Dimplex SOLAR ST0133 - Manual (Page 13)

Technical manual
Page 13 of 72
ST0133 – A 02/09
SOLAR
Figure 10 – Thermal efficiency curve Dimplex SOLC220 flat plate collector
Figure 10 shows that the higher the temperature difference between the collector mod-
ule and the ambient is, the lower is the efficiency of the product. Due to the required
operating conditions of various applications (see Figure 1) the collector has to operate
at varying efficiencies.
In general central heating support applications are not recommended with solar thermal
except if the whole system is especially designed for the application offering all the re-
quired features such as collector orientation, storage, heating operating temperatures,
heating demand and others.
Beside the thermal efficiency of the solar collector various other parameters are of im-
portance for the correct application thereof. All of these parameters are determined in
accordance with EN12975 and some of them are detailed in Figure 25, Technical details
Dimplex SOLC220.
4.1.2 Hydraulic collector connection
The hydraulic integration of the solar thermal collector in the overall system is critical to
ensure the most efficient and reliable operation of the installation. When integrating the
collector, the following aspects have to be considered:
- installation space availability