16
Maintenance notice
16.8 Scrap and recovery
Scrap:
Before this procedure, the technical personnel shall be thoroughly familiar with the equipment and
all its features, and make a recommended practice for refrigerant safe recovery. For recycling the
refrigerant, shall analyze the refrigerant and oil samples before operation. Ensure the required power
before the test.
1. Be familiar with the equipment and operation.
2. Disconnect power supply.
3. Before carrying out this process, you have to make sure:
• If necessary, mechanical equipment operation should facilitate the operation of the refrigerant
tank.
• All personal protective equipment is effective and can be used correctly.
• The whole recovery process should be carried out under the guidance of qualified personnel.
• The recovering of equipment and storage tank should comply with the relevant national standards.
4. If possible, the refrigerating system should be vacuumized.
5. If the vacuum state can't be reached, you should extract the refrigerant in each part of the system
from many places.
6. Before the start of the recovery, you should ensure that the capacity of the storage tank is
sufficient.
7. Start and operate the recovery equipment according to the manufacturer's instructions.
8. Don't fill the tank to its full capacity (the liquid injection volume does not exceed 80% of the tank
volume).
9. Even the duration is short, it must not exceed the maximum working pressure of the tank.
10. After the completion of the tank filling and the end of the operation process, you should make
sure that the tanks and equipment should be removed quickly and all closing valves in the
equipment are closed.
11. The recovered refrigerants are not allowed to be injected into another system before being
purified and tested.
Note: The identification should be made after the appliance is scrapped and
C
refrigerants are evacuated. The identification should contain the date and
endorsement. Make sure the identification on the appliance can reflect the flammable
refrigerants contained in this appliance.
44 / 172 EN
Free match split type air conditioner / User Manual