MR092R Split Air Conditioner Trainer Didactic Equipment Educational Laboratory Equipment Refrigeration Trainer 1. Equipment Introduction 1.1 Overview In the contemporary field of technical training, the cultivation of practical skills is of paramount importance. This unit is an advanced piece of equipment specifically designed for educational and professional training purposes. This training bench provides a platform that simulates a real-world industrial environment, enabling learners to gain a deep understanding of the operational mechanisms of reverse-cycle refrigeration systems and to master relevant operation and maintenance skills. The design of this equipment prioritizes both instructional completeness and practical utility. It incorporates every essential component—ranging from an air-cooled hermetic compressor to a forced-air evaporator, a condenser, and a comprehensive array of necessary measurement and control devices—ensuring that students can experience every stage of the process, from refrigerant circulation and heat exchange to system control and fault diagnosis. 1.2 Features Comprehensive Learning Platform: The core design principle of this equipment is to provide a highly integrated learning platform. It consolidates key components of a refrigeration and air conditioning system—including an air-cooled hermetic compressor, a forced-air evaporator, and a condenser—which work in concert to demonstrate a realistic refrigeration cycle system to students. Through this integrated design, students can study the entire system workflow on a single unit, thereby gaining a better understanding of the functions and interdependencies of each individual component. Education-Oriented Design: The equipment’s design fully addresses pedagogical requirements and is accompanied by detailed experiment manuals and operating instructions, enabling students to deepen their understanding through hands-on practice. A transparent, dust-proof cover not only protects the equipment from dust accumulation but also allows students to clearly observe the internal structure of the unit, thereby enhancing the visual intuitiveness of the instruction. This design approach facilitates learning through practice, allowing students to consolidate theoretical knowledge through hands-on operation. Safety First: Safety was the primary consideration during the design of this equipment. The unit is equipped with essential safety features—such as an emergency stop button, leakage protection, and overload protection—to ensure the safety of students while they conduct experimental operations. Furthermore, all electrical components and wiring comply with international safety standards, providing students with a secure and reliable learning environment. Practicality and Durability: The practicality of this equipment is reflected in its design for mobility and durability. The base is fitted with lockable casters, facilitating easy relocation between different classrooms or training venues while allowing the unit to be securely locked in place during use to ensure stability. The workbench surface is constructed from high-strength plastic and stainless steel materials, ensuring both durability and ease of cleaning, making it ideally suited for prolonged educational use. Real-time Data Monitoring and Analysis: To enhance students' experimental analysis capabilities, this unit is equipped with instruments such as a voltmeter, an ammeter, and a digital temperature indicator. These instruments display the system's operational status in real time, enabling students to monitor and analyze system performance and thereby deepen their understanding of refrigeration system operation. This unit is a highly integrated, safe, and user-friendly educational device that provides students with an ideal learning platform, allowing them to gain an in-depth, practical understanding of various aspects of refrigeration and air conditioning technology. Through such hands-on practice, students not only consolidate their theoretical knowledge but also hone their practical operational skills, laying a solid foundation for their future professional careers. 2. Technical parameters 2.1 Basic Technical Parameters Power Supply: Single-phase three-wire AC 220V / 60Hz Working conditions: Temperature: 10℃～+40℃ Relative humidity: <85% (25℃) 2.2 Equipment Physical Dimension Dimension: 860mmX1100mmX1700mm Weight: 300kg 3. Component List and Detailed Descriptions 3.1 Main Assembly No. Name Quantity 1 Electrical Control Module 1 2 Fault Simulation Module 1 3 Indoor Air Conditioning Unit 1 4 Hazardous Gas Alarm Device 1 5 Low-Pressure Switch 1 6 Low-Pressure Gauge 1 7 High-Pressure Switch 1 8 High-Pressure Gauge 1 9 Outdoor Air Conditioning Unit 1 10 Compressor 1 3.2 Electrical Control Module No. Name Quantity 1 Power Switch 1 2 Voltmeter 1 3 Ammeter 1 4 Temperature Display 1 5 Selector Switch 1 6 Circuit Breaker 1 3.3 Fault Simulation Module The left side of the Fault Simulation Module features a schematic diagram of the equipment's electrical system, complete with designated measurement points. On the right side, fault simulation buttons allow for the activation of specific faults; the available faults correspond to the illustrations and table provided below. No. Name Function F1 Low-Pressure Fault Button Simulates a low-pressure fault. F2 High-Pressure Fault Button Simulates a high-pressure fault. F3 Indoor Unit Fan Fault Button Simulates an indoor unit fan fault. F4 Indoor Unit Temperature Sensor Fault Button Simulates an indoor unit temperature sensor fault. F5 Indoor Unit Pipe Temperature Sensor Fault Button Simulates an indoor unit pipe temperature sensor fault. F6 Indoor Swing Motor Fault Button Simulates an indoor swing motor fault. F7 Remote Control Fault Button Simulates a remote control fault. F8 Indoor/Outdoor Unit Connection Fault Button Simulates a connection fault between the indoor and outdoor units. F9 Compressor Fault Button Simulates a compressor fault. F10 Outdoor Unit Fan Fault Button Simulates an outdoor unit fan fault. LED Control Fault Indicator Hide Button Used to hide all fault indicator lights, allowing students to perform fault diagnosis without visual aids, thereby enhancing their practical operational and problem-solving skills. Reset Fault Reset Button Used to reset all simulated fault states, restoring the system to its normal operating condition. Voltage Voltage Measurement Module Button Activates voltage measurement mode, allowing users to measure and observe voltage values at various points within the system. Continuous Resistance Resistance Measurement Mode Button Activates resistance measurement mode, allowing users to measure and observe resistance values at various points within the system. 4. Experiment List Experiment 1: Low-Pressure Fault Experiment 2: High-Pressure Fault Experiment 3: Indoor Unit Fan Fault Experiment 4: Indoor Unit Pipe Temperature Sensor Fault Experiment 5: Indoor Unit Pipe Temperature Sensor Fault Experiment 6: Indoor Unit Swing Motor Fault Experiment 7: Remote Control Fault Experiment 8: Indoor-to-Outdoor Unit Connection Fault Experiment 9: Compressor Fault Experiment 10: Outdoor Unit Fan Fault Experiment 11: Combustible Gas Alarm Device Experiment 12: Voltage and Continuity Measurement
