Daikin EWLD-J, Installation, Operation And Maintenance Manual, Page: 2 / 35

D-EIMWC01008-16_03EN - 2/35
CONTENTS
1 INTRODUCTION................................................................................................................................................ 5
1.1 Precautions against residual risks .......................................................................................................................... 5
1.2 Description .............................................................................................................................................................. 6
1.3 Information about the refrigerants used .................................................................................................................. 6
1.3.1 Pressure/temperature tables ......................................................................................................................... 7
2 INSTALLATION REQUIREMENTS................................................................................................................... 8
2.1 Information about installation of systems with R134a and R513A ......................................................................... 8
2.2 Information about installation of systems with R1234ze ........................................................................................ 8
2.2.1 Additional guidelines for safe use of R1234ze(E) for equipment located in the open air ............................. 9
2.2.2 Additional guidelines for safe use of R1234ze(E) for equipment located in a machinery room ................... 9
3 RECEIVING THE UNIT .................................................................................................................................... 11
4 OPERATING LIMITS ....................................................................................................................................... 11
4.1 Storing Storage ..................................................................................................................................................... 11
4.2 Operation .............................................................................................................................................................. 11
4.2.1 Options and features ................................................................................................................................... 11
4.2.2 Operation range .......................................................................................................................................... 12
5 MECHANICAL INSTALLATION ..................................................................................................................... 15
5.1 Safety .................................................................................................................................................................... 15
5.2 Moving and lifting .................................................................................................................................................. 15
5.3 Positioning and assembly ..................................................................................................................................... 16
5.4 Noise and Sound protection ................................................................................................................................. 16
5.5 Water piping .......................................................................................................................................................... 17
5.5.1 Water piping installation procedure ............................................................................................................. 17
5.5.2 Piping insulation .......................................................................................................................................... 19
5.6 Water flow and quality .......................................................................................................................................... 19
5.7 Evaporator and recovery exchangers anti-freeze protection................................................................................ 20
5.8 Before Starting ...................................................................................................................................................... 21
6 GUIDELINES FOR REMOTE CONDENSER APPLICATION (EWLD J, EWLH and EWLS versions)........ 22
6.1 Installation information for condenserless units.................................................................................................... 22
6.1.1 Precautions when handling piping .............................................................................................................. 22
6.1.2 Leak test and vacuum drying ...................................................................................................................... 22
6.1.3 Charging the unit ......................................................................................................................................... 23
6.2 Refrigerant piping design ...................................................................................................................................... 23
6.2.1 Equivalent line lenght .................................................................................................................................. 25
6.2.2 Liquid line sizing .......................................................................................................................................... 26
6.2.3 Discharge (Hot Gas) Line Sizing ................................................................................................................. 26
6.2.4 Oil charge .................................................................................................................................................... 27
7 ELECTRICAL INSTALLATION ....................................................................................................................... 28
7.1 General specifications .......................................................................................................................................... 28
7.2 Electrical supply .................................................................................................................................................... 28
7.3 Electric connections .............................................................................................................................................. 28
7.4 Cable requirements .............................................................................................................................................. 29
7.5 Phase unbalance .................................................................................................................................................. 29
8 OPERATION .................................................................................................................................................... 30
8.1
Operator’s responsibilities .................................................................................................................................... 30
9 MAINTENANCE............................................................................................................................................... 31
9.1 Routine maintenance ............................................................................................................................................ 31
10 SERVICE AND LIMITED WARRANTY ........................................................................................................... 33
11 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .............................................. 33
12 DISPOSAL ....................................................................................................................................................... 33
13 IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED.................................................... 34
13.1 Factory and Field charged units instructions ................................................................................................... 34
LIST OF FIGURES
Figure 1 - Typical refrigerant circuit .............................................................................................................................. 3
Figure 2 - Description of the labels applied to the electrical panel ............................................................................... 4
Figure 3
– Lifting .......................................................................................................................................................... 15
Figure 4
– Unit Levelling .............................................................................................................................................. 16
Figure 5 - Condenser located with no elevation difference ........................................................................................ 24
Figure 6 - Condenser located above the unit ............................................................................................................. 24
Figure 7 - Condenser located below the unit .............................................................................................................. 25
Figure 8 - Equivalent lenghts (in meters) .................................................................................................................... 25