
Electrical connections
The power supply has to be connected to and . is considered as system
ground. The same ground reference has to be used for the CF3-D unit and for the
DDC/signal receiver.
PLEASE NOTE!
The same ground reference has to be used for the
CF3-D
unit and for the control system!
Standard
settings
Settings of
this sensor
Power ground
20%), 2W
24 VAC/DC-
System voltage
Out(2)
output 1 (+)
Analogue
output 2 (+)
2,0…10,0 VDC or
4,0 … 20,0 mA
0,9…1,6 VDC or
1.5 to 2,5 mA
0 VDC or 0mA
2
0-2000 ppm CO
2
Status = ERROR
Status = NOT
Table I. Connections of the main terminal of CF3-D
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