• In C type devices, the horizontal outlets should be assembled by a 1-2% downward inclination at
the outside for rain water etc. not to enter inside the device (Figure 5a).
• The distance of waste gas outlet with the opposite building should be at least 3 m. in
the direction of discharge of waste gas (Figure 5b).
• There should be at least 2.5 m. upwards distance in between the flue outlets of C type devices.
Moreover, the waste gas outlets of these devices should be 30 cm. below the bottom edge of
the window (Figure 5c).
• "C" type devices below the ground level (at basements) can only be installed if the combustion
air and was gas pipe lines of each device are opening to their own channels. The cross-section
areas of the channels should be at least 0.75 m
2
and the small edge size of the channel should be
at least 0.5 m. There shouldn't be vents or windows opening to these channels.
• In C type devices, combustion air and waste gas pipe outlets should be at least at 5 m. horizontal
distance from the fuel pumps and fuel tanks.
a)
c)
min.2,Sm
b}
Figure 5
10
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