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The electrical storage water heater CTMVD30CM of the company Midea was tested
with a declared load profile of the size "S"
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
that correspond to the water heating efficiency class
In accordance with Annex II 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 814/2019) is only a part of the conformity
assessment to achieve the ErP-Label.
Electricity consumption Q
at 40℃（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
Description
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℃
Calculated volume that delivered hot water of at least 40℃
η
=33%
wh
、water heating energy efficiency η
elec
11
"C"
and mixed water
wh
P
a
a r
m
t e
r e
V
a
u l
e
k
0.23
smart
0
SCF
0
CC
2.5
Q
-0.321
cor
Q
2.1
ref
2.335
Q
H2O
Q
Q
0.899
ref/
H2O
Q
2.907
test_elec
76.1
T3
T5
74.7
M
29.6
act
C
29.6
act
Q
2.658
elec
η
33.2
wh
555
AEC
C
Parameter
Value
T
76.8
set
θ'
70.2
p
θ
10.4
c
θ
70.1
p
V
23
40exp
V
46
40
U
n
t i
kWh
kWh
kWh
kWh
kWh
℃
℃
kg
L
kWh
%
kWh
Unit
℃
℃
℃
℃
L
L
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