Bw7; Bw7 Disassembly - Nilfisk Hybrid Serie Mode D'emploi

7. BW7

7.1. BW7 Disassembly

In this section, all components that need to be exchanged to use the new inverter are removed.
Do not forget to keep the display box and pressure sensor to be used in the installation section.
1. Switch off the electricity supply.
- Turn off the main switch.
- Turn off the inverter.
- Remove the power cable from the main switch.
2. Turn off the water supply.
3. Open an outlet to depressurize the system.
Danger:
A dangerous situation.
Possible consequences: Death or severe injury prevention.
Danger:
Risc of electric shock!
Possible consequences: Death or severe injury prevention.
Hot Surfaces
Risc of burns!
Possible consequences: Severe injuries prevention.
Wait 180 seconds from turning off the inverter before continuing.
4. Remove the motor cable and motor temperature cable.
5. Remove the inverter cap.
6. Cut off or remove the motor cable and the motor temperature cable from the inverters.
7. Remove the display plug from the inverter.
8. Remove the display box.
- Remove the old display from the display box.
- Keep the display box for later installation.
9. Unscrew the motor top and rotate it 180° so that the cable room is accessible.
10. Remove the motor cable and motor temperature cable from the pump top
11. Remove 3x sensor cables from the pump top, flow switch and pump outlet (see image).
12. Remove the inverter and inverter fitting.
13. Remove the plug from the outlet pipe.
14. Remove the pressure sensor from the pump top - keep the pressure sensor for later installation.
180°
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