Boiler for pellets Defro Delta EkoPell 25 kW with feeder on left side

1. steel body with thermal insulation;
2. cleaning door;
3. firebox-ash pan door;
4. feet for leveling boilers;
5. upper cleaning access;
6. supply connector;
7. return connector;
8. drain connector;
9. chimney;
10. electronic regulator display;
11. control module;
12. STB temperature limiter;
13. analog thermometer;
14. pellet burner;
15. fuel feeder;
16. motor gearbox;
17. fuel tank;
18. fuel tank inspection hole;
19. controller sensor bushing mask;
20. fan;
21. main switch;
22. flue gas sensor cable passage;
23. ½" connector (for temperature sensor installation of SYR 5067 safety).

APC 3 SLIM Controller

Functions performed by the controller:

• modern ADAPTIVE Control using a turbine flow meter ensures optimal selection of fan and feeder operating parameters;
• ignition using a heating element;
• automatic boiler ignition and extinguishing
• fan control (testing the air flow necessary for proper combustion) and feeder;
• heating, hot water, and valve pump control;
• additional device control;
• control of one mixing valve;
• possibility of connecting ST-65 GSM module;
• weekly boiler control;
• internet control (remote ignition and extinguishing) - option;
• fuel consumption measurement;
• heating, hot water, valve, and flue gas temperature sensor;
• possibility of connecting a room regulator with RS or traditional communication;
• large color graphic display placed in a console with adjustable tilt angle;
• photoresistor (flame sensor);
• has burner thermal protection;
• possibility of controlling additional mixing valve using DERFO MZ module.