ATENG 12947 — Introduction to Refrigeration Unit
Training unit with interchangeable sets and components mounted on plates.
Rapid connection via hoses for the training of apprentices in refrigeration.
Anodized aluminum frame and panels made of painted steel.
The unit includes wheels to facilitate its mobility.
Main metallic elements in stainless steel.
Diagram in the front panel with similar distribution to the elements in the real unit.
- Hermetic compressor:
- Displacement: 3.4 cmÂł.
- Power: 1/10 CV.
- Accumulator tank to avoid a malfunction of the compressor; Capacity: 1.2 l.
- Liquid separator to prevent liquid from entering the compressor; Capacity: 0.9 l.
- Six stand-alone, ready-to-operate sets, each mounted on a plate:
- Set 1: Evaporator as air-refrigerant heat exchanger and capillary tube:
Finned tube heat exchanger. ATENG 12947 detail
Fan.
Capillary expansion tube.
- Set 2: Evaporator as water-refrigerant heat exchanger and capillary tube:
Nickel-plated copper coil formed by nine spirals of 1/4” diameter, through which the refrigerant circulates. The heat transmission
area is 0.032 m².
- Polypropylene water tank (up to 170 °C) and capacity: 2000 ml.
Capillary expansion tube.
- Set 3: Condenser as air-refrigerant heat exchanger:
Finned tube heat exchanger.
Fan.
- Set 4: Condenser as water-refrigerant heat exchanger:
Nickel-plated copper coil formed by nine spirals of 1/4” diameter, through which the refrigerant circulates. The heat transmission
area is 0.032 m².
- Polypropylene water tank (up to 170 °C) and capacity: 2000 ml.
- Set 5:
- Flow meter. Range: 3 – 17.5 l/h.
Filter for the refrigerant.
Sight glass for the refrigerant.
- Set 6: Double pressure control and manometers:
- Pressure switch activation pressure:
- Low pressure: 0 bar.
- High pressure: 14 bar.
- Two manometers with temperature scale for the refrigerant:
- High pressure manometer. Range: -1 – 30 bar / -60 – 80 °C.
- Low pressure manometer. Range: -1 – 10 bar / -60 – 50 °C.
Connection of the components with flexible hoses.
Enthalpy diagram of R-513a.
This unit has been designed for the use with the refrigerant R-513a, CFC-free, environmental friendly.
Cables and accessories, for normal operation.
