Mitsubishi Electric CMB-WP1016V-GA1 Service Handbook page 194

[ VIII Troubleshooting ]
5. Valve block
Operation procedures
(1) Collect the refrigerant and water and
then carry out the unit from the ceiling
space.
(2) Remove all of the service panels (top,
front, and back).
(3) Disconnect all connectors from the con-
trol board.
(4) Remove the clips (figure below) con-
necting the pipes shown in the figure
and then remove the T pipe in the up-
ward direction. ( to
Clip
(5) Remove the clips connecting the branch
pipes and then remove the two branch
pipes in the upward direction. (
in the figure)
(6) Remove the clips connecting the pipes
shown in the figure. (
ure)
(7) Remove the 4-way valve fixing plate. (3
screws)
(8) Remove the ten screws indicated by the
arrows in the figure that are securing the
front frame and back frame control box
supporting plates.
(9) Hold the lifting brackets and lift up the
valve block assembly to remove it.
(10) Remove all of the pipes from the valve
block assembly.
HWE1410A
in the figure)
and
to in the fig-
Remove all of the pipes
Illustrations
T pipe
- 185 -
Operation
location
Below
ceiling
Branch pipes
4-way valve
fixing plate
GB