Specification
3
Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
8
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
VS
= DHW cylinder flow
RK
= Boiler return
RS
= DHW cylinder return
EL
= Drain (connection for boiler drain & fill valve or expan-
sion vessel)
VSL = Safety line flow (connection for an on-site safety val-
ve, pressure gauge or air vent valve)
Boiler size
18
22
30
35
Rated output (factory setting) (55/30 °C)
kW
18.5
22.6
30.3
36.6
Rated output (factory setting) (80/60 °C)
kW
17.7
21.8
29.0
35.1
Combustion output
kW
18.2
22.4
29.9
36.3
Boiler water content
I
35.6
35.6
44.9
44.9
Gas content
I
42.9
57.9
Flue gas temperature
1
(balanced flue) (55/30 °C)
°C
49
58
58
66
Flue gas temperature
1
(balanced flue) (80/60 °C)
°C
72
80
80
89
Flue gas mass flow rate
kg/s
0.0072
0.0089
0.0119
0.0144
CO
2
content
%
13.5 – 14.0
Required draught
Pa
0
Available draught
Pa
30
50
Pressure drop on the hot gas side (80/60 °C)
mbar
0.14
0.2
0.23
0.35
Pressure drop on the water side (dT = 10 K)
mbar
36
54
60
81
Permissible flow temperature
2
°C
100
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.
