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Dunham-Bush WCFX 27 User Manual

Dunham-Bush WCFX 27
64 pages
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INSTALLATION,
OPERATION &
MAINTENANCE
MANUAL
Form No: MM0422A
R134aR134aR134a
50/6050/60 Hz50/60
INSTALLATION,
OPERATION &
MAINTENANCE
MANUAL
Products That Perform . . .By People Who Care
®
MODEL:
WCFX Series
ROTARY
SCREW
WATER
CHILLERS

Table of Contents

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Dunham-Bush WCFX 27 Specifications

General IconGeneral
BrandDunham-Bush
ModelWCFX 27
CategoryChiller
LanguageEnglish

Summary

General Information

Chilled Water Flow

Requirements for chilled water flow rate and control.

Water Cooled Condensers

Design considerations and water temperature control for condensers.

Installation

Water Piping Connections

Guidelines for connecting water piping, including vent/drain valves.

Electrical Wiring Precautions

Precautions and compliance requirements for field electrical wiring.

Control System Installation and Settings

Connecting and setting unit controls, including safety controls.

Start-Up Representative Request

Procedure for scheduling an authorized start-up service.

Operation

Hydraulic Capacity Control and Freeze Prevention

Systems for regulating capacity and preventing freeze damage.

Electrical

Technician Key and Menu Functions

Accessing technician-level functions like calibration and manual controls.

Compressor Control Functions Explained

Explanation of various control functions like interlocks, timers, load, and safety cut-offs.

Maintenance

Charging and Troubleshooting

Procedures for refrigerant/oil charging and common unit problems.

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