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April 2014

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Regulation for electric heating

Control for electric heating

  Quality regulation is important for every heating system; however, it is of key importance for electric heating – and despite that, it is often underestimated. Regulation has a very important influence not only on the parameters and on the comfort of heating, but mainly on its operating costs. As it isn’t easy to choose the correct type of regulation, you can find explanations of the meanings of the most common terms used in connection with regulation in the chapter Glossary of terms.  

Home regulation

This includes regulators for common environments – i.e. for family houses, flats, offices, shops, schools etc. The regulator (thermostat) is usually located directly in the interior of the heated room, and it controls connected heating on the basis of monitored parameters (air temperature in the room, floor temperature). Regulators can be analogue or digital (programmable), they can read room temperature and/or floor temperature (floor heating), and feature various setting and programming options.

Outdoor and industrial regulation

For outdoor regulation applications (anti-freeze protection of pavements, driveways, eaves troughs and drainpipes, anti-freeze protection of pipes) and industrial regulation (workshops, production operations, warehouses etc.), specific parameters are required – for example, the reading not only of temperature but also of humidity, non-standard ranges of measured temperature, higher robustness of temperature sensors, humidity resistance, higher IP coverage and so on. The execution and design of such regulation therefore depends on these requirements and so it is not used for standard heating.

Central regulation

Central regulation is a higher level of home regulation for electric heating – it maintains the main advantage of electric heating, i.e. individual control of each room, but it provides higher accuracy, the greater convenience of controlling the heating from one place, and usually the option of control via a PC. Also, in this way a record is created of the operating time and temperatures in the individual rooms in a given period.

Wireless regulation

Wireless regulation means that there is no cable wiring between the switching contact, which lets electric energy into the connected heater, and the thermostat, which measures the room temperature and in which the heating programme is stored. Communication takes place in a wireless way – via a radio frequency (RF). This system is ideal particularly after reconstruction because it is easy to replace original or completely absent electric heating regulation. Some systems of this kind enable the connection of parts of the heating system into one unit, and thus wireless central regulation is created.

Special regulation elements

Other equipment which doesn’t necessarily need to be connected directly to heating is also used for regulation. This includes, for example, regulators for attenuation temperature and programmable timer switches which work together with other regulation elements or devices which disconnect certain appliances (circuits) in the case of a “consumption peak” and thus lower the size requirement for the main circuit breaker of a building.

2010-10-12 10:28:50 +0200