30HZ/HZV 043-280 Water-Cooled/Condenserless Liquid Chillers

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CONTENTS1 - INTRODUCTION .......................................................................................................................................................................41.1 - Installation safety considerations ..............................................................................................................................................41.2 - Equipment and components under pressure ..............................................................................................................................41.3 - Maintenance safety considerations ............................................................................................................................................41.4 - Repair safety considerations ......................................................................................................................................................52 - PRELIMINARY CHECKS ........................................................................................................................................................62.1 - Check equipment received .........................................................................................................................................................62.2 - Moving and siting the unit .........................................................................................................................................................63 - DIMENSIONS, CLEARANCES, WEIGHT DISTRIBUTION ..............................................................................................83.1 - 30HZ/HZV 043-065 ...................................................................................................................................................................83.2 - 30HZ/HZV 091-225 ...................................................................................................................................................................83.3 - 30HZ/HZV 250-280 ...................................................................................................................................................................94 - PHYSICAL AND ELECTRICAL DATA FOR 30HZ/HZV (R407C/R22)..........................................................................104.1 - Physical data (R407C) .............................................................................................................................................................104.2 - Electrical data (R407C) ...........................................................................................................................................................104.3 - Physical data (R22) ..................................................................................................................................................................114.4 - Electrical data (R22) ................................................................................................................................................................124.5 - Power supply ............................................................................................................................................................................134.6 - Voltage phase imbalance (%) ..................................................................................................................................................134.7 - Recommended wire sections ...................................................................................................................................................145 - APPLICATION DATA .............................................................................................................................................................155.1 - Unit operating range ................................................................................................................................................................155.2 - Minimum chilled water flow ...................................................................................................................................................155.3 - Maximum chilled water flow ...................................................................................................................................................155.4 - Variable flow evaporator .........................................................................................................................................................165.5 - System minimum water volume ..............................................................................................................................................165.6 - Evaporator flow rate (l/s) .........................................................................................................................................................165.7 - Condenser water flow rates......................................................................................................................................................175.8 - Condenser water flow restrictor...............................................................................................................................................176 - WATER CONNECTIONS .......................................................................................................................................................186.1 - Operating precautions ..............................................................................................................................................................186.2 - Water connections....................................................................................................................................................................196.3 - Flow control .............................................................................................................................................................................196.4 - Condenser connections ............................................................................................................................................................196.5 - Frost protection ........................................................................................................................................................................206.6 - Refrigerant line connections (30HZV) ....................................................................................................................................206.7 - Operation of two units in master/slave mode ..........................................................................................................................24The cover illustration is for illustrative purposes only and is not part of any offer for sale or contract.2
CONTENTS (cont’d)7 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA FOR STANDARD UNITS ...........................................247.1 - Compressors .............................................................................................................................................................................247.2 - Lubricant ..................................................................................................................................................................................247.3 - Pressure vessels ........................................................................................................................................................................247.4 - Electronic expansion device (EXV) ........................................................................................................................................257.5 - Refrigerant ...............................................................................................................................................................................257.6 - High-pressure safety switch .....................................................................................................................................................257.7 - Moisture indicator ....................................................................................................................................................................257.8 - Filter drier ................................................................................................................................................................................258 - MAIN OPTIONS AND ACCESSORIES ................................................................................................................................268.1 - Units for low evaporator outlet temperature applications (options 5 and 6) ..........................................................................268.2 - Electrical protection to IP 44 (option 20) ................................................................................................................................268.3 - High- and low-pressure gauges (option 26).............................................................................................................................268.4 - Compressor oil pressure safety device ....................................................................................................................................268.5 - Condenser with copper-nickel tubes (option 33) ....................................................................................................................268.6 - RS 485 communication interface (option 148) .......................................................................................................................268.7 - Additional capacity step 30HZ/HZV 043 to 065 (option 94) .................................................................................................268.8 - Evaporator pump starter (options 84 and 84D) .......................................................................................................................268.9 - Condenser pump starter (option 84R) ......................................................................................................................................269 - MAINTENANCE ......................................................................................................................................................................279.1 - Soldering and welding .............................................................................................................................................................279.2 - Maintenance of the refrigerant circuit .....................................................................................................................................279.3 - Electrical maintenance .............................................................................................................................................................289.4 - Evaporator maintenance ..........................................................................................................................................................299.5 - Corrosion control .....................................................................................................................................................................3010 - START-UP CHECKLIST FOR 30HZ/HZV LIQUID CHILLERS ...................................................................................313
Page 1: 30HZ/HZV 043-280Water-Cooled/Conden
Page 5 and 6: Never work on any of the electrical
Page 7 and 8: CAUTION: Only use slings at the des
Page 9 and 10: 3.3 - 30HZ/HZV 250-280AB12275085033
Page 11 and 12: 4.2 - Electrical data (R407C) - (co
Page 13 and 14: 4.5 - Power supplyThe power supply
Page 15 and 16: 5 - APPLICATION DATA5.1 - Unit oper
Page 17 and 18: 5.7 - Condenser water flow rates30H
Page 19 and 20: 6.2 - Water connectionsPotentiomete
Page 21 and 22: 6.6.3 - Use of pipe sizing diagrams
Page 23 and 24: Discharge piping200100Equivalent le
Page 25 and 26: 7.3.2 - EvaporatorThe evaporator is
Page 27 and 28: 9 - MAINTENANCEDuring the unit oper
Page 29 and 30: Bar Saturated bubble Saturated dew
Page 31 and 32: 10 - START-UP CHECKLIST FOR 30HZ/HZ
Page 33 and 34: Perform TEST function (indicate pos

30HZ/HZV 043-280 Water-Cooled/Condenserless Liquid Chillers

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