Toshiba RAS-3M23YACV-E, Руководство по обслуживанию, Страница: 9 / 86

– 9 –
A
ØD
Flare nut
width
(mm)
Flare processing dimensions differ according
to the type of flare tool. When using a con-
ventional flare tool, be sure to secure “dimen-
sion A” by using a gauge for size adjustment.
Fig. 2-2-1 Flare processing dimensions
Table 2-2-3 Dimensions related to flare processing for R410A
Nominal
Outer
Thickness
diameter
diameter
(mm)
(mm)
1/4 6,35 0,8
3/8 9,52 0,8
1/2 12,70 0,8
5/8 15,88 1,0
A (mm)
Flare tool for
Conventional flare tool
R410A clutch type
Clutch type Wing nut type
0 to 0,5 1,0 to 1,5 1,5 to 2,0
0 to 0,5 1,0 to 1,5 1,5 to 2,0
0 to 0,5 1,0 to 1,5 2,0 to 2,5
0 to 0,5 1,0 to 1,5 2,0 to 2,5
Table 2-2-4 Dimensions related to flare processing for R22
Nominal
Outer
Thickness
diameter
diameter
(mm)
(mm)
1/4 6,35 0,8
3/8 9,52 0,8
1/2 12,70 0,8
5/8 15,88 1,0
A (mm)
Flare tool for
Conventional flare tool
R22 clutch type
Clutch type Wing nut type
0 to 0,5 0,5 to 1,0 1,0 to 1,5
0 to 0,5 0,5 to 1,0 1,0 to 1,5
0 to 0,5 0,5 to 1,0 1,5 to 2,0
0 to 0,5 0,5 to 1,0 1,5 to 2,0
Table 2-2-5 Flare and flare nut dimensions for R410A
Nominal Outer diameter Thickness
diameter (mm) (mm)
1/4 6,35 0,8
3/8 9,52 0,8
1/2 12,70 0,8
5/8 15,88 1,0
Dimension (mm)
A B C D
9,1 9,2 6,5 13 17
13,2 13,5 9,7 20 22
16,6 16,0 12,9 23 26
19,7 19,0 16,0 25 29
c) Insertion of Flare Nut
d) Flare Processing
Make certain that a clamp bar and copper
pipe have been cleaned.
By means of the clamp bar, perform the flare
processing correctly.
Use either a flare tool for R410A or conven-
tional flare tool.