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Hitachi America Ltd. RCU SERIES
5. Operation
5.1 Display description
5.2 Operation
Refer to wiring diagram in Chapter 4.2 and connect inverter, RCU, and control I/O
Check the RCU P (+) terminal is connected to the inverter DC Link (+) and the RCU
1
N (-) terminal is connected to the inverter DC Link (-). If this condition were not
satisfied, RCU could be broken.
After power is supplied to inverter, Check if RCU display on keypad behaves
2
properly. If the display is not good, please check wiring with the inverter.
3
Enter the DI 1-RUN and DI 2-Enable signal to RCU.
When regenerative energy is generated by inverter driving mode, RCU has a
regenerative state. If the magnitude of the regenerative current is not displayed or
4
fault code (Fxx) is displayed, check the operation status and the status of the wiring
and control signal input, please.
16
Call 1(800)985-6929 for Sales
hitachiacdrive.com
Figure 5.1 keypad display description
hitachiacdrive.com
sales@hitachiacdrive.com
sales@hitachiacdrive.com
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