Samsung AM JXVHGH Series Installation Manual page 51

Cutting or flaring the pipes
1 . Make sure that you prepared the required tools .
f Pipe cutter, Deburring tool, flaring tool and pipe holder, etc .
X
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 . X
3 . 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 .
[Flaring tools]
Clutch type
5 . Check that you flared the pipe correctly .
f Refer to below illustrations for correct and incorrect examples of flared pipe .
X
Correct
• 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
CAUTION
efficiency will be reduced . So, the direction of pipe should be downward during pipe cutting or flaring .
DVM S HE_IM_DB68-05461A-08_EN.indd 51
Oblique
90°
Wing nut type
Pipe diameter
Using flaring tool for
[D (mm)]
Ø 6 .35
Ø 9 .52
Ø 12 .70
Ø 15 .88
Inclined Damaged Surface
Rough
A
Flaring bar
Pipe
Depth of flaring part [A (mm)]
Using conventional flaring tool
R-410A
Clutch type
0~0 .5 1 .0~1 .5
0~0 .5 1 .0~1 .5
0~0 .5 1 .0~1 .5
0~0 .5 1 .0~1 .5
Cracked Uneven Thickness
Burr
Yoke
Flaring bar
Pipe
Flare nut
Wing nut type
1 .5~2 .0
1 .5~2 .0
1 .5~2 .0
1 .5~2 .0
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2017-03-24 오후 1:38:22