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Technical data

Main dimensions:

 

     

 

PYROGAS 20 26/28 37/45
A  915   915 1115
B 530 530 530
C 740 740 940
D 265 265 265
E 670 670 670
F 1145 1145 1145
G 975 975 975
H 65 65 65
I 115 115 115

 

 

 

Boiler functional diagram :

 

rez

 

 

 

 

Legend:

  1. front cover door
  2. heating flap
  3. heating flap control
  4. boiler body
  5. loading door
  6. main primary air sliding flap
  7. door thermal insulation cover
  8. bottom door
  9. grated door
  10. ashtray
  11. fireproof ceramic blocks
  12. cast iron grate surface
  13. secondary air sliding flap
  14. fireproof ceramic bed of the combustion chamber LACFIRE
  15. fireproof ceramic secondary block LACFIRE
  16. primary fireproof ceramic nozzle LACFIRE
  17. thermal insulation
  18. combustion chamber–fireproof concrete blocks LACFIRE
  19. flue gas discharge chamber - flue outlet fi150
  20. flue gas temperature sensor
  21. EBM-PAPST flue gas exhaust fan
  22. flue gas fan impeller
  23. heat exchanger
  24. flue gas deflector (when cleaning the flue gas paths, remove through the heating flap 2)
  25. microprocessor boiler controller

 

Technical data table : 

MODRATHERM PYROGAS
Typ   PYROGAS 20 PYROGAS 26 PYROGAS 28 PYROGAS 37 PYROGAS 45
Rated thermal output kW 20 26 30 37 44
Boiler class ( EN 303-5) - 5
Recommended fuel ( EN 303-5) -

round wood soft A1 and hard A2

wood chips B1

maximum fuel moisture 20%
Efficiency % 89 - 90
Water volume l 68 83
Average flue gas temperature at rated output °C 180 175 185
Minimum return water inlet temperature °C 65
Maximum boiler operating pressure bar 2,5
Max. operating pressure of the safety exchanger bar 6
Flue gas space l 31
Loading space l 99 140
Wood lenght mm 400 550
Boiler dimensions ( w x h x d ) mm 530x1145x1000 530x1145x1200
Recommended chimney draft Pa 17-20 20-25
Overall boiler weight kg 347 345 347 385 388
Ashtray dimensions ( w x h x d ) mm 360x50x480 360x50x480
Loading hole dimensions ( w x h ) mm 390x360 390x360 390x360 390x360 390x360
Connection diameter of the flue gas outlet mm 150
Mains voltage / frequency V / Hz 230/50
Electrical power consumption W 50
Electrical coverage IP 40
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