Resetting To Factory Settings; Starting Up The Product After Shutdown Or Standstill; Deblocking The Pump; Controller Settings - Grundfos SCALA Installation And Operating Instructions Manual

8.3.4 Maximum continuous operating time
The factory setting for "Maximum continuous
operating time" is "off".
This function is a timer that can turn off the pump if it
runs continuously for 30 minutes.
Off:
If the pump exceeds the running time of 30 minutes,
the pump will run depending on the flow.
On:
If the pump exceeds the running time of 30 minutes,
the pump will stop after 30 minutes of continuous
operation, and it will show alarm 6. This alarm will
always need to be reset manually.
Maximum runtime exceeded.

8.4 Resetting to factory settings

The pump can be reset to factory setting by pressing
the buttons simultaneously for five seconds.
9. Starting up the product after
shutdown or standstill

9.1 Deblocking the pump

Warning
Before starting any work on the product,
make sure that the power supply has been
switched off and that it cannot be
accidentally switched on.
The end cover incorporates a plug which can be
removed by means of a suitable tool. This makes it
possible to deblock the pump shaft if it has seized up
as a result of inactivity.
Fig. 17 Deblocking the pump

9.2 Controller settings

The pump will remember the controller settings even
if it is turned off.

9.3 Priming

If the pump has been drained, it must be filled with
liquid before startup. See section 4. Starting up the
product.

10. Servicing the product

Warning
Before starting any work on the product,
make sure that the power supply has been
switched off and that it cannot be
accidentally switched on.

10.1 Maintaining the product

10.1.1 Insect filter
The pump has an insect filter to prevent insects from
nesting in the pump.
The filter is placed on the bottom and can easily be
removed and cleaned with a stiff brush. See fig. 18.
Clean the insect filter once a year or as needed.
Fig. 18 Insect filter
10.1.2 Inlet and outlet valves
The pump is maintenance-free, but we recommend
that you check and clean the inlet and outlet
non-return valves once a year or as needed.
1
2
3
4
9
Fig. 19
SCALA pump
5
6
7
8
15