Ningbo Gexing YVF2 Series Variable Frequency Three-Phase Asynchronous Motor Service Manual

The YVF2 series variable-frequency speed three-phase asynchronous motor has the advantages of low noise, low vibration, wide speed range, reliable operation, and convenient maintenance. It can be used with domestic and foreign variable-frequency devices to save energy and realize automatic control.


Ningbo Gexing YVF2 Series Variable Frequency Three-Phase Asynchronous Motor Service Manual - cover page
Brand
YVF2
Category
Motor
Document type
Service Manual
Language
Chinese
Pages
7
File format
PDF
File size
357 KB
Published
12 March, 2012
Updated
30 September, 2023
MD5 checksum
E5D86ACE8241400EFDF39EC81221FAFA

About this manual

The YVF2 series variable‑frequency three‑phase asynchronous motor is designed for low noise, low vibration and wide speed range operation. It can be paired with domestic and foreign frequency converters to achieve energy‑saving control and automatic regulation.

This manual provides product overview, arrival inspection, handling, storage, operating environment, technical parameters, installation procedures, electrical and mechanical mounting, routine maintenance, fault diagnosis, warranty information and accessory guidance. This manual is written in Chinese.

What's inside

  • Product Overview
  • Arrival Inspection
  • Handling and Storage
  • Operating Environment Conditions
  • Technical Parameters
  • Installation Checks and Electrical Wiring
  • Mechanical Installation
  • Routine Maintenance
  • Fault Diagnosis and Troubleshooting
  • Warranty and Product Inquiry

Specifications

Rated Voltage380 V (220 V optional)
Frequency Range5 Hz – 100 Hz (or 6 Hz – 120 Hz)
Starting Torque RatioUp to 1.25 × rated torque at low speed
Insulation Resistance (minimum)> 2 MΩ
Phase Resistance Imbalance< 5 %
Operating Temperature-15 °C – 40 °C
Relative Humidity (storage)5 % – 80 %
Warranty Period1 year (max 24 months from production date)

Frequently asked questions

What insulation resistance is required before using the motor?

The insulation resistance must be greater than 2 MΩ.

How close must the three‑phase resistance values be?

The phase‑resistance imbalance rate must be less than 5 %.

What temperature range is allowed for storage?

Store the motor at temperatures between –15 °C and 40 °C.

How long is the warranty for the YVF2 series motor?

The warranty is one year, but not longer than 24 months from the date on the nameplate.

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