Main dimensions :

 

 

MODRATHERM PYROSTAR
    PYROSTAR 14 PYROSTAR 18 PYROSTAR 25 PYROSTAR 28 PYROSTAR 37 PYROSTAR 50 PYROSTAR 56
Boiler width mm 520 520 520 520 520 620 620
Boiler width with the buffer mm 1052 1052 1052 1052 1052 1152 1152
Boiler depth mm 780 780 780 780 780 919 919
Buffer depth mm 1008 1008 1008 1008 1008 1008 1008
Boiler height mm 1031 1031 1091 1091 1291 1471 1471
Buffer height mm 1358 1358 1358 1358 1358 1358 1358
Hight of the chimney from the floor on the axis mm 730 730 790 790 990 1170 1170
Input height from the floor mm 113 113 113 113 113 113 113
Output hight from the floor mm 834 834 894 894 1094 1274 1274
Dimensions of the buffer door mm 600x600

Buffer    volume  

 lit. 370

 

 

Specifications table :

 

MODRATHERM PYROSTAR
Typ   PYROSTAR 14 PYROSTAR 18 PYROSTAR 25 PYROSTAR 28 PYROSTAR 37 PYROSTAR 50 PYROSTAR 56
Power range kW

4,1- 14

 5,4 - 18 6 - 25 6 - 27 11,1 - 37 13 - 50 13,4 - 53
Method of operation   automatic
Boiler class according to    EN 303-5   5
Recommended fuel   wooden pellets C1, d= 6 mm, 18 MJ/kg
Efficiency by the nominal output  % 92,8 92,8 90,8 90,8 90,8 92,3 92,3

Efficiency by the minimal output

 % 92,3 92,3 89,2 89,2 89,2 92,4 92,4
Chimney draft   14 16 18 19 21 23 24
Average flue gas temperature by nominal output °C 98 110 127 129,9 132 121 123,2
Average flue gas temperature by minimal output °C 63,6 65 68 70,2 72 72 73,4
Fuel consumption by nominal output kd/hour 3,19 4,1 5,7 6,1 8,1 11,2 11,87
Fuel consumption by minimal output kg/hour 0,93 1,2 1,3 1,4 2,1 2,7 3
Elektricty consumption 
by nominal output W 23 28 33 39 47 56 61
by minimal output W 10 12 14 15 17 20 23
by STAND BY W 3

Emmisions by the nominal output by 10% O2
CO mg/m3 84 77 71 65 64 62 61
OGC mg/m3 4 4 3 3 3 3 3
Dust mg/m3 29 28 26 25 27 30 32
Emmisions by the minimal output by 10% O2
CO mg/m3 160 112 69 24 48 158 208
OGC mg/m3 6 5 4 3 4 5 6
Dust mg/m3 34 27 19 11 18 25 33
Water volume l 57 57 75 75 99 147 195
Temperature range of thermostat °C 55 - 85
Min. temperature of return water °C 60
Max. working pressure bar 2
Overall weight kg 280 280 320 320 365 400 465
Water connection   5/4"
Chimney connection mm 160
Power supply / frequency V / Hz 230 / 50