1.Do not install this inverter into a building’s electrical system. This inverter is a vehicular accessory. It is not designed

to be safely used in a building’s electrical system and has not been evaluated to meet building wiring codes. Improper application may create a fire or electric shock hazard.

2.To allow proper cooling, install in indoor well- ventilated area and do not cover ventilation openings or cooling fins. Do not install in engine compartment.

Especially avoid placing the Inverter on carpets and rugs; they are not only flammable, but they also obstruct vents underneath it.

3.Keep combustible materials and gasses away from the inverter. The inverter produces sparks and heat during operation and can start a fire.

4.Connect to 12 VDC power supply only. A power supply with lower voltage will not operate the Inverter correctly, and higher voltage could damage the unit.

5.Connect input polarity properly. Incorrect connection will damage inverter and void warranty.

6.Do not use in a marine application.

This inverter is not intended to withstand the highly corrosive conditions in marine applications and would quickly be rendered inoperable or unsafe.

7.Keep inverter dry and clean. Do not expose to rain, snow, spray, bilge water or dust.

8.Use cables that are thick enough. The more power (amps) or the longer the cables, the thicker they need to be to prevent overheating and fire.

9.Install as close to DC source as possible, but not in a closed area with vented lead-acid batteries. Vented lead-acid batteries release explosive hydrogen gas that can be ignited by the inverter.

10.Mount inverter horizontally.

11.Verify that installation surface has no hidden utility lines before drilling or driving screws.

12.This product is not a toy. Keep it away from children.

13.Do not use with positive ground electrical systems. (Most automobiles, trucks, and RV’s have negative ground systems.)

14.The positive (+) battery on the Inverter must be the last connection made, and must be connected before the Inverter is turned on. There may be a small spark during the final connection. This is normal.

15.Properly ground the inverter’s case as explained in this manual.

Safety

Setup

Battery Precautions

1.Wear splash-resistant ANSI-approved safety goggles and electrically insulated gloves while working near batteries.

2.Charge, store, and maintain batteries according to supplier’s instructions.

3.Locate batteries in a clean, well-ventilated area, away from ignition sources and flammable materials. Vented lead-acid batteries release explosive hydrogen gas while charging.

4.Only connect similar batteries together. Do not connect old and new batteries together, wet and gel cells together, or batteries

of different capacities together.

5.Use only 12 V batteries with this item.

6.Connect batteries in parallel ONLY (negative terminals together to one cable; positive terminals together to the other cable).

7.Install a properly rated fuse on the positive output of the battery bank.

Operation

Operation Precautions

1.Multiple outlet power strips with switches and circuit breakers only interrupt power to the “hot” receptacle terminals. The “neutral” terminals remain powered with respect to the “ground” terminals. So strip switch may be off, but part of appliance may still be powered.

2.Inspect supply connections before use to ensure they are tight and that insulation is not damaged.

3.Do not use this inverter to power sensitive devices such as medical devices or computers. Do not use in ignition protected areas.

4.Some rechargeable tools and appliances can damage the Inverter. Check the temperature of the device several times when it is charging. If the device becomes extremely hot; turn the power off, remove the device, and do not use with the Inverter again.

5.Check for breakage of parts and any other condition that may affect the Inverter’s operation. If damaged, have it repaired before use.

6.Do not attempt to power a device, or combination of devices, that will require more than the

rated output of this inverter. This may damage the inverter or the attached devices.

Maintenance

Item 69662

For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 69662 manual Battery Precautions, Operation Precautions, Safety Setup, Maintenance