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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
water 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
RADIUM50
、water heating energy efficiency η
elec
10
of
JOHNSON
=36%
wh
Paramete r
k
smart
SCF
CC
Q
-0.470
cor
Q
ref
Q
H2O
Q
Q
ref/
H2O
Q
test_elec
T3
T5
M
act
C
act
Q
elec
η
wh
AEC
T
set
θ'
p
θ
c
θ
p
V
40exp
V
40
was tested with a
and mixed
wh
Value
Unit
0.23
0
0
2.5
kWh
5.845
kWh
5.944
kWh
kWh
0.983
6.804
kWh
74.1
°C
74.6
°C
kg
50.1
50.1
L
6.662
kWh
36.1
1422
kWh
C
°C
74
°C
67.2
°C
10.4
67.2
°C
40
L
76
L
V.1
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