D–EIMAC01905-23_00EN - 2/53
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 ................................................................................................................................ 12
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
Safety devices ..................................................................................................................................................................... 24
4.2 Handling and lifting instructions ............................................................................................................................ 25
4.3 Positioning and assembly ..................................................................................................................................... 28
4.4 Minumum space requirements ............................................................................................................................. 28
4.5 Noise and sound protection .................................................................................................................................. 31
4.6 Water circuit for unit connection ........................................................................................................................... 31
Water piping ........................................................................................................................................................................ 31
4.6.2 Kit pump option .......................................................................................................................................................... 32
4.6.3 Flow switch option installation .................................................................................................................................... 33
4.6.4 Heat recovery option .................................................................................................................................................. 33
4.7 Water treatment .................................................................................................................................................... 33
4.8 Hydronic free cooling system................................................................................................................................ 33
Introduction and system description (P&ID) ........................................................................................................................ 33
Coolant quality requirements............................................................................................................................................... 36
First operations at unit commissioning start ........................................................................................................................ 36
Free cooling purge valve related ......................................................................................................................................... 37
Operations in case of failure................................................................................................................................................ 37
4.9 Evaporator and heat recovery exchangers anti-freeze protection........................................................................ 37
5 ELECTRICAL INSTALLATION............................................................................................................................ 38
5.1 General specifications .......................................................................................................................................... 38
5.2 Electrical supply .................................................................................................................................................... 38
5.3 Electric connections .............................................................................................................................................. 38
5.4 Cable requirements .............................................................................................................................................. 39
5.5 Phase unbalance .................................................................................................................................................. 39
5.6 Electrical panel label description .......................................................................................................................... 40
6 OPERATOR’S RESPONSIBILITIES.................................................................................................................... 42
7 MAINTENANCE ................................................................................................................................................... 43
7.1 Routine maintenance ............................................................................................................................................ 43
7.2 Unit Maintenance and cleaning ............................................................................................................................ 45
Microchannel Coil maintenance .......................................................................................................................................... 46
7.3 Inverter Capacitors................................................................................................................................................ 46
8 SERVICE AND LIMITED WARRANTY ................................................................................................................ 48
9 FIRST START-UP CHECKS ................................................................................................................................ 49
10 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT................................................... 50
11 IMPORTANT INFORMATION ABOUT THE REFRIGERANT USED.................................................................. 51
11.1 Factory and Field charged units instructions ................................................................................................... 51
12 DISMISSION AND DISPOSAL ............................................................................................................................ 52
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