AF-020121-001 Computerized Air Conditioning Cycle Trainer Didactic Equipment Refrigeration Training Equipment
The training device can now carry out practical hands-on operation on the electrical control lines listed in the textbooks of Primary Maintenance Electric Refrigeration Technology and Intermediate Maintenance Electrical Technology, so that after the students operate the training, the following skills are improved: (1) Familiar with the structure, principle, installation and use of common low-voltage electrical appliances; (2) Understand the use of graphic symbols and text symbols in the circuit diagram, and according to the layout of the real object, (3) Master the use of the professional knowledge learned in the book to independently complete the detection and debugging of the line.
II. Features 1. The training equipment is built around an aluminum profile and a sheet metal frame that includes a silk screen panel with mounting components and a profile substrate for easy installation. The equipment undercarriage is equipped with casters with brake locks. Each system is fully equipped with piping and electrical connections so that it can be run at any time. The parts are clearly laid out and labeled for easy identification, providing a cooling schematic and schematic for the instructional teaching. The refrigeration line is coded in red and blue colors, red for high pressure, blue for low pressure to indicate the state of the refrigerant, and a sight glass to monitor the refrigerant's cooling state at that location. Refrigerant: R22 or equivalent. 2. Components and systems include: (1) Heating unit, cooler and dehumidifying unit. Sight glass, high and low pressure vacuum gauge, high and low voltage controller; (2) Instrument control panel with voltmeter, ammeter, on/off control, circuit breaker with leakage protection device, overload protection device, key start switch, operation indicator, four temperature displays, controller, fan speed controller. All necessary controls and wiring. A schematic of all part labels showing the text and graphics of the cooling circuit. (3) RS485 information acquisition system: it can realize the interaction between the computer and the refrigeration system. The data is transmitted to the computer through the RS485 information acquisition serial port. The transmitted data includes voltage, current, phase angle, frequency, power, high and low pressure, time, etc. Numerical value. It also includes the system schematic diagram, which can be printed through the computer
III. Technology Parameter 1.Power supply: single phase 220V ± 10%, 50Hz, 16A; 2. Test bench size (mm): 1500 (length) × 750 (width) × 1650 (height); 3. Test bench body: movable steel platform with four casters (two with brakes and two without brakes). Sealed compressor Power supply: single phase 220V ± 10% Capacity: 1HP Refrigerant: R22 , 2 Air cooled condenser, Power supply: single phase 220V ± 10% 3 Evaporator Power supply: single phase 220V ± 10% With fan 4 Humidifier device Power supply: single-phase 220V±10% Capacity: 2.3 liters 5 Heater Power supply: single-phase 220V±10%, power: 500W 6 Evaporation box 1 Pc 7 Liquid storage tank Capacity: 1L 1 Pc 8 Manual valve Connection method: Flare threaded connection Connection size: Φ 6 3 Piece 9 Temperature controller and thermistor Power supply: single-phase 220V + 10% Heating control output: AC220V Cooling control output: AC220V Humidification control output: AC220V 10 High pressure gauge Pressure: 0-3.8Mpa Connection mode: trumpet thread connection Connection pipe diameter: Φ 6 11 Low pressure gauge Pressure: 0-1.8Mpa Connection mode: trumpet thread connection Connection pipe diameter: Φ 6 12 Digital Temperature Display and Thermistor Power supply: single-phase 220V + 10% Temperature display range: - 50 +110; Measurement accuracy: +0.5 C Display resolution: 0.1 Celsius; Sensor: NTC, sheath lead 13 Speed regulator Input voltage: 220V Output voltage: 10-220v adjustable 14 High Voltage Controller Low pressure controller Connection mode: trumpet thread connection Connection pipe diameter: Φ 6 15 Observation mirror Welding type 1 Piece 16 Solenoid valve Power supply: single phase 220V ± 10% Connection method: welding 17 Leakage Circuit Breaker Protector Power supply: single phase 220V±10% Current: 16A 18 Pressure transmitter sensor 0-2Mpa,4-20MA 2 Pcs DC power supply Power supply: single-phase 220V±10% Output current: 3A Output voltage: 24V 20. Power monitoring module Power: 24V 1 Pc 21.analogue input module Power: 24V 1 Pc 22 Key switch Self-locking 1 Piece 23 Emergency stop button Self-locking 1 Piece 24 Pointer voltmeter 0~250v 1 Piece 25 Pointer ammeter 0~10A 1 Piece 26 Overload protector 10A 1 Piece 27 Indicator lamp 5 Piece 28 Manual 1 Set 29 Monitoring software Training aims 1. Recognize and study all the components used in the air conditioning system; 2. Study the state of refrigerant in the compression refrigeration cycle; 3. Study heating, cooling, humidification and dehumidification processes;
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