Note:
"The cooling fan automatically switches on and off,
As required, to maintain safe working temperature."
WARNING: BEFORE USING THIS INVERTER YOU MUST PROVIDE A
GROUND CONNECTION TO THE INVERTER.
We recommend that the buyer refrain from using an extension cord between
the DC power source and the inverter's DC input. Connecting an extension
cord to the DC input will create a voltage drop, entailing reduced efficiency
output.Instead, we recommend the use of an extension cord between the
output and the AC appliance. You may use up to 100ft(30m) of high
extension cord. A longer cord may result in reduced power.
and
AC
quality
4
On the rear panel of the Inverter is a terminal fitted with a wing-nut. This
terminal is connected to the case of the Inverter and also to the earth
terminal of the AC output socket. The use of this terminal will
depend on your particualr installation. In any installation, heavy duty,
queen-insulated wire should be used for this connection.
In a stationary land based installation, the earth terminal should be
connceted to a metal earthing stake driven into the ground to a depth of
1.2m or more, If the battery system powering the Inverter does not
have a connection to ground, one of the battery terminals
(commonly the negative terminal) should also be connected to the
earthing stake.
In a vehicles where the Inverter is wired directly to the battery, the earth
terminal is simply connected to the vehicle chassis. If the Inverter is to
be used in a vehicle on a temporary basis and will be powered via the
cigarette lighter socket in the vehicle, the earth terminal should be
connected via a short link to either the negative or positive DC input
terminal of the Inverter, depending on whether the vehicle has a
negative or positive chassis connection. However when using the
Inverter to power equipment used outside the vehicle, an earthing
stake should also be used, as described above.
In a boat, the earth terminal should be connected to the existing
grounding system, which may be the hull of the craft, or a network of
ground wires
5
IMPORTANT! During operation, make sure the fan keeps revolving. check the
inverter for possible malfunctions if the fan does not work when this unit is
being used.
The output wave of the AC inverter is a MODIFIED SINEWAVE. If you choose to
measure the AC output voltage, you must use an AUTHENTIC RMS VOLT
METER. Using any other type of voltage measuring device will result in an AC
voltage reading that is up to 20 to 30 volts lower than the rated value. The
reading will only be accurate when using an authentic RMS voltmeter.
FIGURE 1: D/A INVERTER-MODIFIED SINEWAVE
Make sure the fan is not blocked in order to avoid poor ventilation.
BAD
GOOD
< 50cm
> 50cm
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