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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Description of the heating engineer settings 15.07.2002
4
1
2
3
B10
B70
2379S27
B70 Cascade return temperature sensor
The meaning of the temperature measured at B70/B4 is defined by setting 1 (cascade
return temperature sensor) on operating line 97.
– – –
Sensor with open-circuit, no sensor connected, or sensor incorrectly
defined
0 0 0 Sensor with short-circuit
Important
Special displays