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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004
19.8.2 CAN bus X84, X85
The O
2 module is to be connected to the basic unit via CAN bus. There are 2 terminals
for the CAN bus, X84 for the supply and X85 for the connection of the AZL5... If the O2
module is located at the end of the bus line, the CAN bus termination must be acti-
vated.
19.9 Configuration of O2 module
The connected sensors are to be configured via the AZL5...
The O2 sensor connected to terminals X81 / X89-02 must be parameterized.
Parameter: O2 Sensor (NoSensor, QGO20)
The combustion air temperature sensor connected to terminal X87 must be parameter-
ized.
Parameter: Combustion air temperature sensor (NoSensor, Pt1000, LG-
Ni1000)
The flue gas temperature sensor connected to terminal X86 must be parameterized.
Parameter: Flue gas temperature sensor (NoSensor, Pt1000, LG-Ni1000)
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