Security information
2.2 Safety information
SIPLUS HCS4200
Operating Instructions, 11/2015, A5E35066204A/RS-AA/002
13
Working on the device or on components connected to it
WARNING
Electric shock hazard
May cause death or serious injury
•
Voltages of more than 60 V can occur in the control cabinet. Suitable safety precautions
preventing contact must therefore be taken during commissioning and maintenance
work.
•
Before working on the heating control system or the connected components, ensure the
system is disconnected.
Fuse replacement
NOTICE
Use only the prescribed fuse types. If you operate a heating controller with unapproved
fuses, the device could be destroyed.
Repairs
WARNING
No user-serviceable parts
May cause death or serious injury
Incorrectly performed repairs may result in substantial damage to equipment or endanger
the user. Return the device to Siemens for repair.