23
4.6
Technical features
4.6.1
Boiler (gas side)
DESCRIPTION
Murelle Revolution 30
CERTIFICATIONS
Country of intended installation
GB
Fuel
G20 / G31
PIN number
1312CR6100
Category
II2H3P
Appliance classification
C53 - C63 - C83
Class NO
x
(*)
6 (< 56 mg/kWh)
HEATING PERFORMANCE
HEAT INPUT (**)
Nominal flow (Q
n
max)
kW
20
Minimum flow (Q
nw
min)
kW
4
HEAT OUTPUT
Nominal (80-60°C) (P
n
max)
kW
19.7
Nominal (50-30°C) (P
n
max)
kW
21.4
Minimum G20 (80-60°C) (P
n
min)
kW
3.9
Minimum G20 (50-30°C) (P
n
min)
kW
4.3
Minimum G31 (80-60°C) (P
n
min)
kW
3.9
Minimum G31 (50-30°C) (P
n
min)
kW
4.3
EFFICIENCY
Max useful efficiency (80-60°C)
%
98.5
Min useful efficiency (80-60°C)
%
97.5
Max useful efficiency (50-30°C)
%
107
Min useful efficiency (50-30°C)
%
107.5
Useful efficiency at 30% of load (40-30°C)
%
108.5
Losses after shutdown at 50°C
W
84
DOMESTIC HOT WATER PERFORMANCE
Nominal heat input (Q
nw
max)
kW
28
Minimum heat input (Q
nw
min)
kW
4
Specific D.H.W. flow rate Δt 30°C (EN 13203)
l/min
12.9
Continuous D.H.W. flow rate (Δt 25°C/Δt 35°C)
l/min
16.1 / 11.5
Minimum D.H.W. flow rate
l/min
2
Max (PMW) / Min Pressure
bar
7 / 0.5
kPa
700 / 50
ENERGY PERFORMANCE
HEATING
Heating seasonal energy efficiency class
A
Heating seasonal energy efficiency
%
93
Sound power
db(A)
54
DOMESTIC HOT WATER
Domestic hot water energy efficiency class
A
Domestic hot water energy efficiency
%
84
Stated domestic hot water profile load
XL
ELECTRICAL SPECIFICATIONS
Power supply voltage
V
230
Frequency
Hz
50
Absorbed electrical power (Q
n
max)
W
70
Absorbed electrical power at (Q
n
min)
W
52
Absorbed electrical power in stand-by
W
3.6
Electrical protection degree
IP
X5D
COMBUSTION DATA
Smoke temperature at Max/Min flow (80-60°C)
°C
82 / 66
Smoke temperature at Max/Min flow (50-30°C)
°C
59 / 45
Smoke flow Max/Min
g/s
11.2 / 1.9
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
(*)
NOx class according to UNI EN 15502-1:2015
(**)
Heat input calculated using the lower heat output (Hi)
(***)
Calculated with upper calorific value (Hs)