Carrier 19PV550 Installation, Operation And Maintenance Instructions

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Carrier 19PV550 Installation, Operation And Maintenance Instructions Manual pdf 2 page image

21 - INTRODUCTION ............................................................................................................................................................................41.1 - Installation safety considerations ................................................................................................................................................ 41.2 - Equipment and components under pressure .............................................................................................................................. 51.3 - Maintenance safety considerations ............................................................................................................................................. 51.4 - Repair safety considerations .......................................................................................................................................................62 - PRELIMINARY CHECKS...............................................................................................................................................................82.1 - Check equipment received ..........................................................................................................................................................82.2 - Moving and siting the unit............................................................................................................................................................83 - DIMENSIONS, CLEARANCES......................................................................................................................................................93.1 - 19PV550 to 800...........................................................................................................................................................................93.2 - 19PV900 to 1180 .......................................................................................................................................................................104 - PHYSICAL AND ELECTRICAL DATA ........................................................................................................................................ 124.1 - Physical data .............................................................................................................................................................................124.2 - Electrical data ............................................................................................................................................................................134.3 - Short-circuit stability current for all units.................................................................................................................................... 134.4 - Compressor usage per circuit (A, B) ......................................................................................................................................... 135 - ELECTRICAL CONNECTION .....................................................................................................................................................155.1 - Power supply .............................................................................................................................................................................155.2 - Voltage phase imbalance (%)....................................................................................................................................................155.3 - Power connection/disconnect switch......................................................................................................................................... 155.4 - Recommended wire sections ....................................................................................................................................................155.5 - Power cable entry......................................................................................................................................................................165.6 - Field control wiring ....................................................................................................................................................................165.7 - 24 and 230 V power reserve for the user .................................................................................................................................. 166 - APPLICATION DATA ...................................................................................................................................................................176.1 - Operating limits for 19PV units...................................................................................................................................................... 176.2 - Minimum chilled water flow .......................................................................................................................................................176.3 - Maximum chilled water flow ......................................................................................................................................................176.4 - Condenser water flow rate .......................................................................................................................................................176.5 - Standard and optional number of water passes ........................................................................................................................ 186.6 - Min water volume and evaporator & condenser water flow rates.............................................................................................. 186.7 - Variable flow evaporator ............................................................................................................................................................186.8 - Evaporator pressure drop curves .............................................................................................................................................. 197 - WATER CONNECTIONS .............................................................................................................................................................207.1 - Operating precautions ...............................................................................................................................................................207.2 - Water connections .....................................................................................................................................................................217.3 - Flow control ...............................................................................................................................................................................217.4 - Evaporator and condenser water box bolt tightening ................................................................................................................ 217.5 - Operation of two units in master/slave mode ............................................................................................................................ 228 - UNIT WITH OPTION 322 .............................................................................................................................................................239 - UNIT OPERATION WITH OPTION 154 ....................................................................................................................................... 249.1 - Operating principle ....................................................................................................................................................................249.2 - Communication to control the drycooler .................................................................................................................................... 249.3 - Configuration of the number of fan stages and the automatic changeover of the fan stages ................................................... 249.4 - Fan stage assignment ...............................................................................................................................................................249.5 - Drycooler installation on units ...................................................................................................................................................2410 - UNIT OPERATION WITH OPTION 313 ..................................................................................................................................... 2510.1 - Operating principle ..................................................................................................................................................................2510.2 - Communication to control the drycooler .................................................................................................................................. 2510.3 - Configuration of the fans control ............................................................................................................................................ 2510.4 - Water valves ............................................................................................................................................................................2510.5 - System installations recommandation ..................................................................................................................................... 2511 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA ................................................................................................... 2611.1 - MagLev centrifugal compressor .............................................................................................................................................. 2611.2 - Pressure vessels .....................................................................................................................................................................2611.3 - Disconnect switches for power supply .................................................................................................................................... 2711.4 Electronic expansion valve (EXV) .......................................................................................................................................... 2711.5 - Moisture indicator ....................................................................................................................................................................2711.6 - Filter drier ................................................................................................................................................................................2711.7 - Sensors ...................................................................................................................................................................................27CONTENT