Technical Data - Baxi Nuvola 3 Comfort Operating And Installation Instructions

MODEL NUVOLA 3 COMFORT
Category
Rated heat input
Reduced heat input
Rated heat output
Reduced heat output
Efficiency according to Directive 92/42/EEC
Max. pressure in central heating system
Capacity of storage boiler
Capacity of expansion vessel
Pressure of expansion vessel
Production of DHW at discharge ∆T=30°C
Boiler reset time
Max. pressure in DHW system
DHW output at ∆T=25 °C
DHW output at ∆T=35 °C
Specific output (*)
Type
Diameter of concentric flue duct
Diameter of concentric air duct
Diameter of 2-pipe flue duct
Diameter of 2-pipe air duct
Diameter of flue duct
Max. mass flow of fumes
Min. mass flow of fumes
Max. temperature of fumes
Min. temperature of fumes
NOx class
Type of gas
Natural gas supply pressure
Butane gas supply pressure
Propane gas supply pressure
Power supply voltage
Input frequency
Rated electrical input
Net weight
Dimensions
Protection against humidity and water penetration
(**)
(*) according to EN 625
(**) according to EN 60529
INSTRUCTIONS FOR FITTERS

32. TECHNICAL DATA

240 i
II
2H3+
kW 27,1
kW 11,9
kW 24,4
kcal/h 21.000
kW 10,4
kcal/h 8.900
–
HH
bar 3
l 60
l 7,5
bar 0,5
l/30min 390
min 6
bar 8
l/min 14
l/min 10
l/min 18,2
— B
11BS
mm —
mm —
mm —
mm —
mm 140
kg/s 0,022
kg/s 0,021
°C 110
°C 82
— 3
— G20
— G30-G31
mbar 20
mbar 28-30
mbar 37
V 230
Hz 50
W 110
kg 60
height mm 950
width mm 600
depth mm 466
— IP X5D
39
280 i 140Fi 240 Fi
II II II
2H3+ 2H3P 2H3+
31,1 15,3 26,3
11,9 6,9 11,9
28 14 24,4
24.080 12.100 21.000
10,4 6 10,4
8.900 5.160 8.900
HH HH HHH
3 3 3
60 60 60
7,5 7,5 7,5
0,5 0,5 0,5
450 — 390
4 — 6
8 8 8
16,1 8,1 14
11,5 5,8 10
19 14,1 18,2
B C12 - C32 - C42 - C52 - C82 - B22
11BS
— 60 60
— 100 100
— 80 80
— 80 80
140 — —
0,024 0,015 0,018
0,021 0,015 0,017
115 120 134
82 77 108
3 3 3
G20 G20 G20
G30-G31 G31 G30-G31
20 20 20
28-30 — 28-30
37 37 37
230 230 230
50 50 50
110 190 190
60 70 70
950 950 950
600 600 600
466 466 466
IP X5D IP X5D IP X5D
280 Fi 320 Fi
II II
2H3+ 2H3P
30,1 34,5
11,9 11,9
28 32
24.080 27.520
10,4 10,4
8.900 8.900
HHH HHH
3 3
60 60
7,5 7,5
0,5 0,5
450 490
4 4
8 8
16,1 18,3
11,5 13,1
19 21,5
60 60
100 100
80 80
80 80
— —
0,018 0,022
0,018 0,021
142 142
108 108
3 3
G20 G20
G30-G31 G31
20 20
28-30 —
37 37
230 230
50 50
190 190
70 70
950 950
600 600
466 466
IP X5D IP X5D
C607215 - GB