LG General Wall Mounted-Inverter Type - Manual (Page 23)

Service Manual 23
Part 2 Functions & Controls
5.9 Total Current Control (Over Current Protection)
5.9.1 9,12kBtu/h Model
1) CT1 control
• If the operating current reaches I1, the operating frequency of the compressor decreases.
• After decreasing the operating frequency by 1step, if operating current is below I1 for 60 seconds continuously, the
operating frequency of compressor increases by 1step.
2) CT2 control
• If the operating current of the appliance reaches I2, the compressor stop instantly and two minutes later the compres-
sor restarts again.
• If CT2 occurs 5 times within one hour, the appliance turn off and displays ERROR CODE 7.
- I1 :Current of operating frequency down(5.5A ~ 12.0A)
- I2 : Current of compressor cut off(9.0A ~ 14.0A)
* ( I1, I2 depends on model )