Connection; Safety Instructions And Guidelines - Siemens SIPLUS HCS Operating Instructions Manual

Connection

6.1

Safety instructions and guidelines

Safety instruction
Hazardous voltages from the mains power input or heating element feeder cables
Will cause death, serious injury or damage to property
Hazardous voltages may be present on the mains power input and heating element feeder
cables.
Before work starts on connecting the HCS4300 heating control system, the incoming supply
and heating element lines must be disconnected and secured against being switched on
again.
Electric shock hazard
May cause death or serious injury
• Voltages of more than 60 V can occur in the control cabinet. Suitable safety precautions
• Before working on the heating control system or the connected components, ensure the
SIPLUS HCS4300
Operating Instructions, 11/2015, A5E35452705A/002
WARNING
WARNING
preventing contact must therefore be taken before and during commissioning and
maintenance work.
system is disconnected.
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