Copa Multi Naya 12, User Manual

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USER'S MANUAL
Maintenance Netice
Qualification requirements of maintenance personnel
lnspection of the Site
Operating Procedures
Attention :
For maintenance or serap, please contact authorized service centers.
Maintenance by unqualified person may cause dangers.
Feed air conditioner with R32 refrigerant, and maintain the air conditioner in strictly
accordance with manufacturer's requirements. The chapter is mainly focused on special
maintenance requirements for appliance with R32 refrigerant. Ask repairer to read
after-sales technical service handbook for detailed information.
Safety inspection must be taken before maintaining equipment with R32 refrigerant to
make sure the risk of fire is minimized. Check whether the place is well ventilated, whether
anti-static and fire prevention equipment is perfect.
While maintaining the refrigeration system, observe the following precautions before
operating the system.
1-
General work area :
AII 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 conditions within the area have been
made safe by control of flammable material.
2-
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 toxic or flammable atmospheres. Ensure
that the leak detection equipment being used is suitable for use with all applicable
refrigerants, i.e.non-sparking, adequately sealed or intrinsically safe.
3-
Presence of fire extinguisher :
lf any hot work is to be conducted on the refrigeration equipment or any associated parts,
appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or
C02 fire extinguisher adjacent to the charging area.
1-
Special training additional to usual refrigerating equipment repair procedures is required
when equipment with flammable refrigerants is affected. in many countries, this training is
carried out by national training organisations that are accredited to teach the relevant
national competency standards that may be set in legislation. The achieved competence
should be documented by a certificate.
2-
The maintenance and repair of the air conditioner must be conducted according to the
method recommended by the manufacturer. lf other professionals are needed to help
maintain and repair the equipment, it should be conducted under the supervision of
individuals who have the qualification to repair AC equipped with flammable refrigerant.