19
5.5
Technical features
DESCRIPTION
Murelle Pro HE MkII
30
35
CERTIFICATIONS
Country of intended installation
GB
Fuel
G20 /G31
PIN number
1312CP5936
Category
II2H3P
Type
C13 - C33
Class NO
x
(*)
6 (< 56 mg/kWh)
HEATING PERFORMANCE
HEAT INPUT (**)
Nominal flow [Qn max]
kW
24
30
Minimum flow [Qn min]
kW
4.8
6
HEAT OUTPUT
Nominal (80-60°C) [Pn max]
kW
23.6
29.5
Nominal (50-30°C) [Pn max]
kW
25.7
32.2
Minimum G20 (80-60°C) [Pn min]
kW
4.7
5.9
Minimum G20 (50-30°C) [Pn min]
kW
5.1
6.5
Minimum G31 (80-60°C) [Pn min]
kW
4.7
5.9
Minimum G31 (50-30°C) [Pn min]
kW
5.1
6.5
EFFICIENCY
Max useful efficiency (80-60°C)
%
98.3
98.3
Min useful efficiency (80-60°C)
%
97.9
98.3
Max useful efficiency (50-30°C)
%
107.1
107.3
Min useful efficiency (50-30°C)
%
106.3
108.3
Useful efficiency at 30% of load (40-30°C)
%
108,5
108.5
Losses after shutdown at 50°C
W
88
88
DOMESTIC HOT WATER PERFORMANCE
Nominal heat input [Qn max]
kW
28
34.8
Minimum heat input [Qn min]
kW
4.8
6
Specific D.H.W. flow rate ΔT 30°C (EN 13203)
l/min
12.9
16.5
Continuous D.H.W. flow rate (ΔT 25°C / ΔT 35°C)
l/min
16.1 / 11.5
20 / 14.3
Minimum D.H.W. flow rate
l/min
2
2
Max [PMW] / Min pressure
bar
6 / 0.5
7 / 0.5
kPa
600 / 50
700 / 50
ENERGY PERFORMANCE
HEATING
Heating seasonal energy efficiency class
A
A
Heating seasonal energy efficiency
%
93
93
Sound power
dB(A)
56
53
DOMESTIC HOT WATER
Domestic hot water energy efficiency class
A
A
Domestic hot water energy efficiency
%
85
85
Stated domestic hot water profile load
XL
XL
ELECTRICAL SPECIFICATIONS
Power supply voltage
V
230
Frequency
Hz
50
Absorbed electrical power Qn max
W
85
A
Absorbed electrical power Qn min
W
52
85
Absorbed electrical power in stand-by
W
3
XL
Electrical protection degree
IP
X5D
COMBUSTION DATA
Smoke temperature at Max/Min flow (80-60°C)
°C
77 / 67
77 / 67
Smoke temperature at Max/Min flow (50-30°C)
°C
58 / 49
58 / 49
Smoke flow Max/Min
g/s
16.3 / 2.8
16.3 / 2.8
CO
2
at Max/Min flow rate (G20)
%
9.0 / 9.0
9.0 / 9.0
CO
2
at Max/Min flow rate (G31)
%
10.0 /10.0
10.0 /10.0
NOx measured
mg/kWh
37.0
33.0
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
2.96 / 0.63
3.70 / 0.63
Gas consumption at Max/Min flow rate (G31)
kg/h
2.71 / 0.46
2.71 / 0.46
Gas supply pressure (G20/G31)
mbar
19 / 36
kPa
1.9 / 3.6
(*)
NOx class according to UNI EN 15502-1:2015
(**)
Heat input calculated using the lower heat output (Hi)
