15
Wiring
2
WIRING
2.1.2 EMC filter
This inverter is equipped with a built-in EMC filter (capacitive filter) and common mode core.
The EMC filter is effective for reduction of air-propagated noise on the input side of the inverter.
The EMC filter is factory-set to disable (OFF). To enable it, fit the EMC filter ON/OFF connector to the ON position.
The input side common mode core, built-in the 55K or less inverter, is always valid regardless of on/off of the EMC filter
on/off connector.
The FR-F720-0.75K and 1.5K are not provided with the EMC filter ON/OFF connector. (Always ON)
<How to disconnect the connector>
(1) Before removing a front cover, check to make sure that the indication of the inverter operation panel is off, wait for
at least 10 minutes after the power supply has been switched off, and check that there are no residual voltage
using a tester or the like. (For the front cover removal method, refer to page 6.)
(2) When disconnecting the connector, push the fixing tab and pull the connector straight without pulling the cable or
forcibly pulling the connector with the tab fixed. When installing the connector, also engage the fixing tab securely.
If it is difficult to disconnect the connector, use a pair of long-nose pliers, etc.
CAUTION
â‹… Fit the connector to either ON or OFF.
â‹… Enabling (turning on) the EMC filter increase leakage current. (Refer to page 43)
WARNING
While power is on or when the inverter is running, do not open the front cover. Otherwise you may get an electric shock.
EMC filter OFF EMC filter OFF EMC filter OFFEMC filter ON EMC filter ON EMC filter ON
VUW
(initial setting) (initial setting) (initial setting)
EMC filte
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