Maintenance; Cleaning The Filter - Grundfos SCALA1 System Instructions Manual

7. Maintenance

The system does not require regular maintenance.
The following maintenance activities can be
performed preventatively every 6-12 months:
• Make sure that the valve closes hermetically and
that the float switch can move freely.
• Make sure that the pump is delivering the correct
pressure and that it is not making any mechanical
noise or whistling.
• Make sure that there are no leaks in the
connections.
• Confirm that the level sensor functions correctly
when cleaning the rainwater tank.

7.1 Cleaning the filter

To clean the filter on the SCALA1 system, follow the
steps below.
Pos. Description
1 Tuboflex tap water inlet
2 Pressure relief valve
1. Loosen and remove the ring nut of the Tuboflex.
2. Remove any dirt from the filter with a pressure
washer.
3. Insert the filter back into the pressure relief valve.
4. Place the gasket on the ring nut of the Tuboflex.
5. Tighten the ring nut onto the screw thread of the
regulator.
Make sure the screw thread of the ring nut is
correctly positioned on the screw thread of the
pressure relief valve.
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