20.6 To Remove Flow Switch and Air Purge Valve
When reinstall Flow Switch, ensure the arrow on the flow switch is parallel with the pipe shaft and is facing in
the direction of flow.
During reinstall Air Purge Valve.
20.7 To Remove Water Pump
2. Detach the flow sensor lead wire.
1. Turn the Air Purge Valve
anti-clockwise then remove.
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 CN-PUMP1
from electronic
controller.
2. Disconnect 2 pipe connection.
3. Remove 2 retaining rings,
then remove the Flow Sensor.
Packing
241