Connecting the unit
29Installation instructions
Equipotential bonding
Image: Equipotential bonding symbol
The unit must be included in a potential equalisation system by
means of appropriately sized wiring.
6.2.1 Matching the unit to the connection voltage
DANGER
Risk of personal injury and physical damage from electric
shock
• Prior to working on the unit, ensure that the unit has been
disconnected from the mains.
• Do not operate the unit with the housing open.
ATTENTION
Risk of physical damage from incorrect connection voltage
• Before making the connection, measure the connection
voltage and check the set voltage on the transformers in the
unit.
When the unit is delivered, it is preset to a certain connection voltage
or voltage range.
If the connection voltage on site differs from the preset connection
voltage, damage to the unit can arise.
Before connecting the unit, the connection voltage must be measured
and the transformers in the unit checked, and if necessary they must
be reconnected.
10013865-0AIBE-B
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