Samsung DVM S Series - Cutting or flaring the pipes

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ENGLISH
Cutting or aring the pipes
1. Make sure that you prepared the required tools.
f Pipe cutter, Deburring tool, aring 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 the
pipe.
f Refer to below illustrations for correct and incorrect examples of cut edges.
90°
Oblique Rough Burr
3. To prevent a gas leak, remove all burrs at the cut edge of the pipe using a Deburring tool.
4. Carry out aring work using aring tool as shown below.
A
Flaring bar
Pipe
Yo ke
Flaring bar
Pipe
Flare nut
Clutch type Wing nut type
[Flaring tools]
Pipe diameter
[D (mm)]
Depth of aring part [A (mm)]
Using aring tool for
R-410A
Using conventional aring tool
Clutch type Wing nut type
Ø 6.35 0~0.5 1.0~1.5 1.5~2.0
Ø 9.52 0~0.5 1.0~1.5 1.5~2.0
Ø 12.70 0~0.5 1.0~1.5 1.5~2.0
Ø 15.88 0~0.5 1.0~1.5 1.5~2.0
5. Check that you ared the pipe correctly.
f Refer to below illustrations for correct and incorrect examples of ared 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 product
eciency will be reduced. So, the direction of pipe should be downward during pipe cutting or aring.
CAUTION