Cobra 1000W
Contents
1. 10274 CPI1000 vc 8 14 07 3 48 PM Page 1 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 1000 WATT POWER INVERTER Printed in China Part No 480 399 P Version C Nothing Comes Close to a Cobra Nothing Comes Close To A Cobra Introduction Thank you for purchasing the Cobra CPI 1000 inverter Properly used this Cobra product will give you many years of reliable service 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 hd Customer Assistance Customer Assistance Should you encounter any problems with this product or not understand its many features please refer to this owners manual If2. 2 Mount to secure surface using mounting hardware that is corrosion resistant not included Mounting Hardware The inverter can be mounted horizontally or vertically If mounted vertically neither end of the unit should be at the top to avoid foreign material from falling or settling into the unit Nothing Comes Close to a Cobra a 10274 CPI1000 vC 8 14 07 3 48 PM Page 8 Inst Connecting Cables included allation 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 Keep the cable length as short as possible no more than fou r feet one and a half meters This will keep the voltage drop to a minimum If the cable has too much voltage drop the inverter may shut down when drawing higher currents because voltage at the inverter may drop below 10 volts If you must use lon ger cables choose thicker cables such as 72 AWG and trim the ends of the cable to fit the terminals To connect the cables between the inverter and the battery Press the Power Button on the inverter to the off position If the power source is a DC power supply Switch it off as well 1 Installation 2 Connect cable to the Power Input Terminals on input end of the
3. Input End Introduction e Introduction Our Thanks to You A1 Customer Assistance A1 Product Features A2 Important Safety Information 1 Quick Evaluation Before Installation 4 Installation Installation Requirements 6 Mounting creme cepe tex Ree 7 Connecting Cables 8 Power Consumption 12 Ground Wiring 13 Operation Turning Your Inverter On or Off 14 Remote On Off Switch 15 Operating Indicators 16 Operating Limits 19 Troubleshooting Guide 20 Specifications 0008 21 Warranty Warranty 0 0 00 cece eee eae 22 Customer Assistance Maintenance 000 23 Product Service 00 23 Accessories and Order Form 24 Nothing Comes Close to a Cobra 25 10274 CPI1000 vC 8 14 7 3 48 PM Page 1 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 installation and operating instructions carefully before installing and using it Special attention must be paid to the CAUTION and WARNING statemen
4. 83 No load current draw lt 0 6A 12 6V Output waveform resistive load Modified sine wave Output frequency 58HZ 62HZ Output voltage 109V 120V USB output ioo rle RR Ree XS 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 increases The unit is completely insulated in input and output for added safety Nothing Comes Close to a Cobra a 10274 CPI1000 vc 8 14 07 3 48 PM Page 22 Maintenance and 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
5. 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 warranties 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 inciden
6. ance ground Nothing Comes Close to a Cobra a 10274 CPI1000 vc 8 14 07 3 48 PM Page 14 AN Operation 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 6 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 Output End press the Power Button to on Power Button The inverter is now ready to deliver AC 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 NOTE The Power Button turns the control circuit in the inverter on and off It does not disconnect power from the inverter When the button 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 a 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 Operation Remote On Off Switch An optional Remote On Off Switch see page 24 to order accessories can be connected to the Remote Jack allowing you to turn the Cobra power inverter on or off from a co
7. cked during operation even in relatively cool outside air To restore normal operation turn the unit Off and allow it to cool The inverter will automatically return to normal operation after it has cooled Operation Operating Limits Power Output The inverter can deliver 1000 watts for about 60 minutes The inverter must cool for 15 minutes before it can resume operation at 1000 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 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 5V 0 5V This protects the inverter against excessive input voltage Al
8. entially 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 10274 CPI1000 vc 8 14 07 3 48 PM Page 12 A Installation 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 ampere 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 minutes can deliver 25 ampere 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 ampere for 20 hours before it is completely discharged To determine the battery ampere hour capacity you require 1 Determine how ma
9. er 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 1000 watts CAUTION Loose connectors result in excessive voltage drop and may cause over heated wires and melted insulation 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 Installation D CAUTION We recommend a main fuse in the battery s positive cable to protect against DC wiring short circuits external to the inverter The fuse should be as close to the battery as possible We recommend a Buss Fuse ANL 250 or equivalent The specific fuse ampere rating should be sized to allow operation of all your DC powered equipment CAUTION Remove any jewelry watch ring etc Be careful not to short circuit the battery with any metallic object wrench etc WARNING If you are making a permanent AC connection to the inverter make sure that the AC wiring steps are performed before any DC wiring is done DC hook up energizes internal components regardless of the position of the On Off Switch Working on AC connections in such a circumstance may result in an electric shock WARNING 115 volt AC power is pot
10. est Load Test Load Minimum Power Cable Size 100W 16 AWG copper 250W 12 AWG copper 500W 8 AWG copper Quick Evaluation afore la on Introduction To check your inverter s performance before installation 1 Turn the inverter off see page 14 for details If the power source is a DC power supply switch it off as well 2 Connect cables to power input terminals see page 8 for details 3 Connect cables to power source see page 8 for details 4 Check to make sure all connections are secure 5 Turn the inverter on If the power source is a DC power supply switch it on first 6 Plug in the test load The inverter should supply power to the load If the inverter is not working properly refer to the troubleshooting guide on page 20 or power and protection indicators section on page 16 Power Button NOTE A USB device can be used to check the output of the USB Outlet Nothing Comes Close to a Cobra 8 10274 CPI1000 vC 8 14 07 3 48 PM Page 6 AD K Installation Ob R i Installation Installation Requirements The inverter must be installed in an area that meets all of the following requirements A Dry Do not place in an area where water can drip or splash on the inverter B Cool Ambient air temperature should be between 30 F and 105 F 0 C and 40 C The cooler the better C Ventilate Allow at least one inch three cm of clearance around the inverter for proper airf
11. inverter The red terminal is positive and the black terminal is negative Insert the bare ends of the cables into the terminals and tighten the screws to clamp the wires securely It is a good idea to check and tighten these screws from time to time They can become loose by vibrations or thermal cycling Insert Bare Cables 3 Connect cables 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 Nothing Comes Close to a Cobra 9 10274 CPI1000 vc 8 14 07 3 48 PM Page 10 Installation 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 Connect Cables 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 D CAUTION Electrical installations must meet local and national wiring codes and should be performed by a qualified electrician 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 anoth
12. low Make sure that ventilation openings on the ends of the unit are not obstructed D Safe Do not install the inverter in the same compartment as a battery or in any compartment that contains flammable liquids such as gasoline E Close to Battery Install unit as close to battery as possible without being in the same compartment to minimize the length of cable required to connect the inverter to the battery It is better and cheaper to run longer AC wires than longer DC wires cables I 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 output 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 Installation 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 WARNING This unit is suitable for installation in negative ground applications only Do not attempt to install to a positive ground application Mounting To mount your inverter 1 Place the inverter on a flat surface with the mounting bracket against the mounting surface Mounting Brackets
13. nvenient location when the inverter is installed in an out of reach location Remote Switch Remote Jack Nothing Comes Close to a Cobra 10274 CPI1000 vc 8 14 07 3 48 PM Page 16 AA Operation Operating Indicators Indicators at the Output End of the unit show the unit s power status and alarms for conditions that could cause it to shut down ly pec s llm o Baal P 1 Input V Output kW Output W O O Output Watts Power on The Voltage Input and Power Output indicators automatically toggle between input and output values at three second intervals The three LEDs indicate the mode the meter is in and the three digits indicate the voltage or power value Current Overload Protection If the inverter is overloaded it will shut down to protect itself The meter will flash as shown to indicate Overload Protect To restore normal operation disconnect the excessive load and turn the unit Off and On again using the Power Button Short Circuit Protection If the AC output of the inverter is short circuited for one second or more it will shut down to protect itself The meter will flash as shown to indicate Short Circuit Protect and an alarm will sound To restore normal operation disconnect the short circuit and turn the unit Off and On again using the Power Button High Voltage mut Output iy Output A Over Current a Lo
14. ny 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 300 watts x 15 minutes 75 watt hours 115 watts x 3 hours 345 watt hours 100 watts x 2 hours 200 watt hours 4 Divide the watt hours by 10 to determine how many battery 12 volt ampere hours will be consumed Installation Ground Wiring There is a screw on the rear panel for Chassis Ground This is to connect the chassis of the inverter to ground The Chassis Ground Screw must be connected to a grounding point which will vary depending on where the unit is installed Use a 8 AWG copper wire preferably with green yellow insulation to connect the chassis ground screw to the grounding point Chassis Ground In a vehicle Connect the Chassis Ground to the chassis of the vehicle In a boat Connect to the Boat Grounding System In a fixed location Connect the Chassis Ground Screw to earth ground by connecting to a ground rod a metal rod pounded into the earth or other proper service entr
15. rovince Zip Country Telephone Credit Card Number Type CO Visa CJ Mastercard O Discover Exp Date Customer Signature Optional Accessories You can find quality Cobra products and accessories at your local Cobra dealer or in the U S A you can order directly from Cobra Ordering from U S A Call 773 889 3087 for pricing or visit www cobra com For credit card orders complete and return this order form to fax number 773 622 2269 Or call 773 889 3087 Press 1 from the main menu 8 00 a m to 6 00 p m CT Monday through Friday Make check or money order payable to Cobra Electronics Attn Accessories Dept 6500 West Cortland Street Chicago IL 60707 USA To order online please visit our website www cobra com
16. s Close to a Cobra 3 10274 CPI1000 vc 8 14 07 3 48 PM Page 4 lan Quick Evaluation Introducti RG mie gt io 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 O 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 Cables to connect the power source to the inverter Cables are supplied with the unit that are two feet long overall from the tip of the clamp shown to the stripped and tinned end for insertion in the Input End of the unit If user supplied cables are to be used they must be as short and thick as possible in order to reduce the voltage drop between the power source and the inverter when it is drawing current from the power source If the cable suffers an excessive voltage drop the inverter may shut down when drawing higher currents because the voltage at the inverter dropped below 10 volts A test load that can be plugged into the AC receptacle on the inverter for short term testing at a low power level The following cables are recommended for testing low power level test loads only Power Source e T
17. small nickel cadmium batteries can be damaged if connected to the Cobra 1000 watt 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 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 present cS a 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 Plug In Directly WW Introduction Cobra 1000 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 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 Nothing Come
18. tal 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 e Customer e m 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 For any questions about operating or installing this new Cobra product or if parts are missing 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 For warranty repair include some form of proof of purchase such as a mechanical reproduction or carbon copy of a sales receipt If yo
19. though 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 10274 CPI1000 vc Operation Troubleshooting Guide 8 14 07 3 48 PM Page 20 Problem Symptom Possible Causes Solution Low output voltage Overload Reduce the load No output voltage Low input Recharge battery voltage Check connections and cable No output voltage Thermal Allow inverter after prolonged use shutdown 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 High input Make sure Protect indicator voltage the inverter is lighted 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 on switched off No power Check wiring to inverter to inverter Reverse Observe DC polarity correct polarity Low battery alarm Poor DC wiring Check connections on all the time Poor battery Make sure battery condition is fully charged Operation Specifications Continuous output power 1 hour 1000W Surge rating 0 1 second 2000W Peak efficiency 12V 1 2 load gt 88 Efficiency full load 12V 008 gt
20. ts in the manual D 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 a CAUTION This inverter should be used in negative ground applications only Nothing Comes Close to a Cobra 1 ae 10274 CPI1000 vc 8 14 07 3 48 PM Page 2 lan Introduction WARNING Power inverters contain components that tend to 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 not install inverter in zero clearance compartment Caution Rechargeable Appliances Certain chargers for
21. u 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 4 Pack power inverter securely to prevent damage in transit If possible use the original packing material 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 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 on e m Nothing Comes Close to a Cobra a 10274 CPI1000 vC 8 14 07 23 48 PM Page 24 Accessories and An optional Remote On Off Switch can be SM MEU Connected to the Remote Jack allowing you to SX tum the Cobra CPI 1000 inverter on or off from a convenient location when the inverter is installed in an out of reach location Name Address No P O Boxes City State P
22. w Voltage Protection If the DC input voltage drops below the alarm threshold of 10 5V the meter will flash as shown to indicate Low Voltage Protection but the unit will continue to operate If the input voltage drops to 10 0V or less the inverter will shut down to protect itself the meter will continue to flash as shown and an alarm will sound To restore normal operation return the DC input voltage to at least 12V The inverter will automatically return to normal operation High Voltage Protection If the DC input voltage rises above 15 0V the inverter will shut down to protect itself the meter will flash as shown to indicate Over Voltage Protection and an alarm will sound To restore normal operation return the DC input voltage to less than 15V The inverter will automatically return to normal operation Nothing Comes Close to a Cobra 10274 CPI1000 vc 8 14 07 3 48 PM Page 18 Over Temperature Protection If the internal inverter temperature rises above the alarm threshold the meter will flash as shown an alarm will sound to indicate Over Temperature Protect and the unit will continue to operate If the internal temperature rises to 40 C 104 F the inverter will shut down to protect itself the meter will flash as shown and the alarm will continue to sound NOTE Internal inverter temperature can rise due to being operated in a high heat environment or due to the fan or vents being blo
23. you require 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 10274 CPI1000 vC 8 14 07 3 48 PM Page 4 Introduction Features Two AC Receptacles e Reverse Polarity e Voltage amp Power Meter Protection e Remote On Off Capable Low Battery Alarm e Automatic Thermal Low Battery Shutdown Protection Shutdown USB Outlet Voltage Input amp e AC Outlets Power Output Indicators Power Button E Remote i On Off A Switch Output End Negative Battery Positive Battery Cable Terminal Cable Terminal Black Cooling Fan Red Chassis Ground Terminal
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