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Controller for every boiler room.
PROMATIC D20 |
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Description
Electronic digital controller Promatic D20 is used in family houses for complete and economical management of central heating system and domestic hot water warming. Controller Promatic D20 is designed for controlling of systems with independent boiler with radiator and convector or floor heating system.
Features
The controller Promatic D20 regulates the temperature of heating bodies in dependence of outdoor and room temperature and adequately to that maintains room temperature. It provides three-point regulation of mixing heating circuit or two-point regulation of boiler in dependence of the outside temperature. It is used for controlling of mixing or/ (and) direct heating circuit, boiler and domestic hot water warming. The controller Promatic D20 allows usage of two boilers or usage of one boiler and sun collectors for domestic hot water warming. By system with two boilers Promatic D20 automatically switches between them. It can operate in systems with or without heat accumulator. Program for protection of solid fuel boiler is built in. The controller automatically switches between winter and summer operation mode.
Anti-Legionnaires disease program for d. h. w. warming, minimum boiler temperature and frost protection are also built in. Controller can be connected to analogue or digital room unit.
Controller Promatic D20 was designed to rationalize oil consumption, maximize quality of living and lengthen lifetime of heating system devices. Because of its flexibility, controller Promatic D20 is suitable for use in any heating system. Its three-point mixing valve control logic enables smooth regulation and prevents undesirable cracking in radiators that emerge as a result of big temperature differences. Promatic D20 has a function for periodical activation of pumps and mixing valves built in.
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