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Daikin EWAH TZ D Series User Manual

Daikin EWAH TZ D Series
53 pages
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Original Instructions
REV
00
Date
05/2023
Supersedes
-
Telepítés, használati és karbantartási útmutató
Air cooled chiller with inverter
driven screw compressor
EWAH~TZ~D
EWAD~TZ~D
EWAS~TZ~D
EWFH~TZ~D
EWFD~TZ~D
EWFS~TZ~D
Installation, Operation and Maintenance Manual
D-EIMAC01905-23_00EN

Table of Contents

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Daikin EWAH TZ D Series Specifications

General IconGeneral
BrandDaikin
ModelEWAH TZ D Series
CategoryChiller
LanguageEnglish

Summary

1 INTRODUCTION

1.1 Precautions against residual risks

Lists safety precautions for installation, operation, and maintenance.

1.2 Description

Details the unit's function, components, and system operation.

1.3 Information about R1234ze(E) refrigerant

Provides details on the R1234ze(E) refrigerant's properties and safety.

1.4 Information about installation

Covers guidelines for safe installation in open air or machinery rooms.

2 RECEIVING THE UNIT

3 OPERATING LIMITS

3.1 Storage

Outlines precautions for storing the unit before installation.

3.2 Operation

Details operating parameters and conditions for different refrigerant types.

3.3 Corrective factors

Provides corrective factors for altitude affecting capacity and power.

4 MECHANICAL INSTALLATION

4.1 Safety

Details crucial safety measures for mechanical installation.

4.2 Handling and lifting instructions

Provides guidelines for safe handling and lifting of the unit.

4.3 Positioning and assembly

Specifies requirements for unit placement and assembly on site.

4.4 Minimum space requirements

Defines necessary clearances for ventilation and maintenance access.

4.5 Noise and sound protection

4.6 Water circuit for unit connection

Water piping

Guidelines for designing and installing water piping for the unit.

4.6.2 Kit pump option

Details the installation of the optional pump kit.

4.6.3 Flow switch option installation

Explains the installation and purpose of the flow switch.

4.6.4 Heat recovery option

Describes the heat recovery system and its operational constraints.

4.7 Water treatment

4.8 Hydronic free cooling system

Introduction and system description (P&ID)

Overview of the free cooling system and its P&ID.

Coolant quality requirements

Details the required quality standards for the coolant used.

Free cooling purge valve related

Instructions for handling the free cooling purge valve.

Operations in case of failure

Procedures for handling free cooling coil breakage.

4.9 Evaporator and heat recovery exchangers anti-freeze protection

5 ELECTRICAL INSTALLATION

5.1 General specifications

Provides general electrical specifications and compliance information.

5.2 Electrical supply

Details voltage, frequency, harmonics, and unbalance requirements.

5.3 Electric connections

Covers requirements for making electric connections to the unit.

5.4 Cable requirements

Specifies requirements for cables and earthing conductors.

5.5 Phase unbalance

Explains phase unbalance calculation and limits.

5.6 Electrical panel label description

6 OPERATOR'S RESPONSIBILITIES

7 MAINTENANCE

7.1 Routine maintenance

Details routine maintenance tasks for the chiller.

7.2 Unit Maintenance and cleaning

Specifies cleaning and maintenance for the unit and coils.

7.3 Inverter Capacitors

Information on inverter capacitors and their maintenance.

8 SERVICE AND LIMITED WARRANTY

9 FIRST START-UP CHECKS

10 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT

11 IMPORTANT INFORMATION ABOUT THE REFRIGERANT USED

11.1 Factory and Field charged units instructions

Instructions for recording refrigerant charge and calculating GWP.

12 DISMISSION AND DISPOSAL

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