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The electrical storage water heater
declared load profile of the size "M"
The product fulfills and corresponds to the requirements of the commission regulation
standards (No 814/2013) for electrical storage water heater and achieved a water
heating energy efficiency of η
that correspond to the water heating efficiency class "C"
In accordance with AnnexⅡ Enercy Efficiency Classes article 1 of the commission
regulation (No 812/2013)
The evaluation of the result of this report with respect of conformity with the related
commission regulation (No 812/2013 and 814/2013) is only a part of the conformity
assessment to achieve the ErP-Label.
Electricity consumption Q
at 40°C（V40）
Description
k-Value
Smart control compliance
Smart control factor
Conversion coefficient
Ambient correction term
Referenct energy
Useful energy content
Correction ratio of reference and useful energy
Daily electricity consumption (measured)
Water temperature at the beginning of the 24h measurement
cycle
Water temperature at the end of the 24h measurement cycle
Storage volume
Storage volume
Daily electricity consumption (corrected)
Water heating energy efficiency
Annual Electricity Consumption
Water heating energy efficiency class
Water temperature without tapping
Average water temperature of outlet warm water
Average water temperature of inlet cold water
Normalised value of the average temperature
Volume that delivered water of at least 40°C
Calculated volume that delivered hot water of at least 40°C
JTER050
=37%
wh
、water heating energy efficiency η
elec
9
JOHNSON
of
was tested with a
and mixed water
wh
Parameter
Value
k
0.23
smart
SCF
CC
2.5
Q
-0.313
cor
Q
5.845
ref
Q
6.875
H2O
Q
Q
0.850
ref/
H2O
Q
7.508
test_elec
T3
74.8
T5
74.7
M
act
C
act
Q
6.389
elec
η
37.3
wh
1375
AEC
T
74.9
set
θ'
70.7
p
θ
10.2
c
θ
70.6
p
V
42.5
40exp
V
40
Unit
0
0
kWh
kWh
kWh
kWh
kWh
°C
°C
kg
51
51
L
kWh
kWh
C
°C
°C
°C
°C
L
86
L
V.1
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