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Daikin Magnitude User Manual

Daikin Magnitude
70 pages
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Installation, Operation,
and Maintenance Manual
Magnitude
®
Magnetic Bearing Centrifugal Chillers
Model WMC-D, Model TMC
125 to 400 Tons (440 to 1400 kW)
HFC-134a Refrigerant
50/60 Hz
IOM 1210-7
Group: Chiller
Part Number: IOM1210-7
Date: June 2018
Supercedes: April 2018
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Daikin Magnitude Specifications

General IconGeneral
BrandDaikin
ModelMagnitude
CategoryChiller
LanguageEnglish

Summary

Installation, Operation, and Maintenance Manual

Introduction

Installation Procedures

Procedures for installing the Daikin Magnitude® Centrifugal Chillers.

Chiller Operation Guide

Guidance on operating the Daikin Magnitude® Centrifugal Chillers.

Chiller Maintenance Schedule

Recommended maintenance procedures for the chiller unit.

Pre-Start Checklist

Safety and Hazards

General Safety Warnings

Critical warnings regarding electrical hazards and component handling.

Hazard Identification Levels

Information on danger, warning, and caution classifications for hazards.

Control System Components

MicroTech® II Control System Description

Description of the MicroTech® II control system components and architecture.

Human Machine Interface (HMI) Details

Details on the Human Machine Interface (HMI) screen and its functions.

Compressor On-board Controllers

Information on the microprocessor controllers for each compressor.

Unit Controller Functionality

Details on the MicroTech® II unit controller's role in chiller operation.

Installation - Receiving and Handling

Chiller Unit Receiving and Rigging

Instructions for inspecting, handling, and rigging the chiller unit.

Installation - Compressor Handling

Compressor Rigging Requirements

Requirements for rigging the compressor using a spreader bar.

Compressor Removal and Re-Attachment

Step-by-step guide for removing and re-attaching the compressor.

Installation - Knockdown Procedures

Knockdown Disassembly and Reassembly

Instructions for disassembling and reassembling Type A and Type B knockdown units.

Installation - Site Preparation

Chiller Mounting Instructions

Instructions for mounting the chiller unit on a base.

Installation - Piping and Drains

Water Piping Connection Guidelines

Guidelines for connecting water piping to the chiller and system.

Piping Circuit Checks and Air Venting

Procedure for checking piping and venting air after installation.

Installation - Water Systems

Condenser Water Temperature Control Methods

Methods for controlling condenser water temperature for optimal chiller operation.

Cooling Tower Control Strategies

Strategies for controlling the cooling tower for system stability.

Installation - Special Features

Pressure Relief Valve Information

Information on pressure relief valves for safety and code compliance.

Installation - Piping and Wiring

Field Power Wiring and Voltage

Guidelines for field power wiring connections and voltage requirements.

Installation - Electrical and Storage

Multi-Chiller Communication Setup

Procedure for interconnecting multiple chillers via LAN.

Wiring Diagrams and Schematics

Wiring Diagrams - Controller Box

Controller Box Wiring Diagram

Wiring diagram for the chiller's controller box.

Wiring Diagrams - Power Box

Power Box Single Point Wiring Schematic

Schematic for single point power box wiring.

Chiller Operation Basics

Chiller Unit Operation Sequence

General sequence of operation for Daikin Magnitude® Model WMC chillers.

Chiller Operation Modes

HMI Interface and Status

HMI Screen Information

Alarm Indicator and Management

How to view and manage alarms displayed on the HMI.

HMI Detailed Views

HMI Setpoint Screens Overview

HMI Setpoint Configuration

Procedure for Changing Setpoints

Step-by-step guide for changing setpoints via the HMI.

HMI Setpoints - Timers

HMI Setpoints - Alarms

Configuring Alarm Setpoints

Configuration of alarm limits and shutdown setpoints.

HMI Setpoints - Economizer

HMI Setpoints - Bypass Valve

HMI Setpoints - Cooling Tower

Tower Control Strategies

HMI Setpoints - Motor

Chiller Capacity Control

Compressor Capacity Control Logic

How compressor capacity is determined and controlled.

HMI Setpoints - Modes

HMI Setpoints - Water

HMI Setpoints - LWT Reset

HMI Data Download

HMI Alarm History

Alarm History Screen Navigation

How to access and interpret the alarm history data.

Alarm and Event Classification

Possible Alarms and Events Explained

Examples and explanations of unit and compressor alarms and events.

Fault Alarms Description

Description of fault alarms that cause rapid compressor shutdown.

Alarm Categories

Controller and Events

Controller Setpoint Configuration

Maintenance Procedures

Essential Chiller Maintenance Tasks

Essential safety precautions and procedures for chiller maintenance.

Recommended Maintenance Schedule

Chiller Maintenance Schedule Overview

Recommended maintenance procedures and their frequency.

Warranty Information

Daikin Applied Limited Product Warranty

Details of the limited product warranty for Daikin Applied equipment.

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