The electrical storage water heater CT M 50 of the company Midea was tested with
a declared load profile of the size “M”
Description tinUeulaVretemaraP
k-Value k
Smart control compliance smart
Smart control factor SCF
Conversion coefficient CC
Ambient correction term Q
cor
kWh
Referenct energy
Q
ref
kWh
Useful energy content Q
H2O
kWh
Correction ratio of reference and useful energy Q
ref/
Q
H2O
kWh
Daily electricity consumption (measured) Q
test_elec
kWh
Water temperature at the beginning of the 24h measurement
cycle
T3
℃
Water temperature at the end of the 24h measurement cycle
T5
℃
Storage volume M
act
kg
Storage volume C
act
L
Daily electricity consumption (corrected) Q
elec
kWh
that correspond to the water heating efficiency class
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
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
elec、water heating energy efficiency ηwh and mixed water
at 40℃(V40)
“C”
η
wh=37%
Water heating energy efficiency
η
wh
Annual Electricity Consumption
AEC kWh
Water heating energy efficiency class
Description Parameter Value Unit
Water temperature without tapping
T
set
℃
Average water temperature of outlet warm water
θ'
p
℃
Average water temperature of inlet cold water
θ
c
℃
Normalised value of the average temperature
θ
p
℃
Volume that delivered water of at least 40℃
V
40exp
L
Calculated volume that delivered hot water of at least 40℃
V
40
L
10
0,23
0
0
2,5
-0,392
5,845
7,143
0,818
8,068
69,7
71,4
46.6
46.6
36,7
6,527
C
70
67,2
10,5
67,1
36,8
70
1399