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TECHNICAL DATA
Figure 5
Water heating energy e ciency of combination heater
Declared load pro le:
Solar contribution - From che of solar device
Water heating energy e ciency of package under average climate
Water heating energy e ciency class of package under average climate
M
< 27 %
L
< 27 %
XL
< 27 %
XXL
< 28 %
Water heating energy e ciency under colder and warmer climate conditions
3
Colder:
3
Warmer:
The energy efficiency of the package of products provided for
this fiche may not correspond to its actual energy efficiency once
installed in a building, as the efficiency is influenced by further factors
such as heat loss in the distribution system and the dimensioning of
the products in relation to building size and characteristics.
58
/
G
F
E
D
≥ 27 %
≥ 30 %
≥ 33 %
≥ 27 %
≥ 30 % ≥ 34 %
≥ 27 %
≥ 30 % ≥ 35 %
≥ 28 %
≥ 32 % ≥ 36 %
2
- 0,2 x
=
2
+ 0,4 x
=
(1,1 x 'I' - 10%) x 'II' -
C
B
A
≥ 36 % ≥ 39 %
≥ 65 % ≥ 100 % ≥ 130 % ≥ 163 %
≥ 37 % ≥ 50 %
≥ 75 % ≥ 115 % ≥ 150 % ≥ 188 %
≥ 38 % ≥ 55 %
≥ 80 % ≥ 125 % ≥ 160 % ≥ 200 %
≥ 40 % ≥ 60 %
≥ 85 % ≥ 131 % ≥ 170 % ≥ 213 %
%
%
Auxiliary electricity
+
'III'
- 'I' =
+
++
+++
A
A
A
1
%
'I'
2
%
3
%
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