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