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Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005
We reserve the right to make any changes due to technical modifications.
Dimensions and connections3
3 Dimensions and connections
Tab. 1 Dimensions
Fig. 2 Back, side and front view, measurements in inches
1 Combustion air line connection
2 Flue gas line
VK
RK
1
2
GAS
EL
Connections (measurements see the following tables):
VK = Boiler supply - 1"
RK = Boiler return - 1"
EL = Drain - 1/2"
GAS = Gas connection - 1/2"
Boiler
size
Boiler
output
Combustion
air
connection
Flue gas
connecti
on
A B Min. overflow
valve cap.
Number of
orifices
Water
volume
Empty
weight
MBtu/hr Inches Inches Inches Inches lb/hr Qty US gal. lbs
17 59 3" 3" 7 1/5" 3 1/10" 62 2 2.4 229
23 79 3" 3" 8" 6 2/3" 86 3 2.9 240
30 104 3" 3" 9 1/5" 10 1/5" 110 4 3.4 337
Fig. 3 Pressure gradient
flowrate in GPM
Pressure drop
USER NOTE
For the size and dimensions of the main
gas orifice see Î Chapter 13, page 80.
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