Compressor Training System Vocational Training Equipment Teaching Model Refrigeration Training Equipment

1. Scope of Supply:
The Contractor shall supply, deliver, install, test, commission, and hand over complete Compressor Training System, including:
Fully operational refrigeration/dehumidifier training unit
Integrated instrumentation and control panel
RFID power management system
Standard accessories and tools
Documentation and experiment manuals
The system shall be complete, factory-assembled, tested, and ready for instructional use.
2. General Description:
The Compressor Training System shall be a fully operational refrigeration and dehumidification training unit designed to:
Simulate dehumidifier workflow
Demonstrate refrigeration cycle operation
Enable compressor start-up training
Facilitate refrigerant charging practice
Support performance evaluation and Mollier diagram plotting
The system shall include condenser and evaporator fan coil units arranged to simulate an air dehumidification process.
Refrigerant shall be R134a or equivalent environmentally acceptable refrigerant.
3. Mechanical Construction:
3.1 Training Bench Structure:
Constructed from aluminum profile and sheet-metal frame
Approximate Minimum Dimensions: 700 (W) × 1000 (L) × 1500 (H) mm
Mounted on four (4) heavy-duty casters:
Two (2) with brake locks
Two (2) without brakes
Fully piped and electrically connected
All components clearly labeled
3.2 Demonstration Panel:
Printed refrigeration circuit diagram
Electrical diagram with test points
Color-coded refrigeration piping (red/blue)
Embedded high- and low-pressure gauges
Transparent sight glass for refrigerant monitoring
4. Electrical Requirements:
Power Supply: Single-phase 220V ±10%, 50Hz
Rated Current: 16A (Minimum)
Leakage Circuit Breaker 16A (Minimum)
Key switch (self-locking type)
Emergency stop button (self-locking type)
Overload protector 5A (Minimum)
Indicator lights (minimum 5 pcs)
Safety plug connections for all components

5. Refrigeration System Components:
The system shall include, as a minimum:
5.1 Compressor:
Motor Power: 1/3 HP
Voltage: 220V AC, 50Hz
Compatible with R134a or equivalent environmentally acceptable refrigerant.
5.2 Condenser (Fan Coil Type):
Refrigerant ports: Minimum 1/4" inlet and outlet
Integrated installation with evaporator
5.3    Evaporator (Fan Coil Type):
Refrigerant ports: Minimum 1/4" inlet and outlet
5.4    Throttling Device:
Capillary tube type.
5.5    Filter-Drier:
Minimum 1/4" service ports
5.6    Service Valve:
Low-pressure service port: Minimum 1/4"
5.7 Manual Valves:
Flare-threaded connection
Minimum 1/4" pipe diameter (2 pcs)
5.8 Sight Glass:
Welded type.
6. Instrumentation and Measurement:
The system shall be equipped with:
Low-pressure gauge (-30 ~ 260 psi / -0.1 ~ 1.8 MPa)
High-pressure gauge (-30 ~ 550 psi / -0.1 ~ 3.8 MPa)
Analog voltmeter (0–250V)
Analog ammeter (0–10A)
Digital temperature display:
Range: -50°C to +110°C
Accuracy: ±0.5°C
Resolution: 0.1°C
PT100 / NTC sheathed probe (4 pcs)
Fan:
220V AC
Approx. 120 × 120 mm
All instruments shall be permanently mounted and clearly labeled.
7. RFID Power Management System (Mandatory Requirement):
The equipment shall include an integrated RFID-based power control system with the following minimum specifications:
Operating frequency: 13.56 MHz high frequency
Communication interface: RS485 or standard
OLED display for RFID card number, data, and error codes
Customizable display settings via software
Audible status prompts
LED indicators
Data Verification Capability:
OLED read/write comparison
Command-based verification
Parameter configuration and function testing software
Communication Protocols:
ISO-15693
ModBus_TCP
ModBus_RTU
The RFID system shall enable controlled activation of the equipment via authorized card authentication.
8. Standard Accessories:
The supply shall include:
2. Dual compound pressure gauge set (for R404A, R407C, R134a, R22)
3. AC clamp meter: Minimum
AC voltage: 600V
DC voltage: 600V
AC current: 600A
Capacitance: 60000μF
Resistance: 60MΩ
Diode test function
4. Digital anemometer:
Wind speed: 0.3 ~ 45 m/s
Resolution: 0.001 m/s
Air temperature range: 0.0 ~ 45°C
Accuracy: ±2°C
Backlit LCD
5. Tool kit including:
2L oxygen cylinder
Fuel gas cylinder
Welding torch
Toolbox
6. Vacuum pump (1L)
7. R134a refrigerant or equivalent (1 unit)
8. Neon test lamp (12–250V)
9. Experiment manual (1 copy)
9. Functional Capabilities:
The system shall support training in:
9.1Circuit component inspection
9.2PTC start-up training
9.3Current-mode start-up training
9.4Refrigeration system operation
9.5Understanding dehumidifying air-conditioning principles
9.6Mollier diagram drawing
9.7Refrigeration performance assessment
Refrigerant charging and servicing practice