Immergas VICTRIX EXA 28 1 ERP Instruction And Recommendation Booklet page 40

Facsimile for filling in domestic hot water production system package fiche.
Water heating energy efficiency of combination heater
Declared load profile:
Solar contribution
From fiche of solar device
( 1,1 x
Water heating energy efficiency of package under average climate
Water heating energy efficiency class of package under average climate
M
L
XL
XXL
Water heating energy efficiency under colder and warmer climate conditions
Colder:
Warmer:
The energy efficiency of the package of products provided far in 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 rela-
tion to building size and characteristics.
Auxiliary electricity
'I' - 10 % ) x 'II' -
G F E D
< 27 % ≥ 27 % ≥ 30 % ≥ 33 %
< 27 % ≥ 27 % ≥ 30 % ≥ 34 %
< 27 % ≥ 27 % ≥ 30 % ≥ 35 %
< 28 % ≥ 28 % ≥ 32 % ≥ 36 %
3 2
- 0.2 x =
3 2
+ 0.4 x =
'III' - 'I' =
+
C B A A A
≥ 36 % ≥ 39 % ≥ 65 % ≥ 100 % ≥ 130 %
≥ 37 % ≥ 50 % ≥ 75 % ≥ 115 % ≥ 150 %
≥ 38 % ≥ 55 % ≥ 80 % ≥ 123 % ≥ 160 %
≥ 40 % ≥ 60 % ≥ 85 % ≥ 131 % ≥ 170 %
%
%
40
1
'I'
%
2
+
%
3
%
++ +++
A
≥ 163 %
≥ 188 %
≥ 200 %
≥ 213 %
3-9