LG Electronics PRHR040 BNU-BN Building network unit- BACnet, BNU-BN for the use in BACnet, Wiring

61799 LG Multi V Catalogue 9/5/07 9:18 am Page 97

Network solution

BNU-BN(Building network unit- BACnet )

BNU-BN (for the use in BACnet)

PQNFB17B0

Features

•Through embedded web control function in BACnet one can access the airconditioner and external devices through internet.

•It can control 256 indoor units. ( A/C or Ventilator )

•External devices such as fire alarm, motion detector can be connected to gateway and their function can be interlinked with airconditioner operation.

Controlling	Monitoring items
On/Off command	On/Off status report
Operation mode setting	Operation mode status report
Fan Speed setting	Fan Speed status report
Lock setting	Lock status report
Air flow setting	Air flow status report
Set temp. setting	Set temp. status report
User mode setting (for only ventilator)	Current Space temp. status report
	Error status report
	User mode status report (for only ventilator)

solution Network

•Additional accessory

Interface unit (PI485) : PMNFP14A0 (for 1 outdoor with Max. 16 Indoors)

PMNFP14A1 (for 1 outdoor with Max. 48 Indoors)

•Wiring

BACnet

Network

BNU-BN

PQNFB17B0

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	PI485
	PI485

	PHNFP14A0	Ventilation
	Outdoor unit	Indoor unit
Simple central		LGAP applied Air-conditioner
controller

Air Conditioning System _97