Technology
Technical Specifications
Page 12
M1010108_en
s
2
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 (
Δ
T=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
96.19
not measured
105.81
not measured
111.00
not measured
Organic hydrocarbons
Rated load
Partial load
mg/MJ
<1
5.00
<1
5.26
<1
5.74
<1
6.00
Dust
Rated load
Partial load
mg/MJ
17.00
not measured
20.11
not measured
25.89
not measured
29.00
not measured
Boiler efficiency rating
Rated load
Partial load
%
91.30
90.80
91.09
90.75
90.71
90.65
90.50
90.60
1) Values for boiler sizes 35 kW and 48 kW are interpolated (calculated as per EN 303-5)
