Maintenance - Wilo Sub TWU 4 Plug Betriebsanleitung

9 Maintenance

Maintenance and repair work to be done by
qualified personnel only!
DANGER ! Mortal danger
There is a risk of a fatal shock when working on
electrical equipment.
• For all maintenance and repair work, the pump
must be switched off and prevented from being
switched on again accidentally.
• Damage to connecting cables may only be
repaired by a qualified electrical contractor in
principle.
NOTE: No special maintenance is necessary during
normal operation.
Installation and operating instructions Wilo-Sub TWU4 Plug & Pump
English
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