0020285487_05 Installation instructions
33
▶
Only connect the power sup-
ply unit to an easily access-
ible plug socket so that you
can disconnect the power
supply unit quickly from the
power grid in the event of a
fault.
▶
The power supply unit heats
up during operation. Do not
cover the power supply unit
with objects, and ensure that
it is sufficiently ventilated.
▶
The outer connection cable
on the power supply unit can-
not be replaced. If the con-
nection cable becomes dam-
aged, the entire power supply
unit must be scrapped.
▶
When using the VRA 42
power supply unit, which is
available as an accessory:
Install the power supply unit
in the boiler in accordance
with the instructions. Con-
nect the power supply unit to
the unit PCB in accordance
with the boiler's installation
instructions.
1.8 Regulations (directives,
laws, standards)
▶
Observe the national regula-
tions, standards, directives,
ordinances and laws.
Summary of Contents for sensoNET VR 921
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