1. Power supply: single-phase three-wire AC 220V±5% 50Hz

2. Capacity: <0 .2kva

3. Technical specification of compressor

A. Rated voltage: AC 220V 50Hz

B. Rated power: 87W

4. Defrosting thermoregulator: off +13.5^oC; on -5^oC

5. Fuse for defrosting thermoregulator: fuses at 76^oC

6. Thermoregulator: range: -35^oC~+15^oC

7. Defrosting electric heater: AC 220V 150W

Lab exercises

1. Fundamentals of refrigerator electrical control wiring

2. Starting and protection of compressor

3. Temperature control and temperature controller

4. Defrosting and defrosting control

5. Fan, illumination circuit

6. Typical circuit analysis of refrigerator

7. Main electrical faults analysis of refrigerator

8. Cognition and performance measurement of refrigerator electrical wiring elements

9. Electrical control circuit wiring and troubleshooting of indirect cooling refrigerator