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Main Parts
3. Main Parts
3.1 Inverter
3.1.1 Specications of Inverter
Applicable Model AVWT-72-192*
Applicable Power Supply 3 Phase, 208/230V10%, 60Hz
Output Voltage (Maximum) 295-325V
Output Current (Maximum)
Inverter PCB
45A
Fan Controller 7A
Control Method Vector PWM Control
Range Output Frequency
Inverter PCB
7 - 88Hz
Fan Controller 7 - 72Hz
Accuracy of Frequency 0.01Hz
Output / Characteristics
Soft Start Stop 0.125Hz/S, 0.25Hz/S, 0.5Hz/S, 1Hz/S, 3Hz/S (5 Steps)
Protection Function
Excessive High or
Low Voltage for Inverter
In Case of 208/230V
Excessive Low Voltage at a DC Voltage is Lower than 194V
Excessive High Voltage at a DC Voltage is Higher than 423V
Abnormality of Current Sensor
Stoppage at a current of compressor smaller than 1.5A
Cause of Abnormality: Failure of Current Sensor
Failure of Power Integrated Module
Failure of Compressor
Disconnected Wiring
Conditions:
1. Power Voltage AC 208V
2. Non-Loading (Free Output)
(In Case of 208V)
NOTE:
Characteristics are uctuated by the current minimal control.
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