Samsung AM050FNKDEH User & Installation Manual

Also see for AM050FNKDEH: Service manual User & installation manual

36Purging the unit1. Unscrew the pinch pipe at the end of each refrigerant pipe.Result: All inert gas escapes from the indoor unit.On delivery, the indoor unit is loaded with inert gas. All this gas must therefore be purged before connecting theassembly piping. To purge the inert gas, proceed as follows.t o prevent dirt or foreign objects from getting into the pipesduring installation, do NOT remove the pinch pipe completelyuntil you are ready to connect the piping.K The designs and shape are subject to changeaccording to the model.Connecting the refrigerant pipe1. Remove the pinch pipe on the pipes and connect the assembly pipesto each pipe, tightening the nuts, first manually and then with atorque wrench, a spanner applying the following torque.Outer Diameter TorqueLHGtDN /tN6.35 mm 140~180 14~189.52 mm 350~430 34~4212.70 mm 500~620 49~6115.88 mm 690~830 68~822. Ensure there are no kinks or cracks on pipe bends.There are two refrigerant pipes of differing diameters:X A smaller one for the liquid refrigerantX A larger one for the gas refrigerantX The inside of the copper pipe must be clean, dry and free from debris.The connection procedure for the refrigerant pipes varies according tothe exit position of the pipes from the indoor unit, as seen when facingthe indoor in the “A” side.X Liquid refrigerant portX Gas refrigerant portX Drain hose portK The designs and shape are subject to change according to the model.Refrigerant oilTorque wrenchFlare nutUnionSpannert .VTUBQQMZSFGSJHFSBOUPJMPOUIFøBSJOHBSFBUPQSFWFOUBMFBLDrain hose connection portGas refrigerant portLiquid refrigerant portA