AY20260417-LA03 Compressor Training System Didactic Equipment Vocational Training Equipment Refrigeration Laboratory Equipment1. 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:
oTwo (2) with brake locks
oTwo (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:
oRange: -50°C to +110°C
oAccuracy: ±0.5°C
oResolution: 0.1°C
oPT100 / NTC sheathed probe (4 pcs)
Fan:
o220V AC
oApprox. 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:
oOLED read/write comparison
oCommand-based verification
Parameter configuration and function testing software
Communication protocols:
oISO-15693
oModBus_TCP
oModBus_RTU
The RFID system shall enable controlled activation of the equipment via authorized card authentication.
8. Standard Accessories
The supply shall include:
1.Dual compound pressure gauge set (for R404A, R407C, R134a, R22)
2.AC clamp meter: Minimum
oAC voltage: 600V
oDC voltage: 600V
oAC current: 600A
oCapacitance: 60000μF
oResistance: 60MΩ
oDiode test function
3.Digital anemometer:
oWind speed: 0.3 ~ 45 m/s
oResolution: 0.001 m/s
oAir temperature range: 0.0 ~ 45°C
oAccuracy: ±2°C
oBacklit LCD
4.Tool kit including:
o2L oxygen cylinder
oFuel gas cylinder
oWelding torch
oToolbox
5.Vacuum pump (1L)
6.R134a refrigerant or equivalent (1 unit)
7.Neon test lamp (12–250V)
8.Experiment manual (1 copy)
9. Functional Capabilities
The system shall support training in:
1.Circuit component inspection
2.PTC start-up training
3.Current-mode start-up training
4.Refrigeration system operation
5.Understanding dehumidifying air-conditioning principles
6.Mollier diagram drawing
7.Refrigeration performance assessment
8.Refrigerant charging and servicing practice
