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A1 Controls and Indicators 1. 2. 3. 4. 5. On/Off Power Switch Battery Voltage and Current Meter AC Outlets Battery Cable Terminals Ground Terminal 3.2. 1. Thank you for purchasing the Cobra PI2000 inverter. Properly used, this Cobra product will give you many years of reliable service. Cobra Customer Service Live operators are available M-F 8:00 am – 6:00 Customer Support Should you encounter any problems with this product, or not understand its many features, please refer to this owner’s manual. If, after referring to the manual, you still need help, call Cobra Customer Service at 773.889.3087. pm CST at 773.889.3087 Automated Technical Assistance available 24 hours a day, seven days a week. E-mail questions to: productinfo@ cobraelectronics.com Cobra on the World Wide Web: Frequently Asked Questions (FAQ) can be found at: 4. 4. 5. A3A2 How to Use Your HG PI2000 Power Inverter Contents Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 The Power Inverter Story. . . . . . . . . . . . . . . . . . A1 Controls and Indicators . . . . . . . . . . . . . . . . . . . A2 Our Thanks to You . . . . . . . . . . . . . . . . . . . . . . . . . A3 Customer Support . . . . . . . . . . . . . . . . . . . . . . A3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Rechargeable Appliances . . . . . . . . . . . . . . . . . . . . 3 Quick Checkout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Testing/Connections . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Mounting/Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Ground Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 DC Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Controls and Indicators . . . . . . . . . . . . . . . . . . . . . 14 Operating Limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . 16 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 If You Think You Need Service. . . . . Back Cover Features of This Product •Automatic thermal protection/shutdown •Reverse polarity protection •Three AC receptacles •Low battery alarm •Low battery shutdown •Battery voltage and current meters 1 Introduction To make the most of this inverter, it must be installed and used properly. Please read the installation and operating instructions carefully before installing and using it. Special attention must be paid to the CAUTION and WARNING statements in the manual. CAUTION statements specify conditions which could cause damage to the unit or other equipment. WARNING statements identify conditions that could result in personal injury or loss of life. Cobra 2000W Output Waveform The output waveform is referred to as “square wave” or “modified sine wave.” It is a stepped waveform designed to have characteristics similar to the sine wave shape of utility power. A waveform of this nature is suitable for most AC loads (including linear and switching power suppliers used in electronic equipment, transformers and motors). Caution: Rechargeable Appliances Caution: Rechargeable Appliances Certain rechargers for small nickel cadmium batteries can be damaged if connected to the Cobra 2000W inverter. Two particular types of equipment are prone to this problem: 1. Small battery-operated appliances such as flashlights, razors, and night lights that can be plugged directly into an AC receptacle to recharge. 2. Certain battery chargers for battery packs used in hand power tools. These charges have a WARNING label stating that dangerous voltages are present at the battery terminals. This problem does not occur with the vast majority of battery operated equipment. Most use a separate charger or transformer that is plugged into the AC receptacle and produces a low voltage output. If the label on the AC adapter or charger states that it produces a low voltage AC or DC output (less that 30 volts) the inverter will have no problem powering it safely. 2 3 Quick Checkout Testing/Connection 5 Testing Test Load Power Minimum Cable Size 100 w # 16 AWG copper 250 w # 12 AWG copper 500 w # 8 AWG copper The end of the cable that connects to the invert- er must have its insulation stripped off for about 1/2 inch (1.25cm) back from the end, exposing the bare copper. The other end of the cable, which connects to the power source, must be terminated with a lug or other connector that provides a secure, low resistance connection. For example, if the power source is a battery, the cable must be terminated with a battery terminal that clamps to the post on the battery. Connection 1. Turn the ON/OFF switch on the inverter to...