Technical Data - Buderus Logano plus GB402 Installation And Maintenance Instructions Manual

2.7.2 Technical data

Rated heat input Qn (Hi)
Rated output
at 80/60 °C
Rated output
at 50/30 °C
Boiler efficiency, maximum output
at 80/60 °C
Boiler efficiency, maximum output
at 50/30 °C
Seasonal efficiency [to DIN], heating curve
75/60 °C
Seasonal efficiency [to DIN], heating curve
40/30 °C
Standby heat loss at excess temperature 30/50 K
Boiler water capacity
Pressure drop on the heating water side at t 20 K
Maximum flow temperature
heating/DHW mode
Safety limit/high limit safety cut-out
Maximum permissible operating pressure
Gas connection
Heating water connection
Condensate connection
Exhaust connection
Volume of condensate for natural gas G20, 40/30 °C
Flue gas mass flow rate
Flue gas temperature 50/30 °C
Flue gas temperature 80/60 °C
CO content, natural gas E/LL
2
Standard CO emissions factor
Standard NO emissions factor
x
Residual draught, fan
(flue gas and combustion air system)
Type (according to DVGW regulations)
Tab. 3 Technical data
Logano plus GB402 – 6 720 804 428 (2012/09)
Unit GB402-320 - 5 GB402-395 - 6 GB402-470 - 7 GB402-545 - 8 GB402-620 - 9
kW 61.0 – 304.8
kW 58.9 – 297.2
kW 66.7 – 320.0
% 97.5
% 105.1
% 106.0
% 109.6
% 0.20/0.33
Heating water circuit
l 47.3
mbar 99
°C
°C
bar
Pipework connections
Inches
DN/mm
Inches
Flue gas values
mm
l/h 30.8
Full load g/s 142.4
Partial
g/s 28.7
load
Full load °C 45
Partial
°C
load
Full load °C
Partial
°C 57
load
Full load %
Partial
%
load
mg/kWh
mg/kWh
Pa
Exhaust system
Open flue operation: B
Balanced flue operation: C
Boiler size (output - no. of sections)
75.2 – 376.2 89.5 – 447.6 103.8 – 519.0 118.0 – 590.0
72.6 – 367.4 85.2 – 435.8 100.7 – 507.0 114.9 – 578.2
80.5 – 395.0 95.6 – 468.2 113.0 – 545.0 127.6 – 621.4
97.6 97.3
105.0 104.6
106.3 106.6
109.4 109.7
0.16/0.27 0.14/0.23
53.3 59.3
105 95
30 – 85
100
6
2
80
¾ "
250
39.2 46.2
174.5 207.1
36.8 40.6
44 44
30
65
58 58
9.1
9.3
20
40
100
, B
23 23P
, C , C , C C , C
13 33 43 53, 63
About the appliance 2
97.7 98.0
105.0 105.3
106.3 106.4
109.3 110.4
0.12/0.20 0.11/0.17
65.3 75.3
108 113
55.9 64.7
240.6 271.9
48.0 53.2
43 44
58 58
, C
83 93
9