Application planning
4.4 Installation location
SIPLUS HCS4200 PROFINET/PROFIBUS DP
36
Operating Instructions, 07/2019, A5E35066204A/006
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.
Note
Residual current protective device
•
If a residual current protective device is provided for the mains supply, a residual current
circuit breakers of Type A with short-time delay is sufficient for the HCS4200.
•
If a residual current protective device is planned for the mains supply and at least one
POM4220 Highend is operated, use a 300 mA model.
WARNING
Electric shock hazard
May cause death or serious injury
The use of a residual current protective device as the sole protection against indirect
contact is forbidden.
Note
Installation in control cabinet
•
In these cases, only the LEDs on the front of the device will remain visible during
commissioning. Please take this into consideration for subsequent operation of the
device.
•
Ensure that all cables and leads that protrude externally are equipped with adequate
strain relief.
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