92
Automatic refrigerant amount detection function
This function detects amount of refrigerant in the system through refrigerant amount detection operation
Start
Press the Tact switch "K2" 5
times
Check the amount of refrig
er
ant
Judge the amount of refrigerant
Judgment on the amount of
refrigerant: Normal /
Excessive /
Insufficient
Judgment not
available
Judgment not
available
Connect S-Net Pro
Judge the amount of refrigerant
Judgment on the amount of
refrigerant: Normal /
Excessive /
Insufficient
Satisfy the temperature condition
Satisfy the temperature condition
Check the amount of refrig
er
ant
Input S-CHECKER signal
Check stability
Check stability
End
Yes
No
No
Yes
❋
After refrigerant amount detection is finished, if you see “K9 Ed” on the display and cannot check the refrigerant amount
from the S-net pro and S-checker, it means insufficient degree of supercooling.