一、Product Overview
This device is a practical training device specifically designed for refrigeration related majors in vocational colleges. Based on the characteristics of air conditioning and refrigerator maintenance technology in the refrigeration industry, it is designed for the electrical control of air conditioning and refrigerators, as well as the installation and maintenance of refrigeration systems. It strengthens students' comprehensive professional abilities in the installation, electrical wiring, working condition debugging, fault diagnosis and maintenance of air conditioning and refrigerator system pipelines. The device integrates fluid mechanics, thermodynamics, heat transfer, electrical control and other technologies, and is suitable for teaching and training of refrigeration related majors.
二、Technical Parameter
1)Input power supply: single-phase three wire 220V ± 10% 50Hz；
2)Working environment: temperature -10 ℃~40 ℃, relative humidity ≤ 85% (25 ℃), altitude ＜ 4000m；
3)Device capacity: ≤ 1.5kVA；
4)External size: 150cm × 80cm × 140cm；
Safety protection: Equipped with leakage voltage and current protection, safety meets national standards。
三、Practical training projects
1. Air conditioning system pipeline design, assembly, wiring, and debugging project
1）Pipeline design task
Design of air conditioning system pipelines (including determination of pipeline distance, cutting, bending, expanding, expanding, welding, etc.).
2）System assembly task
Install the designed pipeline in a reasonable position of the corresponding components and complete pressure maintenance and leak detection of the air conditioning system.
3）System wiring tasks
Determine the winding of the air conditioning compressor and complete the wiring and connection of the air conditioning system.
4）System debugging tasks
Complete the vacuum pumping, refrigerant filling, electrical debugging, and working condition adjustment of the air conditioning system.
2. Refrigerator system pipeline design, assembly, wiring, and debugging project
1）Pipeline design task
The design of the refrigerator system pipeline (including the determination of pipeline distance, pipe cutting, bending, expansion, expansion, etc.).
2）System assembly task
Install the designed pipeline in a reasonable position of the corresponding components and complete pressure maintenance and leak detection of the refrigerator system.
3）System wiring tasks
Determine the winding of the refrigerator compressor, complete the wiring and connection of the refrigerator system
4）System debugging tasks
Complete the vacuum pumping, refrigerant filling, electrical debugging, and working condition adjustment of the refrigerator system.
