CWU, or domestic hot water, is a solution that has become a permanent fixture in water installations and heating systems in single-family homes and beyond. It is a great way to make the most of the opportunities.
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What is the DHW sensor for?
Temperature sensors are technologically advanced solutions whose main task is to monitor and control the temperature of water available to the residents of the house. Hot utility water is one of the ways to optimally use modern solutions and technology, which allows you to reduce bills. Depending on the type of installation in which it is located, it allows for precise setting of the temperature in the installation or a specific heating device.
The sensor performs the measurement and transmits information, and the boiler controller receives the measurement result and modifies the operation of the heating device based on the provided data.
The second type of sensor is the so-called thermocouples, or thermoelectric sensors. It is important to pay attention to the fact that when selecting individual elements, they are adapted to the appropriate devices and installations. These elements are designed not only to improve user comfort, but also to protect the device from damage. It is important to remember that only optimally matched components will ensure effective and truly economical operation, and will also extend the life of the entire system.
How to extend the DHW sensor?
The DHW supplied by the manufacturer is not always adapted to the needs of a specific installation. Sometimes it is necessary to make a modification, which involves extending the sensor. Contrary to appearances, this is not difficult to do, just cut the cable approximately halfway along, and then use the appropriate cable and "add" the required length. However, it should be remembered that the connections must not only be properly made, but also secured.
It will be necessary to purchase a cable that matches the connecting cable. However, you should be aware that such action will lead to increased resistance, which may adversely affect the precision of the measurement, although not in every situation. The best solution is therefore to consult a specialist who will carefully assess how extending the cable will affect the temperature, and if possible - will perform the task in a professional manner.
Where to place the DHW sensor?
Before choosing a location for the DHW sensor, it is worth understanding how the water in the tank behaves. When the tank heats the water, the temperature increases and the air, which is denser, moves upwards. Therefore, it is important to remember that the sensor cannot be placed too high, because it would not have access to the hot water to perform regular measurements.
Therefore, the DHW sensor must be correctly installed in the installation to function properly. So where? The location depends primarily on the type of sensor you have. Models with a horizontal measuring sleeve are placed at a height of approx. ⅓ of the tank level. This is the optimal place for the sensor to have constant access to the hot water resource that is appropriate for measuring. The second type are DHW sensors with a vertical sleeve, which is placed in the upper bottom in the hot water tank. In such a model, it is possible to manually adjust the sensor.
DHW sensors at the Onninen wholesaler
The DHW sensor is one of the key elements of the system that allows you to enjoy hot water at home. Onninen's offer includes a wide range of products, adapted to work in various conditions and with various devices. An example is the LG DHW sensor for heat pumps . This is a solution that works perfectly with various devices, except for the high-temperature pump. Using highly advanced measurement technology, it allows for precise measurements. Exceptional accuracy is applied to the optimization of the operating conditions of the entire system, helping to reduce electricity consumption. The solution prepared by LG has all the necessary certificates.
An alternative is a proposal provided by a brand valued among installers - De Dietrich . The De Dietrich 7737150P DHW sensor is responsible for measuring and monitoring the temperature of domestic hot water in the system. The temperature sensor is characterized by advanced operating technology, thanks to which, in addition to excellent thermal comfort. Precise control of the water temperature also allows for limiting heat losses and reducing bills. Sensors of this brand are characterized by exceptional durability and solidity of workmanship, thanks to which the product can be used for a long period of time. This is an element willingly chosen by installers, because its installation does not cause many difficulties, and the number of potential failures is negligible.
The Onninen range also includes Rotenso brand DHW sensors, such as the Rotenso RASN-MSDHW DHW sensor . This is a model dedicated to work with the Aquami Multi Split heat pump.