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ENGLISH
8.1 Connection diagram
NOTE
An electric scale is needed to monitor the recover process to prevent overfilling.
8.2 Ready for operation
Connect the pipes correctly and firmly. ( Please refer to the connection diagram)
Make sure all valves are closed.
8.3 Start operation
1. 0pen the vapour and liquid valves of refrigerant equipment.
2. 0pen the vapour and liquid valves oft he refrigerant tank.
3. Turn the switch to position START”.
4. Press button.
5. Turn the switch to position ·2” to start push/pull mode.
When the display of electric scale remains unchanged or changes very slowly, it means the
liquid recovery is finished, and it is time for vapour recovery.
6. Turn the switch to position PURGE and follow self-purge mode to purge the gas refrigerant.
7. Turn the switch to position OFF.
8. Press button.
9. Close the vapour and liquid valves of refrigerant equipment.
10. Close the vapour and liquid valves of refrigerant tank..
11. Connect the pipes again and recover the vapour of refrigerant equipment according to recovery mode.
8.4 Finish operation
WARNING
When the showing of the electric scale show that the refrigerant in the tank reaches 80% capacity, please
turn the power off and close the valves of the tank.
8. Liquid push/pull mode
OPEN
OPEN
OPEN
OPEN
Vapour valve
Vapour valve
80% O.F.P.
connecting line
Liquid valve
Liquid valve
Electric scale
Dry filter
Recover slow
Recover fast
Bottom
START
START
Purge
OFF
CLOSE
CLOSE
CLOSE
CLOSE
CLOSE
Refrigerant equipment
Unit
Refrigerant tank
