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3.11.1 Cooling Fan Supply Voltage Selection (400V class)
The inverter input voltage range of the A510 400V class models ranges from 380 to 480Vac. In these
models the cooling fan is directly powered from the power supply. Inverter models A510-4125/ 4150/
4175/ 4215/ 4270/ 4300/ 4375/ 4425 requires the user to select the correct jumper position based on
the inverter input voltage ("440V" is the default position for these models). Please select the correct
position according to the input voltage. If the voltage setting is too low, the cooling fan will not provide
adequate cooling for the inverter resulting in an over-heat error. If the input voltage is greater than
460Vac, select the “460V” position.
(1) 400V： 150HP～215HP
(2) 400V：270HP～425HP
The inverter input voltage range of the A510s 600V class models ranges from 575 to 690Vac.
In these models the cooling fan is directly powered from the power supply. Inverter models
A510s-6175~6270equires the user to select the correct jumper position based on the inverter
input voltage ("690V" is the default position for these models). Please select the correct
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