Specification; Specification For Boilers With Integral Oil Burners - Buderus Logano GB125 Installation And Maintenance Instructions Manual

3

Specification

3 Specification
3.1

Specification for boilers with integral oil burners

Fig. 3 Connections and dimensions (dim. in mm)
Connections (for dimensions see the following tables):
VK = Boiler flow
RK = Boiler return
EL = Drain (connection for boiler drain & fill valve or expan-
sion vessel)
Boiler size
Rated output (factory setting) (55/30 °C)
Rated output (factory setting) (80/60 °C)
Combustion output
Boiler water content
Gas content
1
Flue gas temperature (balanced flue) (55/30 °C)
1
Flue gas temperature (balanced flue) (80/60 °C)
Flue gas mass flow rate
CO content
2
Required draught
Available draught
Pressure drop on the hot gas side (80/60 °C)
Pressure drop on the water side (dT = 10 K)
Permissible flow temperature
Tab. 1 Specification for boilers with integral oil burners
1
Flue gas temperature according to EN 303.
2
Safety limit (high limit safety cut-out, STB)
Maximum possible flow temperature = Safety limit (STB) – 18 K
Example: Safety limit (STB) = 100 °C, maximum possible flow temperature = 100 – 18 = 82 °C
The safety limit must meet the relevant national regulations.
8 Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
kW
kW
kW
°C
°C
kg/s
%
Pa
Pa
mbar
mbar
2
°C
VS = DHW cylinder flow
RS = DHW cylinder return
VSL = Safety line flow (connection for an on-site safety val-
ve, pressure gauge or air vent valve)
18
18.5
17.7
18.2
I 35.6
I 42.9
49
72
0.0072 0.0089
0.14
36
22 30
22.6 30.3
21.8 29.0
22.4 29.9
35.6 44.9
57.9
58 58
80 80
0.0119
13.5 – 14.0
0
30
0.2 0.23
54 60
100
35
36.6
35.1
36.3
44.9
66
89
0.0144
50
0.35
81