English (Gb) Safety Instructions - Grundfos LC 231 Instructions Manual

English (GB) Safety instructions

Original safety instructions
These safety instructions give a quick overview of the safety precautions to be taken in connection with any work
on this product. Observe these safety instructions during handling, installation, operation, maintenance, service
and repair of this product. These safety instructions are a supplementary document, and all safety instructions
will appear again in the relevant sections of the installation and operating instructions. Keep these safety
instructions at the installation site for future reference.
Cable requirements
WARNING
Electric shock
Death or serious personal injury
‐
The wires from the pump phases must be rated at 90 °C (194 °F).
‐
The wires from the temperature sensor, if any, must be rated at 480 V and 70 °C (158 °F).
Connecting the pump supply and power supply
DANGER
Electric shock
Death or serious personal injury
‐
If national legislation requires a Residual-Current Device (RCD) or equivalent in the electrical
installation, this must be of at least type B, due to the nature of the constant DC leakage current.
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 indicate where the main switch is located by placing a label or similar on the control
unit.
‐
Make sure that the voltage between the phase and neutral does not exceed 250 VAC.
‐
Electrical connections must be carried out according to the wiring diagrams.
Intended use
The product is designed to control one pump or two pumps.
The product can be configured for two purposes: emptying a wastewater pit or filling a pit or tank. The product
can be used for network pumping stations, main pumping stations, commercial buildings and municipal systems.
The control unit is only intended for use in control panels.
If the product is used in an explosive environment, follow local regulations. If required use additional equipment.
The product must not be exposed to aggressive solvents or oil-containing liquids.
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.
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.
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