User`s manual
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7
User’s Manual—Read before using this equipment
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The startup load of an appliance is a major factor of whether this inverter can
power it.
Startup load is momentary. With many appliances, it is approximately twice the
continuous load, but some appliance startup loads can be as high as eight times the
continuous load.
To determine if an appliance or tool will operate with this inverter, run a test. This
inverter will automatically shut down in the event of an output overload, so there is
no danger of damaging either the inverter or the equipment. When lit, a red LED
indicator signals a fault.
Maximum Power from Switched Accessory Sockets
Most vehicular accessory sockets that are controlled through a vehicle’s ignition
switch are fused at 15 Amps. This limits inverter output to approximately 140 watts.
A user has some options to power appliances to 180 watts.
1. Install a separate fused DC accessory socket wired to the vehicle’s battery.
Fuse this circuit at 20 Amps.
2. Change Inverter power cords and wire a fused cable to the vehicle’s battery.
Fuse this circuit at 20 Amps.
There is no danger in leaving the inverter directly wired to the battery if the inverter
is turned OFF after use. Further, all inverters will shut off when the battery discharges
to 9.5 volts. This battery voltage is still enough to allow the vehicle to start.
Determining Maximum Appliance Wattage
Do not exceed the 180 watt maximum AC load or the inverter will shut down.
Most other electrical tools, appliances, and audio/video equipment have labels
that list the unit’s power requirements in watts. If the tool or device is rated in amps,