Customer Service Information; Service Kits - Grundfos SCALA2 Installation And Operating Instructions Manual

11.1.2 Cleaning the inlet and outlet valves
Check and clean the inlet and outlet valves once a
year or as needed.
SCALA2 pump
To remove the inlet valve, follow the steps below:
1. Turn off the power supply and disconnect the
power plug.
2. Shut off the water source.
3. Open a tap to release the pressure in the pipe
system.
4. Close the isolating valves and/or drain the pipes.
5. Gradually open and remove the priming plug. See
the figure above (1).
6. Remove the drain plug and drain the pump. See
the figure above (3).
7. Unscrew the union nut holding the inlet
connection. See the figure above (2). Depending
on the installation type, it may be necessary to
remove the pipes from both the inlet and outlet
connections.
8. Pull out the inlet connection.
9. Pull out the inlet valve.
10. Clean the inlet valve with warm water and a soft
brush.
11. Assemble the components in reverse order.
To remove the outlet valve, follow the steps
below:
1. Turn off the power supply and disconnect the
power plug.
2. Shut off the water source.
3. Open a tap to release the pressure in the pipe
system.
4. Close the isolating valves and/or drain the pipes.
5. Gradually open and remove the priming plug. See
the figure above (1). The plug and valve are one
unit.
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6. Clean the valve with warm water and a soft brush.
7. Assemble the components in reverse order.
1
2
3
Outlet and inlet valves
Pos. Description
1 Outlet valve
2 Inlet valve

11.2 Customer service information

For further information on service parts, see Grundfos
Product Center on
selection.grundfos.com.

11.3 Service kits

For further information on service kits, see Grundfos
Product Center at
selection.grundfos.com.
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