Samsung AC777MNADCH, Руководство пользователя, Страница: 47 / 60

47 English
Ins
tallation
Step 2.9 Shortening or extending the
refrigerant pipes (assembly pipe)
90°
R 0.4 to 0.8
90°±2°
45°±2°
L
D
D
A
CAUTION
ŷ If you need a pipe longer than specified in piping
codes and standards, you must add refrigerant to the
pipe. Otherwise, the indoor unit may freeze.
ŷ While removing burrs, put the pipe face down to make
sure that the burrs do not get in to the pipe.
Unit: inch (mm)
Outer diameter (D) Depth (A) Flare dimension (L)
ø 1/4” (6.35) 0.051 (1.3)
0.34 to 0.36
(8.7 to 9.1)
ø 3/8” (9.52) 0.071 (1.8)
0.50 to 0.52
(12.8 to 13.2)
ø 1/2” (12.70) 0.079 (2.0)
0.64 to 0.65
(16.2 to 16.6)
ø 5/8” (15.88) 0.087 (2.2)
0.76 to 0.78
(19.3 to 19.7)
Outer diameter
[inch (mm)]
Torque
>OEIŷIW1ŷP@
7RUTXHNJIŷFP
ø 1/4” (6.35) 10.3 to 13.3 (14 to 18) 140 to 180
ø 3/8” (9.52) 25.1 to 31.0 (34 to 42) 350 to 430
ø 1/2” (12.70) 36.1 to 45.0 (49 to 61) 500 to 620
ø 5/8” (15.88) 50.2 to 60.5 (68 to 82) 690 to 830
Pipe cutter
Pipe
Oblique Rough Burr
Pipe Flare
Indoor outlet pipe
Connecting pipe
Flare nut
<Flare nut>
Liquid service port
<High pressure>
Gas service port
<Low pressure>
Correct
Inclined Cracked Uneven
thickness
Damaged
surface
R 0.016 to 0.032
(0.4 to 0.8)