11
3.0
TECHNICAL DATA
Model Number
LBF81
LBF121
LBF151
LBF171
LBF221
LBF301
LBF401
GENERAL DATA
Input (gross) – kW
5.6
5.6
20.0
21.1
27.8
32.2
32.2
Input (net) – kW
5.0
5.0
18.0
19.0
25.0
29.0
29.0
Recovery Rate (44° ΔT) – l/hr
88
88
314
325
474
535
520
Recovery Rate (50° ΔT) – l/hr
77
77
276
286
417
471
458
Heat generator seasonal efficiency – %
80.4
80.4
80.4
78.7
87.4
85.0
82.7
Weight (Empty) – kg
49
74
128
141
220
265
309
NO
X
(corrected to 0% O
2
) PPM
84
84
108
77
89
109
128
NO
X
(corrected to 0% O
2
) mg/KWh
148
148
190
136
157
192
225
GAS DATA-G20
Nominal gas inlet pressure-mbar
21
Maximum gas inlet pressure- mbar
25
Minimum gas inlet pressure-mbar
17.5
Burner pressure mbar
11
11
10.3
10.5
10.0
12.2
12.2
Injector Size mm
2.0
2.0
1.20
1.25
1.25
1.25
1.25
Gas flow rate- m
3
/hr
0.52
0.52
1.85
1.96
2.58
2.99
2.99
Gas Inlet connection size- “BSP
3
/
8
3
/
8
1
/
2
1
/
2
1
/
2
1
/
2
1
/
2
GAS DATA-G31
Nominal gas inlet pressure-mbar
37
Maximum gas inlet pressure- mbar
45
Minimum gas inlet pressure-mbar
30
Burner pressure mbar
28.0
28.0
28.0
28.0
28.0
28.0
28.0
Injector Size mm
1.15
1.15
0.70
0.70
0.65
0.72
0.75
Gas flow rate- m
3
/hr
0.39
0.39
0.75
0.79
1.05
1.21
1.21
Gas Inlet connection size- “BSP
3
/
8
3
/
8
1
/
2
1
/
2
1
/
2
1
/
2
1
/
2
WATER DATA
Storage capacity- litres
75
115
145
160
220
300
390
Water connections “BSP
½
½
¾
¾
1 ¼
1 ¼
1 ¼
System return connection - “BSP
N/A
N/A
¾
¾
1
1
1
Maximum water pressure (PMS) - bar
6
Maximum water temp-
o
C
74
FLUE DATA TYPE C
12,
C
32
(concentric)
Nominal flue diameter-mm
38/60
38/60
60/100
60/100
60/100
60/100
60/100
Maximum flue gas temp-
o
C
99
88
109
95
109
115
97
Maximum equivalent length-m (Horizontal)
3.0
Maximum equivalent length-m (Vertical)
2.0
Equivalent length 90° bend – m
1.0
Equivalent length 45° bend – m
0.5
FLUE DATA TYPE C
52
(twin-pipe)
Nominal flue diameter-mm
38/60
38/60
80/80
80/80
80/80
80/80
80/80
Maximum flue gas temp-
o
C
99
88
109
95
109
115
97
Maximum equivalent length-m (air duct)
6.0
Maximum equivalent length-m (exhaust)
6.0
Equivalent length 90° bend – m
1.0
Equivalent length 45° bend – m
0.5
TABLE 3.1
TECHNICAL DATA
Summary of Contents for LBF121
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