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Terminology
3062438_0309
Terminology
Collector temperature
The collector temperature is the medium temperature that is
generated by insolation at the collector.
The collector temperature is measured at the flow outlet of the
collector or collector array.
DHW cylinder temperature
The cylinder temperature is the temperature that is measured in the
lower area of the cylinder at the level of the indirect solar coil.
Flow rate
The flow rate is the volume of medium that is transported by the
solar circuit pump through the solar circuit. The flow rate in is
quoted in l/min.
Yield
This is the volume of heat generated by the solar thermal system.
It is calculated from the flow rate and the temperature differential
between the collector and the return temperature. This is a value
that is added up over a certain period (day) or given as overall
total. The yield is quoted in Wh, kWh or MWh.
Output
The heat output represents the volume of heat generated during
a certain period. This value represents a momentary value and
is quoted in kW.
Solar cylinder
The solar cylinder is the cylinder that is heated up by the solar
thermal system.
Solar thermal
Heating up of the cylinder via the solar circuit pump.
Solar circuit pump
The pump that circulates the medium in the solar circuit.
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