Unitronics UMI-B1 UL Series Operation Manual page 135

UMI-B1 UL Series Inverter
Inverter of category C3: inverter of rated voltage less than 1000 V and used in the
second environment other than the first one
Inverter of category C4: inverter of rated voltage more than 1000 V or the nominal
current is above or equal to 400A and used in the complicated system in second
environment.
A.3.1 Category C2
The emission limits are complied with the following provisions:
1. The optional EMC filter is selected according to the options and installed as specified
in the EMC filter manual.
2. The motor and control cables are selected as specified in this manual.
3. The inverter is installed according to the instructions given in this manual.
•
In a domestic environment, this product may cause radio inference, in
which case supplementary mitigation measures may be required.
A.3.2 Category C3
The immunity performance of the inverter complies with the demands of IEC/EN
61800-3, second environment.
The emission limits are complied with the following provisions:
1. The optional EMC filter is selected according to the options and installed as specified
in the EMC filter manual.
2. The motor and control cables are selected as specified in this manual.
3. The inverter is installed according to the instructions given in this manual.
•
An inverter of category C3 is not intended to be used on a low-voltage
public civil power grid. Radio frequency interference is expected if the
inverter is used on such a network.
133
Appendix A Technical data