Buderus Logano plus GB312 Installation And Service Instructions Manual page 12

2
Product information
Boiler size (output - no. of heat exchanger sections) Unit
Permissible operating pressure
Electrical data
Protection class
Main power connection
Power consumption
Maximum permissible fuse rating
Boiler dimensions and weight
Transport clearance dimensions, width x depth x
height
Weight
Table 4 Specifications
100
10
1
y
0,1
1
x
Fig. 4 Primary circuit flow resistance, GB312 with check valve
x Flow rate in gallon/min (GPM)
y Primary pressure drop in psi
Boiler size Gas flow rate
Natural gas (gas type A)
Calorific value 1075 BTU/ft
cu ft/hr
90 - 4 324.6
120 - 4 434.4
160 - 5 579.0
200 - 6 720.6
240 - 7 868.8
280 - 8 1013.4
Table 5 Gas flow rate (based on gas temperature of 60 °F and air
pressure of 30 ins Hg)
12
90 - 4
psi
50
IP 40
120 V /
V/HZ
60 Hz
max. load W 84
min. load W 40
A 10
Inch
34x25x60 34x25x60 42x25x60 42x25x60 50x25x60 50x25x60
lbs 455
10
3
120 - 4 160 - 5 200 - 6
50 50 50
IP 40 IP 40 IP 40
120 V / 120 V / 120 V /
60 Hz 60 Hz 60 Hz
150 190 230
40 45 50
10 10 10
455 530 585
100
The boiler is factory-set for:
• Natural gas (gas type A)
Logano plus GB312 – 6 720 806 273 (2013/01)
240 - 7 280 - 8
50 50
IP 40 IP 40
120 V / 120 V /
60 Hz 60 Hz
270 370
50 50
10 10
665 730
90-4
120-4
160-5
200-6
240-7
280-8
1000
7 747 010 720-30.1RS