McQuay WMC Service Manual

IOM 1210-1 • MAGNITUDE
®
MODEL WMC CHILLERS 2 www.DaikinApplied.com
Table of ConTenTs
Introduction..................................3
General Description ..........................4
The Control System ..........................5
Installation...................................6
Receiving and Handling .......................6
Nameplates .................................6
Location....................................6
Clearance ..................................6
Unit Dimensions and Shipping Weight ............7
Mounting ...................................8
Water Piping ................................8
Vessel Drains at Startup .......................8
Condenser Water Temperature Control ...........9
Relief Valves ...............................10
Field Insulation .............................11
Field Power Wiring ..........................11
Communication Setup for Multiple Chillers ........18
Long Term Storage ..........................18
Pre-Start Checklist ..........................19
Operation...................................20
Operator Responsibilities .....................20
Operator Schools ...........................20
Sequence of Unit Operation ...................20
Unit Enabling/Disabling .......................20
Operator Interface Touch Screen (OITS) .........21
The Controller ..............................48
Building Automation Systems (BAS) ............58
Use with On-Site Generators ..................58
Maintenance ................................59
Service Programs ...........................59
Chiller Maintenance .........................59
Seasonal Shutdown .........................59
Seasonal Startup ...........................59
Maintenance Schedule .......................60
Appendix ...................................61
Denitions .................................61
Temperature / Pressure Chart..................64
©2014 Daikin Applied. Illustrations and data cover the Daikin Applied product at the time of publication and we reserve the right to
make changes in design and construction at any time without notice.
Manufactured in an ISO 9001 & ISO 14001 certied facility
Table of ConTenTs

McQuay WMC Specifications

General

Brand	McQuay
Model	WMC
Category	Chiller
Language	English