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Daikin WSC Service Manual

Daikin WSC
76 pages
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Installation, Operation,
and Maintenance Manual
Centrifugal Chillers
Model WSC, HSC, TSC - B Vintage
300 to 1350 Tons (1050 to 4748 kW)
R-134a or R-513A Refrigerant
60/50 Hz
IOM 1274-3
Group: Chiller
Part Number: IOM1274-3
Date: July 2023

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Daikin WSC Specifications

General IconGeneral
BrandDaikin
ModelWSC
CategoryChiller
LanguageEnglish

Summary

Introduction to Daikin Centrifugal Chillers

Manual Introduction and Scope

Provides installation, operation, and maintenance info for Daikin chillers.

Hazard Identification Information

Explains safety warnings like DANGER, WARNING, CAUTION, NOTICE.

General Description of Centrifugal Chillers

Chiller Unit Overview

Describes Daikin Applied centrifugal water chillers as self-contained, factory-tested fluid chilling units.

Installation Procedures and Guidelines

Receiving, Handling, and Nameplates

Instructions for unit inspection upon receipt, handling damage, and identifying nameplates.

Lifting and Rigging Precautions

Provides safety precautions and methods for lifting and rigging the chiller unit.

Location, Clearances, and Mounting

Specifies indoor installation requirements, clearances, and mounting guidelines.

Operating Limits and System Requirements

Details operating limits, insulation, water piping, and system components.

Cooling Tower Control Strategies

Discusses methods for controlling cooling towers and condenser pump sequencing.

Economizer and Heat Recovery Operations

Explains water side economizers and heat recovery chiller operation.

Relief Valves and Oil Coolers

Details relief valve functions and oil cooler configurations.

Field Wiring and System Integration

Covers wiring, starters, surge capacitors, BAS, generators, and power options.

Retrofit Knockdown and Dimensions

Discusses knockdown options, construction types, and dimensions for retrofits.

Rigging, Compressor, and Assembly Procedures

Provides guidelines for rigging, compressor details, and vessel/unit assembly.

Electrical and Sensor Connections

Shows connections for compressor control panels and unit controllers.

Chiller Operation and Controls

Multi-Chiller Operation and pLAN Wiring

Explains multi-chiller setup, connectability, responsibilities, and pLAN wiring.

Sequencing, Modes, and Operator Responsibilities

Covers chiller sequencing, operating modes, ice mode, and operator duties.

Unit Control and HMI Interface Operation

Details chiller enabling/disabling, HMI navigation, and screen operations.

Chiller Status and Component Details

Displays Home View, Detail Views, Evaporator, and Compressor information.

Capacity Control and Lubrication Systems

Explains capacity control, vane operation, overrides, and the lubrication system.

Component Information Displays

Shows information on condenser, expansion valve, and cooling tower parameters.

Setpoint Screens and Procedures

Guides on using HMI setpoint screens and changing setpoints.

Settings Views: Water, Modes, Motor, Tower

Details settings for water, modes, motor, and tower control strategies.

Cooling Tower Control Strategies

Details different cooling tower control strategies and their configurations.

Alarms and Timer Settings

Covers alarm setpoints, warning messages, and timer settings for chiller operation.

Commissioning and Interface Settings

Explains commissioning settings and interface options for BAS and communication.

Trend History and Alarm Management

Guides on viewing trend history, managing alarms, and downloading data.

Critical and Warning Alarms

Lists critical alarms, warning alarms, and informative messages with troubleshooting.

Controller Inputs and Outputs Overview

Details analog and digital inputs/outputs for unit and compressor controllers.

Unit Startup and Maintenance Procedures

Unit Startup, Maintenance, and Lubrication

Covers procedures for unit startup, maintenance, and lubrication system details.

Component Maintenance Procedures

Details maintenance for oil filters, refrigerant cycle, electrical systems, and cleaning.

Seasonal Operations and System Repairs

Outlines procedures for annual shutdown, startup, system repairs, and pumping down.

System Charging, Testing, and Evacuation

Provides steps for charging the system, pressure testing, leak testing, and evacuation.

Oil Analysis and Interpretation

Guides on interpreting oil analysis data, wear metals, and normal sample intervals.

Flow Switch Installation and Calibration

Details flow switch installation, mounting, wiring, setup, and volume calculations.

Maintenance Schedule and Service Programs

Outlines service programs, maintenance schedule notes, and the overall maintenance schedule.

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