DeDietrich MPX 24 COMPACT - TECHNICAL PARAMETERS

21
INSTALLER Section (en)
7679433.01 (3-06/17)
21. TECHNICAL PARAMETERS
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DE DIETRICH MPX
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24
COMPACT
20/24 MI
COMPACT
24/28 MI
COMPACT
28/33 MI
COMPACT
Condensing boiler Yes Yes Yes Yes
Low-temperature boiler
(1)
No No No No
B1 boiler No No No No
Cogeneration space heater No No No No
Combination heater No Yes Yes Yes
Rated heat output Prated kW 24 20 24 28
Useful heat output at rated heat output
and high temperature regime
(2)
P
4
kW 24.0 20.0 24.0 28.0
Useful heat output at 30% of rated heat
output and low temperature regime
(1)
P
1
kW 8.0 6.7 8.0 9.4
Seasonal space heating energy efficiency
ƞ
s
% 93 93 93 93
Useful efficiency at rated heat output and
high temperature regime
(2)
ƞ
4
% 87.9 88.0 87.9 88.1
Useful efficiency at 30% of rated heat
output and low temperature regime
(1)
ƞ
1
% 98.0 98.0 98.0 98.1
Auxiliary electricity consumption
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Full load
elmax
kW 0.042 0.030 0.042 0.041
Part load elmin kW 0.013 0.013 0.013 0.013
Standby mode
P
SB
kW 0.003 0.003 0.003 0.003
Other items
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Standby heat loss
P
stby
kW 0.035 0.035 0.035 0.040
Ignition burner power consumption
P
ign
kW 0.000 0.000 0.000 0.000
Annual energy consumption
Q
HE
GJ
74 62 74 87
Sound power level, indoors
L
WA
dB 52 49 48 53
Emissions of nitrogen oxides
NO
X
mg/kWh 16 15 17 15
Domestic hot water parameters
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Declared load profile XL XL XXL
Daily electricity consumption
Q
elec
kWh 0.162 0.232 0.214
Annual electricity consumption AEC kWh 36 51 47
Water heating energy efficiency
ƞ
wh
% 88 86 87
Daily fuel consumption
Q
fuel
kWh 21.780 22.470 27.820
Annual fuel consumption AFC GJ 17 17 22
(1) Low temperature means for condensing boilers 30°C, for low temperature boilers 37°C and for other heaters 50°C return temperature
(at heater inlet).
(2) High temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.