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OVER VOLTAGE PROTECTION - The MAXX 750 SST will automatically shut down

when the input voltage exceeds 15.5 volts DC.
SHORT CIRCUIT PROTECTION - Reverse polarity or a short circuit condition will

usually result in an external or internal fuse being blown. 
OVERLOAD PROTECTION - The inverter will automatically shut down when the

continuous draw exceeds 750 watts. When the overload is removed the inverter

will self-start.
OVER TEMPERATURE PROTECTION - If the temperature inside the MAXX 750 SST

is too high to operate, the unit will automatically shut down. Allow the unit to cool

for at least 15 minutes before restarting after a heat-related shutdown. Unplug

unit while cooling.
LOW BATTERY ALARM - An alarm will sound when the voltage from the battery

drops to 10.6 volts. This is an indication that the battery needs to be recharged.

The user should stop operation of the electronic device at this time, since the

inverter will shut down automatically shortly thereafter, when the battery voltage

drops to 10 volts. Start your engine to recharge the battery.
If the low voltage alarm sounds when the battery is fully charged, follow the steps

for solving lack of output power in the Troubleshooting Guide. The alarm will

sound when the inverter is overloaded, in thermal shutdown, or if there is an

excessive voltage drop between the battery and inverter.

NOTE:

It is normal for the alarm to sound while the unit is being connected to, 

or disconnected from, the power source. This is not indicative of a problem.

7. COMMON PROBLEMS

“BUZZING” SOUND IN AUDIO SYSTEMS:
Some inexpensive stereo systems and “boom boxes” emit a buzzing sound from

their speakers when operated from the MAXX 750 SST power inverter. This occurs

because the power supply in the electronic device does not adequately filter the

modified sine wave produced by the inverter. The only solution to this problem is

to use a higher quality sound system that incorporates a higher quality power

amplified supply.
TELEVISION INTERFERENCE:
The Vector MAXX 750 SST is shielded to minimize interference with TV signals.

However, in some instances, some interference may still be visible, particularly

with weak TV signals. Try the following corrective measures:

• Position the inverter as far as possible from the television, the antenna

and the antenna cables. Use an extension cable, if necessary

• Adjust the orientation of the inverter, the antenna cables and the TV power

cord to minimize interference

• Make sure that the antenna feeding the television provides an adequate

(“snow free”) signal and that high quality, shielded antenna cable is used

10

Summary of Contents for VEC043

Page 1: ...UNDERSTAND ALL CAUTIONS WARNINGS INSTRUCTIONS AND PRODUCT LABELS PLUS YOUR VEHICLE S BATTERY MANUFACTURER GUIDELINES FAILURE TO DO SO COULD RESULT IN INJURY AND OR PROPERTY DAMAGE 4140 SW 28th Way FT...

Page 2: ...connections and ring terminal connections This is not a toy keep away from children CAUTIONS Do not use with positive ground electrical systems the majority of modern automobiles RVs trucks and boats...

Page 3: ...tion 6 4 1 Power source requirements 6 4 2 Connection to power source 6 7 4 3 Connection to load 8 4 4 Placement of inverter 8 5 Operating tips 9 5 1 Rated versus actual current draw of equipment 9 5...

Page 4: ...l voltage ramp up during inverter start up This eliminates failed cold starts under load Second output that momentarily dips in voltage and quickly recovers to allow large motorized loads to start Thi...

Page 5: ...ulky transformers found in less technological ly advanced models The inverter stage uses advanced power MOSFET transistors in a full bridge configuration This ensures excellent overload capability and...

Page 6: ...able to supply the necessary current to operate the load The power source may be a battery or a well regulated DC power supply To obtain a rough estimate of the current in amperes the power source mu...

Page 7: ...t breaker close to the DC power source battery terminal 1 Check to be sure the inverter s power switch is turned off and that no flammable fumes are present 2 Identify the positive and negative DC pow...

Page 8: ...se devices use a separate charger or transformer that is plugged into an AC receptacle The MAXX 750 SST is easily capable of running most charg ers and transformers 4 4 PLACEMENT OF THE INVERTER For b...

Page 9: ...er will not operate high wattage appliances or equipment that produce heat such as hair dryers microwave ovens and toasters 5 2 BATTERY OPERATING TIME With a typical vehicle battery a minimum operatin...

Page 10: ...uide The alarm will sound when the inverter is overloaded in thermal shutdown or if there is an excessive voltage drop between the battery and inverter NOTE It is normal for the alarm to sound while t...

Page 11: ...ive Operate an correct speed incandescent lamp at same time as motor Television radio Snow in picture buzz Keep inverter and interference in speaker antenna distant from each other Use shielded antenn...

Page 12: ...d workmanship for two years from the date of purchase without additional charge The warranty does not extend to subsequent purchasers or users Vector Manufacturing Ltd will not be responsible for any...

Page 13: ...tormfg com for general repair information and charges if applicable STATE LAW RIGHTS This warranty gives you specific legal rights Some states do not allow limitations on how long an implied warranty...

Page 14: ...2004 Vector Manufacturing Ltd FT LAUDERDALE FL 33312 Made in China...

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