Hitachi America Ltd. RCU SERIES
Ground Warning Symbols
The ground terminal of the RCU
has to be connected to ground wire .
Grounding of the RCU prevents high
voltage accidents that are caused by
switching.
Please be more cautious for the following
warning symbols for user’s safety
1.3 Wiring
Do not supply overvoltage which over permissible voltage level for
the RCU output side terminals (R, S, T)
Link the RCU output-side terminals (R, S, T) to the exact order
Link the RCU output-side terminals (R, S, T) between main input
power and input AC reactor of inverter
Only a competent electrician should perform wiring and inspection
This manual explains specifications, installation, operation, features and maintenance of
RCU. This is a manual for users who have prior experience with RCU.
Please read this manual carefully before operating the RCU. Retain it for future reference.
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales
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