Sears Power Supply 20071495 User Guide

OWNER’S MANUAL  
®
Power Inverter 750  
Converts 12V DC Power to 110V AC  
Household Electrical Power  
Model No.  
200.71495  
CAUTION:  
Read all Safety Rules and Operating Instructions,  
and follow them with each use of this product.  
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.  
00-99-000862/0508  
 
IMPORTANT: CHARGE IMMEDIATELY AFTER PURCHASE  
IMPORTANT: READ AND SAVE THIS SAFETY AND INSTRUCTION MANUAL.  
1.  
IMPORTANT SAFETY INSTRUCTIONS  
Before using your Power Inverter 750, read and understand this Owner’s  
Manual.  
1.1  
1.2  
Keep the inverter well ventilated in order to properly disperse heat gener-  
ated while it is in use. Make sure there are several inches of clearance  
around the top and sides and do not block the slots of the inverter.  
Make sure the inverter is not close to any potential source of flammable  
fumes, gases or clothing.  
1.3  
1.4  
1.5  
Keep the inverter dry.  
DO NOT allow the inverter to come into contact with rain or moisture.  
DO NOT operate the inverter if you, the inverter, the device being operat-  
ed or any other surfaces 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.  
1.6  
1.7  
Do not place the inverter on or near heating vents, radiators or other  
sources of heat.  
Do not place the inverter in direct sunlight. The ideal air temperature for  
operation is between 50° and 80°F.  
1.8  
1.9  
Do not use the inverter near an open engine compartment.  
Only connect the power inverter to a 12-volt battery accessory outlet or  
12-volt battery. Make sure the AC plug and/or USB connection is tight.  
1.10 Do not modify the AC or USB receptacle in any way.  
1.11 Use only 40-amp or 50-amp fuses. (Replaced by certified technician only:  
1-800-SEARS-64.)  
WARNING: Handling the cord on this product or cords associated with  
accessories sold with this product, may expose you to lead, a chemical  
known to the State of California to cause cancer and birth defects or other  
reproductive harm. Wash hands after handling.  
1 •  
 
2.  
POWER INVERTER 750 PRODUCT FEATURES  
1. ON/OFF Button  
2. Digital Display  
3. LED Indicators  
Voltage In  
Voltage Out  
Power Out  
4. Two, 3-prong 110V  
AC Outlets  
5. Positive and Negative  
Connector Knobs (not  
shown)  
6. USP Port (not shown)  
12V Accessory Plug  
Battery Clamps  
3.  
bEFORE USING POWER INVERTER 750  
It is important to know the continuous wattage of the device you plan to  
use with the inverter. The Power Inverter 750 must be used with devices  
drawing 750 watts or less. If the wattage is not marked on the device, an  
estimate can be made by multiplying the AC input current (Amps) by the  
AC voltage (110V).  
Devices like TVs, fans and electric motors require additional power to start  
(commonly known as the “starting or peak power”). The Power Inverter  
750 can supply a momentary surge in wattage; however even devices  
rated less than the maximum 750 watts can exceed the inverters surge  
capability and cause an automatic overload shutdown.  
Make sure the device you are using is compatible with a modified sine  
wave inverter.  
2 •  
 
4.  
CONNECTING CAbLE ASSEMbLY  
Determine whether you’ll be using the battery clamps (750 watt out-  
put maximum) or accessory plug (120 watt output maximum).  
4.1  
4.2  
4.3  
Make sure that there is no device plugged into inverter before making con-  
nection.  
Unscrew the positive (red) and negative (black) plastic connector knobs  
from the studs on the back of the inverter.  
Slip the red (positive) ring terminal of the 12V accessory plug over the red  
(positive) stud. Screw on the connector knob and tighten securely. Repeat  
the same process for the black ring terminal.  
4.4  
Accessory Plug: Push the 12V accessory plug firmly into a 12V acces-  
sory outlet.  
battery Clamps: Connect the red (positive) battery clamp to the posi-  
tive (+) battery terminal. Connect the black (negative) battery clamp to  
the negative (-) battery terminal, taking care to shield eyes, clothing and  
hands from battery acid.  
5.  
USING INVERTER  
Determine the wattage of device being used. The Power inverter 750  
must be used with devices drawing 750 watts or less when being  
used with the battery Clamps and 120 watts or less when using the  
Accessory Plug.  
5.1  
5.2  
5.3  
Plug the device to be operated into either the AC outlet of the inverter or  
USB connector. NOTE: If using more than one device, the total combined  
wattage of both devices must not exceed 750 watts.  
Press and hold the ON/OFF button to turn the inverter ON. The VOLT-  
AGE IN indicator will glow and the digital display will show the DC input  
voltage.  
Turn the device ON. To show AC VOLTAGE OUT, press the ON/OFF  
button once. Press the ON/OFF button once again to show total wattage  
used by the device (POWER OUT). NOTE: If there is a short circuit or  
power surge in the device, SC will display and an alarm will sound. Press  
the ON/OFF button to turn off the alarm. If the SC displays after several  
attempts, there is a short circuit or the device requires more surge power  
than the inverter is capable of providing.  
5.4  
TO DISCONNECT THE INVERTER:  
Turn device OFF  
Press and hold the ON/OFF button to turn the inverter OFF  
Unplug the device from inverter  
If using the Accessory Plug, unplug inverter from 12V DC accessory  
outlet. If using the battery Clamps, unclamp inverter from 12V battery.  
3 •  
 
6.  
DISPLAYS  
6.1  
LED Indicators  
The LED indicators identify the operating status of the inverter.  
VOLTAGE IN: DC voltage of the battery, vehicle electrical system or  
power supply.  
VOLTAGE OUT: AC voltage supplied to device through the outlets.  
POWER OUT: AC power (wattage) supplied to device through the outlets.  
Digital Display  
6.2  
The values of the corresponding LED indicators will be shown in the digital  
display.  
VOLTAGE IN  
VOLTAGE OUT  
POWER OUT  
120  
If a problem develops during use, an audio alarm will sound, and one of  
the codes shown below will display. To stop the alarm, press the ON/OFF  
button.  
BaD – Inverter is not functional. Call Customer Service to trouble shoot  
problem, anywhere in the U.S.A.  
7 am to 4:30 pm Central Time, Monday through Friday, 1-800-SEARS-64  
(1-800-732-7764).  
HIb – Vehicle’s battery voltage is more than 15.5 volts. Inverter will auto-  
matically restart after the voltage drops below 15.0 volts.  
H IP – The continuous load demand from the device exceeds 750 watts.  
HoT – Inverter is overheated and automatically turns off for a period of  
1–3 minutes to cool. Make sure inverter is well ventilated. It will automati-  
cally restart after it cools.  
Lob – Vehicle’s battery voltage is less than 10.5 volts.  
SC– Short circuit, power surge or overload in the device.  
4 •  
 
7.  
OPERATING TIPS  
A typical automobile or marine battery at full charge will provide an ample  
power supply for the inverter. The actual length of time the inverter can be  
operated depends on the age and condition of the battery and the amount  
of power being drawn by the devices.  
To extend operating time when using power from a car that’s not running,  
turn OFF the device before starting the engine. Then run the engine peri-  
odically for approximately 10 minutes to recharge the battery.  
Unplug the inverter when not in use to avoid battery drain.  
A “buzzing” sound emitted from inexpensive sound systems is the result of  
ineffective filters in the sound system.  
Device Type  
Cell Phones, MP3 Players  
Portable CD Players  
Laptop Computers  
Video Games  
Estimated Wattage  
10 watts  
50 watts  
90 watts  
100 watts  
300 watts  
375 watts  
525 watts  
TVs  
Power Tools  
Small Appliances  
8.  
SPECIFICATIONS  
Maximum Continuous Power  
Surge Capacity (Output Wattage)  
No Load Current Draw  
Wave Form  
750 Watts  
1500 Watts  
<0.6 Amps  
Modified Sine Wave  
10.5 - 15.5V DC  
10.7V - 11.3V DC  
110V - 125V AC  
Input Voltage Range  
Low Battery Alarm  
Output Voltage  
Low Battery Shutdown  
High Battery Shutdown  
Optimum Efficiency  
Dimensions  
10.2V - 10.8V DC  
15V - 16V DC  
>85%  
8.5”L x 4”W x 2.2”H  
Approximately 3.5 lbs.  
Two, 110V AC 3-Prong  
Two, 50 Amp or 40 Amp (spade type)  
Weight  
AC Outlets  
Fuse  
5 •  
 
9.  
TROUbLESHOOTING  
PRObLEM: ALARM IS ON  
REASON  
SOLUTION  
Display shows SC. Device has a short Cycle inverter power OFF and ON.  
circuit or demands too much surge  
power.  
If problem persists, use a larger inverter  
or a smaller device  
Remove defective device.  
Call 1-800-SEARS-64 (1-800-732-7764)  
for troubleshooting assistance.  
Display shows Lob. 12 Volt battery is Recharge/replace low battery.  
too low.  
Display shows Voltage in between  
10.5 and 11.0 Volts.  
12 Volt battery is low.  
Recharge/replace low battery.  
Inverter will automatically shut off after  
battery voltage reaches 10.5 volts.  
Display shows Hi b. DC Voltage in is  
too high.  
If in a vehicle, repair/replace the alterna-  
tor or charging system.  
Use a properly sized and rated 12 Volt  
battery.  
If input voltage returns to 15 volts or less,  
the inverter will automatically restart.  
Display shows Hi P. Device demands  
more than 750 Watts continuous  
power.  
Cycle inverter power OFF and ON.  
If problem persists, use a larger inverter  
or a smaller device.  
Display shows HoT. Inverter is too hot. Increase ventilation to inverter.  
Move inverter to a cooler area.  
Reduce the power consumption of the  
device.  
Inverter will automatically reset after  
cooling.  
PRObLEM: INVERTER DOES NOT TURN ON  
REASON  
SOLUTION  
Poor contact at terminals.  
Unplug and reinsert Power Inverter 750.  
Fuse is blown.  
A blown fuse is usually caused by re-  
verse polarity or a short circuit within the  
inverter. The fuse is not user replaceable.  
Inverter may be defective.  
Call 1-800-SEARS-64 (1-800-732-7764)  
for troubleshooting assistance.  
6 •  
 
10. WARRANTY  
One-Year Full Warranty on DieHard Power Inverter 750  
If this Power Inverter 750 fails due to a defect in material or workmanship  
within one year from the date of purchase, RETURN IT TO ANY SEARS  
STORE or OTHER DIEHARD OUTLET IN THE UNITED STATES FOR  
FREE REPLACEMENT.  
This warranty gives you specific legal rights, and you may also have other  
rights which vary from state to state  
Sears, Roebuck and Co., Hoffman Estates, IL 60179  
For information about troubleshooting, call toll-free from anywhere in the  
U.S.A. 7 am to 4:30 pm CT Monday through Friday.  
1-800-SEARS-64 (1-800-732-7764).  
7 •  
 
8 •  
 

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