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Rear Panel EW-3000 / EW-4000
F. High-Speed Cooling Fans. When the temperature inside the inverter exceeds its preset
limit, the Cooling Fans automatically turn on to cool the inverter. When the temperature
reduces, the fans turn off.
G.
Positive Power Input Terminal.
H.
Negative Power Input Terminal.
I.
Remote Control Receptacle.
J.
Ground Terminal.
K.
Main Switch is used to completely shutdown the inverter.
Determining the DC Power Requirements
Powering multiple appliances from the high-power EW-3000 / EW-4000 inverter requires a
12 volt battery bank (several batteries). To calculate the approximate power in amps a 12 volt
battery bank has to supply, you need to know: the current, or amps required for powering the
continuous AC load, a shortcut method is to divide the continuous AC load wattage by 10. For
example, the continuous AC load is 3000 watts. The current (amps) is: 3000/10 or 300 amps at
12 V DC.
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