Dunham-Bush WCFX-E Series, Manual

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INTRODUCTION
The Dunham-Bush WCFX-E Water Cooled Rotary Screw Flooded Chillers are available from 70 to
1000 TR [246 to 3517 kW]. These units are supplied with rotary screw compressors that are
backed by more than 40 years of experience. In fact, a one-year parts warranty is provided on the
entire unit at no extra cost.
All units are factory run tested before shipment.
TABLE OF CONTENTS
Page
Introduction .................................................................................................................................................................................................. 2
Nomenclature ................................................................................................................................................................................................ 2
Components .................................................................................................................................................................................................. 3
Standard Features ....................................................................................................................................................................................... 3
Unit Features ................................................................................................................................................................................................. 4
Operating Benefits ....................................................................................................................................................................................... 9
Typical Sequence of Operation .................................................................................................................................................................. 10
Physical Specifications ................................................................................................................................................................................ 11
Dimensional Data ....................................................................................................................................................................................... 13
Floor Loading Diagram ................................................................................................................................................................................ 19
Water Pressure Drop .................................................................................................................................................................................. 20
Sound Pressure Data .................................................................................................................................................................................. 26
Electrical Data ............................................................................................................................................................................................. 26
Typical Wiring Schematic ............................................................................................................................................................................ 27
Application Data .......................................................................................................................................................................................... 32
Equipment ................................................................................................................................................................................................... 34
Guide Specifications .................................................................................................................................................................................. 34
NOMENCLATURE
WC F X E 10 S AR C3R B4R Q
Condenser Code
Water-Cooled Chiller
Flooded Evaporator
Screw Compressor
Model
Electrical Code
AN - 208-230V/3PH/60HZ
AR - 460V/3PH/60HZ
AS - 575V/3PH/60HZ
CB - 380V/3PH/60HZ
Evaporator Code
S = Single Compressor
T = Two Compressors
Blank= Three Compressors
Generation
WCFX-E
Blank – Options Within The
Scope of SPEC
Q - Options Outside The
Scope of SPEC