Lufft WS200-UMB - Page 24; Connection to ISOCON-UMB (8160.UISO); Use of Surge Protection (8379.USP)

Operating Manual Compact Weather Station
24 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
Figure 7: Connection to
ISOCON-UMB
8.3 Connection to ISOCON-UMB (8160.UISO)
Warning: The heating voltage (red = positive heating voltage; blue = heating voltage
ground) is not connected to the ISOCON-UMB but wired direct to the power supply unit.
During installation please also refer to the operating manual for the ISOCON-UMB.
8.4 Use of Surge Protection (8379.USP)
When using surge protection (Order No.: 8379.USP), please pay attention to the connection
example in the surge protection operating instructions.
Brown: Positive voltage supply
+24V
Green: RS485
Interface A
White: Supply voltage ground
GND2
Yellow: RS485
Interface B