Tabuchi Electric EneTelus EHW-S55P3B-PNUS Manuel D'installation page 26

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Stop stand-alone operation.
If 2 or more days are required to confirm grid-tied operation.
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Perform steps ① to ④ and stop the system.
The over-discharge prevention function of the storage battery unit may trip unless the system is stopped.
＊See below.
(To start grid-tied operation, restart the system.)
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To check grid-tied operation now, perform steps ① to ③ and proceed the "Parameters List" on page 28,
without attaching the front panel of the cabinet and the front panel of the base shown on the next page.
① Press and hold the [RUN/STOP] button for 5 sec or longer to stop operation.
The status lamp will go out.
② Press and hold the [BACK] button on the inverter cabinet.
"ShtDwn" will be displayed.
The storage battery unit stops discharging/charging and shuts down.
③ Set the DC Switch-Disconnector on the inverter to the OFF position.
④ Set the switch inside the storage battery unit to the OFF position,
and turn the tab to close the switch cover.
Over-discharge prevention:
The storage battery unit cannot be charged without power supplied from the commercial power grid or solar panels.
If the storage batteries are not charged for 2 days or longer when the remaining charge is 0% and the storage battery unit
switch automatically turns off to prevent over-discharging.
If the over-discharge prevention function trips, set the switch to the ON position so as to enable charging of the storage
battery.
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