Air Conditioner Training System

MODEL：BORACS-05

1. Scope of Supply:

Provide, deliver, install, test, commission, and hand over a complete general-purpose air conditioning training system, including: a fully functional air conditioning and humidity control training unit; an integrated refrigeration system; an RS485 data acquisition system; refrigeration monitoring software; instrument control panels; standard accessories and documentation.

The equipment is assembled, piped, and tested at the factory and is ready for immediate laboratory use.

2. Overview:

The general-purpose air conditioning training system is designed for vocational training in the following areas: refrigeration cycle operation; heating, cooling, humidification, and dehumidification processes; electrical control circuits of refrigeration systems; refrigeration performance measurement and analysis; and computer-based data acquisition and monitoring.

The system simulates the complete air conditioning process, including cooling, heating, humidification, and dehumidification stages.

The refrigerant is R134a or an equivalent environmentally friendly refrigerant.

3. Mechanical Structure:

3.1 Workbench Structure:

Rigid aluminum profile and steel frame

Minimum dimensions (approx.): 1500 (L) × 750 (W) × 1650 (H) mm

Equipped with four heavy-duty casters: two with brakes, two without brakes

Complete refrigeration piping and electrical connections installed

Refrigeration circuit diagram and electrical schematic provided

Refrigeration piping color-coded: Red: High pressure; Blue: Low pressure

3.2 Visibility and Monitoring:

Sight glass installed to observe refrigerant status. Clearly labeled components. Silkscreened panel for operating instructions reference.

4. Electrical Requirements:

Power Supply: Single-phase 220V ±10%, 50Hz

Rated Current: 16A (minimum)

Residual Current Circuit Breaker: 16A (minimum)

Key Switch (Self-locking)

Emergency Stop Button (Self-locking)

Overload Protector: 10A (minimum)

Indicator Lights (at least 5)

DC Power Supply: Output Voltage: 24V; Output Current: 3A

5. Refrigeration and Air Handling Components:

The system includes at least:

Hermetic compressor: Power: 1 hp; Voltage: 220V ±10%, single-phase; Refrigerant: R134a or equivalent.

Condenser (with fan): Power supply: 220V AC ±10%

Evaporator (with fan): Power supply: 220V ±10%

Humidification unit: Main humidifier: Dimensions: approx. 300 × 260 × 300 mm; Capacity: 2.3 liters. Secondary humidifier: Capacity: 1 liter

Heater: Single-phase 220V ±10%

Solenoid valve: 220V ±10%; welded connection

Manual valve: Flared threaded connection; Pipe diameter: Φ6 mm (minimum); Quantity: 3

6. Instrumentation and Control:

The system includes:

6.1 Pressure Measurement:

High-pressure gauge: Range: 0–3.8 MPa; Flared threaded connection.

Low Pressure Gauge: Range: 0–1.8 MPa

High and Low Pressure Controller

Pressure Sensor: Range: 0–2 MPa; Output: 4–20 mA (2 units)

6.2 Temperature Measurement:

Digital Temperature Display (4 units): Range: -50°C to +110°C; Accuracy: ±0.5°C; Resolution: 0.1°C; NTC thermistor with protective sleeve

Temperature Controller: Heating Output: AC220V; Cooling Output: AC220V; Humidifying Output: AC220V

6.3 Electrical Monitoring:

Pointer Voltmeter: 0–250V

Pointer Ammeter: 0–10A

Power Supply Monitoring Module (24V)

Analog Input Module (24V)

Fan Speed Controller: Input: 220V; Output: 10–220V Adjustable

7. RS485 Or a standard data acquisition system:

This system includes an integrated RS485 interface. It enables communication between the refrigeration system and a computer.

The system transmits the following parameters to the computer: voltage; current; phase angle; frequency; power; high and low voltage; time.

The system schematic can be viewed on the computer interface.

The system allows data recording and printing via a computer terminal.

8. Refrigeration Monitoring Software:

The scope of supply includes authorized refrigeration monitoring software with the following functions: real-time system parameter display; data recording and storage; graphical system diagram display; printing of recorded data; RS485 communication integration.

This software is compatible with standard Windows PC systems.

9. Functional Characteristics:

The system supports the following laboratory operations: identification and study of air conditioning system components; observation of refrigerant state during the compression cycle; study of heating, cooling, humidification, and dehumidification processes.

Measurement: refrigeration effect; input work; actual and theoretical cycle power; relative cycle power; cooling capacity; equipment efficiency.

Computer-based data acquisition and analysis