Grundfos UPE Serie Instrucciones De Instalación Y Funcionamiento página 13

8. Configuration of twin-head pumps
Use the procedure below to establish the correct master/slave configuration
in case one of the control boxes or both have been replaced.
Configuration
1. Switch off the power supply to the pump.
2. Switch on the power supply and press the two arrow buttons on the front
simultaneously for 15 seconds (two flashing light fields indicate that the
pump is in configuration mode).
3. Keep the buttons depressed, and the flashing light fields will change.
See the meaning of the different settings in the table below.
4. Release the buttons when the control box is in the appropriate mode.
Configuration
Single pump
Master pump, marked (1)
Slave pump, marked (2)
Refer to the general installation and operating instructions and the document
Supplement to installation and operating instructions for further information
about setting of the pump.
Light fields
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