Carrier 19PV550, Installation, Operation And Maintenance Instructions

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1 - INTRODUCTION ............................................................................................................................................................................4
1.1 - Installation safety considerations ................................................................................................................................................4
1.2 - Equipment and components under pressure ..............................................................................................................................5
1.3 - Maintenance safety considerations .............................................................................................................................................5
1.4 - Repair safety considerations .......................................................................................................................................................6
2 - PRELIMINARY CHECKS ...............................................................................................................................................................8
2.1 - Check equipment received ..........................................................................................................................................................8
2.2 - Moving and siting the unit............................................................................................................................................................8
3 - DIMENSIONS, CLEARANCES ......................................................................................................................................................9
3.1 - 19PV550 to 800...........................................................................................................................................................................9
3.2 - 19PV900 to 1180 .......................................................................................................................................................................10
4 - PHYSICAL AND ELECTRICAL DATA ........................................................................................................................................12
4.1 - Physical data .............................................................................................................................................................................12
4.2 - Electrical data ............................................................................................................................................................................13
4.3 - Short-circuit stability current for all units....................................................................................................................................13
4.4 - Compressor usage per circuit (A, B) .........................................................................................................................................13
5 - ELECTRICAL CONNECTION .....................................................................................................................................................15
5.1 - Power supply .............................................................................................................................................................................15
5.2 - Voltage phase imbalance (%)....................................................................................................................................................15
5.3 - Power connection/disconnect switch.........................................................................................................................................15
5.4 - Recommended wire sections ....................................................................................................................................................15
5.5 - Power cable entry......................................................................................................................................................................16
5.6 - Field control wiring ....................................................................................................................................................................16
5.7 - 24 and 230 V power reserve for the user ..................................................................................................................................16
6 - APPLICATION DATA ...................................................................................................................................................................17
6.1 - Operating limits for 19PV units ...................................................................................................................................................... 17
6.2 - Minimum chilled water flow .......................................................................................................................................................17
6.3 - Maximum chilled water flow ......................................................................................................................................................17
6.4 - Condenser water flow rate .......................................................................................................................................................17
6.5 - Standard and optional number of water passes ........................................................................................................................18
6.6 - Min water volume and evaporator & condenser water flow rates ..............................................................................................18
6.7 - Variable flow evaporator ............................................................................................................................................................18
6.8 - Evaporator pressure drop curves ..............................................................................................................................................19
7 - WATER CONNECTIONS .............................................................................................................................................................20
7.1 - Operating precautions ...............................................................................................................................................................20
7.2 - Water connections .....................................................................................................................................................................21
7.3 - Flow control ...............................................................................................................................................................................21
7.4 - Evaporator and condenser water box bolt tightening ................................................................................................................21
7.5 - Operation of two units in master/slave mode ............................................................................................................................22
8 - UNIT WITH OPTION 322 .............................................................................................................................................................23
9 - UNIT OPERATION WITH OPTION 154 .......................................................................................................................................24
9.1 - Operating principle ....................................................................................................................................................................24
9.2 - Communication to control the drycooler ....................................................................................................................................24
9.3 - Configuration of the number of fan stages and the automatic changeover of the fan stages ...................................................24
9.4 - Fan stage assignment ...............................................................................................................................................................24
9.5 - Drycooler installation on units ...................................................................................................................................................24
10 - UNIT OPERATION WITH OPTION 313 .....................................................................................................................................25
10.1 - Operating principle ..................................................................................................................................................................25
10.2 - Communication to control the drycooler ..................................................................................................................................25
10.3 - Configuration of the fans control ............................................................................................................................................25
10.4 - Water valves ............................................................................................................................................................................25
10.5 - System installations recommandation .....................................................................................................................................25
11 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA ...................................................................................................26
11.1 - MagLev centrifugal compressor ..............................................................................................................................................26
11.2 - Pressure vessels .....................................................................................................................................................................26
11.3 - Disconnect switches for power supply ....................................................................................................................................27
11.4 Electronic expansion valve (EXV) ..........................................................................................................................................27
11.5 - Moisture indicator ....................................................................................................................................................................27
11.6 - Filter drier ................................................................................................................................................................................27
11.7 - Sensors ...................................................................................................................................................................................27
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