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ERT 140


Teaching suggested applications*


-          Identification of components of a heat pump installation water/water

-          Commissioning of a heat pump water/water

-          Measurement of the installation operating parameters

-          Settings of the regulation (heating curve ...)

-          Function tests at varied throttle settings

-          Thermal balances of installation on the hot circuit and the cold circuit

-          Study of the refrigeration cycle of the machine

-          Determination of the overall efficiency of the machine


The ERT140 bench allows the study of a domestic heat pump of DE DIETRICH brand. It is equipped with two circuits (an inner circuit and an outer circuit) comprising buffer tanks. This will avoid short cycles and allow students time to make adjustments and get records. The evaporator load side is realized by an electrical heater situated in the tank but it is also possible to connect the circuit on a dissipation loop or optional dissipation module. The condenser load side is realized by an optional dissipation module (see last section of this document) to be selected based on the expected applications. Each circuit consists of a primary circuit (between the Heat Pump and the tank) and a secondary circuit (between the tank and dissipation).

The bench is fully instrumented to allow maximum educational use. There can be added an optional monitoring system.

The robust design of this equipment makes it perfectly suited for use in schools.

Its anodized aluminum structure on wheels makes it extremely robust as well as great flexibility of integration into your premises. The manufacturing of this equipment meets the European machine directive.

This equipment can be used alone or with other compatible equipments in our range (see last section of this document).

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*Teaching suggested applications


ZA du Parc
42490 Fraisses

Phone number/Fax

+33 (0)4 77 10 10 10
+33 (0)4 77 61 56 49


Please, give us your technical and teaching requirements and we will manufacture for you your new system.


Because we have the experience, and choose the best suppliers we will assure features and relevance.

The essential of DIDATEC :

Standard range distribution - Research department / Customization

 Units of : Demonstration, Teaching and lab manuals, Research and development.

Technical and lab manuals - Advice and layout plan studies 

Warehouse and trials : 1600 m², Research department : 150 m², Spare parts : 300 m².

Because all systems are being manufactured at our plant, accordind to your specific needs and budgets we will assure quality and long-lived. 

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