Vaillant VR 100 Installation Instructions Manual page 18

1 Safety
Before commencing work on
the heat generator:
▶ Unplug the mains plug.
▶ Or disconnect the product
from the power supply by
switching off all power sup-
plies (electrical partition with a
contact gap of at least 3 mm,
e.g. fuse or circuit breaker).
▶ Secure against being
switched back on again.
▶ Wait for at least 3 minutes
until the capacitors have dis-
charged.
▶ Check that there is no
voltage.
1.2.3 Regulations (directives,
laws, standards)
▶ Observe the national regula-
tions, standards, directives,
ordinances and laws.
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Installation instructions VR 100 0020282111_02