Mobile training stand heat pump
High-quality mobile heat pump model with plate heat exchangers

Item No.: 101963

Discover our stand model for easy communication of the functional principle and components of a heat pump system. With it, the stations in the refrigeration circuit - evaporation, compression, condensation and expansion - can be clearly demonstrated. It also includes the relevant components of a real heat pump system in the building, such as the receiver, filter dryer and pressostat.

Advantages of the floor model

  • The floor model is flexible and mobile, on a mobile frame with lockable castors (diameter 125 mm), and has a larger and more stable design than the table model (art. no. 101961) and the compact model (art. no. 101962).
  • While the table model and the compact model use spiral heat exchangers for heat transfer, the floor-standing model has plate heat exchangers, and in addition to the cooling circuit there is also a source circuit and a heating circuit - as in real heat pump heating systems in the building.
  • The heat is transferred via plate heat exchangers from the source circuit to the cooling circuit and from there to the heating circuit.
  • The plate heat exchanger on the left serves as an evaporator. Here the heat is transferred from the source circuit to the cooling circuit, causing the refrigerant to evaporate, i.e. it changes from a liquid to a vapour state.
  • The now evaporated refrigerant in the refrigeration circuit is compressed in the compressor, which additionally heats it.
  • The plate heat exchanger on the right serves as a condenser. This is where the heat is transferred from the compressed, vapour-like refrigerant in the refrigeration circuit to the heating circuit. In the process, the refrigerant cools down again and condenses (becomes liquid), i.e. it changes from a vapour to a liquid state.
  • After liquefaction, the refrigerant is expanded in the expansion valve, i.e. the pressure is reduced, before it returns to the evaporator and the process is repeated.

Operation

After the tanks have been filled with tap water and the model has been connected electrically (via Schuko plug for conventional 230V socket), the floor model is ready for operation. Both trainees and pupils, as well as craftsmen in further education, have the opportunity to learn and deepen their knowledge of the functioning of a heat pump in a practical way. Thanks to the compact design and the accompanying didactic materials, the model can be used flexibly both in theory and in practice.

Modern measurement technology records and visualises the decisive parameters of temperature and pressure, which are important for the operation of a heat pump. The measured values can then be evaluated and interpreted with the help of the didactic documents provided. In this way, the learners gain a deep understanding of the processes in the refrigeration circuit and of heat pump technology as a whole. Our model is characterised by compact dimensions and a robust frame, which enables a wide range of applications.

Technology and the environment

It is of particular importance for apprentices and learners to gain a sound understanding of how heat pumps work, as this technology has a significant impact on the energy efficiency, sustainability and environmental friendliness of heating and cooling systems. Achieving climate targets is only possible through the use of environmentally friendly technologies, with decarbonisation playing a crucial role in heating technology. For this reason, the heat pump is considered the heating system of the future. Therefore, it is of great importance to convey this knowledge comprehensively in education and training.

Heat pump education is crucial because this technology has a significant impact on the energy efficiency, sustainability and environmental friendliness of heating and cooling systems. In order to achieve climate targets, the heat pump is the heating of the future. Therefore, it is essential to teach this technology comprehensively in education and training.

Practice

A sound understanding of the operating principle of the heat pump is the key to successful planning, installation, commissioning and maintenance of heat pump systems. An optimal combination of theory and practice is essential here to ensure a sound understanding of this innovative technology.

  • Understanding of the operating principle of a heat pump
  • Knowledge of the terms and of the operating equipment of heat pump systems
  • Understanding of system technical conditions of heat pump heating systems
  • Knowledge of the operating conditions of a heat pump heating system
  • Knowledge of the physical processes in the refrigeration circuit of a heat pump
  • Competence to measure and evaluate the processes in heat pump systems

(approximate values, as new prototype is still under construction)

  • W x D x H = approx. 110 x 80 x 180 cm
  • Weight: approx. 80 kg, without water filling in the containers

Floor model heat pump, consisting of:

  • Frame made of extruded profile grooved on all sides, on lockable castors (diameter 125 mm)
  • Plate heat exchanger as evaporator
  • Compressor
  • Plate heat exchanger as condenser
  • Expansion valve
  • Filter dryer
  • Collector
  • Pressure gauges for displaying the pressure on the low-pressure side and on the high-pressure side
  • One pressostat each on the high-pressure side and the low-pressure side
  • Two vessels for filling with water: one vessel as an energy source (corresponds to e.g. geothermal heat) with connection to the evaporator, and one vessel as an energy sink (corresponds to e.g. underfloor heating) with connection to the condenser.
  • Two thermometers for recording the temperatures in the two vessels.
  • Four thermometers for recording the temperatures in the refrigeration circuit, at:
  • Evaporator inlet and outlet
  • Condenser inlet and outlet
  • Energy meter
  • Refrigerant R134a
  • Training as a plant mechanic SHK
  • Further training in heat pump technology

Learning fields:

  • Plant mechanic SHK 9, 12, 14, 15

Variants


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