Mitsubishi Electric PURY-P72 Service Handbook page 355

[ IX Troubleshooting ]
2) Remove the control box.
1) Remove the upper
and lower service
panels (Panel FU
and FB).
1 10
Debrazing pipe
6
Coil cover, Solenoid valve coil
Remove the pipe
from the brazed H.
H
(ø15.88[5/8"])
Removing or installing
2 8
solenoid valve block
Solenoid
valve block
Supporting plate
for solenoid valve block
Screw (M5)
* Refer to the next page for Check valve (CV4a, CV6a, CV8a, CV9a) replacement procedures.
HWE09130
3 9 A
(ø19.05[3/4"])
(SV4a,SV4b,SV4d)
(ø15.88[5/8"])
3 9 F
(ø12.7[1/2"])
- 346 -
3) Remove the cable that is fixed to
the Frame ASSY MU (upper) and
MB (lower), and remove the
Frame ASSY MU and MB.
3 9
Brazing or debrazing pipes
B
3 9
C D
(ø9.52[3/8"])
(ø15.88[5/8"]) (ø28.58[1-1/8"])
(ø9.52[3/8"])
G
*This figure does not
show heat exchanger.
5 7
Solenoid valve block
Screw (M5)
Heat exchanger
4
Removing Solenoid valve
block ASSY
E
A
B
E
C
D
F
G
Removed Solenoid valve
block ASSY
Removing or fixing the Supporting
plate for solenoid valve block
Supporting plate
for solenoid valve block
GB