Mitsubishi Electric CMB-WM108V-AA Service Handbook page 217

[ VIII Troubleshooting ]
Operation procedures
(11) Remove the 8 fixing screws of the
plates supporting the valve block shown
in the figure.
(12) Remove the 8 screws securing the
valve block and then replace the valve
block.
It is recommend to replace all nipples
with new ones because damage to an
O-ring attached to a nipple may cause
water to leak during recovery after re-
placement of a valve block.
HWE1708A
Illustrations
Remove the valve
block fixing screws
- 208 -
Remove the fixing
screws of the valve
block supporting plate
Operation
location
Below
ceiling
GB