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8.6 Component Replacement
The parts that need to be replaced must be supplied by our company, and the use of components from other
manufacturers to replace any parts of the unit is not permitted.
8.7 Repair and Inspection
1) Maintenance Cycle
It is recommended to consult your local air conditioning service center for an inspection and maintenance of the unit
before switching the operating mode for summer cooling and winter heating each year, to prevent any air
conditioning malfunctions that may inconvenience your life and work.
2) Maintenance of Major Components
During operation, close attention should be paid to the suction and discharge pressures. If abnormalities are found,
promptly identify the cause of the fault and rectify it.
Control and protective equipment. Be careful not to arbitrarily adjust the set values on-site.
Regularly check if electrical connections are loose and if contact points experience oxidation, foreign matter, or
other issues causing poor contact, and take measures in a timely manner if necessary.
Frequently check if the working voltage, current, and phases are balanced.
Promptly check the reliability of electrical components. Ineffective or unreliable components should be replaced in a
timely manner.
8.8 Repair Requirements
- Ensure safe isolation of power supply.
-Reclaim any refrigerant in the system, into the correct bottles for R32.
-Before soldering on the system, carry out the following as a minimum requirement.
-Charge the system with OFN for a minimum of 10 minutes, then release.
-Vacuum the system for no less than 30 minutes.
-Purge the system with OFN 1-2 BAR for at least 2 minutes. Ensuring it goes in one end of the system and out the
other side.
-Ensure via a leak detector that no R32 is within the system.
-If the detector (pricks) up a trace then carry out the above again.
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