2.3 Technical specifications
Description Unit 28 35 48 55
Rated heat output 28 35 48 55
Heating efficiency range
kW
8.4 - 28 10.5 - 35 14.4 - 48 16.5 - 55
Mains connection 400V / 50Hz fused 20A
Boiler class 3 3 3 3
Boiler weight kg 420 425 500 505
Boiler water volume L 114 114 185 185
Permitted outfeed temperature 95 95 95 95
Minimum return feed temperature
°C
55 55 55 55
Permitted operating pressure bar 3 3 3 3
Upstream resistance (ΔT=20°C) mbar 6.5 7.5 17 19
Permitted fuel
1)
Wood chip / ÖNORM M 7133 or
wood pellets 6mm / ÖNORM M 7135
Heat output from fuel at rated heat
output
kW 30.4 38.2 52.8 60.7
1) Detailed information on the fuel is included in the operating instructions, in the section on “Permitted fuels”
Test data for operation with wood chips
Description Unit 28 35 48 55
Testing institute BLT Wieselburg
Test report no. 014/00 009/00
Date of issue 22.05.2000
1)
1)
25.04.2000
Carbon monoxide (CO)
Rated load
Partial load
mg/MJ
66.00
195.00
62.37
184.89
55.63
166.11
52.00
156.00
Nitrogen oxide (NOx)
Rated load
Partial load
mg/MJ
91.00
not measured