Baxi Nuvola 3 BS 280 Fi User Manual

63
7113868.01 - en
INSTRUCTIONS FOR FITTERS
37. TECHNICAL DATA
Boiler model NUVOLA 3 BS 40 240 i 280 i 140 Fi 240 Fi 280 Fi
Category II2H3+ II2H3+ II2H3P II2H3+ II2H3+
Rated heat input kW 27,1 31,1 15,3 26,3 30,1
Reduced heat input kW 11,9 11,9 6,9 11,9 11,9
Rated heat output kW 24,4 28 14 24,4 28
kcal/h 21.000 24.080 12.100 21.000 24.080
Reduced heat output kW 10,4 10,4 6 10,4 10,4
kcal/h 8.900 8.900 5.160 8.900 8.900
Useful efciency according to directive 92/42/CEE
–
++ ++ ++ +++ +++
Max. water pressure in CH system bar 33333
Storage boiler capacity l 42 42 42 42 42
Expansion vessel capacity l 7,5 7,5 7,5 7,5 7,5
Expansion vessel pressure bar 0,5 0,5 0,5 0,5 0,5
DHW production at outlet ΔT=30°C l/30min 380 440 240 380 440
DHW max. water pressure bar 88888
DHW production at ΔT=25 °C
l/min 14 16,1 8,1 14 16,1
DHW production at ΔT=35 °C l/min 10 11,5 5,8 10 11,5
Specic output (*) l/min 16 17,5 11,4 16 17,5
Type —
B
11BS
B
11BS
C12 - C32 - C42 - C52 - C82 - B22
Coaxial ue duct diameter mm — — 60 60 60
Coaxial air duct diameter mm — — 100 100 100
2-pipe ue duct diameter mm — — 80 80 80
2-pipe air duct diameter mm — — 80 80 80
Flue duct diameter mm 140 140 — — —
Max. ue mass ow rate kg/s 0,022 0,024 0,015 0,017 0,018
Min. ue mass ow rate kg/s 0,021 0,021 0,015 0,018 0,018
Max. ue temperature °C 110 115 120 134 142
Min. exhaust temperature °C 82 82 77 108 108
NOx Class — 33333
Gas used — G20 G20 G20 G20 G20
—
G30-G31 G30-G31 G31 G30-G31 G30-G31
Natural gas feeding pressure G20 mbar 20 20 20 20 20
Butane supply pressure G30 mbar 28-30 28-30 — 28-30 28-30
Propane gas feeding pressure G31 mbar 37 37 37 37 37
Power supply voltage V 230 230 230 230 230
Power supply frequency Hz 50 50 50 50 50
Rated power supply W 140 165 190 190 215
Net weight kg 53 53 63 63 63
Dimensions height mm 950 950 950 950 950
width mm 600 600 600 600 600
depth mm 466 466 466 466 466
Protection against humidity and water penetration (**)
—
IP X5D IP X5D IP X5D IP X5D IP X5D
(*) according to EN 625
(**) according to EN 60529

Baxi Nuvola 3 BS 280 Fi Specifications

General

Brand	Baxi
Model	Nuvola 3 BS 280 Fi
Category	Boiler
Language	English