5.3 Open system
The following scheme shows how to connect the boiler to the open central heating system:
System parts 1. Boiler TKU3 PELLET 2. Valve 3. Thermo-manometar 4. Boiler circle pump 5. Three-way
mixing valve or LADDOMAT 21 6. Heat accumulator tank 7. Three-way mixing valve 8. Automatic three-way
mixing valve 9. Circulation pump for radiator heating 10. Open expansion vessel 11. Automatic regulation
MRTR Plus (First) 12. Heating circle 13. Sanitary water circulation pump 14. Sanitary water accumulation
tank SOLAR I
10