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Technical manual
Page 47 of 72
ST0133 – A 02/09
SOLAR
5 System sizing
5.1 Required information
The sizing of solar thermal systems depends on a number of factors which require the
use of solar simulation software to allow reliable solar fraction predictions. The informa-
tion required to reliably specify a domestic solar thermal hot water system is shown in
Figure 49.
Figure 49 – Required information for domestic solar thermal hot water system sizing
It can be seen from Figure 49 that the suitability of solar thermal depends primarily on
the user and the local conditions.
5.2 Sizing guide