Slim Line 3000 Watt Power Inverter by Wagan Tech
USER’S MANUAL — Please read before using this equipment.
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Printed in China
5
Grounding
The power inverter has a lug on the rear panel marked “chassis
ground”. This is to connect the chassis of the power inverter to the
ground. The ground terminals in the AC outlets on the front panel of
the inverters are also connected to the ground lug.
The chassis ground lug must be connected to the grounding point,
which will vary depending on where the power inverter is installed. In
a vehicle, connect the chassis ground to the chassis of the vehicle.
In a boat, connect to the boat’s grounding systems. In a fixed
location, connect the chassis ground lug to earth.
The neutral (common) conductor the power inverter AC output circuit
is connected to the chassis ground. Therefore, when the chassis is
connected to the ground, the neutral conductor will also be
grounded. This conforms to the national electrical code requirements
the separately derived AC sources (such as inverters and
generators) have their neutral tied to ground in the same way that
the neutral conductor from the utility line to ground at AC breaker
panel.
Caution
The negative DC input of the power inverter is connected to the
chassis. Do not install the power inverter in a positive ground DC
system. As positive ground DC system has the positive terminal of
the battery connected to the chassis of the vehicle or to the ground
point.
QUICK HOOK UP AND TESTING
If you would like to quickly hook up the power inverter and check its
performance before going ahead with your installation, please follow
these guidelines:
1. Unpack and inspect the power inverter, check to see that the
power switch in the OFF position.
2. Connect the cable to the power input terminals on the rear panel of
power inverter. The red terminal is positive (+) and black terminal is
negative (-). Connect the cable into the terminals and tighten the wing
nut to clamp the wires securely.
3. Connect the cable from the negative terminal of the inverter to the
negative terminal of the power source. Make a secure connection.
Caution
Loosely tightened connectors result in excessive voltage drop and may
cause overheated wires and melted insulation.
4. Before proceeding further, carefully check that the cable you have just
connected connects from the negative terminal of inverter to the
negative output terminal of the power source.
5. When connecting the inverter directly to your battery terminals, it is
important to connect with right polarity (connect
⊕
from inverter to
⊕
of
battery terminal and connect
⊖
from inverter to
⊖
of battery terminal)
Warning
You may observe a spark when you make this connection since
current may flow to charge capacitors in the power inverter. Do not
make this connection in the presence of flammable fumes, as
explosion or fire may result.
6. Set the power switch to the ON position. Check the meters and
indicators on the front panels of the inverters. The voltage bar graph
should indicate 11 to 14 volts, depending on the voltage of the power
source. If it does not, check your power source and the connections to
inverter. The other indicators should be off.
7. Set power inverter switch to the OFF position, the indicator lights may
blink and the internal alarm may sound momentarily. This is normal.
Plug the test load into the AC receptacle on the front panel of the
inverter. Leave the test load switch off.
