Cobra High Gear HG-PI1000 Operating Instructions Manual page 7

Connection
Connection 2. Connect the cables to the power input termi-
nals on right side panel of the inverter. The red
continued
terminal is positive (+) and the black terminal
CAUTION: Loosely tightened
is negative (-). Insert the bare ends of the
connectors can cause exces-
cables into the terminals and tighten the
sive voltage drops and may
screws to clamp the wires safely.
result in overheated wires and
melted insulation.
CAUTION: A reverse polarity
connection (positive to nega-
tive) will blow the fuse in the
inverter and may permanently
3. Connect the cable from the negative (black)
damage the unit.
terminal of inverter to the negative terminal of
the power source. Make a secure connection.
CAUTION: Remove any jewel-
All power connections to your Cobra inverter
ry (watch, ring etc.). Be careful
must be positive to positive and negative to
not to short circuit the battery
negative.
with any metallic object
(wrench, etc.).
4. Connect the cable from the positive (red) termi-
nal of the inverter to the positive terminal of
the power source. Make a secure connection.
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5. If a DC power supply is being used as the
power source, switch it On. Turn the ON/OFF
switch on the inverter to the On position.
Check the meters on the left side panel. The
voltage should indicate between 11 and 14
volts, depending on the voltage of the power
source.
6. Turn the inverter's ON/OFF 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 left side panel of the invert-
er. Leave the test load switched Off.
7. Switch the inverter's ON/OFF switch to the On
position and turn the test load On. The inverter
should supply power to the load.
If it does not, please consult the troubleshoot-
ing section in this manual.
Connection
Connection
continued
WARNING: You may observe a
spark when making the con-
nection because current can
flow to charge the capacitors
in the inverter. Do not make
this connection in the pres-
ence of flammable fumes.
Explosion or fire may result.
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