Introduction; Revision History; Notice; Reference Documents - Daikin MicroTech III Installation And Maintenance Manual

This manual contains information regarding the network
integration system used with MicroTech III unit controllers on
Daikin Applied chillers. It describes how to install or replace
a Modbus communication module on a MicroTech III chiller
unit controller. It also explains how to set network parameters
and establish communication between the chiller and Modbus
network.

Revision History

IM 969 January 2010
IM 969-1 October 2010
IM 969-2 July 2011
IM 969-2 March 2012
IM 969-3 January 2017
IM 969-4 March 2017
IM 969-5 January 2018

Reference Documents

Company Number
Pathfinder
Cooled Chiller Installation,
Daikin Applied IOM 1202
Operation, and Maintenance
Manual
Pathfinder Model AWV Air
Cooled Chiller Installation,
Daikin Applied IOM 1242
Operation, and Maintenance
Manual
Trailblazer
Cooled Chiller Installation,
Daikin Applied IOM 1206
Operation and Maintenance
Manual
Trailblazer Model AMZ Air
Cooled Chiller Installation,
Daikin Applied IOM 1243
Operation, and Maintenance
Manual
Magnitude Model WME, B
vintage Magnetic Bearing
IOMM
Daikin Applied Centrifugal Chiller Installation,
1033
Operation, and Maintenance
Manual
Navigator Model WWV
Water-cooled Chiller
Daikin Applied IOM 1264
Installation, Operation, and
Maintenance Manual
MicroTech III Chiller
Unit Controller Protocol
Daikin Applied ED 15121
Information, Modbus
Networks
Modbus over Serial
Modbus Line Specification and
Implementation Guide, v1.0
www.DaikinApplied.com
Initial release.
Updated screen image on p.12, updated
reference to OMM 998 to OM 1051.
Changed location of Baud Rate in Table 1.
Added Model AGZ-D.
Updated Table 1 baud rates, note at the
bottom, and default response delay time.
Updated Daikin McQuay logo and
associated references.
Updated Daikin Applied brand logo and
associated references. Updated document
part numbers. Major formatting with new
images of hardware and HMI screens.
Added Troubleshooting details.
Added AMZ chiller model to data tables,
Reference Documents, and other
associated references.
Added WME & WWV chiller models.
Title Source
Model AWS Air
®
www.
DaikinApplied.
com
www.
DaikinApplied.
com
Model AGZ Air
®
www.
DaikinApplied.
com
www.
DaikinApplied.
com
www.
DaikinApplied.
com
www.
DaikinApplied.
com
www.
DaikinApplied.
com
www.Modbus.
org

Software Revision

This document supports BSP (Board Support Package)
Modbus communication module firmware version 9.18 and all
subsequent versions until otherwise indicated.

Limited Warranty

Consult your local Daikin Applied representative for warranty
details. To find your local Daikin Applied representative, go to
www.DaikinApplied.com.

Hazardous Information Messages

Recognize Safety Symbols, Words and Labels
The following symbols and labels are used throughout this
manual to indicate immediate or potential hazards. It is the
owner and installer's responsibility to read and comply with
all safety information and instructions accompanying these
symbols. Failure to heed safety information increases the
risk of property damage and/or product damage, serious
personal injury or death. Improper installation, operation and
maintenance can void the warranty.
Cautions indicate potentially hazardous situations, which can result in
personal injury or equipment damage if not avoided.
Static sensitive components. Can cause equipment damage.
Discharge any static electrical charge by touching the bare metal inside the
control panel before performing any service work. Never unplug cables,
circuit board terminal blocks, or power plugs while power is applied to the
panel
Warnings indicate potentially hazardous situations, which can result in
property damage, severe personal injury, or death if not avoided.
Dangers indicate a hazardous situation which will result in death or
serious injury if not avoided. Electric shock hazard. Can cause personal
injury or equipment damage. This equipment must be properly grounded.
Connections and service to the MicroTech III Unit Controller must be
performed only by personnel knowledgeable in the operation of the
equipment being controlled.
This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with this instruction manual,
may cause interference to radio communications. It has been tested and
found to comply with the limits for a Class A digital device, pursuant to
part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a
commercial environment. Operation of this equipment in a residential area
is likely to cause harmful interference in which case the user will be required
to correct the interference at his or her own expense. Daikin disclaims any
liability resulting from any interference or for the correction thereof.
3 IM 969-5 • MICROTECH III CHILLER UNIT CONTROLLER
I
nTroduCTIon
CAUTION
WARNING
DANGER

NOTICE

I
nTroduCTIon