Buderus Logano GE615 User Manual

2 Technical description
6 720 646 864 (12/2010) – Technical guide Logano GE315, GE515 and GE615
16
2.4.3 Flue gas temperature and boiler efficiency
The flue gas temperature is the temperature measured
inside the flue pipe, specifically at the boiler flue outlet. It
is shown subject to the boiler load.
Logano GE315
Fig. 15 Flue gas temperatures and boiler efficiency of
the Ecostream cast iron boilers and Ecostream
cast iron boiler units Logano GE315, at an
average boiler water temperature of 70 °C
Logano GE515
Fig. 16 Flue gas temperatures and boiler efficiency of
the Ecostream cast iron boilers and Ecostream
cast iron boiler units Logano GE515, at an
average boiler water temperature of 70 °C
Logano GE615
Fig. 17 Flue gas temperatures and boiler efficiency of
the Ecostream cast iron boilers and Ecostream
cast iron boiler units Logano GE615, at an
average boiler water temperature of 70 °C
Key to Fig. 15, Fig. 16 and Fig. 17:
ϑ
A
Flue gas temperature
η
K
Boiler efficiency
ϕ
K
Boiler load
a Flue gas temperature
b Boiler efficiency
ϕ
K
[%]
10010
0
80
85
90
95
100
20
30 40 50 60 70 80 90
ϑ
A
[°C]
190
170
150
130
110
90
70
6 720 644 097-14.1il
η
K
[%]
a
b
10010
0
80
85
90
95
100
20
30 40 50 60 70 80 90
190
170
150
130
110
90
70
6 720 644 097-15.1il
ϕ
K
[%]
η
K
[%]
ϑ
A
[°C]
a
b
100
200
150
100
50
0
10
0
90
91
92
93
94
95
96
97
98
20
30 40 50 60 70 80 90
6 720 644 097-16.1il
η
K
[%]
ϑ
A
[°C]
ϕ
K
[%]
a
b

Buderus Logano GE615 Specifications

General

Brand	Buderus
Model	Logano GE615
Category	Boiler
Language	English