DeDietrich AFC 30 User Manual page 49

1 Specific information
Tab.4 Weighting of boilers
Psup / (Prated + Psup)
(1)(2)
0
0.1
0.2
0.3
0.4
0.5
0.6
≥ 0.7
(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.5 Package efficiency
Seasonal space heating energy efficiency
Temperature control
Seasonal space heating energy efficiency of package
6
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.
II, package without hot water storage tank
0
0.3
0.55
0.75
0.85
0.95
0.98
1.00
II, package with hot water storage tank
0
0.37
0.70
0.85
0.94
0.98
1.00
1.00
AFC 18
% 90
% + 2
% 92
AFC 24 AFC 30
90 90
+ 2 + 2
92 92
300026440 - ErP01 - 20072015