1) First of all, make the usual inspections for proper motor lubrication, electrical connections, and condition of belts, if belt-driven. ... While the refrigerant escapes into the air, the oil usually clings to the piping in the vicinity of the leak. Check Oil.
|Title||:||Handbook of Heating, Ventilation and Air Conditioning for Design and Implementation, The|
|Author||:||Ali Vedavarz, Sunil Kumar, Muhammed Iqbal Hussain|
|Publisher||:||IP - 2007-05-01|