Part 1 Network solution
3.3.1 External wiring diagram BACnet Network
BMS system BACnet comm. line
Lighting control
Remote checking
Utility control
Indoor unit : Max. 256 units (Air-conditioner & ventilation) Other BACnet devices Indoor address : 00 ~ FF
RS485 Multi V(2 Series) PI485
PMNFP14A0 (Max. 16 Indoors) / PMNFP14A1 (Max. 48 Indoors)
BNU-BAC PQNFB17B0
PI485
PMNFP14A0
or
PI485 PHNFP14A0
Simple central controller
AC Smart
Outdoor unit
Indoor unit
LGAP applied Air-conditioner
• When the address of the indoor unit of the air conditioner is duplicated with that of the ventilation unit, it will not operate normally. • Maximum of 256 units of the indoor unit (Air conditioner+Ventilation) can be connected to the BNU-BAC.
Network solution
Accessories
• Ventilation products cannot be interfaced with the simple central controller.
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