一、Product Overview

This equipment is designed based on textbooks such as "Installation, Operation and Maintenance of Refrigeration and Air Conditioning Devices", "Refrigeration Technology for Cold Storage", and "Automation of Refrigeration and Air Conditioning" for the refrigeration and air conditioning application and maintenance profession. The equipment is equipped with an automated electrical control system for cold storage, air-cooled refrigeration units, small cold storage, etc. It is suitable for vocational colleges, technical colleges, and other vocational colleges for teaching, training, assessment, and appraisal of intermediate, advanced, and technical personnel in refrigeration.

二、Technical Parameter

1)Input power supply: three-phase five wire AC380V ± 10% (50HZ)；

2)Working environment: -10 ℃~40 ℃；

3)Relative humidity: ≤ 90% (25 ℃), altitude<4000m；

4)Device capacity: 3KVA；

5)Refrigeration capacity: 5.3KW；

6)Safety protection: Leakage action current ≤ 30mA, action time ≤ 0.1S；

7)PLC: Mitsubishi FX2n-48MR (with 4AD)；

8)GOT: GT1155-QSBD-C 256 colors；

9)Refrigerant: F22。

三、Practical training projects

1.Electrical control of small cold storage;

2.Setting and maintenance of electrical faults in small cold storage;

3.Startup, operation, debugging, and protection technology for small cold storage refrigeration systems;

4.Automated detection and analysis of operating conditions and parameters for small cold storage;

5.Setting and maintenance of small cold storage system faults;

6.The technical application of PLC programmable controller;

7.Application of configuration technology;

8.GOT communication control technology.