Baxi Nuvola 3 BS 40 Series Operating And Installation Instructions page 44

MAX. LENGTH
140 Fi
240 Fi
280 Fi
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.
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.
15.5 SEPARATE VERTICAL FLUE INSTALLATION OPTIONS
INSTRUCTIONS FOR FITTERS
GAUGE POSITION
m)
AFR
0 ÷ 10
10 ÷ 30
20 ÷ 30
0 ÷ 20
20 ÷ 30
0 ÷ 20
20 ÷ 30
(L1 + L2) max = 30 m
L max = 15 m
G20
1
2 4,0
3
1
6,1
2
1
7,1
2
L max = 15 m
44
CO %
2
G30 G31
- 4,3
8,7 8,7
8,0 8,0
7113868.01 - en