Mitsubishi Electric PURY-EP200 Service Handbook page 307

[ IX Troubleshooting ]
1) Remove the upper
and lower service
panels (Panel FU
and FB).
④⑦ B
(φ19.05 [3/4"])
④⑦ C
(φ15.88
[5/8"])
④⑦ D
(φ15.88
[5/8"])
Heat exchanger
* Refer to the next page for Check valve (CV4a, CV6a, CV8a, CV9a, CV10a) replacement procedures.
HWE0713A
① Coil cover, Solenoid valve coil
(SV4a,SV4b,SV4c,SV4d)
③⑦ A
(φ12.7 [1/2"])
④⑦ Brazing or debrazing pipes
E
(φ28.6
[1-1/8"])
G
(φ15.88 [5/8"])
* This figure does not show heat exchanger.
②⑥ Removing or installing
solenoid valve block
Solenoid
valve block
Screw (M5)
Supporting plate for
solenoid valve block
⑦ Brazing connecting pipe (φ9.52 [3/8"])
Brazing
(heat exchanger
header side)
- 298 -
2) Remove the control box
and the partition plate.
3) Remove the cable that is
fixed to the Frame ASSY
MU (upper) and MB (lower),
and remove the Frame
ASSY MU and MB.
⑤ Removing Solenoid
valve block ASSY
F
(φ9.52
[3/8"])
E
F
H
(φ9.52 G
Removed Solenoid
[3/8"])
valve block ASSY
③ Cutting pipes
Cutting pipes positions
Cut the pipe at 60mm ahead from
the Bending R end with a pipe
cutter.
Bending R
After cutting pipe,
remove the pipe
from the brazed A.
Brazing
(Solenoid valve
block side)
Service parts set
supplied connecting
pipe (φ9.52 [3/8"])
B
C
D
H
60
A
(φ12.7
[1/2"])
GB