CEN-TECH 60703 Owner's Manual page 9

Modified Sine Wave
The Inverter can only power AC appliances which are
compatible with a Modified Sine Wave (non-sinusoidal).
Note: Only multimeters identified as "TRUE RMS" will
read Modified Sine Wave voltage accurately.
Sine
Wave
Modified Sine Wave power is suitable for most
AC devices and power supplies used in electronic
equipment, transformers, and motors.
DC Appliance Compatibility
The Power Pack can power a 12VDC auto,
RV, marine, or other portable item that draws
12 amps or less. The lower the amount of watts
the appliance uses, the longer the Power Pack
can power it before needing to be recharged.
The Power Pack has two 12VDC Outlets. The total
load from both outlets must not exceed 12 amps
or 144 watts. Calculate the total wattage needed
to run the appliances before operation. You do not
need to calculate startup or surge wattages.
Inverter Overload Indicator
The Power Pack is equipped with an Inverter Overload
Indicator Light which will illuminate when the battery
reaches 11.3V, signalling that the battery is low and the
unit will soon shut down to prevent damage to the battery.
Item 60703
Modified
Sine
Wave
(MSW)
For technical questions, please call 1-800-444-3353.
Note: Do not use to power sensitive
devices such as medical equipment.
Some audio equipment may perform poorly if run
on Modified Sine Wave power. Some appliances
can be damaged if used with this Inverter if they
are not compatible with a Modified Sine Wave
unit. Do not use with the following appliances:
• Electronic appliances which
modulate RF (radio frequency).
• Chargers for batteries.
• Metal Halide arc lamps.
• Incompatible speed controllers in fans,
power tools and kitchen appliances.
Note: if you are not sure if your appliance is
compatible with this Modified Sine Wave Power
Pack, check with the appliance manufacturer.
To calculate the size of the load you plan to use
with the Power Pack, use the following formula:
Amps x Volts = Watts
For example, if you have two appliances whose
running amps total 7 amps, you will need 84 watts
of power (7 amps x 12V = 84 Watts) to run the
items. This figure is within the capacity of the unit.
If this happens, disconnect any loads in
use and recharge the Power Pack.
Note: When the battery reaches 9.4V, power
to the Outlets is automatically shut down.
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