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Mitsubishi Electric PURY-HP72 Service Handbook page 327

R410a
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[8-16 Solenoid Valve Block and Check Valve Replacement Instructions ]
4) Remove the relay box
1) Remove the upper
and lower service
panels (Panel FU
and FB).
A
3 8
ø
(
19.05)
E
3 8
ø
(
15.88)
Removing or installing
2 7
solenoid valve block
Supporting plate for
solenoid valve block
Solenoid
valve block
Screw (M5)
* Refer to the next page for Check valve (CV4a, CV6a, CV8a, CV9a) replacement procedures.
HWE13080
Coil cover, Solenoid valve coil
1 9
(SV4a,SV4b,SV4d)
B
3 8
Heat exchanger
(
ø
19.05)
- 316 -
2) Remove the control box
and the partition plate.
3) Remove the cable that is
fixed to the Frame M ASSY
and remove the Frame M ASSY.
3 8
Brazing or debrazing pipes
F (
ø
28.6)
*This figure does not show heat exchanger.
Removing Solenoid valve
4
block ASSY
F
Removed Solenoid valve block ASSY
Removing or fixing the
5 6
Supporting plate for solenoid
valve block
Solenoid valve block
D
3 8
(
ø
15.88)
Screw (M5)
ø
C (
12.7)
G(ø12.7)
A
C
E
D
B
Supporting plate
for solenoid valve block
GB

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