Regulations (Directives, Laws, Standards) - Vaillant 0020230734 Betriebsanleitung

1.3.4 Risk of injury and material damage
due to maintenance and repairs
carried out incorrectly or not carried
out at all
▶ Never attempt to carry out maintenance
work or repairs on your product yourself.
▶ Faults and damage should be immediately
rectified by a competent person.
▶ Adhere to the maintenance intervals spe-
cified.
1.4 Regulations (directives, laws,
standards)
▶ Observe the national regulations, stand-
ards, guidelines and laws.
0020230754_00 0020230734 Operating instructions
Safety 1
3