SKU: AG-330

Computer Controlled Heat pump+Air conditioning+ refrigeration unit with cycle invertion valve

This heat pump + air conditioning + refrigeration unit, designed , have the aim of introducing the learner into the complexworld of installing heat pumps, as well as the study and calculation of the operating parameters of the unit in relation to the environmental demands (heat, temperature, refrigeration, etc.). This heat pump +air conditioning + refrigeration unit is basically made up of a coolant circuit. All along it, there are three complementary circuits that modify the thermodynamic characteristics that allow the performance study of heat pump. Moreover, the unit has been designed for the study of changes in the refrigerator conditions, water and air, that allow the study of the coolant circuit. In this unit a R134a coolant flows through the circuit and is subject to different changes of state. This unit basically consists of four main groups of elements: -Compressor: it compress the R134a coolant at low pressure andbtemperature, making them rise at the outlet. -Condensers: they consist of two air condensers and two water condensers, which make the heat transfer to the hot side possible.-Expansion valve: it makes pressure drop, keeping enthalpy constant. -Evaporators: they consist of two air evaporators and two water evaporators which make heat absorption from the cold side possible.The unit includes a cycle inversion valve to turn the condensers into evaporators and viceversa.Temperatures and pressures are display by sensors. The power of the compressor and flow rates of the water flows and the refrigerant are also indicated. This Computer Controlled Unit is supplied with Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control and Data Acquisition Software Packages, for controlling the process and all parameters involved in the proces

1.-  Determination of   the  inlet  power,  generated  heat  and performance coefficient. Water as heat source. (Water-water heat pump).

2.- Determination of  the inlet power, generated heat and performance coefficient. Air as heat  source. (Water-air heat pump).

3.- Determination of  the inlet power, generated heat and performance coefficient. Air as heat source. (Air-air heat pump).

4.- Determination of  the inlet power, generated heat and performance coefficient. Water as heat source. (Air- water heat pump).

5.-  Preparation  of  performance curves of  the heat pump with different inlet and outlet temperatures. Water as heat source. (Water-water heat pump).

6.-  Preparation of performance curves of the heat pump at different inlet and outlet temperatures. Air as a heat source. (Water-air heat pump).

7.-  Preparation  of  performance curves of  the heat pump with different inlet and outlet temperatures. Water as heat source. (Air- water heat pump).

8.-  Preparation of the performance  curves of the heat pump with different inlet and outlet temperatures. Air as heat source. (Air-air heat pump).

9.-  Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Water as heat source. (Water- water heat pump).

10.- Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Air as heat source. (Water-air heat pump).

11.- Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Water as heat source. (Air-water heat pump).

12.- Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Air as heat source. (Air-air heat pump).

13.- Preparation of the performance curves of the heat pump based on the properties of the refrigerant and at different condensation and evaporation temperatures. Water as heat source. (Water- water heat pump).

14.- Preparation of the performance curves of the heat pump based on the properties of the refrigerant and at different condensation and evaporation temperatures. Air as heat source. (Water-air heat pump).

15.- Preparation of the performance curves of the heat pump based on the properties of the refrigerant and at different condensation and evaporation temperatures. Water as heat source. (Air-water heat pump).

16.- Preparation of the performance curves of the heat pump based on  the properties of  the refrigerant and  at  different condensation and evaporation temperatures. Air as heat source. (Air- air heat pump).

17.- Practices with cycle inversion.
18.- Sensors calibration.

19.- Energy balance for the different components and for the complete cycle.

20.- Evaluation of the volumetric effectiveness of the compressor at different pressure relations.

21.- To estimate of the total thermotransference coefficient at the condenser and evaporator.

22.- Energy balance at the air evaporator.

23.- To estimate of the exchange heat at the water evaporator and outlet temperature of the water.

24.- Determination of the characteristic parameters of the steam compression cooling.

25.- Characteristic parameters of the steam compression cycle.

26.- Influence of overheating and overcooling during the operating cycle.Other possibilities to be done with this Unit:

27.- Many students view results simultaneously.To view all results in real time in the classroom by means of a projector or an electronic whiteboard.

28.- Open Control, Multicontrol and Real Time Control.This unit allows intrinsically and/or extrinsically to change the span, gains; proportional, integral, derivate parameters; etc, in real time.

29.- The Computer Control System  with SCADA allows a real industrial simulation.

30.- This unit is totally safe as uses  mechanical, electrical and electronic,  and software safety devices.

31.- This unit can be used for doing applied  research.

32.- This unit can be used for giving training courses to Industries even to other Technical Education Institutions.

33.- Control of the AG-330 unit process through the control interface box without the computer.

34.- Visualization of all the sensors values used in the AG-330 unit process.

 


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