Samsung AM JXVHGH Series Installation Manual page 52

Refrigerant pipe installation
Connecting the flared pipes
f Check if the flaring is properly done according to the standard size .
X
f Align the center of the piping and tighten the flare nut with your hands . Then, tighten the flare nut with torque X
wrench in a direction of the arrow indicated in below illustration .
f Make sure to use ester oil to coat the flare connection section . X
Flare connection
section
Outer diameter (D, mm) Connection torque (N·m) Flare dimension (L, mm)
Ø 6 .35
Ø 9 .52
Ø 12 .70
Ø 15 .88
Ø 19 .05
• Blowing Nitrogen gas should be done when welding the pipe .
• Make sure to use the provided flare nut .
CAUTION
• Make sure that there are no cracks or twisted part when you need to bend the pipe .
• Do not fasten the flare nut with excessive strength .
• R-410A is a high pressure refrigerant and there is a risk of refrigerant leakage if the flare connection is not
coated with ester oil . Therefore, apply ester oil to coat the flare connection area .
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DVM S HE_IM_DB68-05461A-08_EN.indd 52
Pipe
Flare nut
14~18
34~42
49~61
68~82
100~120
Monkey
wrench
Torque wrench
8 .7~9 .1
12 .8~13 .2
16 .2~16 .6
19 .3~19 .7
23 .6~24 .0
Flare shape (mm)
R 0 .4~0 .8
D
L
2017-03-24 오후 1:38:23