18.6 To Remove Air Purge Valve
18.7
To Remove Flow Sensor
Air Purge Valve
1. Turn the Air Purge Valve
anti-clockwise, then release
the retaining ring and pull
out the air purge valve.
During reinstall Air Purge Valve.
Make sure plug is fully
close in clockwise direction.
Apply some water based
grease on packing surface
before fix with shut off valve.
1. Disconnect the connector of CN-FLWSEN
from the Water side Electronic Controller Board
2. Remove 2 retaining ring
3. Lift up slowly to remove the flow sensor.
Flow Sensor
When reinstall the water pipe, use grease or water
at the joining
193
Packing