Samsung MH040FXEA2C Installation Manual

Contents

E-14INSTALLING THE INDOOR UNITCutting/Extending the PipingMake sure that you have the required tools available (pipe cutter, reamer,flaring tool and pipe holder).1To prevent any gas from leaking out, remove all burrs at the cut end of thepipe, using a reamer.3Slide a flare nut on to the pipe and modify the flare.4Align the pipes to be connected and tighten the flare nuts first manually andthen with a torque wrench, applying the following torque.6Check that the flaring is correct, referring to the illustrations below for examples of incorrectflaring.5If you wish to shorten the piping, cut it using a pipe cutter, taking care toensure that the cut edge remains at a 90° angle with the side of the pipe,and referring to the illustrations below for examples of edges cut correctlyand incorrectly.2Oblique Rough BurrInclined Damaged Surface Cracked Uneven ThicknessDA��O x x x� � � �For further details on how to connect up to the outdoor unit and purge the circuit, refer topage 23.7In case welding the pipe, the gas nitrogen must be blown into the parts.Outer Diameter (D) Thickness Depth (A)ø6.35 mm 0.8mm 1.3 mmø9.52 mm 0.8mm 1.8 mmø12.70 mm 0.8mm 2.0 mmOuter Diameter Thickness Torque (kgf•cm)ø6.35 mm 0.8mm 140~170ø9.52 mm 0.8mm 250~280ø12.70 mm 0.8mm 380~42009'FJM_OUTDOOR_28896A_IM_E_11.23.09.indd 14 2009-11-24 9:19:50