Contents PageSafety precautions .................................................21. Introduction ....................................................31.1 Applicable Model..................................31.2 Restrictions/Cautions ...........................42. System configurations ...................................62.1 Sample system configuration ...............62.2 Group configurations............................83. Function specifications ..................................93.1 Basic Functions....................................93.2 Communication protocol specifications ....93.3 Objects ...............................................103.4 Relations between objects and controlitems ..................................................113.5 Temperature setting objects ..............153.6 Services .............................................163.7 Services per object ............................183.8 Event service specifications ...............193.9 Error Code .........................................204. Setting for power-on for the first time ..........214.1 Caution...............................................214.2 Setting up after turning on the powerfor the first time ..................................215. Starting up the BAC-HD150 ........................215.1 Starting up the BAC-HD150 ...............215.2 Restarting the BAC-HD150 ................215.3 Mode of BAC-HD150 .........................216. Switches and LED display ...........................226.1 Switch and LED locations ..................226.2 Switch types .......................................226.3 LED Types .........................................246.4 Switch Setting Display .......................256.5 BAC-HD150 Status and Mode Display ...266.6 Display Functions...............................276.7 Operation Functions...........................286.8 Error Display ......................................296.9 Recommended USB Drives ...............297. On-site adjustment steps (When BAC-HD150is connected to M-NET) ...............................307.1 On-site adjustment flowchart .............307.2 Preparation for on-site adjustment .....317.3 Step - 1 Initial setting for airconditioning system ...........................327.4 Step - 2 Test run of air conditioningsystem................................................337.5 Step - 3 Initial settings for the BAC-HD150 related items ..........................347.6 Step - 4 Test run of BAC-HD150 .......358. On-site adjustment steps (When BAC-HD150is connected to PAC-YG50ECA) .................368.1 On-site adjustment flowchart .............368.2 Preparation for on-site adjustment .....378.3 Step-1 Initial setting for air conditioningsystem................................................388.4 Step-2 Test run of BAC-HD150 .........40Air-conditioner Control SystemBM ADAPTERBAC-HD150 Instruction BookBACnet ® is a registered trade mark of ASHRAE(American Society of Heating, Refrigerating, andAir-Conditioning Engineers, INC.).