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6.2.1 Adjusting the unit to the supply voltage
DANGER
NOTICE
If the unit is connected to electrical supply mains without a neutral
conductor, a type B fault current circuit breaker (RCD type B), which is
sensitive to all types of current, must be installed.
Potential equalization
Image: Potential equalization symbol
The unit can be included in a potential equalization system by means of
appropriately sized wiring.
Risk of personal injury and property damage from electric shock
• Before working on the unit, ensure that the unit is dead.
• Do not operate the unit with the housing open.
Risk of property damage from wrong supply voltage
• Prior to connecting, measure the supply voltage and check the voltage set
on the transformer inside the unit.
a
a
Transformer
Currently, the devices are equipped with a transformer or a power
supply, depending on availability.
Installation instructions
Connecting the unit
b
b
Power pack
35
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