Daikin EWFD495TZSSD1 Bedienungsanleitung

Daikin Klimaanlage EWFD495TZSSD1

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Seite 1/65

Original Instructions

Public

REV

Date

01/2025

Supersedes

D-EIMAC01905-23_05EN

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_06EN

D–EIMAC01905-23_06EN - 2/65 
CONTENTS 
INTRODUCTION ................................................................................................................................................ 10 
1  Precautions against residual risks .................................................................................................................. 10 
2  Description ..................................................................................................................................................... 11 
3  Information about R1234ze(E) refrigerant ...................................................................................................... 11 
4  Information about installation ......................................................................................................................... 11 
RECEIVING THE UNIT ....................................................................................................................................... 14 
OPERATING LIMITS .......................................................................................................................................... 15 
1  Storage .......................................................................................................................................................... 15 
2  Operation ....................................................................................................................................................... 15 
3  Corrective factors ........................................................................................................................................... 22 
MECHANICAL INSTALLATION ......................................................................................................................... 24 
1  Safety ............................................................................................................................................................. 24 
1.1  Safety devices..................................................................................................................................................... 24 
2  Handling and lifting instructions...................................................................................................................... 25 
2.1  Safety hook ......................................................................................................................................................... 27 
2.2  Lifting shackles ................................................................................................................................................... 28 
3  Positioning and assembly .............................................................................................................................. 29 
3.1  Noise and sound protection ................................................................................................................................ 29 
3.2  Spring vibration dampers .................................................................................................................................... 30 
3.3  Fix the damper with the screw ............................................................................................................................ 30 
3.4  Adjustment .......................................................................................................................................................... 31 
4  Minumum space requirements ....................................................................................................................... 31 
5  Water circuit for unit connection ..................................................................................................................... 34 
5.1  Water piping ........................................................................................................................................................ 34 
5.2  Kit pump option ................................................................................................................................................... 35 
5.3  Flow switch option installation ............................................................................................................................. 35 
5.4  Heat recovery option ........................................................................................................................................... 35 
6  Water treatment ............................................................................................................................................. 35 
7  Evaporator and heat recovery exchangers anti-freeze protection .................................................................. 36 
HYDRONIC FREE COOLING SYSTEM ............................................................................................................. 37 
1.1  Introduction and system description .................................................................................................................... 37 
1.2  Coolant quality requirements .............................................................................................................................. 40 
1.3  First operations at unit commissioning start ........................................................................................................ 41 
1.4  Free cooling external piping installation .............................................................................................................. 44 
1.5  Free cooling purge valve related ......................................................................................................................... 46 
1.6  Operations in case of failure ............................................................................................................................... 46 
ELECTRICAL INSTALLATION .......................................................................................................................... 47 
1  General specifications .................................................................................................................................... 47 
2  Electrical supply ............................................................................................................................................. 47 
3  Electric connections ....................................................................................................................................... 47 
4  Cable requirements ........................................................................................................................................ 48 
5  Phase unbalance ........................................................................................................................................... 48 
6  LHS PANEL SPECIFICATIONS ..................................................................................................................... 49 
6.1  Product Identification .......................................................................................................................................... 49 
6.2  Directives and Standards .................................................................................................................................... 50 
6.3  Panel Terminals .................................................................................................................................................. 50 
6.4  Piping Connections ............................................................................................................................................. 50 
7  Maintenance ................................................................................................................................................... 50 
7.1  Ordinary Maintenance ......................................................................................................................................... 51 
7.2  Extraordinary Maintenance ................................................................................................................................. 51 
8  VFD LHS COMMUNICATION ........................................................................................................................ 51 
8.1  Modbus RTU Configuration ................................................................................................................................ 51 
OPERATOR’S RESPONSIBILITIES .................................................................................................................. 52 
MAINTENANCE ................................................................................................................................................. 53 
1  Routine maintenance ..................................................................................................................................... 54 
2  Unit Maintenance and cleaning ...................................................................................................................... 57 
2.1  Microchannel Coil maintenance .......................................................................................................................... 57 
2.2  Fins and tubes coil maintenance......................................................................................................................... 58 
3  Inverter Capacitors ......................................................................................................................................... 58 
SERVICE AND LIMITED WARRANTY .............................................................................................................. 60 
FIRST START-UP CHECKS .............................................................................................................................. 61 
PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .................................................. 62 
IMPORTANT INFORMATION ABOUT THE REFRIGERANT USED ................................................................. 63 
1  Factory and Field charged units instructions .................................................................................................. 63 
DISMISSION AND DISPOSAL ........................................................................................................................... 64 
 