Specifications

Contents
Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . 4
Technology That Just Makes Sense . . . . . . . . 4
The Compressor Technology . . . . . . . . . . . . . 5
Oil-Free Design Benefits . . . . . . . . . . . . . . . . . 5
Unit Control Features. . . . . . . . . . . . . . . . . . . . 6
IPLV/NPLV Defined . . . . . . . . . . . . . . . . . . . . . 6
Quality Standards . . . . . . . . . . . . . . . . . . . . . . 7
Chiller Identification. . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical Notes . . . . . . . . . . . . . . . . . . . . . . . 10
Field Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . 11
Dimension Drawings . . . . . . . . . . . . . . . . . . . . . . . 12
Drawing Notes . . . . . . . . . . . . . . . . . . . . . . . . 12
Standard Head Connection Dimensions . . . . 23
Marine Water Box Dimensions . . . . . . . . . . . 24
Optional External Harmonic Filter Dimensions 25
Physical Data & Weights. . . . . . . . . . . . . . . . . . . . 27
Lifting and Mounting Weights . . . . . . . . . . . . 27
Physical Data - Evaporator . . . . . . . . . . . . . . 28
Physical Data - Condenser . . . . . . . . . . . . . . 28
Refrigeration Diagram . . . . . . . . . . . . . . . . . . . . . . 29
Application Considerations . . . . . . . . . . . . . . . . . 30
Location Requirements . . . . . . . . . . . . . . . . . 30
Optimum Water Temperatures and Flow . . . 30
Condenser Water Temperature. . . . . . . . . . . 31
Retrofit Knockdown . . . . . . . . . . . . . . . . . . . . 32
Options and Accessories . . . . . . . . . . . . . . . . . . . 33
Engineering Guide Specifications . . . . . . . . . . . . 35
Document: CAT 604-3
Original Issue: October 2009
Revision Issue: July 2012
Replaces: May 2012
Software Version: MST Centrifugal Chiller v. 08.0
©2012 McQuay International. Illustrations and data cover the Daikin McQuay product at the time of publication and we reserve
the right to make changes in design and construction at anytime without notice. ™® The following are trademarks or registered
trademarks of their respective companies: BACnet from ASHRAE; L
ONMARK, LonTalk, LONWORKS, and the LONMARK logo are
managed, granted and used by L
ONMARK International under a license granted by Echelon Corporation; Modbus from Schneider
Electric; MicroTech E, Open Choices from McQuay International; LEED from the U.S. Green Building Council.
Manufactured in an ISO-certified facility