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Delta AU Series User Manual

Delta AU Series
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7
2 Introduction
With this device you have acquired a solar inverter for connection of photovoltaic systems to the
grid. This solar inverter is characterized by an advanced housing design and state-of-the-art high-
frequency technology, which enable the highest levels of efficiency.
The solar inverter includes series monitoring units, such as anti-islanding protection, display,
RS485 (EIA485) interfaces.
The inverter is usable indoor and outdoor. It fulfills the directives of AS/NZS 5033,AS/NZS 4777,
AS/NZS 4417, AS/NZS 3000 and IEC 62109 for parallel operation of power generation plants on
low-voltage network of regional electrical utility companies.
.
The function of the anti-islanding protection (automatic isolation point for in-plant generation sys-
tems) stipulates compliance with the specifications of AS/NZS 4777 and IEC 62109.2.
In the following technical description, the precise functions are explained to the installer, as well
as the user, which are required for the installation, operational start-up and handling of the solar
inverter.
The inverter not only meets the safety requirements of AS/NZS 5033, but also complies with
the specifications of AS/NZS 4777 for Grid Support Utility Interactive Inverters that support a
more stable utility grid. Delta M TL series were testing to the AS/NZS 4777.2 and AS/NZS 4417
for Regulatory Compliance Mark.
In the following technical description, the precise functions are explained to the installer, as well
as the user, which are required for the installation, operational start-up and handling of the
solar inverter.

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Delta AU Series Specifications

General IconGeneral
SeriesAU Series
CategoryInverter
Cooling MethodForced Air Cooling
Storage Temperature-20°C to +60°C
Input Voltage200-240V
Control MethodV/F Control, Sensorless Vector Control
Protection FeaturesOvervoltage, Undervoltage, Overcurrent, Short Circuit
Communication InterfaceRS485, Modbus
Operating Temperature-10°C to +50°C
Humidity5% to 95% RH (Non-condensing)
AltitudeUp to 1000m

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