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7113868.01 - en
INSTRUCTIONS FOR FITTERS
15.4 HORIZONTAL SEPARATE FLUE INSTALLATION EXAMPLES
IMPORTANT -
Make sure there is a minimum downward slope towards the outside of 1 cm per metre of duct length.
In the event of installation of the condensate collection kit, the angle of the drain duct must be directed towards the boiler.
(L1 + L2) max = 30 m
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L max = 15 m
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15.5 SEPARATE VERTICAL FLUE INSTALLATION OPTIONS
NB:
For the C52 type, do not fit the flue and air duct terminals on opposite walls of the building. The air duct must have
a maximum length of 10 metres (6 m for model 140 Fi).
If the discharge duct is longer than 6 metres, install the condensate collection kit, supplied as an accessory, near the boiler.
IMPORTANT:
if fitting a single flue duct, make sure it is adequately insulated (e.g.: with glass wool) wherever the duct
passes through building walls.
For detailed installation instructions, consult the technical data provided with the accessories.
L max = 15 m
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MAX. LENGTH
--
m)
GAUGE POSITION
CO
2
%
AFR
G20
G30
G31
140 Fi
0 ÷ 10
1
4,0 - 4,3
10 ÷ 30
2
20 ÷ 30
3
240 Fi
0 ÷ 20
1
6,1 8,7 8,7
20 ÷ 30
2
280 Fi
0 ÷ 20
1
7,1 8,0 8,0
20 ÷ 30
2