ED 15062-7 • MICROTECH II CHILLER CONTROLLER 2 www.DaikinApplied.com
Table of ConTenTs
Table of ConTenTs
Introduction..................................5
Limited Warranty .............................5
Revision History .............................5
Software Revision ............................5
Reference Documents ........................6
Chiller Models ...............................7
Controller Data Points .........................7
Protocol Denitions ...........................7
BACnet Protocol ...........................7
LONWORKS Network .......................7
Basic Protocol Information .....................8
BACnet Networks ............................8
MicroTech II Chiller Unit Controller Device Object ..9
Network Considerations......................9
LONWORKS Networks .......................10
Typical Application: Minimum Integration ........14
Set up the Unit for Network Control ............14
Setup for all Other Chillers MicroTech II Network
Control: .................................14
Display Important Data Points ................14
Comprehensive Data Point Tables ..............15
BACnet Standard Objects .....................15
Chiller Variables ...........................15
Chiller Alarm Objects .......................18
LONWORKS Variables .......................19
Network Output Variables ...................19
Network Input Variables .....................20
Network Conguration Parameters ............20
Detailed Data Point Information ................21
Active Setpoint ............................23
Actual Capacity ...........................23
Actual RPM ..............................24
Capacity Limit ............................24
Capacity Limit Output.......................25
Capacity Limit Setpoint .....................25
Chiller Enable.............................26
Chiller Enable ............................27
Chiller Limited ............................28
Chiller Local/Remote .......................28
Chiller Location ...........................29
Chiller Mode .............................29
Chiller Mode Output ........................30
Chiller Mode Setpoint.......................31
Chiller ON OFF ...........................32
Chiller Power .............................32
Chiller Status .............................33
Chiller Type ..............................34
Compressor 2 Active Capacity Limit ...........35
Compressor 2 VFD Speed ..................35
Compressor Current .......................36
Compressor Discharge Temperature ...........37
Compressor Percent RLA ...................38
Compressor Power ........................40
Compressor Run Hours .....................42
Compressor Select ........................43
Compressor Starts .........................44
Compressor Status ........................45
Compressor Suction Line Temperature . . . . . . . . . 47
Compressor Voltage .......................48