Hansgrohe Pontos AquaCycle 900 Instrucciones De Servicio página 80

Replacing the air pump:
1. Unplug the facility's mains plug.
2. Open the service door.
3. Remove the air hose.
4. Power - disconnect plug-and-socket con-
nection.
5. Remove the air pump and replace.
6. Mount the new pump in reverse order.
7. Check function according to chapter Menu
tree.
Replacement aerator unit:
1. Completely drain stage 1 or 2 via the sedi-
ment extraction system.
2. Unscrew hose clamps and pull off air hose.
3. Unscrew aerator unit and remove (Atten-
tion: residual water).
4. Clean or if necessary replace aerator unit
and mount in reverse order (reseal thread!).
EN24
Connection aerator unit
Removing the aerator unit
050608