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2 Lonworks Gateway
BNU-LW (Lonworks Gateway)
TABLE OF CONTENTS
Safety Precautions.................................................................................................3
Overall system diagram.........................................................................................7
External wiring diagram ........................................................................................8
How to set the address for the central controller of the indoor unit
connected to BNU-LW (Lonworks Gateway).......................................................8
Communication line specification .......................................................................9
Name of each part................................................................................................10
Installation order..................................................................................................11
BNU-LW wiring order ...........................................................................................12
Air conditioner/ventilation function table..........................................................13
Air conditioner indoor unit function ...................................................................13
Ventilation indoor unit function..........................................................................14
BNU-LW remote diagnosis function...................................................................15
Setting method..................................................................................................15
Configuration ....................................................................................................16
Setting the indoor unit address..........................................................................18
Setting the indoor unit address .........................................................................18
Interfacing with simple central controller..........................................................19
Appendix...............................................................................................................20
A/C Objects.......................................................................................................20
Air conditioner control/monitoring point ............................................................21
Ventilation control/monitoring point...................................................................22
Network variables .............................................................................................23
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