44
4.
For the service technician
4.6 Technical data for calculating the fl ue gas system
acc. to EN 13384-1 (for LWP 185–505T)
4.7 General technical data (for LWP 185–505T)
LogWIN Premium Touch
wood gasification boiler
Formula
symbol
Unit
LWP 185T LWP 255T LWP 305T LWP 365T LWP 505T
Values in practical operation
(average between two cleaning intervals)
Nominal thermal output
Q
kW
18.0
25.0
29.0
35.6
49.9
Nominal heat load
(firing thermal output)
QN
kW
19.7
27.2
31.5
39.2
55.4
Volume concentration of CO
2
s
(CO
2
)
%
15
Flue gas mass flow rate at nominal output
.
m
kg/s
0.0112
0.0143
0.0164
0.0208
0.0284
Flue gas temperature at nominal output
TW
°C
145
160
170
160
190
Necessary feed pressure
PW
Pa
10
Flue gas connection diameter
mm
130
LogWIN Premium Touch
wood gasification boiler
Formula
symbols
Unit
LWP 185T LWP 255T LWP 305T LWP 365T LWP 505T
Boiler class according to EN 303-5:2012
5
Nominal thermal output
kW
18.0
25.0
29.0
35.6
49.9
Fuel type according to EN 303-5:2012
Permissible
A. C2
1
Fuel water content
Permissible
%
15–25
Burn duration at nominal output
Beech
Spruce
h
10.0
6.4
8.1
5.2
6.4
4.1
7.9
4.9
4.8
3.0
Filling chamber
W x D x H
Beech / spruce
mm
l
kg
394 x 562 x 800
176
50/32
504 x 562 x 800
226
64/40
Filling door dimensions
W x H
mm
430 x 372
Feed pressure during operation (draught
requirement)
Maximum
needed
mbar
0.10
0.20
Boiler temperature control range
°C
60–87
Boiler set temperature
°C
80
2
Return temperature
min.
°C
45
Water-side resistance
D
T = 20 °K
D
T = 10 °K
mbar
2.1
7.2
3.4
14.0
5.5
20.0
7.2
37.5
14.0
50.0
Operating pressure
max.
bar
3
Test pressure
bar
4.5
Boiler water volume
l
130
150
Weight of boiler
net
kg
519
590
Minimum transport weight
3
kg
449
507
Installation dimensions
W x D x H
mm
588 x 1019 x 1596
698 x 1019 x 1596
Minimum installation dimensions
4
W x D x H
mm
588 x 967 x 1498
698 x 967 x 1498
Electrical power consumption
Operation
Stand-by
W
47
7
53
7
58
7
60
7
66
7
Values from type testing with beech. testing office TÜV SÜD Munich. test report no.: 1319 - 00/11)
Boiler efficiency
%
91.5
91.7
92.0
91.2
89.3
Flue gas temperature
Nominal load
°C
103
122
143
157
193
1
See operating manual. Fuels section
2
See Section 2.2.1
3
By removing parts which are easy to take off (e.g. doors. hook-in plates. burn through plates. heating surface cleaning mechanism. etc.)
4
Not including doors or blower motor