ATD-5953
1000 WATT INVERTER
Welcome.
This ATD product has been carefully engineered and manufactured to give you dependable
operation. Please read this manual thoroughly before operating your new ATD product, as it
contains the information you need to become familiar with its features and obtain the
performance that will bring you continued enjoyment for many years. Please keep this manual
on file for future reference.
About ATD Inverter s.
ATD, an innovator in portable inverter design, has developed a new line of super-efficient power
inverters with the highest surge capability in the industry. These extremely advanced,
microprocessor controlled units run cooler and more reliable than any in their class. Their
superior surge capability allows them to start even the most difficult loads, including color
televisions, TV/VCR combinations, microwaves, refrigeration units, even small air conditioners!
They also have the highest efficiency available (up to 90%)
which translates into longer running time and extended battery life.
Inverters convert low voltage, direct current (DC) to 110-volt alternating current
(AC). Depending on the model and its rated capacity, the inverters draw power
either from standard 12 volt automobile and marine batteries or from portable
high power 12 volt sources.
Getting Started
When you turn on an appliance or a tool that operates using a motor or tubes,
it requires an initial surge of power to start up. This surge of power is referred
to as the "starting load" or "peak load".
Once started, the tool or appliance requires less power to continue to operate.
This is referred to as "continuous load" in terms of power requirements.
You will need to determine how much power your tool or appliance requires to
start up (starting load) and it's continued running power requirements (continuous load).
Power consumption is rated either in wattage (watts), or in amperes (amps),
and this information is usually stamped or printed on most appliances and
equipment. If this information is not indicated on the appliance or equipment,
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check the owner's manual or contact the manufacturer to determine if the
device you are using is compatible with a modified sine wave source.
Multiply: AMPS X 110 (AC voltage) = WATTS
This formula yields a close approximation of the continuous load of your
appliance.
Multiply: WATTS X 2 = Starting Load
This formula yields a close approximation of the starting load of your appliance.
Most often the start up load of the appliance or power tool determines whether
your inverter has the capability to power it.
To determine whether the invert er will operate a p articul ar piece of e quipment or appli ance, run a
test. The inverters are designed to automatically shut down in the event of a power overload.
This protection feature prevents dama ge to the unit while testi ng appliances and equipment with
ratings in the 1000 watt range.
If an appliance in the 1000 watt range will not operate properly when first connected to the
inverter, turn the inverter rocker switch ON(I), OFF(0), and ON(I) again in quick succession. If
this procedure is not successful, it is likely that the inverter does not have the required capacity
to operate the appliance in question.
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Important
z The inverter is designed to operate from a 12-volt power source only. Do
not attempt to connect the inverter to any other power source, including
any AC power source.
z Do not attempt to extend or otherwise modify the 12-volt power cord attached to your
inverter.
z Improper use of your inverter may result in property damage, personal injury or loss of life.
A. ON/OFF Switch. The current flowing from the power source to the inverter is controlled by
this switch. It does not control the current flowing from the inverter to the appliance.
B. Overload LED Indicator Light. If the continuous power draw of the appliance(s) being
operated exceeds 1000 watts, this light will turn Red and the inverter will automatically shut
down. When this occurs turn off the inverter and determine the cause of the over load before
turning the inverter and the appliance back on.
C. Two Standard North American 110V AC Outlets.
D. High-Speed Cooling Fan. When the temperature inside the inverter exceeds the limits of
safe operation condition the Cooling Fan automatically turns on to cool the inverter. When
the temperature has lowered to a safe operating condition, the fan will shut off. The fan is
not designed to run continuously.
E. Power Input Terminal Red = Positive
F. Powe r Input terminal Black = Negative. Deep Cycle (marine) batteries generally have the
highest reserve ratings. They are also capable of withstanding repeated complete drains of
power and recharging. If you do not have a deep cycle battery we recommend that you run
the engine of your vehicle when operating the inverter.
G. Ground Terminal
H. Fuse case: Pull case cover to open the case and exchange fuse if fuse blows.
Selecting A Power Supply.
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When you operate the inverter for long periods of time combined with a high continuous load
demand, the result will be a large power drain from the battery. With this in mind, check the
reserve capacity of the battery you plan to use to power your inverter.
To calculate the approximate power drain on your battery you will want to estimate the reserve
power ("amp/hour") of the battery and the amps the inverter will require, to meet the continuous
load demand of the appliance.
1. When calculating the amp/hour of the battery, find its “reserve minutes" rating. This is
typically is marked on the battery label along with the "Cold Cranking Amps" (CCA) rating. If
you multiply the reserve minutes rating of the battery by 0.3 it will tell you the battery
amp/hour. To estimate the maximum battery power the inverter will require to run a piece of
equipment or appliance, divide its continuous load wattage equipment by 10. An appliance
with a 450 watt continuous load requirement will create a 45 amp draw from the battery
through the inverter (450/1 0=45).
2. Conclusion: The reserve power of a battery with a 150 reserve minutes rating is sufficient to
satisfy the continuous load demand placed on the inverter for a maximum of about one hour .
(45 amps/hour-amp draw = 1 hour).
Note:
z When the inverter will be operating appliances with high continuous load ratings for
extended periods, it is not advisable to power the inverter with the same battery used to
power your car or truck. If the car or truck battery is utilized for an extended period, it is
possible that the battery voltage may be drained to the point where the battery has
insufficient reserve power to start the vehicle.
z It may be advisable to operate the inverter from a bank of batteries of the same type in a
"parallel" configuration. Two such batteries will generate twice the amp/hours of a single
battery; three batteries will generate three times the amp/hours an d so on.
Connection Cable Gauges.
When connecting the inverter to the power source use the thickest wire available, in the shortest
length practical. If the inverter and the battery are positioned within four feet of each other, a
minimum of # 4 gauge wire should be used to make the connections. When the distance
between them is four to six feet, a minimum of #2 gauge wire is required. When separated by
more than six feet, always use # 0 gauge wire. See the last page of this manual for
recommendations.
Connecting Y our inverter.
1. Make sure the ON/OFF rocker switch located on the front panel of the inverter is in the
OFF(0) position.
2. Connect the cables to the power input terminals at the rear of the Inverter. Make sure to
match the negative (Black) terminal on the 12-volt power source first. Then repeat this
procedure with the positive (Red) terminal connecting a wire to the positive terminal of the
12-volt volt power source. Make sure you have a good secure connection, but do not over
tighten these screws.
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Note:
z Loose connections can result in a severe decrea se in voltage, which ma y cause da mage to
the wires and insulation.
z Failure to make a proper connection between the in verter an d the pow er source will result in
reverse polarity. Reverse polarity will blow the internal fuses in the inverter and may cause
permanent damage to the inverter. Damage caused by reverse polarity is not covered under
the warranty.
z Making the connection between the Positive terminals may cause a spark as a result of
current flowing to charge capacitors within the inverter. This is a normal occurrence. Due to
the possibility of sparking, however, it is extremely important that both the inverter and the
12-volt battery be positioned far from any possibl e source of flammable fumes or gases.
Failure to heed this warning could result in fire or explosion.
3. Locate the Ground Lug Terminal at the rear of the inverter. Run a wire from this term inal to a
proper grounding point using the shortest practical length of wire as decribed on the last
page of this manual. You can connect this wire to the chassis of your vehicle or to the
grounding system in your boat. As an alternative when in remote locations the ground wire
can be connected to the earth (one way to accomplish this is to attach it to a metal rod
driven into the ground). Before connecting the ground, make certain that the inverter is
turned off.
Operating the inverter without correctly grounding the unit may result in electrical shock.
4. Turn On (I) the inverter. Make certain that the Over Load LED Indicators are not lit.
5. Turn OFF (0) the inverter. The Over Load and LEDS may briefly "blink". This is normal. The
internal audible alarm may also sound a short "chirp" This is also normal.
6. When you have confirmed that the appliance to be oper ated is turned of f , plug the appli ance
into one of the two 110v AC Outlets on the front panel of the inverter.
7. Turn the inverter on.
8. Turn the appliance on.
Note:
z The audible alarm may make a momentary "chirp" when the inverter is turned OFF(0). This
same alarm may also sound when the inverter is being connected to or disconnected from
the 12-volt power source.
z When using an extension cord from the inverter to the appliance
the extension cord should be no more than 50 feet long. At this
length there should be no measurable decrease in power from the inverter.
Operating a Microwave oven with Your Power Inverter
The power rating used with microwave ovens is the "cooking power" which qualifies as the
power being "delivered" to the food being micro waved. The actual operating power requirement
rating is higher than the cooking power rating. This is usually referenced on the back of the
microwave. If the operating power requirement cannot be found on the back of the microwave,
check the owner's manual or contact th e manufacturer.
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Television and Audio Suggestions
Although these inverters are shielded and filtered to minimize signal interference, some
interference with your television picture may be unavoidable, especially with weak signals.
However, her e are some sugge sti o ns th at may improve reception.
1. First, make sure that television antenna produces a clear signal under normal operating
conditions (i.e., at home plugged into a standard 110V AC wall outlet). Also, ensure that the
antenna cable is properly shielded and of good quality.
2. Change the positions of the inverter, antenna cables and television power cord.
3. Isolate the television, its power cord and antenna cables from the 12-volt power source by
running an extension cord from the inverter to the television set.
4. Coil the television power cord and the input ca bl es running from the 12-volt power source to
the inverter.
5. Attach a "Ferrite Data Line Filter" to the television power cord. More than one filter may be
required. These filters are available at most electronic supply stores.
Note:
z Inexpensive sound systems may emit a "buzzing" sound when operated with the inverter.
This is due to inadequate filters in the sound system. T here is no solution to this problem
short of purchasing a sound system with a higher quality power supply.
Inverter Protection Features.
The RED LED Indicator light will turn on and the inverter will turn itself off automatically when:
1. The power input from the battery drops to 9.5 volts.(When the power input drops to 10.5
volts, an alarm will sound for an extended period).
2. The power input from the battery exceeds 15.5 volts.
3. The continuous draw of the equipment or appliance being operated exceeds 800 watts.
4. The surge draw of the equipment or appliance being operated exceeds 1600 watts.
5. The circuit temperature exceeds 165°F.
Note:
z The inverter is equipped with a cooling fan, which is designed to run for several seconds
upon startup, but will turn off until the temperature reaches 50°C - 60°C (122°-140°F) while
the inverter is operating, at which time it will turn on again to cool the inverter. Automatic
shut down caused by high circuit temperatures will occur when the cooling fan is unable to
maintain a cool enough temperature for safe operatio n of the inverter.
z In the event of automatic shut down or continuous audible alarm, turn the inverter rocker
switch to the OFF(0) position until the source of the problem has been determined and
resolved.
Safety Precautions.
For best results place the power inverter on a reasonably flat surface.
z Keep the inverter dry. Do not expose it to rain or moisture.
DO NOT operate the inverter if the i nverter, device being operated or any other surf aces that
may come in contact with any power source are wet. Water and many other liquids can
conduct electricity, which may lead to serious injury or death.
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z Avoid placing the inverter on or near heating vents, radiators or other sources of heat. Do
not leave the inverter in the passenger compartment of your vehicle. Store in a cool dry
place. Do not place the inverter in direct sunlight. Ideal air temperature should be between
50°F and 80°F.
z In order to properly disperse heat generated while the inverter is in operation, keep it well
ventilated. While in use, maintain several inche s of cl earance around the top and sides of
the inverter.
z Do not use the inverter near flammabl e materi als. Do not pl ace the invert er in area s such as
battery compartments where fumes or gases may accumulate.
How Power Inverters Work.
There are two stages in which a power inverter changes the 12-volt DC (or battery) power into
1 10V AC (household current).
STAGE 1:
The inverter uses a DC-to-DC converter to increase the DC input voltage from the power source
to 145 volts DC.
STAGE 2:
The inverter then converts the high voltage DC into 110V AC (household current), using
advanced MOSFET (Metal-Oxide-Semiconductor Field effect Transistor) transistors in a full
bridge configuration. This design provides all our inverters with the capability to start and run
difficult reactive loads, while providing excellent overload capability The waveform that is
generated by this conversion is a "modified sine wave" as shown in the diagram below.
The modified sine wave produced by our inv erter s h as a root me an squar e (RMS) vol t ag e of 110
volts. The majority of AC voltmeters are calibrated for RMS voltage and assume that the
measured waveform will be a pure sine wave.
Consequently, these meters will not read the RMS modified sine wave voltage correctly and,
when measuring the inverter output, the meters will read about 20 to 30 volts too low. To
accurately measure of the output voltage of the inverter, use a true RMS reading voltmeter such
as a Fluke 87 Fluke 8060A Beckman 4410, Triplet 4200 or any multimeter identified as "True
RMS"
In Review.
z Never attempt to operate the inverter from any power source other than a 12-volt DC volt
battery.
z Always disconnect the inverter when not in use.
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z Always make certain the power cable terminal connections run Negative (-) to Negative (-)
and Positive (+) to Positive (+). Check these connections frequently to make sure they are
remain secure. Use the heaviest gauge wire available to connect the inverter to the power
.
source
z While connecting the inverter to the power source, make certain that the inverter is
positioned far away from any potential source of flammable fumes or gases.
z Always ground the inverter before operating it.
z Make certain the power consumption of the appliance or equipment you wish to operate is
compatible with the capacity of the inverter. Do not exceed 1000 watts.
z When attempting to operate battery chargers, monitor the temperature of the battery
charger for approximately 10 minutes. If the battery charger becomes abnormally warm,
disconnect it from the inverter immediately.
z When operating the inverter with an automobile or marine battery, start the engine every 30
to 60 minutes and let it run for approximately 10 minutes to recharge the battery.
z In the event of a continuous audible alarm or automatic shut down, turn the inverter OFF
immediately. Do not restart the inverter until the source of the problem has been identified
and corrected.
z To avoid battery drain, always disconnect the inverter when not in use.
z Do not expose the inverter to rain or moisture.
z Avoid placing the inverter near sources of heat or in direct sunlight.
z While in use, make sure the inverter is properly ventilated.
z Do not operate the inverter near flammable materials, fu me s or gases.
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Troubleshooting
PROBLEM: Low or No Output Voltage
Reason:
Poor contact with lighter socket or battery clamps
Solution: Unplug and reinsert 12 volt plug or reattach battery clamps.
Reason: Using incorrect type of voltmeter to test output voltage.
Solution: Use true RMS reading meter.
PROBLEM: Red LED Indicator On
Reason:
Battery voltage below 9.5 volts.
Solution: Recharge or replace battery.
Reason: Equipment being operated draws too much power.
Solution: Use a higher capacity inverter or do not use this equipment.
Reason: Inverter is too hot (thermal shut down mode).
Solution: Allow inverter to cool. Check for adequate ventilation.
Reduce the load on the inverter to rated continuous power output.
Reason: Unit may be defective.
Solution: See Warranty and call customer service.
PROBLEM: TV Interference
Reason: Electrical interference from the inverter.
Solution: Add a ferrite data line filter on to the TV power cord.
Refer to TV & Audio section of this manual.
PROBLEM: Low Battery Alarm On All The Time
Reason: Input voltage below 10.5 volts.
Solution: Keep input voltage above 10.5 volts to maintain regulation.
Reason: Poor or weak battery.
Solution: Recharge or Replace battery.
Reason: Inadequate power being delivered to the inverter or excessive volt age drop
Solution: Check condition of cigarette lighter socket. Clean or replace if necessary.
Or check cable clamp connections.
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PROBLEM: TV Does Not Work
Reason: TV does not turn on.
Solution: Try turning the inverter ON/OFF/ON. Contact TV manufacturer for start up
Surge specifications and/or to see if the TV is compatible with a modified
sine wave. A larger inverter may be required.
SPECIFICATION:
Max. Continuous Power............................................................ 1000 Watts
Surge Capability (Peak Power) ................................................... 2000 Watts
No Load Current Draw .................................................................. <0.9A
Waveform ...................................................................Modified Sine Wave
Input Voltage Range ................................................................. DC10-15V
AC Receptacles .............................................. 110V AC 3 prong grounded
Fuse .......................................................................
Dimensions ………………………………………....
Weight…………………………………………………………….………...….….…………… 8Ib
Power Cord Specification:
1pc AWG#8 (Black) With Battery Clamp
1pc AWG#8 (Red) With Battery Clamp
292Wx190Lx72.6Hmm (11.50” x 7.48” x 2.86”)
3 x 40 amp (spade type)
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INVERTER CABLES
200W & 400W COME WITH A CIGARETTE LIGHTER PLUG/CABLE
& CLAMP ON BATTERY CABLES
800W OR GREATER MUST BE HARD WIRED TO BATTERY
*USE THE THICKEST WIRE AVAILABLE IN THE SHORTEST LENGTH PRACTICAL
Wattage 0'-4' Length 5'-10' Length
800W #2 AWG #0 AWG
1000W #0 AWG #2/0 AWG
1500W #0 AWG #2/0 AWG
2000W #2/0 AWG #4/0 AWG
3000W #2/0 AWG #4/0 AWG
6000W #2/0 AWG #4/0 AWG
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