall be available to hand. Have a dry powder or
CO 2 fire extinguisher adjacent to the charging area.
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