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1. The SRX PIS5OOW draws less than 0 4 ampere from the battery when it is not supplying power to the load In most cases the SRX PISOOW may be left connected to the battery when it is not in use since it draws so little current If the vehicle will not be used for severals days disconnect the inverter from the battery LOW BATTERY ALARM An alarm will sound when the voltage of the battery drops to 10 5 volts This indicates that the battery requires charging The user should stop operations at this time since the inverter will shut down automatically when battery voltage drops to 10 0 volts If the low battery alarm sounds when the battery is fully charged followthe steps for correcting the lack of output power in the Trouble Shooting Guide The alarm will sound when the inverter is overloaded or if there is an excessive voltage drop between the battery and the inverter NOTE The alarm may sound momentarily when the unit is being connected to or disconnected from the power source This is normal and doed not indicate any problem INDICATORS AND CONTROLS OW BATTERY VOLTAGE INDICATOR POWER INDICATOR LIGHTER SB PORT AC 230V OUTPUT SOCKET ON OFF SWITCH BATTERY OPERATING TIME The typical vehicle battery has a minimum operating time of 1 to 2 hours depending on the current use of the load being driven We recommend that the operator start the vehicle every hour to recharge the battery system This will prevent unexpected shut dow
2. freely around the unit D SAFE Do not use the inverter near flammable materials or in any location which accumulate flammable fumes or gases such as the battery compartment of your car truck RV or the kitchen 1 This product is not suitable for use while traveling E CONNECTING TO THE POWER SOURCE Your SRX PISOOW comes equipped with a pair of alligatorclips for connection to the power source On the alligator clip one clip is positive and the other is negative See Fig 1 and Fig 2 CAUTION DO NOT USE WITH POSITIVE GROUND ELECTRICAL SYSTEMS CAUTION MAKE SURE THE SRX PI500W IS OFF FIGURE 1 N CAUTION DO NOT REVERSE POSITIVE AND NEGATIVE WIRES FIGURE 1 Loosen the caps on the terminals and slide the lugs between the cap and the abse Tighten FIGURE 2 Open the alligator clips and close them over the appropriate terminals or connector Connect the RED ALLIGATOR CLIP TO THE POSITIVE TERMINAL and the BLACK ALLIGATOR CLIP TO THE NEGATIVE TERMINAL RATED VERSUS ACTUAL USE OF QUIPMENT Most electrical tools appliances and audio vedio equipment have a label indicating power consumption in amps or watts Add up the power consumption in those items you will be using simultaneoudly keeping total below 500 watts If the power consumption is rated in amps multiply by the AC volts 230 to determine the wattage For example a television rated at 0 9amps will use 207 watts well within the limits of what the SRX PI500W can handle
3. on a continuous basis For more information regarding the typical wattage draws of many appliances please refer to the lable on the back of this manual Resistive loads such as incandescent light are the easiest for the inverter to drive though larger resistive loads such as electric atoves or heaters require more power than the SRX PI500W can deliver continuously Inductive loads such as TV s and stereos any device with a coil or a transformer in it require more current to operate than a resistive load of the same power rating Induction motors motors without brushes as well as some televisions may require 2 to 6 times their power rating to start up This condition may require repeated ON OFF ON OFF ON OFF switching of the power switch on your SRX PI500W in order to get them started The most demanding are those start under load i e 2 compressors and pumps Since motor and television characteristics vary widely only experimentation will determine if a specific load can be start and how long it can be run IMPORTANT NOTE The SRX PI500W will not operate most appliances designed to produce heat such as hair dryers coffee makers irons heaters and toasters The current use of most of these exceeds 1000 watts far beyond the capacity of this unit Turned either while engine is running or turned off However the inverter may not operate while the engine is atarting since the battery voltage can drop substantially during cranking
4. POWER INVERTER DC12V TO AC230V 50HZ 500 Watt Installation Manual And Operating Instructions Dear Customer Congratulations Your new SRX PISOOW Power Inverter is one of the most advanced and affordable DC to AC inverters available on the market today This inverter when used as described will give you years of dependable service in your car RV boat or house We have taken numerous measures in quality control and in our manufacturing process to ensure that your product arrives in top condition and that it will perform to your satisfication In the rare event that your Power Inverter contains a damaged or missing item does not perform as specified or requires warranty service do not return your Power Inverter to the store Our technical service representative will expedite delivery of your part If your product needs warranty service our technical service representitive will help you obtain the fastest remedy possible under the warranty Since it is impractical to publicize changes in every product We reserve the right to make such changes without notice or obligation INTRODUCTION To get the most of your SRX PI5OOW proper installation is critical Please read the installation and operating instructions in this manual carefully before installing and using your SRX PI500W Pay special attention to the CAUTION statements in this manual CAUTION Statements identify conditions or practices which could result in damage to your SRX PI500W or
5. ly with the SRX PISOOW HOME OFFICE Toshiba Laptop Computer 80watts APPLIANCE Singer Sewing machine 9A 99 Watts Holmes 100 Watts Worklight 100 Watts CHARGERS Ryobi 7 Volt Cordless drill 8 Watts Makita Cordless drill 35 Watts Motorola Cellular Phone 25 Watts JVC Camcorder 6 Volts 1200mA 23 Watts POWER TOOLS Black and Decker Buffer 0 7A 77 Watts Dremel Motor Tool 0 9A 99 Watts Stanley Glue Gun 20 Watts Weller Solder Gun 1 2A 132 Watts AUDIO VIDEO Hitachi 13 Color TV 72 Watts Quasar 20 TV VCR Combo 220 Watts GE 9 Color TV Cassette Combo 65 Watts Sharp Hi Fi Stereo 4 Head VCR 40 Watts Kenwood CD Charger 60Watts Similar products should have no different with the SRX PI500W Items that produce heat such as hair dryers microwave ovens and portable electric stoves require more power than the SRX PI500W can supply Those are not to be used with the SRX PISOOW IN THE UNLIKELY EVENT m You have an installation problem or m There are any missing parts or m The trouble shooting guide didn t help You can consult an expert who can help you We will do our best to help you In most cases we can solve your problem over the phone TROUBLESHOOTING GUIDE PROBLEM POSSIBLE CAUSES SUGGESTED REMEDY Turn inverter power switch off and on until SRX PISOOW powers your appliance Repeat as necessary until Inverter not adequately warmed up appliance starts Battery voltage is below 10 volts j Charge
6. ns of equipment and will ensure that there is always sufficient battery capacity to start the engine Your SRX PI500W circuitry constantly monitors the following hazardous conditions A Low Battery Voltage This condition is not harmful to the inverter but could damage the power source An audible alarm is sounded when input voltage drops to 10 5 volts The inverter shuts down when input voltage drops to 10 0 volts When the condition is corrected the unit may be restarted B Short Circuit Reverse polarity or short circuit condition of the load will usually result in operating of the short circuit protection Immediately disconnect the shorted load and contact Travel Power Roadmaster for instructions C High Temperature When the temperature of the internal heat sinks reaches 150 degrees F the solid state temperature sensor located in the SRX PI500W will automaticallt shut down the unit Once it is allowed to cool it may be restarted PRODUCT SPECIFICATIONS Max Continuous Power 500Watts Peak Power 1000Watts Optimum Efficiency gt 90 No load Current Draw lt 0 4A Waveform Modified Sine Wave Input Voltage Range 10 15Volts DC Low Battery Alarm 10 5 0 5V DC Low Battery Shutdown 10 0 0 5V DC Alarm and Thermal Shutdown 5545C Overload Protection Restart automatically when load is lt 500W Short Circuit Protection Inline 35 amp fuse Weight 1 3kg Dimensions 215 150 70mm SAMPLE APPLICATION The products listed were operated normal
7. or replace battery Equipment being operated draws too much Reduce load maximum 500 watts ower Unit will not operate p a Inverter must cool down Check for Inverter in thermal shut down condition eee good ventilation Make sure load is Inverter fuse is blown i 7 less than 500 watts continuous Battery in poor condition Have battery operation checked Call roadmaster for instructions on how to return your unit for service Replace battery Low Voltage Alarm On os Check condition of alligator clips Insufficient power or large voltage drop Continuously Clean or replace as necessary True RMS reading meter Using average reading voltmeter Reduce load to continuous 500 watts Low output Voltage Inverter is overloaded to maintain regulation Input voltage below 11 0 volts Keep input voltage above 11 0 volts to maintain regulation Locate the SRX PI500W as far as possible from the television the antenna and the antenna cables Television Interference Snow Picture is breaking up Adjust the orientation of the SRX PI500W the antenna cables and the TV power cord to reduce interference Make sure that the antenna feeding the television provides an adequate snow free signal and that high quality shielded antenna cable is used The power supply in the device does not Buzz or Hum in Audio System is oe Use a sound system that use a higher adequately filter the modified sine wave used uali
8. to other equipment INSTALLATION The power source must provide between 11 and 15 volts DC and must be able to supply sufficient current to operate the load As a rough guide line divide the power consumption of the load in watts by 10 to obtain the current in amperes the power source must be deliver Example Load is rated at 500 watts Power source must be able to deliver 500 divided by 10 50 amperes CAUTION The SRX PISOOW must be connected only to batteries with a normal output voltage of 12 volts The SRX PISOOW will not operate from a 6 volts battery and will be damaged if it is connected to a 24 volts battery PLACEMENT OF THE INVERTER For best operating result the inverter should be placed on a flat surface such as the floor or a seat of the vehicle Approximately 30 of cord have been provided for this purpose The inverter should only be used in locations that meet the following requirements A DRY Keep away from water Do not allow water to drip or splash on the inverter B COOL Amboent air temperature should be between 50 degrees and 80 degrees F Do not place the inverter on or near a heating vent or any piece of equipment which is generating heat above room temperature Do not place the inverter in direct sunlight if avoidable C VENTILATED Allow at least one inch of clearance around the inverter for air flow Do not place anything on or over the inverter during operation Make sure that is allowed to circulate
9. ty power supply produced by the SRX PI500W a ee PRY

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