38GL_M…G R-410AGB - 13E N G L I S HCheck the refrigerant charge and unit maintenanceUnit maintenanceThe following maintenance operations must be carried out byqualified personnel.Cleaning the coilWhen necessary, proceed as follows for more careful cleaning ofthe coil:Switch the mains supply OFF.Remove unit top cover by losening holding screws and lifting thecover.Carefully clean the coil with a vacuum cleaner from inside tooutside.With the same vacuum cleaner, dust the inside of the fancompartment and the fan blades. Avoid any damage to the bladeswhich may cause future vibrations and noise.Replace the unit cover and tighten the screws.Refrigerant charge control Outdoor unit Circuit A compressor Circuit B compressor Outdoor unit coil Filter Expansion device (Capillary)Expansion device (Accurater)DistributorSolenoid valveService valveIndoor unit coil A1 Indoor unit coil A2 Indoor unit coil B1 Indoor unit coilB2 Indoor unit coil A Indoor unit coil BGasLiquid + GasLiquidTeTa 38GL4M24G