Battery Activation And Shutdown; Panel Button And Leds Explanation; Stand Alone Battery Front Panel Control; Start Battery - Weco HeSU 4K4-R19/4 Product Manual

WeCo - HeSU 4K4 Low Voltage UNIVERSAL STACKABLE MODEL

6 BATTERY ACTIVATION AND SHUTDOWN

6.1 Panel buttons and LEDs Explanation
Attention: The drawing is for reference only. If the actual battery has a different configuration. Stop all installation activity, ensure
that the battery is disconnected and in a safe condition and contact WECO support center
Name Meaning
POWER Turn on or off button
RUN Running indicator light (green)
LOW BATTERY Low battery indicator (yellow)
FAULT Fault indicator light (red)

6.2 Stand Alone Battery Front Panel Control

6.2.1 Start Battery

Short press the power button for one second. The GREEN RUN light should come on. The battery has been activated normally.

6.2.2 Shut Down Battery

Long press the power button for five seconds. The GREEN RUN light should go off. The battery has been shut down normally.
6.2.3 Low Battery – Force Charge
Prerequisite: The VOLTAGE between the battery B + and B- terminals is ZERO and the PANEL LIGHTS ARE OFF. Battery is in
"Shutdown State".
Preparation condition before forced charging: Connect the charger or the inverter with charging capability to the B+ and B- of the
battery box to ensure charging capacity.
Forced charging approach: Short press the battery power button, the battery RUN light will flash green, which means that the battery
is entering the compulsory charging mode. If the battery receives an adequate charging power (above 10 Amps/58V) within 90
seconds from pressing the button, the battery will continue to charge normally until a stable state is reached.
If the battery does not receive adequate charging power within 90 seconds after pressing the button, the battery will enter the
shutdown mode once again.
During the forced charging period the low battery LED will be steady orange up to an SOC of 10% at which point the low battery LED
will go out.
HeSU 4k4 UNIVERSAL STACKABLE * HIGH CURRENT
Function or indication status
Control battery box on or off
When the battery box is running normally, it always bright
When the battery is low(SOC<0-10%), it is always bright.
Flashing alarm when the battery box is faulty
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