26
For the Service Technician
LogWIN wood gasification
boiler
Unit
LWP
180
LWP
250
LWP
300
LPW
360
LPW
500
Boiler class according to EN 303-5
3
3
3
3
3
Nominal thermal output range
kW
13.0–17.4
13.0–25.0
13.0–29.9
17.8–35.6
24.0–49.9
Burn duration at rated load/part load
Beech
Spruce
h
10.3/13.8
6.6/8.8
7.2/13.8
4.6/8.8
6.0/13.8
3.8/8.8
6.3/14.6
4.1/8.2
4.6/9.6
2.9/6.0
Filling chamber
Beech/spruce
l
kg
176
50/32
176
50/32
176
50/32
226
64/40
226
64/40
Feed pressure during operation (draught
requirement)
Necessary
Maximum
mbar
0.10
0.20
Boiler temperature control range
°C
60–87
Return temperature
min.
°C
45
Water-side resistance
Δ
T = 20 K
Δ
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
127
147
Weight of boiler (net)
kg
580
655
Minimum transport weight
1)
kg
463
519
Installation dimensions (W x D x H)
mm
640 x 1200 x 1560
695 x 1200 x 1560
Minimum installation dimensions
2)
(W x D x H)
mm
640 x 1020 x 1520
695 x 1020 x 1520
Filling door dimensions (W x H)
mm
430 x 397
Filling chamber depth
mm
562
Electrical power consumption
W
47
53
58
60
66
Values from type test with beech
Testing office TÜV SÜD Munich, test report no.: 1240-00/08
Firing efficiency (100-q
A
)
%
95.2
94.6
94.0
93.4
91.6
Boiler efficiency
%
91.5
91.8
92.0
90.8
90.1
Flue gas temperature
rated load
part load
°C
105
97
126
97
143
97
146
94
175
109
4.3 Technical data for calculating the flue
gas system acc. to EN 13384-1
LogWIN wood gasification boiler
Formula
symbols
Unit
LWP
180
LWP
250
LWP
300
LPW
360
LPW
500
Values in practical operation
Nominal thermal output
Q
kW
17.4
25.0
29.9
35.6
49.9
Nominal heat load
(firing thermal output)
Q
N
kW
19.0
27.2
32.5
39.2
55.4
Volume concentration of CO
2
σ
(CO
2
)
%
15
Flue gas mass flow rate at nominal output
.
m
kg/s
0.0102
0.0146
0.0174
0.0210
0.0296
Flue gas temperature at nominal output
(Average between two cleaning intervals)
T
W
°C
145
160
170
160
190
Necessary feed pressure
P
W
Pa
10
Flue gas connection diameter
mm
130
150
4.4 Technical data – General
1)
by removing parts which are easy to disassemble (e.g. doors, hook-in plates, burnthrough plates, heating surface cleaning etc.).
2)
not including doors and blower motor
