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4. OPERATION
4.1 Once it’s connected with normal city power, the inverter will charge the battery automatically,
when inverter is off, the battery symbol and battery level will blink every second during charging.
If AC auto turn-on function is enabled, the inverter will turn on automatically when city power is
normal. If auto turn-on is disabled, please push the button for about one second on the front
panel; then the inverter will give power to the outlets after a short-time of beeping.
4.2 Pushing the button 4 seconds for ‘OFF mode’, the CPU will turn off the power from the AVR
or inverter. But, the output relay will transfer to bypass mode automatically. To cut off the
auto-bypass power from utility, please turn off the auto-bypass switch. In off mode, inverter will
keep charging if city power is normal.
4.3 DC Start: During a blackout, push the button one second for entering “OFF” mode (showing
“OFF”); then push again for one second, and the inverter will be turned on and enter into backup
mode. To turn off the power from SP8000 AVR; please push the button for 4 seconds; then LCD
display will show “OFF”; then, wait for 10 seconds, and SP8000 AVR will turn off the power
automatically.
4.4 Operation block diagram is shown blow. The auto-bypass switch is available.
4.5 DC Priority Mode/Inverter Mode: There are 2 main operation modes when AC utility is normal,
the DC priority mode and the AC priority mode. To set DIP SW3 up will enable DC priority mode. In this
mode, DC power will be priority and system will draw power from battery when battery voltage is
normal. System will automatically switch to AC mode and keep the battery at basic charging level (48V)
when battery voltage is low. In the DC priority mode, solar charger or fan generator will be the main
charger power. The system will not transfer to inverter mode until battery voltage is charged to 13V for
each 12V battery.
Содержание SP8000 AVR
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