Hitachi SJ Series User Manual page 77

Chapter 7
7.5.13 Inverter Earth Terminal (G)
・Make sure that the inverter and motor are
grounded for use.
Do
・Otherwise, you run the risk of electric
shock.
Electric
shock
・In accordance with the electric installation
engineering standards, connect
Do
200V-class model to the earth electrode
completing class-D ground work
(equivalent to the third class grounding:
100Ω or less grounding resistance) and
Electric
400V-class model to the earth electrode
shock
completing class-C ground work
(equivalent to the special third class
grounding: 10Ω or less grounding
resistance).
Inverter
Inverter
Inverter
7.5.14 Enable the Internal EMC Filter
Q
・We want to enable the internal EMC filter.
・We want to comply with European Directive.
Inverter
Inverter
Inverter
Short bar or terminal
Disable
Enable
7-22
Wire Connection and Optional Devices
・Use grounding wires whose thickness is
not less than that of the applicable wires
Do
and make them short as much as
possible.
Electric
shock
・When more than one inverters are used,
connect them that the grounding route
(condition) should not be shared wires or
Prohibited
loops.
Otherwise, the inverter or peripheral
control devices may malfunction.
Mal-
functioning
A
・To enable the EMC filter, move the short bar or
terminal.
Short bar or terminal
Disable Enable
!
・For locations to be shorted, see the main circuit
wiring diagram.
Grounding bolt prepared
by the customer