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HEAT ENGINEERING

TKA 45 - Automatic hot water boiler for solid fuels

burning boilers,

Adjustable power 13, 5 – 45 kW


Automatic hot water boiler ROJEK TKA 45 enables to burn brown coal grain size 4-25 mm or wooden pellets 6 – 10 mm diam. - both high quality white pellets and pellets of lower quality with bark mixture in automatic operation.

Retort burner enables to burn also lower quality bio fuels - plant pellets and in combination with an adapter also corn. With an additional folding grate of cast iron segments in the boiler ROJEK TKA 45 you can burn piece wood, biomass and other solid fuels in manual operation.

With wooden pellets and brown coal - grain size 4 - 25 mm in automatic operation the boiler complies with Class 4 in accordance with the norm ČSN EN 303-5.

Thanks to the fuel tank, electronic regulation and the burner with spiral feeder the boiler can work in automatic operation even for several days. The electronic regulation can be connected with a circular pump ( adjustment of temperature when the pump switches on ) and at the same time with room thermostat.

The burner is installed in the lower part of boiler body. The retort burner is designed for lower fuel loading and the combustion process itself can be compared with a blacksmith hearth. From the tank the fuel is feeded by spiral feeder to the retort knee. Here it is forced out up to a round grate.

Both the grate and the retort are made of high quality cast iron. The retort is placed in a converter to which the air is blown by a blower. Through the slots between the retort and the grate the air is then driven to the burning fuel layer.

The automatic hot water boiler ROJEK TKA 45 can work both in automatic and also in manual operation. It is provided by a cooling loop (a protection against overheating), a folding grate made of segments and a tilting front grate, both of quality cast inon, and a thermostatic draught control with a chain in order to adjust the inlet of primary air - power control in manual operation.

TKA 45 - Enlarge

TKA 45 - Technical data

Boiler
Nominal output 45 kW
Min. output13,5 kW
Boiler width744 mm
Boiler height1642 mm
Boiler depth703 mm
Boiler depth incl. chimney1 043 mm
Chimney height1548,5 mm
Chimney diameter219 mm
Height of water inlet618 mm
Diameter of water inlet and outlet 2"
Volume of combustion chamber121 l
Boiler weight625 kg
Boiler class in accordance with Norm EN 303-54
Efficiency83,5 %
texttd(667)A + / C
texttd(668)115 / 75
texttd(669)79 % / 75 %
texttd(666)-
Hydraulic boiler loss 132 mbar
Size of loading hatch, semicircle - width x height395 x 295 mm
Water volume156 l
Max. operation water overpressure2 bar
Min. operation water overpressure0,5 bar
Testing water overpressure4 bar
Max. operation temperature90 °C
Specified chimney draught8 - 12 Pa
Consumption of wooden pellets with nominal power11,4 kg/h
Consumption of wooden pellets for minimum capacity3,3 kg/h
Consumption of brown coal for nominal capacity9,5 kg/h
Consumption of brown coal for minimum capacity1,9 kg/h
Temperature of burnt gas for nominal output190 °C
Hopper 500 l
Hopper volume500 l
Approx. weight of pellets in hopper300 kg
Boiler width incl. hopper 1 565 mm

TKA 45 - Details

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Wooden pellets with bark mixture
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Plant pellets
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High quality wooden pellets
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Brown coal, grain size 4 - 25 mm
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TKA 45 - Videos

Video
KTP
19 078,6 kB

TKA 45 - Documents to download

DocumentSizeType of documentLanguage
Kotle_UK.pdf2 523,2 kBHot water boilers for wo (show-card)English
Kotle_HU.pdf1 653,8 kBHot water boilers for wo (show-card)Magyar
Kotle_RO.pdf3 343,6 kBHot water boilers for wo (show-card)Romania
TTP/Cert_TKA_CZ.pdf1 537,7 kBTKA 15, 25, 45 (certificate)Česky
TTP/Cert_TKA_UK.pdf1 463,6 kBTKA 15, 25, 45 (certificate)English
TTP/OZ_TKA45.pdf211,9 kBTKA 45 (certificate)ČeskyEnglish


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