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Maintain after use
1. Cut off the power source of the air conditioner, turn off the main power switch and
remove the batteries from the remote controller.
2.
Clean the filter and the unit body.
3. Remove the dust and debris from the outdoor unit.
4. Check whether there is damage in the mounting bracket of the outdoor unit, and if
any, please contact costumer service.
Notes on maintenance
• For maintenance or scrap, please contact authorized service centers or similarly
qualified persons.
•
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.
• Provide the technician with the instruction manual and ask repairer to read after-
sales technical service handbook for detailed information.
Qualificationrequirementsofmaintenancepersonnel
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 from an industry-
accredited assessment body.
2 The maintenance and repair of the air conditioner must be conducted according to
the method recommended by the manufacturer. If 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.
Inspection of the Site
• 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.
