51
ENGLISH
Cutting or flaring the pipes
1 . Make sure that you prepared the required tools .
X
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
the pipe .
X
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 flaring work using flaring tool as shown below .
A
Flaring bar
Pipe
Yoke
Flaring bar
Pipe
Flare nut
Clutch type
Wing nut type
[Flaring tools]
Pipe diameter
[D (mm)]
Depth of flaring part [A (mm)]
Using flaring tool for
R-410A
Using conventional flaring 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 flared the pipe correctly .
X
f
Refer to below illustrations for correct and incorrect examples of flared pipe .
Uneven Thickness
Cracked
Damaged Surface
Inclined
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
efficiency will be reduced . So, the direction of pipe should be downward during pipe cutting or flaring .
CAUTION
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Summary of Contents for AM080JXVHGH/EU
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