Air conditioning refrigeration control training device (export version) | Knowledge of cold and heat technology training equipment

Air conditioning refrigeration control training device (export version) | Knowledge of cold and heat technology training equipment

Air conditioning refrigeration control training device (export version) | Knowledge of cold and heat technology training equipmentIt is a product developed in accordance with the requirements of the Ministry of Education's "Plan for Revitalizing the Curriculum Reform and Textbook Construction of Vocational Education in the 21st Century", based on abilities and employment orientation, closely combined with production reality and the skill requirements of vocational positions, and developed according to the teaching and practical training requirements of vocational education. Suitable teaching and training equipment for refrigeration technology, refrigeration fluid machinery, principles and maintenance of household refrigeration equipment, cold storage and refrigeration technology, and training for refrigeration equipment maintenance workers (primary, intermediate, advanced) in vocational colleges and vocational schools. To cultivate applied talents who master the theoretical knowledge and practical skills of air conditioning and refrigeration technology, and are engaged in the technical upgrading, renovation design, installation, commissioning, maintenance, repair, technical management, and other aspects of air conditioning and refrigeration equipment and systems.

Air conditioning refrigeration control training device (export version) | Knowledge of cold and heat technology training equipmentAlso suitable for technical schools, vocational training schools, vocational education centers, appraisal stations/institutes, refrigeration majors such as "Refrigeration Equipment Maintenance Workers (Junior, Intermediate, Advanced)" and "Principles and Maintenance of Household Refrigeration Equipment" 《Operation, installation, and maintenance of refrigeration and air conditioning units》Courses such as "Small Refrigeration Devices" and "Small Refrigeration and Air Conditioning Devices".

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• characteristic

• The system integrates simulated air conditioning and simulated refrigerator, using real refrigeration units to meet practical teaching needs
• The device is equipped with two systems, one air conditioning system and one direct cooling refrigerator comprehensive system, which can simultaneously meet the requirements for training and operation assessment of air conditioning and refrigerator
• The entire training device integrates the refrigeration system of air conditioning and refrigerator, electrical control system, and fault simulation system. The system is real and complete, with a clear and compact structure
• The training device visually displays the system structure and working principle of the heat pump type split air conditioner, allowing for a clear view of the refrigeration cycle system structure and main components. The system is also equipped with pointer type AC voltmeter, pointer type AC ammeter, digital temperature gauge, vacuum pressure gauge, and signal light, making the real-time working status of the entire heat pump split air conditioner system and refrigerator system clear at a glance; In addition, there is a sight glass in the pipeline to observe the refrigerant status; The high-pressure pipeline is marked in red, while the low-pressure pipeline is marked in blue
• It can simulate fault settings, and students can analyze the possible causes of faults based on the process, determine the scope of fault occurrence, and carry out troubleshooting. Beneficial for conducting skill appraisal and assessment work

• Technical specifications

• Input power supply: single-phase three wire～220V±10% 50Hz
• installed capacity:＜1.2kVA
• Dimensions: 1000mm × 700mm × 1900mm
• Refrigerant type: Air conditioner R22, refrigerator R22
• Safety protection: equipped with leakage voltage and leakage current protection devices, safe in accordance with national standards

• Basic equipment of the device

This training device mainly consists of a power control screen, a training table, a fault box, a testing box, etc.

• 1. Power supply and instrument control panel

The control screen is made of aluminum alloy structure and aluminum panel, providing AC power supply, various testing instruments and training devices for practical training. The specific functions are as follows:

• AC power control unit: single-phase three wire 220V AC power supply, 2 AC voltmeters measuring range 0-250V, used to monitor grid voltage, 2 AC ammeters measuring range 0-10A respectively, used to observe system starting current and monitor system normal working current, leakage protector controls the total power supply of the control panel, and the power supply of the control panel is controlled by a key switch
• Refrigeration system pressure detection unit: Provide 4 vacuum pressure gauges with measurement ranges of -0.1~0.9MPa, -0.1~1.5MPa, and -0.1~3.5MPa, respectively, for measuring the high and low pressure sides of air conditioning and refrigerator systems
• Temperature detection unit: Provide two three and a half digit temperature gauges, which can be switched using band switches to display temperature changes at different points
• One set of current type leakage protection device: When the ground leakage current exceeds a certain value, it will trip and cut off the power supply; Equipped with thermal protection devices to provide overheating and overload protection for the compressor.

• training bench

The training table is made of aluminum alloy double-layer matte dense pattern spray coating structure, waterproof, wear-resistant high-density board,Sturdy structure, beautiful and elegant shape; The desktop is used to install the power control screen and provide a spacious and comfortable workspace. The training table is also equipped with four universal wheels, which are easy to move and fix, and are conducive to the layout of the training room.

• practical training

• fault

Provide multiple fault connection points for simulated air conditioning and simulated refrigerators, and provide common electrical circuit connections for air conditioning and refrigerator to simulate system faults; The types of settings include: power circuit, temperature sensing circuit, drive circuit, compressor protection circuit, indoor fan speed control circuit, etc. Simulate fault switch values for air conditioning and refrigerator, meeting the requirements for multi-point fault setting.

• Fault Description

Simulation fault setting instructions for heat pump type split air conditioner

Refrigeration Training Project

Basic Skills Training for Junior Technicians

• Basic operation of refrigeration system tools
• Welding of refrigeration system pipe fittings
• Leak detection of refrigeration system
• Vacuum pumping and refrigerant charging in refrigeration systems

Intermediate Skills Training (Design, Installation, Debugging, and Maintenance)

• Debugging of air conditioning system
• Debugging of Direct Cooling Refrigerator System
• Debugging of indirect cooling refrigerator system
• Refrigerator refrigeration system malfunction
• Air conditioning refrigeration system malfunction
• Refrigerator detection and fault analysis
• Air conditioning detection and malfunction