Metal-Fach GRAND PELLET 100, Техническая и эксплуатационная документация

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METAL-FACH Heating Technology
18
Safety automation and control
(User | Installer)
1. Boiler automatics enables setting:
●
boiler temperature;
●
the hot water temperature;
●
fuel feeder operation;
●
manual control of the feeder fan
2. Thermal sensor
Mechanical STB protection is located in the boiler and protects the heating system from overheating. It is set at
95
o
C. Above this temperature it switches off the fan, switching on the central heating and hot water pumps, as
well as two additional ones, and opens the mixing valve.
Fuel
(User)
The fuel for boilers equipped with a self-cleaning pellet burner is:
Wood pellets of class C in accordance with pt. 5.3 (Table 7) of PN EN 303-5:2012 standard:
● diameter: 6 ± 1mm; 8 ± 1mm;
● length 3,15 ≤ L ≤ 40;
●
moistu
re content ≤ 12%;
● ash content ≤ 0.5%;
●
calorific value >17 MJ/kg;
The fuel should not contain stones, pieces of wood or other impurities.