Nova Florida BTFSE 24 User Manual - page 16
3.2.4. Boiler room ventilation
The boiler is to be installed in an adequate room according to law
requirements, which are considered as fully transcribed in this ma-
nual.
BTN, open combustion chamber boiler model is to be connected
to a chimney system: combustion air is taken from the boiler room.
An air replenishment opening is to be provided according to law
requirements.
BTFS, sealed combustion chamber boiler model does not take
combustion air from the boiler room, therefore no air replenishment
opening is to be provided.
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comply with current laws which are considered as fully transcribed
in this manual.
NATURAL DRAUGHT BOILER (BTN)
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comply with current laws which are considered as fully transcribed
in this manual.
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pliance with current laws which are considered as fully transcribed
in this manual.
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are to be followed:
- Their diameter is not to be not less than that of the boiler outlet.
- They are to be made of water proof material that can withstand
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strength, be properly sealed, and bear proper height and cross-
section dimensions.
- The vertical inclination (chimney system) and section are to be
constant, without any bottlenecks.
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inclination toward the ground of at least 5%.
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in any weather condition.
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structure within a 5 m radius.
FORCED DRAUGHT BOILER (BTFS)
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ch are to be connected to 80mm diameter pipes.
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comply with current laws which are considered as fully transcribed
in this manual.
Type C12
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nected to the outside by means of a coaxial or split pipe system.
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pipe is to be at least 250 mm and both terminals are to be posi-
tioned within a square having sides of 500 mm.
• Air / flue gas coaxial pipe system, 60/100 mm diameter.
Allowable configuration:
1 flanged stub pipe
3 meter long coaxial pipe
1 air/flue gas terminal.
Notes:
- Reduce the maximum length by 1 meter for each 90° elbow.
- Reduce the maximum length by 0.5 meter for each 45° elbow.
- BTFS 24 model: in installations with an equivalent length of less
than 1 meter, install a 75 mm diaphragm.
- BTFS 32 model: in all installations, install a 78 mm diaphragm.
- BTFS 36 model: in installations with an equivalent length of less
than 1 meter, install a 78 mm diaphragm.
• Air / flue gas 80 mm diameter split pipes
Allowable configuration:
2 flanged stub pipes
19 meter long air intake pipe
19 meter long flue gas pipe
1 air intake terminal
1 flue gas terminal
Notes:
- Reduce maximum length by 1 meter for each 90° elbow.
- Reduce maximum length by 0.5 meter for each 45° elbow.
- BTFS 24 model: for installations with an equivalent length of less
than 2+2 meters, install a 42 mm diaphragm on the air intake.
- BTFS 32 and BTFS 36 models: for installations with an equiva-
lent length of less than 9+9 meters, install a 40 mm diaphragm on
the air intake.
pic. 7A
pic. 7B
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