Read the full manual before using this product
3
1. Product overview
Dear Customer,
Thank you for buying this low-frequency inverter. It has important advantages over high frequency
inverters, such as peak power handling capacity and reliability. This low-frequency inverter can operate
at the peak power level substantially higher than the nominal power, for a period of several seconds
–
which is great for starting appliances with high initial power draw (e.g. electric motors). The inverter also
operates using a powerful transformer (as opposed to electronic switching components in high frequency
inverters) - this results in a stronger, sturdier inverter which is less prone to damage.
In addition to the standard function of inverting the power (i.e. converting the battery DC electricity
into mains AC 230V 50Hz electricity), this inverter has other useful features and components:
- It has a mains AC input which can take power from the national grid or a generator. The inverter
is also equipped with a powerful built-in mains charger for charging the batteries (suitable for lead-
acid battery types only), with programmable operating charging current;
- When the mains AC input power is connected the inverter will activate the power transfer switch
to
work in a “bypass” mode, where the AC input mains power will be directly connected to the AC
output, the
refore “bypassing” the
battery-to-output
inverter circuit. The active mains input will also
switch on the in-built battery charger unless the charger is set to OFF.
- The inverter can work as an uninterrupted power supply (UPS) unit. By default, when the mains
AC power input is connected and active, it will be connected to the mains AC output through the
bypass transfer switch, powering the appliances directly. If suddenly there is a power cut or mains
AC input is not available for any other reason, the inverter will automatically connect the batteries
and start running the mains AC output from the batteries
– without any interruption to the
appliances.
- There is also a choice of operating modes:
AC priority
or
battery (or DC) priority
:
o
In the
AC priority
mode, while the inverter is connected to the mains AC input, it charges
your batteries from mains all the time. Your appliances are also powered by mains.
o
In the
battery (or DC) priority
mode, even if the mains AC input is connected to the
inverter, it remains deactivated and your appliances are powered by the batteries until the
batteries get too low.
You will find more details about these modes in the Settings section of this manual.
This inverter is powerful enough to run heavy duty appliances with large starting current or power
spikes. When running smaller appliances, for energy saving purposes, the inverter On/Off switch has two
On positions:
-
“Power saver off”: this is the full power mode, in which the inverter supplies full power to the
mains output.
-
“Power saver auto”: this is the standby or energy saving mode. When the inverter doesn’t have
any load drawing power from its
output, in goes into a standby “sleep” mode and switches off the
mains AC output. During this time the inverter uses a reduced amount of power from the battery. If
an appliance is plugged into the inverter AC
output, the inverter exits the standby “sleep” mode
immediately and starts supplying the full power again to the mains AC output. The load has to be in
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