I
The value of the seasonal space heating energy efficiency of the
preferential space heater, expressed in %.
II
The factor for weighting the heat output of preferential and
supplementary heaters of a package as set out in the following
table.
III
The value of the mathematical expression: 294/(11 · Prated),
whereby "Prated" is related to the preferential space heater.
IV
The value of the mathematical expression 115/(11 · Prated),
whereby "Prated" is related to the preferential space heater.
Tab.54 Weighting of boilers
II, package without hot water storage tank
II, package with hot water storage tank
0
0
0
0.1
0.3
0.37
0.2
0.55
0.70
0.3
0.75
0.85
0.4
0.85
0.94
0.5
0.95
0.98
0.6
0.98
1.00
≥ 0.7
1.00
1.00
(1) The intermediate values are calculated by linear interpolation between the two adjacent values.
(2) Prated is related to the preferential space heater or combination heater.
Tab.55 Package efficiency
CFU 36
F30
CFU 46
F30
Seasonal energy efficiency of the package for space heating combined with E-Pilot
%
11 Appendix
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CFU
37
