welltherm WS Manual De Instalacion Y Uso página 26

Danger to life due to electric
shock
Risk of burning or scalding
due to hot
components
Risk of material damage
due to use of unsuitable
tools
Provisions (guidelines,
laws, norms)
26
A danger to life due to electric shock exists whenever live components
are touched.
Before working on the product:
• Unplug the power connector.
• Or de-energize the
supplies (electric isolator with at least a 3 mm contact opening, such as
a fuse or circuit breaker).
• Secure against reconnection.
• Check for the absence of voltage.
Only work on components once they have cooled down.
Use a specialist tool to tighten or loosen screw connections.
Observe the national provisions, norms, guidelines and laws.
product by switching off all power