Teaching Equipment Standard Mini Refrigeration System

• Warranty: 1 Year
• Condition: New
• Customized: Customized
• Certification: ISO9001, CE
• Transport Package: Wooden
• Trademark: ZHONGCAI
• Origin: China
• Production Capacity: 500/Year

Product Description

product description
This device is a training device specially developed for refrigeration-related majors in vocational colleges. According to the characteristics of refrigerator maintenance technology in the refrigeration industry, the electrical control of refrigerators and the installation and maintenance of refrigeration systems are designed to strengthen students' understanding Comprehensive professional skills such as installation of air-conditioning refrigerator system pipelines, electrical wiring, working condition debugging, fault diagnosis and maintenance. The device integrates technologies such as fluid mechanics, thermodynamics, heat transfer and electrical control, and integrates refrigeration and air conditioning system installation, refrigerator system installation, refrigeration system electrical wiring, pressure leak detection, vacuuming, refrigerant charging, and operation and debugging. It covers all the steps of refrigeration system maintenance, which can meet the needs of practical training, practical engineering training and vocational skill competition.
1. Technical indicators
   1. Input power: single-phase three-wire AC220V±10% 50Hz
   2. Working environment: temperature -10ºC~-40ºC relative humidity≤85% (25ºC)
   3. Equipment capacity: ≤1.5KVA
   4. Refrigerant: R600
   5. Dimensions (approximately) 780mm×500mm×1250mm
   6. Anti-electric shock protection type I
   7. Safety protection: It has overvoltage, overcurrent, overload, and leakage protection measures, which meet the relevant national standards.
   8. Environmental protection grade Material selection complies with relevant national environmental protection standards

2. Function description
1. The device integrates refrigeration system installation, refrigerator system installation, refrigeration system electrical wiring, pressure leak detection, vacuuming, refrigerant charging, and operation debugging. It includes all the steps of refrigeration system maintenance and can meet the requirements of practical training, The needs of actual engineering training and vocational skills competition.
2. The device adopts a modular design, the electrical control and the refrigeration system are separated independently, and the electrical part is equipped with test points, test terminals and various output connection terminals, which can be used for independent wiring, testing, and long-distance operations.
3. The training platform visually demonstrates the system structure and working principle of the refrigerator. The structure of the refrigeration system and the physical objects of the main components can be clearly seen. The system is also equipped with current flow voltmeter, AC ammeter, pressure gauge, signal indicator, etc., so that the real-time working status of the entire air conditioning system and refrigerator system can be seen at a glance.
 4. Refrigerator cabinet: It is made of plexiglass to show the principle of evaporator directly, and the temperature can reach -5 degrees.
5. Test bench: It is made of aluminum alloy structure, the left side is blue and the decorative board and panel, the whole is blue,
6. The equipment has 4 thermometers, which can measure the main temperature changes of the refrigeration system.
3. Configuration list

Number	Name	QTY	Unit	Note
1	compressor	1	set
2	Capillary	1	set
3	High pressure meter	1	set
6	Low pressure meter	1	set
7	Manual throttling device	1	set
8	Condenser	1	set
9	Evaporator	1	set
10	Electronic temperature controller	1	set
11	Fault switch	1	set
12	Condensing fan	1	set
13	Evaporation fan	1	set

4. Experimental function:
1. Identify various refrigeration components.
2. Carry out various refrigerator refrigeration and system debugging.
3. Demonstration of the principle of air-cooled refrigerator
4. Control experiment of air-cooled refrigerator
5. The principle of the freezer,
6. Electrical wiring operation, master the external wiring methods of various refrigeration systems.
7. Failure identification of the refrigeration system: system failures can be artificially created through the special failure valves in various small refrigeration systems, and fault judgments can be made through failure phenomena, high and low pressure, current and other meter parameters.
8. Refrigerant charging: a special charging valve (or three-way valve) is added to the system. Through the fluorine charging device, the actual operation of discharging the refrigerant and quantitatively charging and refrigerating can be carried out.
9. Vacuum pumping, nitrogen filling, and leak detection: Through the vacuum pump and nitrogen filling device, the system can be vacuumed, and the actual operation of nitrogen filling and pressure test can be carried out. The trainees use leak detection tools to find out the leak points in the system.