Samsung AM***FXVAF Series Installation Manual

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39ENGLISHCutting or flaring the pipes1. Make sure that you prepared the required tools.f Pipe cutter, Deburring tool, flaring tool and pipe holder, etc.2. If you want to shorten the pipe, cut it with a pipe cutter ensuring that the cut edge remains at 90° with the side of thepipe.f Refer to below illustrations for correct and incorrect examples of cut edges.90° Oblique Rough Burr3. To prevent a gas leak, remove all burrs at the cut edge of the pipe using a Deburring tool.4. Carry out flaring work using flaring tool as shown below.AFlaring barPipeYokeFlaring barPipeFlare nutClutch type Wing nut type[Flaring tools]Pipe diameter[D, mm (inch)]Depth of flaring part [A, mm (inch)]Using flaring tool forR-410AUsing conventional flaring toolClutch type Wing nut typeø6.35(ø1/4) 0~0.5(0~0.02) 1.0~1.5(0.04~0.06) 1.5~2.0(0.06~0.08)ø9.52(ø3/8) 0~0.5(0~0.02) 1.0~1.5(0.04~0.06) 1.5~2.0(0.06~0.08)ø12.70(ø1/2) 0~0.5(0~0.02) 1.0~1.5(0.04~0.06) 1.5~2.0(0.06~0.08)ø15.88(ø5/8) 0~0.5(0~0.02) 1.0~1.5(0.04~0.06) 1.5~2.0(0.06~0.08)5. Check that you flared the pipe correctly.f Refer to below illustrations for correct and incorrect examples of flared pipe.Uneven ThicknessCrackedDamaged SurfaceInclinedCorrect• If foreign matters or burrs are not removed after cutting pipe, refrigerant gas may leak.• If foreign matters enter inside the pipe, important interior parts of the unit may get damaged or productefficiency will be reduced. So, the direction of pipe should be downward during pipe cutting or flaring.CAUTIONk}tGzG⴬㨰䛙G㐘㞬ὤGptluki]_TWZ_XYhTW_UGGGZ` YWX_TW]TXXGGG㝘䟸G[a[_aZW