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McQuay WDC

McQuay WDC
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Product Manual
PM WSCWDC
Group: Chiller
Date: October 1999
Supersedes: PM PEH/PFH-1
© 1998 McQuay International
Centrifugal Compressor Water Chillers
THE DISTINCTION SERIES
Model WDC, Dual Compressor, 160 to 2700 Tons (560 to 9500 kW)
Model WSC, Single Compressor, 80 to 1300 Tons (280 to 4550 kW)
HFC 134a, The Global Refrigerant of Choice
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McQuay WDC Specifications

General IconGeneral
BrandMcQuay
ModelWDC
CategoryChiller
LanguageEnglish

Summary

Design Advantages

Dual Compressor Design

Explains the benefits of dual compressor chillers over single compressor designs.

Compressor Design

Gear Drive Offers Greater Operating Efficiency

Compares gear drive to direct drive for efficiency.

Single Stage Simplicity = Savings

Argues for single-stage design benefits in efficiency and savings.

Technical Details

Speed-Rpm and Tip Speed in Centrifugal Compressors

Clarifies the facts about compressor speed and tip speed.

Key Chiller Components and Features

SurgeGard Protection

Details the compressor protection system against surge damage.

WDC Design Features

Redundancy Feature

Explains the dual compressor redundancy and its benefits.

WDC Chiller Controls

Details the MicroTech control system for WDC chillers.

System Control and Integration

MicroTech Control Features

Overview of MicroTech control system features and benefits.

Electrical Systems

Motor Starters

Discusses different types of motor starters for chillers.

Control Panel

Details the microprocessor-based control panel features.

Specifications and Execution

Specifications

Technical specifications for centrifugal chillers.

PART 1 - GENERAL

General section covering design and requirements.

PART 2 - PRODUCTS

Details about the chiller components and acceptable manufacturers.

PART 3- EXECUTION

Procedures for installation and start-up of the chiller.

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