SiBE34-802 Protection ControlFunction 634.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are performed to preventtripping due to a malfunction, or transient inverter overcurrent, and fin temperature increase.[Inverter overcurrent protection control][Inverter fin temperature control]Not limitedLimitedInverter current >12AInverter currentInverter current ≥ 13.1A continues for 260 sec.>12A•Inverter current ≤ 12A•INV upper limit frequency=max Hz&•10 sec.•Matching of frequency&• When occurring 4 times within 60 min.,the malfunction code "L8 " is output.INV upper limit frequency:1-step down from currentcompressor frequencyINV upper limit frequency:1-step up from currentcompressor frequencyInverter currentstandbyInverter current ≤ 12Acontinues for 3 min.Status quoWithout conditionsNot limitedLimitedTfin≥79˚CTfin≥79˚CTfin≥84˚CFin temp. standby• Tfin<76 ˚C• INV upper limit frequency=max Hz&• When occurring 4 times within 60 min.,the malfunction code "L4" is output.INV upper limit frequency:1-step down from currentcompressor frequency• 10 sec.• Macthing of frequency&Tfin≤76˚Ccontinues for 3 min.INV upper limit frequency:1-step up from currentcompressor frequencyStatus quoWithout conditions
