[
I
Read Before Servicing ]
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HWE07150
GB
4. Thickness and refrigerant type indicated on the piping materials
Ask the pipe manufacturer for the symbols indicated on the piping material for new refrigerant.
5. Flare processing (O-material (Annealed) and OL-material only)
The flare processing dimensions for the pipes that are used in the R410A system are larger than those in the R22 system.
If a clutch-type flare tool is used to flare the pipes in the system using R410A, the length of the pipes must be between 1.0
and 1.5 mm. For margin adjustment, a copper pipe gauge is necessary.
6. Flare
nut
The flare nut type has been changed to increase the strength. The size of some of the flare nuts have also been changed.
The figures in the radial thickness column are based on the Japanese standards and provided only as a reference. Use pipes
that meet the local standards.
Flare processing dimensions (mm[in])
Pipe size (mm[in])
A dimension (mm)
R410A
R22, R407C
ø6.35
[1/4"]
9.1
9.0
ø9.52
[3/8"]
13.2
13.0
ø12.7
[1/2"]
16.6
16.2
ø15.88
[5/8"]
19.7
19.4
ø19.05
[3/4"]
24.0
23.3
Flare nut dimensions (mm[in])
Pipe size (mm[in])
B dimension (mm)
R410A
R22, R407C
ø6.35
[1/4"]
17.0
17.0
ø9.52
[3/8"]
22.0
22.0
ø12.7
[1/2"]
26.0
24.0
ø15.88
[5/8"]
29.0
27.0
ø19.05
[3/4"]
36.0
36.0
Dimension A
Dimension B
Содержание City Multi PFAV-P500VMH-E
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Страница 48: ... 39 HWE07150 GB IV Indoor Unit Structure 1 External View 41 2 Control Box 42 3 Board 43 4 Fan 44 ...
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Страница 50: ... IV Indoor Unit Structure 41 HWE07150 GB IV Indoor Unit Structure 1 External View PFAV P500VMH E ...
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Страница 66: ... 57 HWE07150 GB VII Refrigerant Circuit 1 Refrigerant Circuit Diagram 59 2 Principal Parts and Functions 60 ...
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Страница 195: ... X Troubleshooting 186 HWE07150 GB ...
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