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Daikin WSC079 User Manual

Daikin WSC079
58 pages
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Installation and Maintenance Manual IM 1044-2
Centrifugal Compressor Water Chillers
Group: Chillers
Part Number: 331374801
REV
0A
Date: August 2012
© 2013 Daikin Applied
Models WSC,WDC,WCC,HSC
(Includes High Voltage 10/11kV WDC/WCC models)
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Daikin WSC079 Specifications

General IconGeneral
BrandDaikin
ModelWSC079
CategoryChiller
LanguageEnglish

Summary

Installation

Receiving and Handling

Procedures for unit inspection and safe handling upon delivery.

Location and Mounting

Guidelines for site preparation and physical placement of the unit.

Water Piping

Evaporator and Condenser Water Piping

Details on connecting water lines to the unit's evaporator and condenser.

Oil Coolers

Relief Valves and Electrical System

Relief Valves

Information on safety relief valve function and data.

Power Wiring

Guidelines for connecting and sizing power wiring.

Installation Instructions for 10/11kV Motor Units

Installing Motor Terminal Box

Detailed procedure for mounting the motor terminal box.

Insulating Motor Terminals

Steps for properly insulating motor terminals.

Field Wiring, Controls & Starters

Field Control Wiring Diagram

Schematic illustrating field control wiring connections.

Multiple Chiller Setup

MicroTech II Operator Interface Touch Screen (OITS) Settings

Commissioning

Capacity Control System

Vane Operation

Explanation of how inlet vanes control compressor capacity.

Surge and Stall

Hot Gas Bypass and Condenser Water Temperature

Maintenance

Routine Maintenance

General procedures for regular maintenance tasks.

Filter Changes and Refrigerant Cycle

Annual Shutdown and Startup

Repair of System

Pressure Relief Valve Replacement

Procedure for replacing faulty pressure relief valves.

Pumping Down

Steps to safely remove refrigerant from the system.

Leak Testing

Methods for detecting refrigerant leaks.

Evacuation

Process for evacuating the system to remove contaminants.

System Charging and Oil Analysis

Charging the System

Procedure for charging the refrigerant into the system.

Maintenance Schedule

Unit Maintenance

Daily, weekly, and monthly checks for the unit.

Compressor Maintenance

Checks related to the compressor motor and lubrication.

Controls Maintenance

Checks for operating and protective controls.

Condenser and Evaporator Maintenance

Procedures for heat exchanger checks.

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