Afriso South Africa (Pty) Ltd
Differential temperature controllers for solar collectors
Solar controller SR1
Designed for manual or automatic control of solar systems for water heaters with one hot water circuit.
In automatic mode, the pump is switched on when the temperature difference between the collector and the storage tank has reached the adjustable value Δ T. If Δ T is below the set value or if the maximum tank temperature Tmax. (adjustable) is reached, the pump is switched off and there is no further charging.
The digital display of the solar controller displays one of three selectable temperatures. The solar controller consists of a control unit and a maximum of 3 temperature probes (2 probes are supplied with the system). The control unit and the probes are connected by two-core signal cables (maximum length 50 m). Two probes detect the temperatures necessary to control the collector (TK) and the storage tank (TS). A third probe can be connected to display the temperature of an additional measuring point (TM) (e.g. buffer tank).
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