Adjustable power 5, 1 – 20 kW
Automatic hot water boiler KTP 20 PELLET is a combination of the gasification boiler KTP 20 and pellet burner ROJEK P for high quality white wooden pellets 6 mm diam.
TECHNICAL DATA
| Adjustable power | 5,1 – 20 kW |
| Boiler width | 622 mm |
| Boiler height | 1 280 mm |
| Boiler depth, incl. chimney and burner | 1 017 mm |
| Boiler depth, incl. chimney | 773 mm |
| Chimney height | 1086 mm |
| Chimney diameter | 160 mm |
| Height of water inlet | 293,5 mm |
| Diameter of water inlet and outlet | 2″ |
| Volume of combustion chamber | 43 L |
| Boiler weight | 298 kg |
| Boiler class in accordance with Norm EN 303-5 | 5 |
| Efficiency | 88% |
| Energy efficiency class wooden pellets | A + |
| Seasonal energy efficiency pellets | 77% |
| Boiler emissions according to Commission Regulation (EU) No. 2015/1189 | EKODESIGN |
| Hydraulic boiler loss | 59 mbar |
| Water volume | 98 L |
| Max. operation water overpressure | 2 bar |
| Min. operation water overpressure | 0,5 bar |
| Testing water overpressure | 4 bar |
| Max. operation temperature | 80 °C |
| Minimum inlet water temperature | 55 — 63 °C |
| Specified chimney draught | 5-10 Pa |
| Consumption of wooden pellets with nominal power | 4,9 kg/h |
| Temperature of burnt gas for nominal output | 223 °C |
| Flue gas temperature – min. power – pellets | 123 °C |
| Hopper volume 300 L | |
| Burner electrical input (normal operation) | 100 W |
| Electric power consumption of the burner (ignition) | 300 W |
| Voltage / frequency | 230 V / 50 Hz |
guarantee for the tightness of boiler body 3 years
In automatic operation the boilers comply with Class 5- EKODESIGN in accordance with the Norm ČSN EN 303 – 5.
The standard version of the KTP 20 PELLET boiler is without a tank, it is possible to order a 300l plastic tank or a 600L metal tank.
Thanks to the fuel tank, electronic regulation TECH ST 976 z PID and the burner with worm feeder the boiler is able to work even several days long in automatic operation. The electronic regulation can be connected with room regulator.
ROJEK P burner has automatic ignition.
Boilers ROJEK KTP PELLET are recommended to be operated with accumulation tanks.
Min. recommended volume of accumulation tanks with boiler ROJEK KTP 20 PELLET is 800 l.
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