D-EIMWC01008-16_06EN - 2/40
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................................................................................................................... 9
2.1 Information about installation of systems with R134a and R513A ......................................................................... 9
2.2 Information about installation of systems with R1234ze ........................................................................................ 9
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 .................................................................................................................................... 12
4 OPERATING LIMITS ....................................................................................................................................... 13
4.1 Storing Storage ..................................................................................................................................................... 13
4.2 Operation .............................................................................................................................................................. 13
4.2.1 Options and features ................................................................................................................................... 13
4.2.2 Operation range .......................................................................................................................................... 14
5 MECHANICAL INSTALLATION ..................................................................................................................... 20
5.1 Safety .................................................................................................................................................................... 20
5.2 Moving and lifting .................................................................................................................................................. 20
5.3 Positioning and assembly ..................................................................................................................................... 20
5.4 Noise and Sound protection ................................................................................................................................. 21
5.5 Water piping .......................................................................................................................................................... 21
5.5.1 Water piping installation procedure ............................................................................................................. 22
5.5.2 Piping insulation .......................................................................................................................................... 23
5.6 Water flow and quality .......................................................................................................................................... 23
5.7 Evaporator and recovery exchangers anti-freeze protection................................................................................ 25
5.8 Before Starting ...................................................................................................................................................... 25
6 GUIDELINES FOR REMOTE CONDENSER APPLICATION (EWLD J, EWLH and EWLS versions)........ 26
6.1 Installation information for condenserless units.................................................................................................... 26
6.1.1 Precautions when handling piping .............................................................................................................. 26
6.1.2 Leak test and vacuum drying ...................................................................................................................... 26
6.1.3 Charging the unit ......................................................................................................................................... 27
6.2 Refrigerant piping design ...................................................................................................................................... 27
6.2.1 Equivalent line lenght .................................................................................................................................. 29
6.2.2 Liquid line sizing .......................................................................................................................................... 29
6.2.3 Discharge (Hot Gas) Line Sizing ................................................................................................................. 30
6.2.4 Oil charge .................................................................................................................................................... 31
7 ELECTRICAL INSTALLATION ....................................................................................................................... 32
7.1 General specifications .......................................................................................................................................... 32
7.2 Electrical supply .................................................................................................................................................... 32
7.3 Electric connections .............................................................................................................................................. 32
7.4 Cable requirements .............................................................................................................................................. 33
7.5 Phase unbalance .................................................................................................................................................. 33
8 OPERATION .................................................................................................................................................... 35
8.1 Operator’s responsibilities .................................................................................................................................... 35
9 MAINTENANCE............................................................................................................................................... 36
9.1 Routine maintenance ............................................................................................................................................ 36
10 SERVICE AND LIMITED WARRANTY ........................................................................................................... 38
11 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .............................................. 38
12 DISPOSAL ....................................................................................................................................................... 38
13 IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED.................................................... 39
13.1 Factory and Field charged units instructions ................................................................................................... 39
LIST OF FIGURES
Figure 1 - Typical refrigerant circuit .............................................................................................................................. 3
Figure 2 - Description of the labels applied to the electrical panel ............................................................................... 4
Figure 3– Lifting .......................................................................................................................................................... 20
Figure 4– Unit Levelling .............................................................................................................................................. 21
Figure 5 - Condenser located with no elevation difference ........................................................................................ 28
Figure 6 - Condenser located above the unit ............................................................................................................. 28
Figure 7 - Condenser located below the unit .............................................................................................................. 29
Figure 8 - Equivalent lenghts (in meters) .................................................................................................................... 29
