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Solar control units
(cont.)
If the consumer cannot be heated with priority, the next consumer in
line will be heated for an adjustable cycle time. After this time has
expired, the solar control unit checks the rise of the collector temper-
ature during the adjustable cyclical pause. As soon as the start con-
ditions for the consumer with priority have been met, that consumer
will be heated again. Otherwise, the next-in-line consumers will con-
tinue to be heated.
Relay kick with solar control module
If the pumps and valves have been switched off for 24 hours, they are
started for approx. 10 s to prevent them seizing up.
Relay kick with Vitosolic 200
If the pumps and valves have been switched off for 24 h, they are
started for approx. 10 s to prevent them seizing up.
SD module with Vitosolic 200
SD module to be provided on site with a memory capacity ≤ 2 GB and
file system FAT16
Note
Never use SD-HD modules.
VITOSOL
The SD module is inserted into the Vitosolic 200.
■ To record the operating values of the solar thermal system.
■ Saving the values to the module in a text file. This may, for example,
be opened in a tabular calculation program. The values can therefore
also be visualised.
10
VIESMANN
51
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