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