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To calculate the starting load: Starting Load = 2 x
WATTS. In general, the start up load of the appliance
or power tool determines whether your inverter has the
capability to power it.
To calculate the continuous load (same as wattage in the
above formula): Continuous load = AMPS x 110 (AC volt-
age)
Attention: Always run a test to establish whether the
inverter will operate a particular piece of equipment or
appliance.
In the event of a power overload, the inverter is designed
to automatically shut down. This safety feature prevents
damaging the inverter while testing appliances and equip-
ment within the 400-watt range.
If an appliance will not operate properly when rst con-
nected to the inverter, turn the inverter rocker switch ON
(I), OFF (0), and ON (I) again in quick succession. If this
procedure is not successful, it is likely that the PI-400
inverter does not have the required capacity to operate
the appliance in question.
Important: Make sure you connect your inverter to a
12-volt power supply only.
Do not attempt to connect the inverter to any other power
source, including any AC power source.
Do not try extending or otherwise changing the 12-volt
power cord attached to your inverter.