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• Avoid placing the inverter on or near heating vents, radiators or other
sources of heat. Do not place or use the inverter in direct sunlight. Ideal air
temperatures should be between 50° and 80° F .
• In order to properly disperse the heat generated from the inverter while it is
operating, keep the inverter well ventilated. Keep the area surrounding the
inverter clear while in use.
• Do not use the inverter near flammable materials. Do not place the inverter in
areas such as battery compartments where fumes or gases may
accumulate.
Inverter Protection Features
• Short Circuit Protection. The inverter will automatically shut down until
short is removed.
• Low Voltage Alarm. An alarm will sound when the voltage from the battery
discharges to 10.5 +/- 0.5 volts DC. This is an indication that the battery needs
to be recharged.
• Over Voltage Protection. The RED LED Indicator Light will illuminate and
the inverter will automatically turn itself off when the input exceeds 16.5 +/- 1
volt DC.
• Under Voltage Protection. The RED LED Indicator Light will illuminate and
the inverter will automatically turn itself off when the input is less than 10.0
+/- 0.5 volts DC.
• Overload Protection. The RED LED Indicator Light will illuminate and the
inverter will automatically turn itself off when the continuous draw of the
equipment being operated exceeds 3000 watts or the surge draw of the
equipment exceeds 6000 watts.
• Thermal Protection. The RED LED Indicator Light will illuminate and the
inverter will automatically turn itself off when the circuit temperature
exceeds 150° F .
Notes
• The inverter is equipped with a cooling fan, which is designed to turn on
when the unit gets hot. When the temperature inside the inverter exceeds the
limits of safe operation, the cooling fan will automatically turn on to cool the
inverter. When the temperature has lowered to a safe operating degree, it will
shut off.
• In the event of automatic shut down or a continuous audible alarm, turn the
inverter power switch to the OFF(O) position until the source of the problem
has been determined and resolved.
PMP3000 Models
5
Digital Display
When the selector switch is in the "watt" position, the display will indicate the
total wattage being produced by the inverter. This will vary depending on the
appliance being operated by the inverter. If the reading is over 3000 watts, the
inverter will automatically shut down. This most often happens when the
current draw of the appliance being operated is greater than the inverter is
capable of producing.
When the selector switch is in the "volt" position, the display will indicate the
input "voltage" from the battery. The inverter will operate with input voltage
ranging from 11 to 15 volts of direct current (DC). If the voltage level falls below
10.5 +/- 0.5 volts DC, an audible alarm will sound. Should the voltage drop
below 10 +/- 0.5 volts DC, the inverter will automatically shut down. The
inverter may be damaged if the input voltage exceeds 15 volts, and the inverter
will automatically shut down. However, despite this safety feature, excessive
voltage may cause damage to the inverter. Damage caused by excess voltage
input is not covered under the warranty.
Television and Audio Suggestions
Although all COLEMAN® inverters are shielded and filtered to minimize
signal interference, some interference with your television picture may be
unavoidable, especially with weak signals. However, here are some
suggestions that may improve reception:
• Make sure the television antenna produces a clear signal under normal
operating conditions (at home plugged into a standard 120 volt AC outlet).
Also, ensure that the antenna cable is properly shielded and/or good quality.
• Change the positions of the inverter, antenna cables and the television power
cord.
• Isolate the television, its power cord and antenna cables from the 12-volt
power source by running an extension cord from the inverter to the
television set.
• Coil the television power cord and the input cables running from the 12-volt
power source to the inverter.
• Attach an AC interference filter or similar product between the inverter and the
television power cord. These filters are available at most electronic supply
stores, including Radio Shack.
Note: Inexpensive sound systems may emit a "buzzing" sound when
operated with an inverter. This is due to the inadequate filters in the sound
system. There is no solution to this problem other than purchasing a sound
system with a higher quality power supply.
Owner's Manual
6
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