Teaching equipment : Refrigeration Demonstration Unit

Refrigeration Demonstration Unit

DESCRIPTION The refrigeration demonstration unit is delivered complete with instrumentation and includes technical and instruction manuals. Industrial design This unit can be used at different levels and in different fields of study. Utilizes refrigerant R 134 a as required by new European standards.

1. Sealed motorcompressor
- Commercial type
- Electric power : 1/8 C
- Refrigerating power : 402 W
- Condensation temperature : + 55°C
- Evaporation temperature : + 5 °C
2. HP manometer compressor exit - condenser entry
3. Fluid state indicator - high pressure steam
4. Air condenser
- Forced convection
- Copper tube and aluminium fins
- Fan electric power : 33 W
5. Fluid state indicator - steam - liquid - high pressure
6. HP manometer - condenser exit - liquid tank entrance
7. Liquid tank
- Vertical, steel, capacity : 0.9 L
8. Valve in service liquid departure valve
9. Dehydrator
- Solid body Ø ¼
10. Fluid state indicator - high pressure liquid

12. Thermostatic expansion valve
- Internal equalisation of pressure
- Interchangeable flow calibration orifice
13. Fluid state indicator - steam - low pressure liquid
14. BP manometer - expansion valve exit - evaporator entry
15. Air evaporator
- Forced convection
- Copper tube and aluminium fins
- 1 fan : global electric power : 30 W
- Refrigerating power : 523 W / ∆T 10°C
- Exchange surface : 2 m2
16. Fluid state indicator - low pressure vapour
17. BP manometer - evaporator exit - aspiring compressor
18. Aspiring valve in service
19. Voltmeter 0 -250 VAC
20. Ammeter 0 -2 A AC
21. Circuit breaker 2 A
22. Temperature indicator and flying probe for measurement at characteristic points