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Standby mode
Note:
*Standby mode: Inverter
power off, solar charger
activated, utility charger
disabled.
In standby mode, the PV
power only charges
batteries, the inverter will
not invert DC to AC.
Utility charger is disabled, only PV can
charge batteries.
Line Mode
Utility power is designated
to power loads and solar is
designated to charge
batteries.
Charging by PV energy
The unit will provide AC
output power from the
utility. It will also charge the
battery in line mode.
Charging by utility
Battery Mode
The unit will provide AC
output power from battery
and PV power.
Power from battery and PV energy.
Power from battery only.
The inverter is built with automatic PV and utility power wakeup feature.
⚫
When the power switch is in power off, and qualified PV input, the PV charger will be activated, and
the rest part of the inverter will remain powered off. In this mode, the utility power can only illuminate
the LCD, it can’t charge batteries.
⚫
When the inverter shuts off due to low battery voltage, and the switch is kept on “on” position, the
inverter will use qualified utility power or PV power to charge batteries and wake up at “cold start
voltage” to discharge the battery to provide AC output.
⚫
If the inverter is set in SOL or SUB, the automatic wake up feature will charge battery close to “Utility
to Battery switch” voltage, and then cut off utility charger, switch to DC to AC model.
2.4.8 Audible Alarm
The inverter also gives audible alarms when the following situations occur.
Warning
Buzzer beeps 0.5s every second.
Error
Long Beep. Beeps 0.5s every 1s for 10s, shut off, then long beep for 60 seconds.
2.4.9 FAN Operation
For M Series 4-6KW models, there are one DC fan and one AC fan.