Cobra Electronics CIR 2000 E Radio User Manual
Contents
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 state ments identify conditions that could result in _ personal injury or loss of life Cobra 1000W Output Waveform The output waveform is referred to as square wave or modified sine wave It is a stepped waveform designed to have characteristics simi lar to the sine wave shape of utility power A lt waveform of this nature is suitable for most AC loads including linear and switching power sup pliers used in electronic equipment transformers and motors Caution Rechargeable Appliances Caution Rechargeable Appliances Certain rechargers for small nickel cadmium bat teries can be damaged if connected to the Cobra 1000W inverter Two particular types of equip ment 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 volt ages are present at the batter2. volts and 14 volts If the voltage drops below 10 5 0 3V volts an audible low battery warning will sound The inverter will shut down if the input voltage drops below 9 5V 0 3V volts This protects the battery from being over discharged It will restart when the input voltage exceeds 10 5V 0 3V volts The inverter will also shut down if the input volt age falls to 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 exceeds 16 volts B O Trouble shooting Guide Troubleshooting Guide Low output voltage and current indicator lt in red zone No output voltage and voltage indicator in lower red zone No output voltage no voltage indication _ No output voltage lt voltage indicator in upper red zone Using average reading arr het scat Low input voltage Inverter switched Off no power to inverter fuse open Reverse DC polarity High input voltage Problem Symptom Possible Causes Solution _ Low output voltage lt on voltmeter _ 96 VAC to 104 VAC Use true RMS meter reading pea ance load Recharge battery check connections and cable Turn inverter On check wiring to inverter Have qualified service technician check and repl
3. deliver 25 amperes for 180 minutes before it is completely discharged Calculate the total watt hours of energy con _ sumption power x operating time To determine how many 12 volt ampere hours will be con sumed divide the watt hours by ten Equipment Power Operating Watt Hours Consumption Time Power x Operating Time Coffee Maker 750 watts 0 3 hour 225 Coffee Grinder 100 watts 0 1 hour 10 Microwave Oven 800 watts 0 5 hour 400 TV VCR 115 watts 3 hours 345 Blender 300 watts 0 25 hour 75 Sewing Machine 150 watts 1 hour 150 Waterpik 90 watts 0 25 hour 22 5 10 11 12 13 14 Specifications CONTINUOUS OUTPUT POWER 4 HOURS CONTINUOUS OUTPUT POWER 30 MINUTES SURGE RATING 0 1SECOND PEAK EFFICIENCY 12V 1 2 LOAD EFFICIENCY FULL LOAD 12V NO LOAD CURRENT DRAW 12 6V 1000W 1200W 2000W 90 gt 83 lt 0 5A OUTPUT WAVEFORM RESISTIVE LOAD PERFECT MODIFIED SINE WAVE OUTPUT FREQUENCY OUTPUT VOLTAGE INPUT VOLTAGE ALARM VOLTAGE UNLOAD SHUTDOWN VOLTAGE UNLOAD OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE C PROTECTION OVERLOAD SHORT CIRCUIT OVERTEMP 60HZ 2HZ 115V 5 10 15 VDC 10 5 V 0 3V 9 5V 0 3V 10 C 40 C 40 C TO 85 REVERSE POLARITY UNDER OVER VOLTAGE Specifications Notes All protection is automatically recovered _ To protect the battery if the _ unit needs
4. test load On The inverter l should supply power to the load If it does not please consult the troubleshoot ing section in this manual Connection continued WARNING You may observe a spark when making the con nection because current can flow to charge the capacitors in the inverter Do not make _ this connection in the pres ence of flammable fumes Explosion or fire may result Installation Installation cover or obstruct ventilation openings Do not install invert er in a zero clearance com partment Overheating may result WARNING This unit contains components which can pro duce arcs or sparks To prevent fire or explosion do not install in compartments containing a battery or flammable mater ials or in a location which requires ignition protected equipment Installation CAUTION To avoid fire donot 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 1 inch 3cm of clear ance around the inverter for proper airflow 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 compart ment that contains flammabl
5. 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 insulat _ ed in input and output for _ added safety Limited Three Year Warranty COBRA ELECTRONICS CORPORATION warrants that its COBRA Power Inverter and the component parts thereof will be free of defects in material and workmanship for a period of 3 years from the date of 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 a defective inverter upon delivery to the COBRA factory Service Department accompanied by proof of the date of first consumer purchase such as duplicated sales receipt You must pay 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 Exclusions This limited warranty does not apply 1 to any product damaged by accident 2 in the event of misuse or Cobra Electronics abuse of the product or as a result of unauthorized alter i Corporation ations or repairs 3 if the serial number has been altered 6500 West Cortland Street defaced or removed 4 if the owner of the pr
6. unit to the Cobra factory It will be necessary to furnish the follow ing in order to have the product serviced and returned 1 For Warranty Repair include some form of proof of purchase such as a mechanical reproduction or carbon or a sales receipt If you send the original receipt it cannot be returned 2 Send the entire product 3 Enclose a description of what is happening with the unit Include a typed or clearly print name and address of where the unit is to be returned 4 Pack unit 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 First Class Mail to avoid loss in transit to Cobra Factory Service Cobra Electronics Corporation 6500 W Cortland St Chicago IL 60707 6 If the unit is in warranty upon receipt of your unit it will either be repaired or exchanged depending on the model Please allow approximately 3 to 4 weeks before contacting us for status If the unit 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 1 773 889 3087 for assistance Cobra Electronics Corp 2000 Printed in China Part No 480 310 P 001
7. ace Observe correct polarity Make sure the inverter is connected to 12V battery check regulation of charging system Problem Symptom Possible Causes Low battery alarm on all the time voltage indicator below 11V No output voltage if load in excess of 1000W or 8 7 amperes No output voltage Poor DC wiring poor battery condition Thermal shutdown Short circuit or wiring error Maintenance Very little maintenance is required to keep the invert er 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 Maintenance Solution Use proper cable make solid connections use new battery Allowinverterto cool off Reduce load con tinuous operation input current required Improve ventila tion make sure ventilation open ings in the inverter aren t obstructed Reduce ambient temperature Check AC wiring for short circuit or improper polarity Maintenance Power Consumption For each piece of equipment you will be operat ing from the inverter you must determine the _ battery s capacity how long the battery can _ deliver a specific amount of current in automo tive batteries usually 25 amperes For example a _ battery with a reserve capacity of 180 minutes can
8. e liquids such as gasoline E Close to battery Install unit as close to bat tery 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 Mounting Mount the inverter on a flat surface placing the mounting bracket on the bottom Mounting hardware should be corrosion resistant and at least 10 or larger The inverter can be mounted horizontally or vertically Cables included Power wire and wiring is very important to the performance of the inverter Because the inverter has a low voltage high current input low resis tance wiring is essential between the battery and inverter This is so it can deliver the maximum amount of energy to the load Use only copper wire Aluminum wire has about 1 3 more resistance than copper wire of the same size plus it is difficult to make good low resistance connections to aluminum wire We recommend 4 copper cable 90 C insulation rating as the minimum size for connections between the battery and inverter Keep the cable length as short as possible no more than 4 ft 1 5 meters This will keep the voltage drop to a minimum Mounting Cables Mounting CAUTION The inverter must only be connected to batteries with a nominal output voltage of 12 volts It will not work with a6 volt battery and will be damaged if i
9. ert er to the negative terminal of the battery Power connections to the inverter must be positive to positive and negative to negative 5 Connect the cable from the positive terminal of the inverter to the positive terminal of the battery s main fuse or to 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 Operation Turn the inverter On by using the ON OFF switch on the left side panel 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 DC Wiring WARNING Do not make this connection in the presence of flammable fumes Explosion or fire may result Thoroughly lt ventilate the battery compart ment before making this con nection B O Controls and Indicators Operating Limits Controls and Indicators _ ON OFF Switch Turns the control circuit in the inverter On and Off It does not disconnect power from the inverter When the sw
10. ery with any metallic object wrench etc 2 Connect the cables to the power input termi nals on right side panel of the 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 safely Connect the cable from the negative black terminal of inverter to the negative terminal of the power source Make a secure connection All power connections to your Cobra inverter must be positive to positive and negative to negative Connect the cable from the positive red termi nal of the inverter to the positive terminal of the power source Make a secure connection 5 If a DC power supply is being used as the power source switch it On Turn the ON OFF switch on the inverter to the On position Check the meters on the left side panel The voltage should indicate between 11 and 14 volts depending on the voltage of the power source 6 Turn the inverter s ON OFF switch to the Off position The indicator lights may blink and the internal alarm may sound momentarily This is normal Plug the test load into the AC receptacle on the left side panel of the invert er Leave the test load switched Off 7 Switch the inverter s ON OFF switch to the On position and turn the
11. itch 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 Don t worry about excessive drain on the battery if you leave the inverter switched On for a few days However do switch it off if you are not planning be recharge the battery within a week or so _ Power Output The inverter will deliver 1000 watts continuously It can deliver 1200 watts for about 30 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 freez ers pumps and other motor operated equipment Operating Limits Operating Limits require very high surge currents to start The invert er 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 sin gle phase induction motors rated at 1 2 HP or less _ Input Voltage l Input Voltage The inverter will operate from input voltage rang ing from 10 volts to 15 volts Optimum perfor mance will occur when the voltage is between 12
12. nded copper cable is recommended It should be no longer than 1 5 meters 4 ft For short term testing at a low power level the following is recommended Quick Checkout Testing Connection Testing 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 Connection 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 wat i D ae i Connection Connection Connection continued CAUTION Loosely tightened connectors can cause exces sive voltage drops and may result in overheated wires and melted insulation CAUTION A reverse polarity connection positive to nega tive will blow the fuse in the inverter and may permanently damage the unit CAUTION Remove any jewel ry watch ring etc Be careful not to short circuit the batt
13. oduct resides Chicago Illinois 60707 outside the U S A All implied warranties including warranties of mer chantability 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 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 Cobra Electronics Corporation 6500 West Cortland Street Chicago IL 60707 If You Think You Need Service For technical assistance please call our Automated Help Desk which can assist you by answering the most frequently asked questions about Cobra products 773 889 3087 24 hours a day 7 days a week A Consumer Service Representative can be reached through this same number 8 00 am 6 00 pm Monday through Friday CST Technical assistance is also available on line in the Frequently Asked Questions FAQ section at www cobraelectronics com or by e mail to productinfo cobraelectronics com If you think you need service call 1 773 889 3087 If your product should require factory service please call Cobra first before sending in your unit This will ensure the fastest turn around time on your repair You may be asked to send your
14. t is connected to _ a 16 volt battery _ 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 potentially lethal Do not work on AC wiring when it is connect ed to the inverter even if it is _ switched off unless the DC power source is physically dis connected from the inverter Also do not work on AC wiring if itis connected to another AC power source such as a genera toror the utility line CAUTION Electrical installa tions 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 con nected 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 con sumption loads It will not operate electric heaters air conditioners stoves and other electrical appliances that con sume more than 1000 watts If the cable has too much voltage drop
15. the inverter may shut down when drawing higher _ currents because voltage at the inverter may drop below 10 volts If you must use longer cables choose thicker cables such as 2 AWG and trim the ends of the cable to fit the terminals Strip back the insulation about 1 2 inch 1 25cm on the end of the cable that connects to the inverter exposing the bare cooper conductor The other end of the cable that connects to bat _ tery must be terminated with a battery terminal that clamps to the post on the battery Ground Wiring There is a screw on the rear panel labeled Chassis Ground This is to connect the chassis of the inverter to ground The ground terminal in the AC outlet on the right side panel of the inverter is connected to the chassis 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 ground ing point Ina vehicle connect the Chassis Ground to the chassis of the vehicle Ina boat connect to the boat grounding system Ina 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 entrance ground Ground Wiring _ Ground Wiring Warning Do not operate the inverter witho
16. tronics com Cobra on the World Wide Web Frequently Asked Questions FAQ can be _ found at www cobraelec com EB Battery Cable Terminals ZST E Ground Terminal Ne e e DS Contents Features osc iki hed iene et tenes 1 The Power Inverter Story Al Controls and Indicators A2 Our Thanks to You 0000e A3 Customer Support e cece eens A3 Introduction 0 cece cece eee ees 2 Rechargeable Appliances 64 3 Quick Checkout 0 cece cece eee eee 4 Testing Connections cece eee ee eee 5 Installation 6 e cece eee e cen ence e ees 8 Mounting Cables sees eee eee eee 9 Ground Wiring cece cece eee ee ences 11 DEWIN a a n toes slat onle ware 12 Controls and Indicators 0 e eee 14 Operating Limits cece eee eee 15 Troubleshooting Guide 0065 16 Maintenance 0c cece eee ence ee eee 17 Specifications c cece eee eee 18 Warranty cece cece eee eee 19 If You Think You Need Service Back Cover How to Use Your HG PI100O Power Inverter Features of This Product e Automatic thermal protection shutdown Reverse polarity protection e Three AC receptacles Low battery alarm Low battery shutdown Battery voltage and current meters
17. ut connecting it _ to ground Electrical shock hazard may result a DC Wiring DC Wiring CAUTION Loosely tightened connectors result in excessive voltage drop and may cause over heated wires and melted insulation CAUTION Reverse polarity connections positive to nega tive will blow external fuses in the inverter and may perma nently damage the unit Such damage is not covered by the warranty CAUTION We recommend a main fuse in the battery s posi tive cable to protect against DC wiring short circuits exter nal to the inverter The fuse should be as close to the bat tery as possible We recom mend a Buss Fuse ANL 250 or equivalent The specific fuse ampere rating should be sized to allow operation of all your DC powered equipment DC Wiring 1 Be sure the ON OFF switch on the inverter is in the OFF position Connect the cables to the power input termi nals on the rear panel of the 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 Connect the cable from the negative terminal of the inverter to the negative terminal of the battery Make a secure connection Double check that the cable you just installed connects the negative terminal of the inv
18. wGHGEn Cobra HG P1I1000 Operating Instructions for Your High Gear by Cobra 1000 Watt Power Inverter Nothing comes close to a Cobra How Your HG PI1LOOO Power Inverter Works How Your Cobra Power Inverter Works The Cobra Power Inverter is an electronic pro duct 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 house hold appliances and electronic products in auto mobiles RVs boats tractors trucks and virtually anywhere else Controls and Indicators Thank you for purchasing the Cobra P11000 EB Battery Voltage and inverter Properly used this Cobra product will CurrentMeter give you many years of reliable service Cobra Customer Service E AC Outlets _ Live operators are avail Customer Support _ pm CST at 773 889 3087 Should you encounter any problems with this _ Automated Technical product or not understand its many features _ Assistance available 24 please refer to this owner s manual If after referr hours a day seven days a ing to the manual you still need help call Cobra Week E mail questions to Customer Service at 773 889 3087 productinfo cobraelec
19. y 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 Quick Checkout Quick Checkout _ This section provides you with basic information about the inverter and how to check its perfor mance before installation Be sure to have the fol lowing on hand e A 12 volt DC power source such as a vehicle battery e A set of cables to connect the power source to the inverter _ Atest load that can be plugged into the AC receptacle on the inverter _ Power Source _ 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 included The cables 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 cur _ rents because the voltage at the inverter dropped below 10 volts _ 4 AWG stra
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