Specifications - Buderus Logano plus GB402 Installation And Maintenance Instructions For Contractors

2.7.2

Specifications

1)
Rated heat input [Qn (Hi)]
1)
Rated output [Pn 80/60]
Temperature pairing 80/60 °C
1)
Rated output [Pn 50/30]
Temperature pairing 50/30 °C
Boiler efficiency, maximum performance
at 80/60 °C
Boiler efficiency, maximum performance
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
Heating water circuit
1)
Boiler water content [V]
Pressure drop on the heating water side at  20 K
Maximum flow temperature heating/DHW mode
Safety limit/high limit safety cut-out [T
Maximum permissible operating pressure [PMS]
Maximum differential between flow
and return temperatures
Maximum permitted flow rate through the
2)
boiler
Pipework connections
Gas connection
Heating water connection
Condensate connection
Flue gas values
Exhaust connection
Volume of condensate for natural gas G20, 40/30 °C
Exit flue gas mass flow
Flue gas temperature 50/30 °C
Flue gas temperature 80/60 °C
CO value, natural gas
2
Standard CO emissions factor
Standard NO emissions factor
x
Fan for residual pressure differential
(flue gas and combustion air system)
Exhaust system
Temperature classification to be used
for flue system in accordance with EN 1443
Pressure classification to be used
for flue in accordance with EN 1443
Pressure classification to be used
for connection piece in accordance with EN 1443
Condensate resistance classification to be used for
flue system in accordance with EN 1443
Corrosion resistance classification to be used
for flue system in accordance with EN 1443
Table 4 Specifications
Logano plus GB402 – 6 720 820 700 (2018/01)
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
%
% 105.1
% 106.0
% 109.6
% 0.20/0.33
I
mbar
°C
1)
] °C
max
1)
bar
Full Load K
Partial load K
l/h 34400
inch
DN/mm
inch
mm
l/h
Full Load g/s 142.4
Partial load g/s
Full Load °C
Partial load °C
Full Load °C
Partial load °C
Full Load %
Partial load %
mg/kWh
mg/kWh
Pa
min. T120
Min. 2
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
97.5 97.6
105.0
106.3
109.4
0.16/0.27 0.14/0.23
47.3 53.3
99 105
30 30
40 40
42463
30.8 39.2
174.5
28.7 36.8
45 44
57 58
min. T120 min. T120
H1, H1,
P1 P1
P1 with additional mechanical impact stability up to 5000 Pa
W W
Min. 2
Information on the device
97.3 97.7
104.6 105.0
106.6 106.3
109.7 109.3
0.12/0.20
59.3 65.3
95 108
30 – 85
100
6
30 30
40 40
50525 58588
2
80
¾ "
250
46.2 55.9
207.1 240.6
40.6 48.0
44 43
30
65
58 58
9.1
9.3
20
40
100
min. T120
H1, H1,
P1 P1
H1,
W W
Min. 2 Min. 2
2
98.0
105.3
106.4
110.4
0.11/0.17
75.3
113
30
40
66650
64.7
271.9
53.2
44
58
min. T120
H1,
P1
W
Min. 2
9