8. Servicing the product
WARNING
Electric shock
Death or serious personal injury
‐ Switch off the incoming power supply before you start any work on the product or connected pumps.
‐ Make sure that the power supply cannot be switched on accidentally.
8.1 Updating the product software
New features and functions can be made available during the product's life cycle.
1. Contact Grundfos to get your product software updated.
8.2 Replacing the control unit
WARNING
Electric shock
Death or serious personal injury
‐ Switch off the power supply before making any electrical connections.
‐ Make sure that the power supply cannot be switched on accidentally.
Remember to save the controller's settings in Grundfos GO Remote under Settings. The settings can then be transferred to the new control
unit when installed.
1. Switch off the power supply to the product and other components with external supply.
2. Write down the terminal connection of each wire to ensure correct re-connection.
3. Disconnect all wires.
4. Remove the control unit from the panel or cabinet.
5. Fit the new unit.
6. Connect all wires.
7. Configure the new control unit using Grundfos GO Remote.
Related information
2.2.1 Mounting the control unit
3.2 Startup wizard on Grundfos GO Remote
8.3 Replacing the CIM module
WARNING
Electric shock
Death or serious personal injury
‐ Switch off the power supply before making any electrical connections.
‐ Make sure that the power supply cannot be switched on accidentally.
1. Switch off the power supply to the product and other components with external supply.
2. Write down the terminal connection of each wire to ensure correct re-connection.
3. Disconnect all wires connected to the CIM module.
4. Remove the screws that holds the module.
5. Remove the module from the control unit.
6. Fit the new module.
7. Connect all wires.
8.4 Replacing the battery
CAUTION
Fire and chemical leakage
Minor or moderate personal injury
‐ Risk of explosion if the battery is replaced by an incorrect type.
To replace the battery, do the following:
1. Remove the back cover.
2. Gently grab around the battery without touching it too much.
3. Pull the battery up.
4. Insert a new battery of the correct type.
Related information
10. Technical data
23
English (GB)
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