72
EN
1.5
Technical features
DESCRIPTION
Brava Slim HE 25/55 ErP
Brava Slim HE 30/55 ErP
CERTIFICATIONS
Country of intended installation
IT - ES - EN - HR
Fuel
G20 - G31
PIN number
1312CP5936
Category
II2H3P
Type
B23P - B33P - B53P - C13 - C33 - C43 - C53 - C63 - C83 - C93 - C(10)
3
Class NO
x
(*)
6 (< 56 mg/kWh)
HEATING PERFORMANCE
HEAT INPUT (**)
Nominal flow (Q
n
max)
kW
24
30
Minimum flow (Q
nw
min)
kW
4,0
6,0
HEAT OUTPUT
Nominal (80-60°C) (P
n
max)
kW
23,7
29,5
Nominal (50-30°C) (P
n
max)
kW
25,7
32,2
Minimum G20 (80-60°C) (P
n
min)
kW
3,8
5,8
Minimum G20 (50-30°C) (P
n
min)
kW
4,3
6,3
Minimum G31 (80-60°C) (P
n
min)
kW
3,8
5,8
Minimum G31 (50-30°C) (P
n
min)
kW
4,2
6,3
EFFICIENCY
Max useful efficiency (80-60°C)
%
98,7
98,3
Min useful efficiency (80-60°C)
%
95,0
96,7
Max useful efficiency (50-30°C)
%
107,0
107,3
Min useful efficiency (50-30°C)
%
106,2
105,0
Useful efficiency at 30% of load (40-30°C)
%
107,4
107,2
Losses after shutdown at 50°C
W
200
225
DOMESTIC HOT WATER PERFORMANCE
Nominal heat input (Q
nw
max)
kW
24
30
Minimum heat input (Q
nw
min)
kW
4
6,0
Specific D.H.W. flow rate Δt 30°C (EN 13203)
l/min
15,5
17,5
Continuous D.H.W. flow rate (Δt 25°C/Δt 35°C)
l/min
13,6 / 9,7
16,9 / 12,0
Tank contents
l
55
Recovery time (from 25°C to 55°C min)
min
6'30"
6'
Max (PMW) / Min Pressure
bar
7/0.5
kPa
700/50
ENERGY PERFORMANCE
HEATING
Heating seasonal energy efficiency class
A
A
Heating seasonal energy efficiency
%
92
92
Sound power
dB(A)
52
54
DOMESTIC HOT WATER
Domestic hot water energy efficiency class
B
B
Domestic hot water energy efficiency
%
72
76
Stated domestic hot water profile load
XL
XL
ELECTRICAL SPECIFICATIONS
Power supply voltage
V
230
Frequency
Hz
50
Absorbed electrical power (Q
n
max)
W
70
92
Absorbed electrical power at (Q
n
min)
W
52
57
Absorbed electrical power in stand-by
W
3,6
3,6
Electrical protection degree
IP
X5D
COMBUSTION DATA
Smoke temperature at Max/Min flow (80-60°C)
°C
82/66
77 / 67
Smoke temperature at Max/Min flow (50-30°C)
°C
59 / 45
58 / 49
Smoke flow Max/Min
g/s
11,2 / 1,9
14,0 / 2,8
CO
2
at Max/Min flow rate (G20)
%
9,0 / 9,0
CO
2
at Max/Min flow rate (G31)
%
10,0 / 10,0
NOx measured
mg/kWh
35
37
NOZZLES - GAS
Number of nozzles
No.
1
1
Nozzle diameter (G20-G31)
mm
5,3
6,5
Gas consumption at Max/Min flow rate (G20)
m
3
/h
2,53 / 0,42
3,17 / 0,63
Gas consumption at Max/Min flow rate (G31)
kg/h
1,86 / 0,31
2,33 / 0,46
Gas supply pressure (G20/G31)
mbar
20 / 37
kPa
2 / 3,7
(*)
NOx class according to UNI EN 15502-1:2015
(**)
Heat input calculated using the lower heat output (Hi)
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