10. Servicing the product
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply before you
start any work on the product.
‐
Make sure that the power supply can-
not be switched on accidentally.
WARNING
Pressurised system
Death or serious personal injury
‐
Depressurise the system before you
start any work on the product. The
pumped liquid may be scalding hot and
under high pressure.
‐
Drain the system or close the isolating
valves on either side of the pump.
WARNING
Biological hazard
Death or serious personal injury
‐
When servicing the product, only use
Grundfos original spare parts.
10.1 Cable requirements
WARNING
Electric shock
Death or serious personal injury
‐
Comply with local regulations as to ca-
ble cross-sections.
See section Cable requirements for more information
on cable cross-sections and conductor types.
Related information
10.2 Megging
Megging of an installation incorporating
MGE motors is not allowed, as the built-in
electronics may be damaged.
11. Taking the product out of operation
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply before you
start any work on the product.
‐
Make sure that the power supply can-
not be switched on accidentally.
WARNING
Pressurised system
Death or serious personal injury
‐
Depressurise the system before you
start any work on the product. The
pumped liquid may be scalding hot and
under high pressure.
‐
Drain the system or close the isolating
valves on either side of the pump.
17
English (GB)
