Vaillant VR 920 Safety & Instruction Manual page 5

▶ If the power supply unit has
visible damage or is defect-
ive, you must not operate it.
▶ Keep the power supply unit,
its individual parts and the
packaging material away from
children.
▶ Only connect the power sup-
ply unit if the mains voltage
for the plug socket matches
the information on the data
plate.
▶ 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 cable
becomes damaged, the en-
tire power supply unit must be
scrapped.
0020253127_02 Safety instructions
1.8 Regulations (directives,
laws, standards)
▶ Observe the national regula-
tions, standards, directives,
ordinances and laws.
Safety 1
3