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METAL-FACH Heating Technology
14
Safety automation and control
(User | Installer)
1. Boiler automatics enables setting:
●
boiler temperature;
●
the hot water temperature;
●
temperature in the central heating system;
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operation of auxiliary pumps;
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fuel feeder operation;
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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.