Samsung AM***MXWA Series - Connecting Flared Pipes

ENGLISH-33
02 INSTALLING THE PRODUCT
Connecting the ared pipes
 Check if the aring is properly done according to the standard size.
 Align the center of the piping and tighten the are nut with your hands. Then, tighten the are nut with torque wrench in
a direction of the arrow indicated in below illustration.
 Make sure to use ester oil to coat the are connection section.
Flare connection section Flare nut
Pipe
Monkey wrench
Torque wrench
Outer diameter (D, mm) Connection torque (N·m) Flare dimension (L, mm) Flare shape (mm)
Ø 6.35 14~18 8.7~9.1
90° ±2°
45° ±2°
R 0.4~0.8
L
D
Ø 9.52 34~42 12.8~13.2
Ø 12.70 49~61 16.2~16.6
Ø 15.88 68~82 19.3~19.7
Ø 19.05 100~120 23.6~24.0
Ú1N•m=10kgf•cm
• Blowing Nitrogen gas should be done when welding the pipe.
• Make sure to use the provided are nut.
• Make sure that there are no cracks or twisted part when you need to bend the pipe.
• Do not fasten the are nut with excessive strength.
• R-410A is a high pressure refrigerant and there is a risk of refrigerant leakage if the are connection is not coated
with ester oil. Therefore, apply ester oil to coat the are connection area.
CAUTION