II
The factor for weighting the heat output of preferential and supple
mentary 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.18 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.
13 Appendix
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EFU FF
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