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Daikin Magnitude WME Series User Manual

Daikin Magnitude WME Series
60 pages
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IOM 1266-2 • MAGNITUDE
®
MODEL WME CHILLERS 58 www.DaikinApplied.com
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Temperature/Pressure Chart
Table 35: R-134a Temperature/Pressure Chart
R-134a Temperature/Pressure Chart
°F PSIG °F PSIG °F PSIG °F PSIG
6 9.7 46 41.1 86 97.0 126 187.3
8 10.8 48 43.2 88 100.6 128 192.9
10 12.0 50 45.4 90 104.3 130 198.7
12 13.2 52 47.7 92 108.1 132 204.5
14 14.4 54 50.0 94 112.0 134 210.5
16 15.7 56 52.4 96 115.9 136 216.6
18 17.1 58 54.9 98 120.0 138 222.8
20 18.4 60 57.4 100 124.1 140 229.2
22 19.9 62 60.0 102 128.4 142 235.6
24 21.3 64 62.7 104 132.7 144 242.2
26 22.9 66 65.4 106 137.2 146 249.0
28 24.5 68 68.2 108 141.7 148 255.8
30 26.1 70 71.1 110 146.3 150 262.8
32 27.8 72 74.0 112 151.1 152 270.0
34 29.5 74 77.1 114 155.9 154 277.3
36 31.3 76 80.2 116 160.9 156 284.7
38 33.1 78 83.4 118 166.0 158 292.2
40 35.0 80 86.7 120 171.1 160 299.9
42 37.0 82 90.0 122 176.4 162 307.8
44 39.0 84 93.5 124 181.8 164 315.8
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Daikin Magnitude WME Series Specifications

General IconGeneral
RefrigerantR-134a
Dimensions (LxWxH)Varies by model
WeightVaries by model
TypeWater-Cooled Chiller
Compressor TypeCentrifugal
Energy Efficiency Ratio (EER)Up to 14.0

Summary

Introduction

General Description

Provides an overview of the Daikin Magnitude® Centrifugal Chillers, highlighting their features and design.

The Control System

Details the MicroTech® control system, including the HMI, unit controller, and compressor controllers.

Installation

Nameplates

Describes the location and purpose of various identification nameplates on the chiller unit.

Receiving and Handling

Provides instructions for inspecting and handling the chiller unit upon receipt.

Location

Specifies recommended location requirements and environmental conditions for chiller installation.

Long Term Storage

Outlines procedures and precautions for storing new or inoperative chillers.

Clearance

Details minimum clearance requirements around the unit for proper installation and service.

Mounting

Describes requirements for mounting the unit on a suitable base and ensuring it is level.

Unit Dimensions and Shipping Weight

Presents dimensional drawings and weight specifications for various WME models.

Retrofit Knockdown

Explains disassembly options for tight installation clearances and bolt-together construction.

Partial Disassembly Construction - Type B

Details the construction where components are removed and shipped separately for reassembly.

Unit Knockdown Dimensions

Provides dimensional diagrams for typical WME knockdown configurations.

Compressor Dimensions

Lists dimensions and weights for WME compressors based on model.

Compressor Rigging Requirements

Details requirements and safety precautions for rigging and lifting compressors.

Compressor Removal and Re-Attachment Instructions

Provides step-by-step procedures for removing and re-attaching a chiller compressor.

Water Piping

Covers requirements for field-installed water piping, including material and connection types.

Condenser Water Temperature Control

Discusses methods for controlling condenser water temperature for optimal chiller performance.

Relief Valves

Explains the function and installation of pressure relief valves for safety.

Field Insulation

Provides guidance on field-installing thermal insulation to reduce heat loss and prevent condensation.

Field Power Wiring

Details standard power wiring connections and electrical considerations for the chiller.

RapidRestore® and RideThrough®

Explains features that allow quick restart and operation during power loss events.

FIELD CONNECTIONS

Illustrates field wiring connections for power, options, and control systems.

Operation

Operator Responsibilities

Highlights the operator's role in understanding and maintaining the chiller's operation.

Sequence of Unit Operation

Details the general sequence of chiller operation for single and dual compressor units.

Human Machine Interface (HMI)

Describes the HMI's functions, navigation, and operation, including without the HMI.

SET Screens

Explains how to use HMI setpoint screens to adjust various operational parameters.

Procedure for Changing a Setpoint

Provides a step-by-step guide on how to change setpoints using the HMI interface.

Alarms

Describes the types of alarms (Critical and Warning) and how they are indicated and managed.

Clearing an Alarm

Explains the process for clearing alarms, auto-clear conditions, and the implications of manual clearing.

Controller Inputs and Outputs

Lists the analog and digital inputs/outputs for the unit controller.

Compressor Controller Inputs and Outputs

Details the analog inputs and digital outputs for each compressor controller.

Building Automation Systems (BAS)

Covers integration with BAS, available protocols, and communication module options.

Use with On-Site Generators

Discusses chiller compatibility with on-site generators, including sizing and power transfer.

Startup and Maintenance

Pre-Startup

Instructions for inspecting the chiller and completing pre-start checklist before startup.

Flow Switch Installation and Calibration

Details the installation, wiring, and calibration procedure for the thermal dispersion flow switch.

Chiller Maintenance

Covers essential maintenance tasks including cleaning, electrical checks, and component inspection.

Seasonal Shutdown

Provides procedures for preparing the chiller for seasonal shutdown, including draining water.

Seasonal Startup

Outlines the steps required for seasonal startup, including leak testing and electrical checks.

Maintenance Schedule

Presents a recommended maintenance schedule with frequencies for various procedures.

Appendix

Definitions

Provides definitions for technical terms and acronyms used throughout the manual.

Temperature/Pressure Chart

Presents the R-134a refrigerant temperature/pressure chart for reference.

Limited Product Warranty

Aftermarket Services

Information on obtaining parts, service, and training from Daikin Applied.

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