ATENG 12776 — Refrigeration Unit with Different Capillary Tubes
Anodized aluminum frame and panels made of painted steel.
Main metallic elements made of stainless steel.
Diagram in the front panel with distribution of the elements similar to the real one.
- Hermetic compressor, power: 3/8 HP.
- Condenser and evaporator with fan, air flow: 980 mÂł/h.
Transparent tubes to observe the coolant change of state.
- Storage vessel to prevent a wrong operation of the compressor, capacity: 0.5 l.
- Additional storage tank for overfill and underfill study, capacity: 0.5 l.
- Expansion devices:
Thermostatic expansion valve.
ATENG 12776 detail
- Three capillary tubes of different lengths: 1.5 m, 3 m, 6 m.
Filter for the working fluid.
Sight glass for the working fluid.
- High pressure switch, range: 8 – 32 bar.
- Low pressure switch, range: 0.7 – 4 bar.
- Liquid separator to prevent liquid from entering the compressor, capacity: 0.73 l.
- Refrigerant flow meter, range: 5 – 60 l/h.
Wattmeter to measure the compressor power.
Four “J” type temperature sensors distributed at key points of the refrigeration cycle.
Five manometers distributed along the circuit to view the pressures in key points.
Enthalpy diagram of R-513a.
This unit has been designed for the use with the refrigerant R-513a, CFC-free, environmental friendly.
- Electronic console:
Metallix box.
Main switch.
Temperature sensors connectors.
Selector for the temperature sensors.
Digital display for the temperature sensors.
Switch for the compressor.
Digital display for the compressor power measurement (Wattmeter).
Switch for the fan of the condenser.
Condenser fan controller.
Switch for the fan of the evaporator.
Evaporator fan controller.
Cables and accessories, for normal operation.
