Mitsubishi Electric PURY-P120Y(T)HMU-A, Service Handbook

Page: 330 / 387

[
IX
Troubleshooting ]
- 321 - HWE0803A GB
Detailed View of Part A
②③
Brazing or debrazing pipes
L
(
φ
15.88 [5/8"])
M
(
φ
28.6 [1-1/8"])
③ Check valve replacement
* This figure does not show heat
exchanger.
M
L
CV6a
CV4a
2
(
φ
15.88 [5/8"])
7
(
φ
15.88 [5/8"])
5
(
φ
15.88 [5/8"])
CV10a
CV9a
8
(
φ
15.88 [5/8"])
6
(
φ
15.88 [5/8"])
4
(
φ
15.88 [5/8"])
Q
Check valve ASSY
H
1
(
φ
28.6
[1-1/8"])
3
(
φ
15.88
[5/8"])
I
CV8a
K
G
J
③
Angle of the pipes when replacing CV8a,CV9a,CV10a
(Figure as viewed from point Q)
8
6
4
When replacing CV4a:
Remove the brazing
1.
When replacing CV6a:
Remove the brazing
2.
When replacing CV8a:
Remove the brazing 3
and 4.
When replacing CV9a:
Remove the brazing 5
and 6.
When replacing
CV10a:
Remove the brazing 7
and 8.