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Parameter
Water heating energy efficiency class
Declared load profile
Water heating energy efficiency
Daily fuel consumption
Annual fuel consumption
Daily electricity consumption
Annual electricity consumption
Sound power level, indoors
Emissions of nitrogen oxides
2.3 Water circuit
3
2
1
UAC
outlet hot water
Gas
7
9
EAF
inlet cold water
5
Symbol
-
-
ηwh
Qfuel
AFC
Qelec
AEC
LWA
NOx
4
1
Maximum temperature thermostat
By-pass
2
3
NTC sensor
4
Exchanger
Cooled burner
5
5
6
Gas valve
7
Flow regulator
Flow switch
8
9
Filter
6
8
Value
Unit
A
-
XL
-
82,0
%
24,225
kWh
18
GJ
0,082
kWh
18
kWh
51
dB(A)
40
mg/kWh
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