ii ) Diagnosis Of Refrigerant Circuit / Application
There might be some causes where the unit starts running but does not perform satisfactorily, i.e.
insufficient cooling. Judgement could be made by measuring temperature difference of indoor unit's
intake and discharge air as well as running current.
Satisfactory operation with temperature difference of air intake & discharge
of indoor unit 8°C to 13°C. *
( * value is for reference only )
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