Description:This determines whether the temperature of the main or the return is to be controlled.

The TypeDefinition is MultiStateValueDiscreteType, so the Properties EnumValues and ValueAsText must be filled with the supported values out of Table 8.

Table 8 – Values for InternalMeasuringPoint

EnumValue	ValueAsText	Description
0	MAIN_LINE	Control of the forward flow temperature
1	RETURN_LINE	Control of the return flow temperature