Siemens SIPLUS HCS Operating Instructions Manual page 13

Working on the device or on components connected to it
Electric shock hazard
May cause death or serious injury
• In the control cabinet, voltages of > 60 V occur. Suitable safety precautions must
• Before working on the heating control system or the connected components, ensure the
Fuse replacement
NOTICE
Use only the prescribed fuse types. If you operate a heating controller with unapproved
fuses, the device could be destroyed.
Repairs
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.
SIPLUS HCS4300
Operating Instructions, 11/2015, A5E35452705A/002
WARNING
therefore be taken before commissioning and maintenance work.
system is disconnected.
WARNING
Safety notes
2.2 Safety notes
13