
41
18.5.
Solar Application scheme E
Loading of two
DHW
reservoirs (
A
and
B
) with loading priority for reservoir
A
.
Fig. 18.5 Application scheme E
Installation notes
1.
For the controller to count heat output, it is required to install additional CT6 sensor outside
circuits of pumps
P1
and
P2
and connect it to
T4
input. The sensor should be installed possibly
close to the
P1
and
P2
pump outlet.
2.
Circulation pump is connected to H output through a relay with contact current not lower than the
current of the circulation pump. It is recommended to use relays with two switching tracks, see
details in section 17.2.5 Output H.
3.
In the diagram the circulation pump is located on
B
tank, but its operation is not related with the
algorithm and it may be installed on
A
tank as well.
4.
With respect to night cooling mode used for the reservoir A and circulation activation for better
discharge of the container, it is recommended that circulation circuit is installed in the reservoir A.
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