Samsung AM MXVAFC Series Installation Manual page 48

Refrigerant pipe installation
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 .
f
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 . f
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
48
Oblique
90°
Wing nut type
Pipe diameter
[D, mm (inch)]
ø6 . 3 5(ø1/4)
ø9 . 5 2(ø3/8)
ø12 . 7 0(ø1/2)
ø15 . 8 8(ø5/8)
Rough
Flaring bar
Pipe
Depth of flaring part [A, mm (inch)]
Using flaring tool for
R-410A
0~0 . 5 (0~0 . 0 2) 1 . 0 ~1 . 5 (0 . 0 4~0 . 0 6)
0~0 . 5 (0~0 . 0 2) 1 . 0 ~1 . 5 (0 . 0 4~0 . 0 6)
0~0 . 5 (0~0 . 0 2) 1 . 0 ~1 . 5 (0 . 0 4~0 . 0 6)
0~0 . 5 (0~0 . 0 2) 1 . 0 ~1 . 5 (0 . 0 4~0 . 0 6)
Burr
A
Pipe
Flare nut
Using conventional flaring tool
Clutch type Wing nut type
1 . 5 ~2 . 0 (0 . 0 6~0 . 0 8)
1 . 5 ~2 . 0 (0 . 0 6~0 . 0 8)
1 . 5 ~2 . 0 (0 . 0 6~0 . 0 8)
1 . 5 ~2 . 0 (0 . 0 6~0 . 0 8)
Yoke
Flaring bar