McQuay IM 743 User Manual

OM 780-2 Page 7
Reference Documents
Company Number Title
McQuay International IM781 MicroTech II Chiller System Manager Installation Manual
McQuay International IM783 MicroTech II Remote I/O Panel Installation Manual
McQuay International IM735
MicroTech II Chiller Unit Controller
LONWORKS® Communication Module
McQuay International ED15062 MicroTech II Chiller Controller Protocol Information
McQuay International ED15075 MicroTech II Chiller System Manager Protocol Information, BACnet® Networks
McQuay International ED15077 MicroTech II Chiller System Manager Protocol Information, Modbus® Networks
Tridium, Inc - Net Connect Guide
Tridium, Inc - Using the Admin Tool
McQuay International OM CentrifMicro II MicroTech II Unit Controller for Centrifugal Chillers and Templifiers Operating Manual
McQuay International IOMM WPV MicroTech II Centrifugal Chiller Installation, Operation, and Maintenance Manual
McQuay International IOMM WSCWDC-2 MicroTech II Chiller Unit Controller Installation, Operation, and Maintenance Manual
McQuay International OM AGS-1 MicroTech II Controller for AGS Chillers Operating Manual
McQuay International OM AGS-2 MicroTech II Air-Cooled Screw Chiller Operating Manual
McQuay International IMM AGS-1 MicroTech II Air-Cooled Screw Chiller Installation and Maintenance Manual
McQuay International IOMM AGZ-4 MicroTech II Air-Cooled Scroll Chiller Installation, Operation, and Maintenance Manual
McQuay International IOMM WGZ-1 MicroTech II Water-Cooled Scroll Chiller Installation Manual
All documents are available at www.mcquay.com.
Revision History
OM 780-0 January 30, 2004 First release.
OM 780-1 April 6, 2004 Minor changes prior to Chinese translation.
OM 780-1 October, 2004 Remove common supply control.
OM 780-1 November, 2004 Add hardwired chiller appendix.
OM 780-2 November, 2005 Updated the Hardware Selection field in Table 4. Added Evaporator Flow Sensor,
Condenser Flow Sensor and Solid State Starter fields to Table 5. Modified CSM Stop-
to-Start Timer description in the Hardwired Chiller Sequence of Operation section.
CSM Software ID
MicroTech II CSM software is factory installed and tested in each panel prior to shipment. The software is identified by a
program code (also referred to as the “Ident”), that is printed on a small label above the controller.
Figure 1. Key to Software Identification
MicroTech II
Universal Controller
Software Version Revision (zero then alphabetical)
MTII-UC-1-CSM01.8-6
Hardware Version (numeric)
Controller Type
Software Version (numeric)
1 = 120 Vac, 2 = 208/240 Vac
Maximum Number of Chillers
The program code is also encoded in the controller’s memory and is available for display on the CSM Configuration
Screens.

McQuay IM 743 Specifications

General

Brand	McQuay
Model	IM 743
Category	Controller
Language	English