• The appliance must be stored in such a way
• Individuals who operate or work on the
• Repairs must be performed based on the
Maintenance and repairs that require the assis-
tance of other qualified personnel must be per-
formed under the supervision of an individual
specified in the use of flammable refrigerants.
Appliances shall be installed,operated and stored
in a room with a floor area larger than 4 m
appliance shall be stored in a well-ventilated area
where the room size corresponds to the room area
as specified for operation.
INSTRUCTIONS FOR REPAIRING APPLIANCES CONTAINING
R290 / R32
1
GENERAL INSTRUCTIONS
This instruction manual is intended for use by individuals possessing adequate
backgrounds of electrical, electronic, refrigerant and mechanical experience.
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 conducting 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 present while the work is being performed.
4
72
the refrigerant caused by electric heaters,
stoves, or other sources of ignition.
as to prevent mechanical failure.
refrigerant circuit must have the appro-
priate certification issued by an accredited
organization that ensures competence in
handling refrigerants according to a specif-
ic evaluation recognized by associations in
the industry.
recommendation from the manufacturing
company.
2
. The