INVERTER INFORMATION
Don’t Push It.
Although your Whistler power 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 1200 model has a maximum continuous rating of 1200 watts. Although this model has the capacity to briefly provide up to 2400 watts of power (that is, excess current), it is designed to operate equipment and appliances with start up load requirements of 1200 watts or less.
Consequently, if the start up load rating of your equipment or appliance is the same or approximately the same as the maximum continuous rating of the inverter, the inverter will attempt to start loads above the continuous rating.
Some refrigerators, freezers, pumps and other similar equipment and appliances require very high start up loads to operate. Before attempting to power up this type of equipment or appliance, make especially certain that all connections have been properly made and that the power source is fully charged.
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
INVERTER INFORMATION
start up load ratings comparable to your inverter wattage rating will not damage it.
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 or your battery supply isn’t large enough to operate the equipment or appliance in question.
Selecting the Optimum Power Source.
Operating the inverter for extended periods combined with a high continuous load demand may result in excessive power drain from the battery. Therefore, the reserve capacity of the battery you select to power the inverter is an important consideration.
The potential power drain can be estimated by calculating the reserve power ("amp/hour") of the battery and the amps required by the inverter to meet the continuous load demand of the equipment or appliance being operated.
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