Wagan 2403 User Manual

Item no. 2403

8000W Power Inverter

By Wagan Tech

Thank you for purchasing this 8000 Watt DC to AC Power Inverter by

Wagan Tech. With minimal care and proper treatment it will provide years

of reliable service. Carefully read, understand and comply with all

instructions before use. Keep this manual for future reference.

CONTENTS

1. INTRODUCTION

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. Configuring The Battery Bank

4.3. Derating The Battery Bank

4.4. Fusing Requirements 435C

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

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 powe r s 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.

8000W Power Inverter

By Wagan Tech

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

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.

5 (AC voltage)

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

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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.

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

a. ON/OFF Switch.

This switch controls ON/OFF operation of the inverter.

b. OVER HEAT INDICATOR

The Over Temperature LED will turn RED and the inverter will automatically

shut down if the inverter shuts down because of inadequate ventilation or

excessive load. If this occurs, turn OFF the inverter and check that the

ventilation openings are not blocked. Then check that the co n tinuous power

requirement of the appliance load does not exceed 8000 watts. After the shut

down condition is removed, turn on the inverter. When the inverter cools to a safe

temperature, it will automatically restart.

8000W Power Inverter

By Wagan Tech

diagnosis if there are DC power supply problems.

DC voltage reading is the measurement of the voltage between the DC input

terminals of the inverter, not the actual battery voltage. During high wattage

applications the display may show a lower voltage level than the battery because

of the voltage drop that occurs between the input cables and the battery. Th is

voltage drop should not be excessive as this will seriously reduce run time. This

inverter will operate with input voltage ranging from 1 1 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 a generator, solar panel, or AC powered charger, the

battery voltage will be higher than when there is no load on the batteies. This

inverter will shutdown if the input voltage is 15 Volts. It will shut down

automatically if this occurs, however, in some rare cases voltages greater than 15

may cause damage to the inverter. Damage caused by excessive voltage input is

not covered under warranty.

The DC Current Meter indicates the current drawn by the inverter with the present

DC load operating. The current displayed is the sum of currents supplied to all the

DC input terminals. The meter should show minimal current drawn when the

inverter is operating and all AC loads are turned off.

e. Four 115V AC Outlets.

Each outlet will supply l5A (1600 watts) 115V AC maximum, for powering

appliances. Exceeding l5A of continuous power from an outlet may cause damage

to the inverter and cause possible injury.

c. OVER LOAD INDICATOR.

This indicator turns RED as the inverter shuts down. Immediately turn off some

appliances if this occurs. The inverter will automatically restart.

d. BAR GRAPH METERS.

The inverter is equipped with digital bar meters that display DC input voltage and

DC current drawn to indicate system operation. These meters are there to assist

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f. High Wattage AC Outlet

There are three insulated terminals on the front panel of the inverter. These

terminals are for connecting 115 Volt AC devices that require more than 15 amps

to operate. Other uses are for connection to distributed wiring that has multiple

AC outlets. Any wiring that is directly connected must be 6 gage or larger.

Terminal connections from left to right are:

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LEFT MIDDLE RIGHT

GROUND NEUTRAL HOT

g. Ground Terminal.

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

8000W Power Inverter

By Wagan Tech

from accidental short circuits. Cable “boot” insulators are supplied that will cover

the cable 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.

This connection is for connecting to a 6 gage insulated ground wire. Do not

directly connect this ground connection to the Negative DC terminal. This is

described in the installation procedure.

2.2 Rear Panel

a. High-Speed Cooling Fans/ Ventilation Windows

The fans automatically operate when the internal temperature of the inverter

requires

b. Four Positive (+) DC Input Terminals, Four Negative DC (-) Input Terminals.

All Negative (-) and Positive (+) DC terminals should be kept insulated to

cooling. Always allow free air flow – do not bl ock the vents.

protect

Multiple DC terminal sets allow one to four sets of battery cables to be connected

to the inverter. This allows multiple, more readably available flexible cables to be

attached to the inverter.

3.0 POWER INVERTER OUTPUT WAVEFORM

This inverter’s AC output is a Modified Sine Wave (MSW) 115 volts AC. The

comparison of Modified Sine Wave and household sine wave is shown below.

This modified sine wave has a root mean square (RMS) voltage of 115 Volts.

Most ordinary AC voltmeters are calibrated to read “average” voltage and assume

that the AC waveform will be a pure sine wave. These meters will not correctly

read MSW voltage, and will display about 20 to 30 volts too low. Any multi-

meter identified as "TRUE RMS" will accurately read MSW correctly.

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Wagan 2403 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual