sinee — Preface

A90 series Inverter User Guide Preface Thank you for purchasing A90 series inverter. Document No. : 31010136 Issue Date:2017-10 Version:100 A90 series inverter of SINEE is a high reliability ,small size inverter that supports: 3-phase AC induction motor and permanent magnet synchronous motor; multiple internationally leading drive control technologies, including vectored V/F control technology (VVF) and sensorless vector control technology (SVC); speed and torque control. A90 is suitable for air compressor, extruder, fan, pump application etc. Main features :

 50 ℃ ambient temperature, full load running;  One of the smallest size series;  Wide speed regulation range and high control precision: VF/1:50, SVC/1:200 and ±0.2% rated speed;  Loading capacity at low frequency: VF/1Hz/150% and SVC/0.25Hz/150%;  Protection function: over-current, over-voltage, overload, overheating and other multiple protection. Please read this guide carefully before using A90 inverter and keep it properly.

Before connecting inverter and a motor for the first time, please select proper motor type (asynchronous motor or synchronous motor) and configure motor nameplate parameters including rated power, rated voltage, rated current, rated frequency, rated rotation speed. Since SINEE is committed to the development and improvement of products and product documents, this guide will be updated without notice. Latest updates and additional information are available at www.sineedrive.com. 1