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USER’S MANUAL — Please read before using this equipment. 

 

 

© 2007 Wagan Corporation. 

All Rights Reserved. 

Wagan and Wagan.com are trademarks used by Wagan Corporation. 

 

8000W Power Inverter 

By Wagan Tech 

1. INTRODUCTION 

1.1 About this Inverter.  

This power inverter converts 12 volts, direct current (12VDC) to 115 volts 
alternating household current (115VAC).  It easily powers TV/VCR

 

combinations, microwave ovens, refrigerators, even air conditioners! It also 
operates at highest efficiency (up to 90%) which results in longer running time 
and extended battery life compared to other inverters with this power. 

This inverter has the highest surge capability in its class.  Superior surge 
capability allows the inverter to start the most difficult motorized loads. 
Advanced, microprocessor-controlled circuits run cooler and, therefore, are more 
reliable than competing units.  

1.2 General Instructions:  

 

Keep the Inverter away from any direct heat source or combustible 
materials.  

 

Keep well ventilated – this device generates heat. 

 

Keep the inverter away from combustible gases. 

 

Do not operate any equipment over 8000 Watts.  

 

This inverter will only operate from a 12- Volt DC power source.  

 

Do not attempt to connect the inverter to any other power source, including 
any AC power source.  

 

Incorrect battery polarity will damage the inverter and void the warranty. 

 

Keep this inverter in a dry environment. 

 

Do not open the inverter; there are no user serviceable parts inside. 

1.3 Load Considerations 

When a motorized appliance motor starts, it requires an initial surge of power. 
This surge of power is called the "starting load" or "peak load". Once started, the 
appliance requires less power to continue to operate. This is known as the 
"continuous load".  It is important to know the starting loads and the continuous 
loads of the appliances that are to be

 

powered by the inverter.

  

 

 

www.wagan.com 

Appliance power is rated in watts. This information is usually stamped or printed 
on most appliances and equipment. In some cases, a tool will be rated in amperes. 
To convert from amps to watts, multiply: AMPS X 

11 

5 (AC voltage) = 

WATTS.  This formula yields an approximation of the continuous wattage load of 
the appliance.  

The start up load of an appliance is a major factor of whether this inverter can 
power it. Start-up load is momentary. With many devices, it is approximately 
twice the continuous load. However, with some devices start-up load can be as 
high as eight times the continuous load. To determine if an appliance or tool will 
operate with this inverter, run a test. This inverter is designed to automatically 
shut down in the event of an output overload, so there is no danger of damaging 
either the inverter or the equipment.  

This inverter may not properly operate some devices with either speed control 
features or dimmer controls. Some appliance GFCI power cords will not operate 
properly while powered by this inverter. Again, the only way to be sure of proper 
operation, is to try it. 

If an appliance within the 8000 watt range will not operate properly, it is likely 
that the inverter system does not have the required output to operate that 
appliance.  

SAFETY WARNING

 

THE INVERTER OUTPUT CAN BE LETHAL. IMPROPER USE OF THIS 
INVERTER MAY RESULT IN PROPERTY DAMAGE, PERSONAL INJURY 
OR LOSS OF LIFE.  

2. CONTROLS, INDICATORS AND CONNECTIONS 

2.1 Front Panel  

The Front Panel view shows the inverter’s On/OFF Switch, indicators, AC outlets 
and direct wiring high current terminals. 

Summary of Contents for 2403

Page 1: ... 1 1 About This Inverter 1 2 General Instructions 1 3 Load Considerations 2 CONTROLS INDICATORS AND CONNECTIONS 2 1 Front Panel 2 2 Rear Panel 3 OUTPUT WAVEFORM 4 PLANNING THE INVERTER SYSTEM 4 1 Determining The Maximum Appliance Wattage 4 2 Gene ral I nfo rmation 5 2 Installation Procedure 6 CHARGING THE BATTERY BANK 6 1 General Information 6 2 Regular Loss Of Commercial Power 6 3 Aboard a Vessel...

Page 2: ...ed the appliance requires less power to continue to operate This is known as the continuous load It is important to know the starting loads and the continuous loads of the appliances that are to be powered by the inverter www wagan com 4 Appliance power is rated in watts This information is usually stamped or printed on most appliances and equipment In some cases a tool will be rated in amperes To...

Page 3: ...input cables and the battery This voltage drop should not be excessive as this will seriously reduce run time This inverter will operate with input voltage ranging from 11 to 15 Volts of direct current DC If the inverter input voltage level falls below 10 5 Volts DC an audible alarm will sound Should the voltage drop below 10 Volts DC the inverter will automatically shut down During charging from ...

Page 4: ...ble and terminal If any positive DC terminals are not used they should also be kept covered All Positive DC terminals are connected together inside the inverter All Negative DC terminals are connected together inside the inverter and connected to the chassis It does not matter which Positive DC terminals are used Similarly any negative DC terminal can be used Multiple DC terminal sets allow one to...

Page 5: ...nd charging systems Some background Large microwave oven specifications list cooking power watts and appliance power Appliance power is the AC load the inverter has to supply Most other electrical tools appliances and audio video equipment have labels that list the unit s power requirements in watts If the tool or device is rated in amps multiply the amps by 115 115 VAC to determine the watts For ...

Page 6: ...capacities may be required to make sure the large enough battery capacity is available to achieve the desired run time The curve can be applied to any lead acid battery under load providing that it has an AH rating at the 20 hour rate Derating Curve Lead Acid Batteries L 8000W Power Inverter By Wagan Tech www wagan com 12 Continuing with the example above The 150 amp load will need to run for 10 h...

Page 7: ...to the battery bank s Pos terminal EXPLODING BATTERIES CAN SPRAY MOLTEN LEAD HOT SULFURIC ACID AND OTHER METAL AND PLASTIC FRAGMENTS BATTERIES THAT ARE CHARGING OR UNDER HIGH DISCHARGE RATES PRODUCE EXPLOSIVE HYDROGEN GAS INTO THE SURROUNDING AREA BE SAFE FUSE THE BATTERY BANK AND MAKE SURE THE BATTERIES ARE PROPERLY VENTILATED 2 Install the fuses in the Pos cable 3 Make sure the ON OFF switch loc...

Page 8: ...ing this equipment 2007 Wagan Corporation All Rights Reserved Wagan and Wagan com are trademarks used by Wagan Corporation 15 8000W Power Inverter By Wagan Tech www wagan com 16 5 Locate the cable terminal insulating boots Slide the boot ...

Page 9: ...iven alternators can usually be replaced with one that can continuously deliver higher amperage This should be done at the outset Keep the batteries charging when the vessel or vehicle engine is operating In the case of a vessel make sure that shore power is used to recharge the batteries whenever possible 8 OPERATING ISSUES TV AND AUDIO Although all inverters are shielded and filtered to minimize...

Page 10: ... sine wave 8000W Power Inverter By Wagan Tech www wagan com 20 10 SPECIFICATIONS Name Description Input 12V 10 15V DC Output 115V AC Output waveform Modified Sine Wave MSW Continuous power 8000 Watt Surge power 16000 Watt Efficiency Approx 90 Power Switch ON OFF Control No load current Switch ON Switch OFF 2 5 ADC 0 3 ADC Battery low alarm 10 5 0 5 V DC Battery low shutdown 10 0 5 V DC AC output s...

Page 11: ...GISTRATION FORM WAGAN Corp Limited Warranty Registration Form All WAGAN Corporation products are warranted to the original purchaser of this product Warranty Duration This product is warranted to the original purchaser for a period of one 1 Year from the original purchase date to be free of defects in material and workmanship WAGAN Corporation disclaims any liability for con ...

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