Toshiba RAS-B10EKVP-E Service Manual page 9

Ilmalämpöpumppujen myynti, huolto ja asennus: Jäähdytinpalvelu RefGroup Oy.
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.
Flare processing dimensions differ according
to the type of flare tool. When using a
conventional flare tool, be sure to secure
"dimension A" by using a gauge for size
adjustment.
Table 3-2-3 Dimensions related to flare processing for R410A
Outer
Nominal
diameter
diameter
(mm)
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15.88
Table 3-2-4 Dimensions related to flare processing for R22
Outer
Nominal
diameter
diameter
(mm)
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15.88
Table 3-2-5 Flare and flare nut dimensions for R410A
Outer
Nominal
diameter
diameter
(mm)
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15.88
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Thickness
Flare tool for R410A
(mm)
clutch type
0.8 0 to 0.5
0.8 0 to 0.5
0.8 0 to 0.5
1.0 0 to 0.5
Thickness
Flare tool for R410A
(mm)
clutch type
0.8 0 to 0.5
0.8 0 to 0.5
0.8 0 to 0.5
1.0 0 to 0.5
Thickness
(mm)
A
0.8 9.1
0.8 13.2
0.8 16.6
1.0 19.7
– 9 –
ØD
Fig. 3-2-1 Flare processing dimensions
A (mm)
Conventional flare tool
Clutch type
1.0 to 1.5
1.0 to 1.5
1.0 to 1.5
1.0 to 1.5
A (mm)
Conventional flare tool
Clutch type
0.5 to 1.0
0.5 to 1.0
0.5 to 1.0
0.5 to 1.0
Dimension (mm)
B C D
9.2 6.5 13
13.5 9.7 20
16.0 12.9 23
19.0 16.0 25
A
Wing nut type
1.5 to 2.0
1.5 to 2.0
2.0 to 2.5
2.0 to 2.5
Wing nut type
1.0 to 1.5
1.0 to 1.5
1.5 to 2.0
1.5 to 2.0
Flare nut
width
(mm)
17
22
26
29