The construction of a two-pipe system with an open top bottling, with modern radiators (except iron) .reliability and durability is ensured by simple design and modern materials. To achieve significant energy savings are very important to choose a set of automation (control device). If you select Automatic, the following options: – Automatic mechanical (mechanical control device) – Electronic Automatic (electronic, digital control devices).
Automatic Mechanical contains reliable, but the primitive control devices (such as bimetal thermostats, contactors second fourth, sixth magnitude, thermal relays, etc.). The only advantage of mechanical automation – a small price. Disadvantages of mechanical automation: – strong claps at work (increased noise) – not accurate, not cost-effective control heating. E-automatic (electronic digital control unit) is much quieter, more precisely controls heating, mechanical economical automation (at least 25%. In each case, set of digital control devices may be different.
Consider an example conventional heating 2-room apartment 50 m2 (with 120 – 150 m3) different sets of digital control devices. On this area (volume) of suitable electrode electric boiler with capacity of 3 kW. If the automatic use of an electronic temperature controller, the average consumption during the heating season will be about 0.6 kW / h, which corresponds to approximately 15 kW / hour in one day or 450 kilowatt / hour in a month. Management in this case comes from the temperature of the liquid through two channels – Return pipe (inlet to the boiler), supply (the output of the boiler). If we use air temperature sensor, the control will be carried out from room temperature (in the range of + 7 C – +30 C).