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Equipotential connection: Operation
This video is about the equipotential connection of an electrical installation. Both the necessity and the connection of the equipotential connection are discussed.
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Differential switch: Operation
This video is about the differential switch of an electrical installation. Both the operation and safety of the differential switch are discussed.
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Automatic: Operation
This video is about the circuit breaker of an electrical installation. Both the general and internal operation of the machine are discussed.
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Everything Clear! Modular: Author speaks
In this video, an author explains the method German Alles Klar! modular .
You can browse the textbooks digitally on the website.
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Electricity: safety, cabling, alternating and direct voltage
Step-by-step explanation of electricity with attention to safety, cabling, direct and alternating voltage.
- Electricity is an important part of a refrigeration technician's job and does not come without its share of dangers. That is why it is …
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Correct installation of a cooling installation
Step-by-step explanation of installing a cooling installation with attention to components, mounting material, safety and maintenance.
For the correct installation of a cooling installation, we first choose the correct installation location. Choosing …
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Different setups of a cooling installation
Step-by-step explanation of the set-up of a cooling installation with attention to the main components, the hazards and the risks.
There are four main components to a refrigeration plant: the compressor, the condenser, the expander, the evaporator. …
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Dismantling a cooling installation
Step-by-step explanation of dismantling a cooling installation with attention to safety, the environment and the sorting of materials.
If you are asked to disassemble an installation, it is important to carry out the correct step-by-step plan and to …
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The maintenance schedule of a cooling installation
Step-by-step explanation of the maintenance of a cooling installation with attention to the logbook, maintenance instructions and checks.
- The log should always be available near the installation. This can be in electronic form or on paper. This is …
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Brazing
Step-by-step explanation of brazing with attention to preparation, tool setting and safety.
- Before we start brazing, we start with the preparation. We prepare by deburring the tube on the inside. Deburring is the removal of irregularities and sharp …
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Detecting a leak
There are many reasons why a leak can occur. Here you will discover what the various causes are and how you can detect a leak.
We suspect that an installation has a leak if one of the following happens.
- When the detection system indicates that there …
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Refrigeration technician: Materials knowledge
As a refrigeration technician you come into contact with many different materials. In this video we explain some basic materials that every refrigeration technician will work with.
First we will talk about different pipe materials: steel, PVC, copper, …
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