Servicing The Product; Updating The Product Software; Replacing The Battery; Replacing The Control Unit - Grundfos LC 241 Installation And Operating Instructions Manual

7. 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.

7.1 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.

7.2 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
9. Technical data

7.3 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.
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7.4 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.

7.5 Replacing the fuse

DANGER
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. Open the tap (1).
2. Remove the fuse.
3. Insert the new fuse.
4. Close the tap (1).
Related information
9. Technical data
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