SIPLUS HCS4200 PROFINET/PROFIBUS DP
Operating Instructions, 07/2019, A5E35066204A/006
69
Connecting
6
6.1
Safety information and guidelines
Safety information
WARNING
Hazardous voltages from the mains power input or heating element feeder cables
Will cause death, serious injury or damage to property
Dangerous voltages may be present on mains from the supply and to heating elements.
Before work starts on connecting the HCS4200 heating control system, the mains and
heating element lines must be disconnected and secured against being switched on again.
WARNING
Electric shock hazard
May cause death or serious injury
The mains supply to which the device is connected must have a circuit breaker or a fuse.
The circuit breaker or fuse must be easily accessible and clearly assigned to the device.
We recommend locating the circuit breaker or fuse near to the device. Take the maximum
current consumption of the heating control system into consideration when selecting the
circuit breaker or fuse.
The following requirements apply for UL:
•
POM4220 Lowend: Only UL-listed branch circuit fuse
•
POM4220 Midrange phase angle control, POM4220 Highend, POM4220 Flexible,
POM4320:
Circuit breaker according to UL489 or UL-listed branch circuit fuse.
•
Observe the SCCR rating on the rating plate. Only use the device in circuits limited
accordingly.
•
Only use 60/75°C copper cables for the cabling.
Summary of Contents for SIPLUS HCS Series
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