Cobra CPI 880
Contents
1. 000000 6 Connecting Cables 7 Power Consumption 10 amp Operation Turning Your Inverter On or Off 11 Power and Protection Indicators 12 Operating Limits 13 Troubleshooting Guide 14 Specifications 200 15 amp Warranty Warranty 000202e eee 16 QR Customer Assistance Maintenance 008 17 Product Service nananana 17 e Customer AssisBince Maintenance Very little maintenance is required to keep the inverter operating properly The exterior of the unit should be cleaned periodically with a damp cloth to prevent accumulation of dust and dirt At the same time tighten the screws on the DC input terminals Be sure vents and fans are free of dust or debris Product Service If you have any questions about operating or installing your new Cobra product or if you are missing parts Please call Cobra first DO NOT RETURN THIS PRODUCT TO THE STORE See customer assistance on page A1 If your product should require factory service please call Cobra first before sending your power inverter This will ensure the fastest turn around time on your repair You may be asked to send your power inverter to the Cobra factory It will be necessary to furnish the following to have the product serviced and returned 1 For warranty repair include some form of proof of purch2. S Cobra Operating Instructions The Cobra line of quality products includes CB Radios microTALK Radios Radar Laser Detectors Safety Alert Traffic Warning Systems Mobile GPS Navigation Systems HighGear Accessories CobraMarine VHF Radios CobraMarine Chartplotters Power Inverters Accessories For more information or to order any of our products please visit our website www cobra com 800 WATT POWER INVERTER Printed in China Part No 480 524 P Version B Nothing Comes Close to a Cobra Nothing Comes Close to a Cob Skolt Thank you for purchasing the Cobra CPI 880 inverter Properly used this Cobra product will give you many years of reliable service AALLS Introduction How Your Cobra Power Inverter Works The Cobra power inverter is an electronic product that has been designed and built to take low voltage DC Direct Current power from your automobile or other low voltage power supplies and convert it to standard 115 Volt AC Alternating Current power like the current you have in your home This conversion process thereby allows you to use many of your household appliances and electronic products in automobiles RVs boats tractors trucks and virtually anywhere else CO e AN Customer Assistance Customer Assistance Should you encounter any problems with this product or not understand its many features please refer to this owner s manual If you require
3. in an area where water can drip 2 Connect cables to power input or splash on the inverter terminals see page 7 for details B Cool 3 Connect cables to power source Ambient air temperature should be between 30 F see page 7 for details and 105 F 0 C and 40 C The cooler the better 4 Check to make sure all C Ventilate connections are secure Allow at least one inch three cm of clearance around 5 Turn the inverter on If the the inverter for proper airflow Make sure that ventilation power source is a DC power openings on the ends of the unit are not obstructed supply switch it on first D Safe 6 Plug in the test load Do not install the inverter in the same compartment as a battery or in any compartment that contains The inverter should supply flammable liquids such as gasoline power to the load If the inverter E Close to Battery is not working properly refer to Install unit as close to battery as possible without the troubleshooting guide on being in the same compartment to minimize the page 14 or power and protection length of cable required to connect the inverter to indicators section on page 12 the battery It is better and cheaper to run longer AC wires than longer DC wires cables EP CAUTION To avoid fire do not cover or obstruct ventilation openings Do not install inverter in a zero clearance compartment Overheating may result CAUTION The inverter must only be connected to batteries with a nominal ou
4. I CAUTION Reverse polarity connections positive to negative will blow internal fuses in the inverter and may permanently damage the unit Such damage is not covered by the warranty CAUTION Remove any jewelry watch ring etc Be careful not to short circuit the battery with any metallic object wrench etc WARNING 115 volt AC power is potentially lethal Do not work on AC wiring when it is connected to the inverter even if it is switched off unless the DC power source is physically disconnected from the inverter Also do not work on AC wiring if it is connected to another AC power source such as a generator or the utility line WARNING You may observe a spark when making the connection because current can flow to charge the capacitors in the inverter Do not make this connection in the presence of flammable fumes Explosion or fire may result Thoroughly ventilate the battery compartment before making this connection Nothing Comes Close to a Cobra 2 Installation Operation Power Consumption For each piece of equipment you will be operating from the inverter you must determine the battery s reserve capacity how long the battery can deliver a specific amount of current in automotive batteries usually 25 amperes or ampere hour capacity a measure of how many amperes a battery can deliver for a specified length of time Example Reserve capacity a battery with a reserve capacity of 180 minu
5. Optimum performance will occur when the voltage is between 12 volts and 14 volts If the voltage drops below 10 5V 0 3V an audible low battery warning will sound The inverter will shut down if the input voltage drops below 9 5V 0 3V This protects the battery from being over discharged It will restart when the input voltage exceeds 12V 0 3V The inverter will also shut down if the input voltage exceeds 15 75V 0 75V This protects the inverter against excessive input voltage Although the inverter has protection against over voltage it may still be damaged if the input voltage were to exceed 16 volts Nothing Comes Close to a Cobra 13 Operation Troubleshooting Guide Problem Symptom Possible Causes Low output voltage No output voltage Low input voltage No output voltage after prolonged use Overload Thermal shutdown Solution Reduce the load Recharge battery Check connections and cable Allow inverter to cool off Reduce load continuous operation input current required Improve ventilation Make sure ventilation openings in the inverter are not obstructed Reduce ambient temperature No output voltage Protect indicator lighted High input voltage Make sure the inverter is connected to 12V battery Check regulation of charging system No output voltage Short circuit Check load for proper operation No output voltage Inverter Turn inverter
6. ase such as a mechanical reproduction or carbon copy of a sales receipt If you send the original receipt it cannot be returned Send the entire product Enclose a description of what is happening with the power inverter Include a typed or clearly printed name and address of where the power inverter is to be returned Pack power inverter securely to prevent damage in transit If possible use the original packing material 5 Ship prepaid and insured by way of a traceable carrier such as United Parcel Service UPS or Priority Mail to avoid loss in transit to Cobra Factory Service Cobra Electronics Corporation 6500 West Cortland Street Chicago Illinois 60707 USA 6 If the power inverter is in warranty upon receipt of your power inverter it will either be repaired or exchanged depending on the model Please allow approximately three to four weeks before contacting Cobra for status If the power inverter is out of warranty a letter will automatically be sent informing you of the repair charge or replacement charge If you have any questions please call 773 889 3087 for assistance ow N gt Nothing Comes Close to a Cobra Introduction Important Safety Information Before installing and using your Cobra power inverter please read these general precautions and warnings Caution and Warning Statements To make the most of this inverter it must be installed and used properly Please read the installatio
7. further assistance after reading this manual Cobra Electronics offers the following customer assistance services For Assistance in the U S A Automated Help Desk English only 24 hours a day 7 days a week 773 889 3087 phone Customer Assistance Operators English and Spanish 8 00 a m to 6 00 p m CT Monday through Friday except holidays 773 889 3087 phone Questions English and Spanish Faxes can be received at 773 622 2269 fax Technical Assistance English only www cobra com on line Frequently Asked Questions English and Spanish productinfoecobra com e mail For Assistance Outside the U S A Contact Your Local Dealer 2008 Cobra Electronics Corporation 6500 West Cortland Street A Chicago Illinois 60707 USA www cobra com amp Maintenance and Introduction Features e Two AC Receptacles e Automatic Thermal Protection Shutdown Reverse Polarity Protection e Low Battery Alarm e Low Battery Shutdown Protection amp Power Indicators USB Outlet 3 okon AC Outlets O Power Switch Positive Battery Negative Battery Cable Terminal Cable Terminal Cooling Fan Red Black Introduction Introduction Our Thanks to You 0005 Al Customer Assistance Al Product Features 00 A2 Important Safety Information 1 Quick Evaluation Before Installation 3 D Installation Installation Requirements 5 Mounting
8. n and operating instructions carefully before installing and using it Special attention must be paid to the CAUTION and WARNING statements in the manual ED 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 General Precautions 1 Never install the inverter in a boat s engine compartment where gas and battery fumes are present 2 Do not operate the inverter if it has been dropped or damaged in any way 3 Do not open the inverter it contains no user serviceable parts Attempting to service unit could cause electrical shock NOTE Internal components remain charged after all power is disconnected 4 Do not expose the inverter to rain snow bilge water or spray 5 Do not obstruct the ventilation openings 6 Do not install the inverter in zero clearance compartment ED CAUTION This inverter should be used in negative ground applications only Nothing Comes Close to a Cobra Introduction Quick Evaluation Introduction WARNING Power inverters contain components that can produce arcs or sparks To prevent fire or explosion do not install the inverter in areas or compartments containing batteries or flammable materials or in locations that require ignition protected equipment WARNING To reduce the risk of fire do not cover or obstruct the ventilation openings Do
9. not install inverter in zero clearance compartment Warning Wash Hands After Handling Power Cord The power cord on this product contains lead a chemical known in the state of California to cause birth defects or other reproductive harm Caution Rechargeable Appliances Certain chargers for small nickel cadmium batteries can be damaged if connected to the Cobra 800 watt inverter Two particular types of equipment are prone to this problem Plug In Directly 1 Small battery operated appliances such as flashlights razors and night lights that can be plugged directly into an AC receptacle to recharge Dangerous Voltages 2 Certain battery chargers for battery packs used in hand power tools These chargers have a WARNING label stating that dangerous voltages are ES AG 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 than 30 volts the inverter will have no problem powering the adapter safely fz Cobra 800 Watt Output Waveform Some very sensitive electronic equipment may not operate satisfactory on square wave or modified sine wave The output waveform is referred to as square wave or modified sine wave It is a s
10. on switched off No power Check wiring to inverter to inverter Reverse Observe DC polarity correct polarity Low battery alarm Poor DC wiring Check on all the time Poor battery condition connections Make sure battery is fully charged Operation Specifications Continuous output power 1 hour 800W Surge rating 0 1 second 1600W Peak efficiency 12V 1 2 load gt 88 Efficiency full load 12V 06 gt 83 No load current draw lt 0 5A 12 6V Output waveform resistive load Modified sine wave Output frequency 00 58HZ 62HZ Output voltage 00 109V 120V USB OUIDUE iania reen a e a ealaane lt 5V Input voltage 10 4VDC 14 4VDC Alarm voltage unload 10 2V 10 8V Shutdown voltage unload 9 2V 9 8V Operating temperature range 0 C 40 C 32 F 104 F Storage temperature range 40 C 85 C 40 F 185 F Protection Overload short circuit overtemp reverse polarity under over voltage Notes All protection is automatically recovered To protect the battery if the unit needs to be restarted after low voltage protection the voltage of DC input should be above 12V To extend the life of the fan it will stop when there is no load The speed of the fan increases as the load increase
11. power to your loads If several loads are to be operated by the inverter turn them on separately after the inverter has been turned on This will ensure that the inverter does not have to deliver the starting currents required for all the loads at once To turn the power inverter off 1 On the left side panel switch the On Off Switch to off On Off Switch to On Jas On Off Switch to Off NOTE The On Off Switch turns the control circuit in the inverter on and off It does not disconnect power from the inverter NOTE When the switch is in the off position the inverter draws no current from the battery When it s in the on position but no power is being supplied to the load the inverter draws less than 500 milliamperes from the battery This is low current draw It would take more than a week to discharge a 100 ampere hour battery at this rate depending on the age of the battery Nothing Comes Close to a Cobra 17 Power and Operation Power and Protection Indicators The power and protection indicators include a green light a red light and an alarm Green Light Power on The green light should remain on steady Red Light and or Alarm Current overload The red light will turn on momentarily then the inverter will shutdown The inverter will continue to check for appropriate current levels while trying to restart the load DC input voltage overload The red light will turn on and the inver
12. rranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty Cobra shall not be liable for any incidental consequential or other damages including without limitation to damages resulting from loss of use or cost of installation Some states do not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations may not apply to you For Products Purchased Outside the U S A Please contact your local dealer for warranty information Trademark Acknowledgement Cobra Nothing Comes Close to a Cobra and the snake design are registered trademarks of Cobra Electronics Corporation USA Cobra Electronics Corporation is a trademark of Cobra Electronics Corporation USA
13. s The unit is completely insulated in input and output for added safety Nothing Comes Close to a Cobra 15 Limited Two Year Warranty For Products Purchased in the U S A Cobra Electronics Corporation warrants that its Cobra power inverter and the component parts thereof will be free of defects in workmanship and materials for a period of two years from the date of first consumer purchase This warranty may be enforced by the first consumer purchaser provided that the product is utilized within the U S A Cobra will without charge repair or replace at its option defective power inverters products or component parts upon delivery to the Cobra Factory Service department accompanied by proof of the date of first consumer purchase such as a duplicated copy of a sales receipt You must pay any initial shipping charges required to ship the product for warranty service but the return charges will be at Cobra s expense if the product is repaired or replaced under warranty This warranty gives you specific legal rights and you may also have other rights which may vary from state to state Exclusions This limited warranty does not apply 1 To any product damaged by accident 2 In the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs 3 If the serial number has been altered defaced or removed 4 If the owner of the product resides outside the U S A All implied wa
14. tepped 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 Quick Evaluation Before Installation This section provides you with basic information about the inverter and how to check its performance before installation Be Sure to Have on Hand A 12 volt DC power source such as a vehicle battery The power source must provide between 11 and 15 volts DC and be able to supply enough current to run the test load As a rough guide divide the wattage of the test load by 10 to get the current in amperes the power source must deliver The provided two foot direct to battery 12 gauge cable Only use the cable provided with your inverter A test load that can be plugged into the AC receptacle on the inverter for short term testing at a low power level Nothing Comes Close to a Cobra 3 Quick Evaluation x Installation a_i A 500 Dejo AsStalatuon dequiremen Introduction Installation To check your inverter s performance before installation Installation Requirements 1 Turn the inverter off see page 11 The inverter must be installed in an area that meets for details If the power source all of the following requirements is a DC power supply switch it A Dry off as well Do not place
15. ter will shutdown The inverter will continue to check for appropriate voltage levels while trying to restart the load DC input voltage shortage As a warning that the voltage is getting low the internal alarm will sound When the voltage is too low the inverter will shutdown and the red light will turn on The inverter will continue to check for appropriate voltage levels while trying to restart the load Temperature overload The red light will blink then the inverter will shutdown The inverter will continue to check for appropriate temperature levels while trying to restart the load NOTE A momentary sound of the internal alarm and or flash of the red light is normal at start up Operation Operating Limits Power Output The inverter can deliver 800 watts for about 60 minutes The inverter must cool for 15 minutes before it can resume operation at 800 watts Note The wattage rating applies to resistive loads The inverter will operate most AC loads within its power rating Some induction motors used in freezers pumps and other motor operated equipment require very high surge currents to start The inverter may not be able to start some of these motors even though their rated current draw is within the inverter s limits The inverter will normally start single phase induction motors rated at one half HP or less Input Voltage The inverter will operate from input voltage ranging from 10 volts to 15 volts
16. tes can deliver 25 amperes for 180 minutes before it is completely discharged Example Ampere hour capacity a battery with an ampere hour capacity of 100 ampere hours can deliver 5 amperes for 20 hours before it is completely discharged To determine the battery ampere hour capacity you require 1 Determine how many watts each piece of equipment consumes This can normally be found on the product label If only the current draw is given multiply the current draw by 115 to get the watt consumption 2 Estimate the time in hours that each piece of equipment will be running between battery charging cycles 3 Calculate the total watt hours of energy consumption power x operating time using the average power consumption and the total estimated running time in hours Power x Operating Time Watt Hours TV VCR up to 25 50 watts x 2 hours 115 watts x 3 hours 300 watts x 15 minutes 100 watt hours 345 watt hours 75 watt hours 4 Divide the watt hours by 10 to determine how many power supply s 12 volt ampere hours will be consumed IN o Turning Your Inverter On or Off Be sure to have your power inverter properly installed before attempting to turn the unit on see installation page 5 To turn the power inverter on 1 If a DC power supply is being used as the power source switch it on 2 On the left side panel switch the On Off Switch to on The inverter is now ready to deliver AC
17. the ends of the cables onto the terminals and tighten the screws to clamp the cables safely Connect Cables Nothing Comes Close to a Cobra Installation Installation 3 Connect cable to the power source a Connect the cable from the Negative Black Terminal of inverter to the Negative Terminal of the power source Make a secure connection b Connect the cable from the Positive Red Terminal of the inverter to the Positive Terminal of the power source the battery s main fuse or the battery selector switch if you are using one Make a secure connection You might observe a spark when you make this connection since current can flow to charge capacitors in the inverter All power connections to your Cobra inverter must be Positive to Positive and Negative to Negative Connect Power Source D CAUTION Do not connect the inverter and another AC source such as a generator or utility power to the AC wiring at the same time The inverter will be damaged if its output is connected to AC voltage from another source Damage can even occur if the inverter is switched off CAUTION Do not connect the inverter to an AC branch circuit that has high power consumption loads It will not operate electric heaters air conditioners stoves and other electrical appliances that consume more than 800 watts CAUTION Loose connectors result in excessive voltage drop and may cause over heated wires and melted insulation C
18. tput voltage of 12 volts It will not work with a 6 volt battery and will be damaged if it is connected to a 16 volt battery A WARNING This unit contains components which can produce arcs or sparks To prevent fire or explosion do not install in compartments containing a battery or flammable materials or in a location which requires ignition protected equipment fa Nothing Comes Close to a Cobra 5 Installation Installation Mounting To mount your inverter 1 Place the inverter on a flat surface with the mounting bracket against the mounting surface 2 Mount to secure surface using mounting hardware that is corrosion resistant not included The inverter can be mounted horizontally or vertically Connecting Cables Power wire and wiring are very important to the performance of the inverter Because the inverter has a low voltage high current input low resistance wiring is essential between the battery and inverter This is so it can deliver the maximum amount of energy to the load Only use the cables provided with your power inverter To connect the cables between the inverter and the battery 1 Turn the On Off Switch on the inverter to the off position If the power source is a DC power supply switch it off as well 2 Connect cable to the Power Input Terminals on right side panel of the inverter The red terminal is positive and the black terminal is negative Insert
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