pro800w.qxp 4/30/2010 9:00 AM Page 11

INVERTER BASICS

Don’t Push It.

Although your Whistler inverter has the capacity to provide power output (excess current) equal to approximately two times its rated wattage capacity for a very brief period, it is designed to operate equipment and appliances with start up load wattage ratings no higher than its own maximum continuous wattage rating.

For example, the Pro-800W model has a maximum continuous rating of 800 watts. Although this model has the capacity to briefly provide more than its continuous power (that is, excess current), it is designed to operate equipment and appliances with start up load requirements of 800 watts or less.

Consequently, if the start up load rating of your equipment or appliance slightly higher than the maximum continuous rating of the inverter, the inverter will attempt to start loads above the continuous rating.

To determine whether your inverter will operate a particular piece of equipment or appliance, run a test. The inverter is designed to shut down automatically in the event of a power overload. Testing appliances and equipment with start up load ratings comparable to your inverter wattage rating will not damage the inverter.

INVERTER BASICS

If a piece of equipment or an appliance will not operate, first confirm that the inverter has been properly connected to the 12 volt power source (See "Making The Connection"). If all connections have been properly made, turn the inverter rocker switch ON (l), OFF (O) and ON (l) again in quick succession. If this procedure is unsuccessful, it is likely that the inverter does not have the required start up capacity to operate the equipment or appliance in question.

Note:

Most heat generating appliances require start up loads in excess of 1000 watts and the inverter will not operate such appliances as coffee makers, irons, hair dryers or heaters.

The inverter’s USB Port does not support data communications.

USB power is always on and independent of the inverter’s on/off switch.

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Whistler PRO-800W owner manual Inverter Basics