Daikin EWLS240J-SS Bruksanvisning

Daikin kylsystem för dator EWLS240J-SS

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Sida 1/39

Original Instructions

REV

Date

01/2023

Supersedes

D-EIMWC01008-16_04EN

Installation, Operation and Maintenance Manual

EWWD (EWLD) – J

EWWH (EWLH) – J

EWWS (EWLS) – J

Installation, Operation and Maintenance Manual

D-EIMWC01008-16_05EN

D-EIMWC01008-16_05EN - 2/39 
CONTENTS 
INTRODUCTION................................................................................................................................................ 5 
1  Precautions against residual risks .......................................................................................................................... 5 
2  Description .............................................................................................................................................................. 6 
3  Information about the refrigerants used .................................................................................................................. 6 
3.1  Pressure/temperature tables ......................................................................................................................... 7 
INSTALLATION REQUIREMENTS................................................................................................................... 9 
1  Information about installation of systems with R134a and R513A ......................................................................... 9 
2  Information about installation of systems with R1234ze ........................................................................................ 9 
2.1  Additional guidelines for safe use of R1234ze(E) for equipment located in the open air ............................. 9 
2.2  Additional guidelines for safe use of R1234ze(E) for equipment located in a machinery room ................. 10 
RECEIVING THE UNIT .................................................................................................................................... 12 
OPERATING LIMITS ....................................................................................................................................... 13 
1  Storing Storage ..................................................................................................................................................... 13 
2  Operation .............................................................................................................................................................. 13 
2.1  Options and features ................................................................................................................................... 13 
2.2  Operation range .......................................................................................................................................... 14 
MECHANICAL INSTALLATION ..................................................................................................................... 18 
1  Safety .................................................................................................................................................................... 18 
2  Moving and lifting .................................................................................................................................................. 18 
3  Positioning and assembly ..................................................................................................................................... 18 
4  Noise and Sound protection ................................................................................................................................. 19 
5  Water piping .......................................................................................................................................................... 19 
5.1  Water piping installation procedure ............................................................................................................. 20 
5.2  Piping insulation .......................................................................................................................................... 21 
6  Water flow and quality .......................................................................................................................................... 22 
7  Evaporator and recovery exchangers anti-freeze protection................................................................................ 23 
8  Before Starting ...................................................................................................................................................... 23 
GUIDELINES FOR REMOTE CONDENSER APPLICATION (EWLD J, EWLH and EWLS versions)........ 24 
1  Installation information for condenserless units.................................................................................................... 24 
1.1  Precautions when handling piping .............................................................................................................. 24 
1.2  Leak test and vacuum drying ...................................................................................................................... 24 
1.3  Charging the unit ......................................................................................................................................... 25 
2  Refrigerant piping design ...................................................................................................................................... 25 
2.1  Equivalent line lenght .................................................................................................................................. 27 
2.2  Liquid line sizing .......................................................................................................................................... 28 
2.3  Discharge (Hot Gas) Line Sizing ................................................................................................................. 28 
2.4  Oil charge .................................................................................................................................................... 29 
ELECTRICAL INSTALLATION ....................................................................................................................... 30 
1  General specifications .......................................................................................................................................... 30 
2  Electrical supply .................................................................................................................................................... 30 
3  Electric connections .............................................................................................................................................. 30 
4  Cable requirements .............................................................................................................................................. 31 
5  Phase unbalance .................................................................................................................................................. 31 
OPERATION .................................................................................................................................................... 33 
1  Operator’s responsibilities .................................................................................................................................... 33 
MAINTENANCE............................................................................................................................................... 34 
1  Routine maintenance ............................................................................................................................................ 34 
SERVICE AND LIMITED WARRANTY ........................................................................................................... 37 
PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .............................................. 37 
DISPOSAL ....................................................................................................................................................... 37 
IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED.................................................... 38 
1  Factory and Field charged units instructions ................................................................................................... 38 
 
 
LIST OF FIGURES 
 
Figure 1 - Typical refrigerant circuit .............................................................................................................................. 3 
Figure 2 - Description of the labels applied to the electrical panel ............................................................................... 4 
Figure 3– Lifting .......................................................................................................................................................... 18 
Figure 4– Unit Levelling .............................................................................................................................................. 19 
Figure 5 - Condenser located with no elevation difference ........................................................................................ 26 
Figure 6 - Condenser located above the unit ............................................................................................................. 26 
Figure 7 - Condenser located below the unit .............................................................................................................. 27 
Figure 8 - Equivalent lenghts (in meters) .................................................................................................................... 27 
   