Mitsubishi Electric CMB-WM108V-AA Service Handbook page 228

[ VIII Troubleshooting ]
21. Water purge valve and air purge valve
Operation procedures
(1) Remove the four fixing screws from the
service panel (right) and then remove
the service panel (right).
(2) Remove the four fixing screws from the
service panel (left) and then remove the
service panel (left).
(3) Cut the cable ties securing the PVC
tubes and plates.
(4) Remove the clamps securing the pipes
of the air purge valve and water purge
valve from the plates.
(5) Loosen the flare nuts with a spanner
and then replace the valves with service
parts.
(6) Secure the PVC tubes to the plates in
their original position.
To prevent rough movement when the
valves are opened.
(7) Perform the air purge operation.
Water purge valve and air
purge valve service parts
HWE1708A
Illustrations
Air purge valve (left)
Cable tie
- 219 -
Air purge valve (right)
Water purge valve
Cable tie
Operation
location
In ceiling
space
GB