1. Training cabinet: made of iron with high density plastic-sprayed material base frame, aluminum panel, aluminum profile and plastic board frame structure.

2. Direct cooling refrigerator (1)

3. AC voltmeter (1): power supply monitoring.

Measuring range: 0~250V, accuracy level: 1.5

4. AC ammeter (1): observing the system firing current and normal operating current

Measuring range: 0~5A, accuracy level: 1.5

5. Intelligent thermometer (5): PT100 sensor is used for the temperature measurement of freezer, chill room, condenser inlet and outlet.

6. Vacuumatic pressure gauge (2): pressure measurement of system low voltage side, high voltage side and after throttling.

7. Simulated faults set box (1): contained in training cabinet, used for the set of simulated faults. Faults types: power supply circuit, illuminated circuit, compressor protection circuit, etc.

8. Flowchart of direct cooling refrigerator cooling system (1): instrumentation are available.

9. Current leakage protection device (1 set): trips and cut off power supply while the leakage current is over a specified value. Thermal protection device is available for the over thermal/load protection of compressor.

LAB EXERCISES:

Basic skill training of elementary mechanics

1. Operation of special tools

2. Filling soldering of cooling system

3. Pressure test and detection of cooling system

4. Vacuumizing and refrigerant charging

Basic skill training of intermediate mechanics

5. Cognition and measurement of refrigerator elements

6. Connection and running of electronic control circuits of direct cooling refrigerator

7. Commissioning of direct cooling refrigerator system

8. Fault simulation of cooling refrigerator system

9. Maintenance and fault analysis of direct cooling refrigerator

Configuration:

Accessory and connecting wires:

1set

Operating instructions and laboratory manual:

1set