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Grundfos SCALA1 System - Selecting Performance Modes; Fault Finding and Troubleshooting

Grundfos SCALA1 System
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5.8 Selecting the performance mode
If the performance mode needs to be changed from
the default setting, follow these steps:
1. Remove the pump cover.
a. Unscrew and remove the priming plug from the
pump.
b. Loosen and remove the inlet and outlet
connections from the pump.
c. Loosen and pull away the pump cover to
remove it from the pump.
TM075488
Remove the pump cover
2. Locate the performance mode knob.
3. Using a size 10 hexagon key, turn the knob to the
desired selection.
2
1
3
TM075489
Turn the knob to select performance mode
Pos. Description
1 Air handling
2 Self-priming
3 Positive inlet
4. Return the pump cover and reconnect the priming
plug and connections.
6. Fault finding
CAUTION
Hot surface
Minor or moderate personal injury
Do not run the pump continuously with
a closed inlet or outlet valve.
CAUTION
Hot or cold liquid
Minor or moderate personal injury
Make sure that escaping hot or cold
liquid does not cause injury to persons
or damage to the equipment.
18
English (GB)

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