SINGLE SCREW CHILLERS IMM
Engineered for Flexibility and Performance 1
Contents
■1. NOMENCLATURE .................................................................................................................... 3
●1.1 WATER COOLED SINGLE SCREW CHILLER (FLOODED) .................................................................... 3
●1.2 WATER COOLED SINGLE SCREW CHILLER (FALLING-FILM) .............................................................. 3
●1.3 WATER COOLED SINGLE SCREW CHILLER (NEW PLATFORM FOR ZUW-HCA) .................................. 3
■2. MAJOR COMPONENT LOCATIONS....................................................................................... 4
■3. WORKING PRINCIPLES .......................................................................................................... 8
■4. SAFETY (PLEASE FOLLOW THE FOLLOWING CONTENT STRICTLY) ........................... 10
●4.1 PRECAUTIONS DURING INSTALLATION ........................................................................................... 10
●4.3 PRECAUTIONS DURING RELOCATION AND REPAIR ......................................................................... 14
●4.4 NOTES FOR RELIEF VALVE ........................................................................................................... 15
■5. CHILLER TRANSIT ................................................................................................................ 17
●5.1 CHECKING ITEMS AFTER CHILLER ARRIVAL .................................................................................... 17
●5.2 CHILLER LIFTING ......................................................................................................................... 17
●5.3 LIFTING REQUIREMENTS OF CHILLER ........................................................................................... 17
●5.4 HORIZONTAL TRANSITING ............................................................................................................ 18
■6. INSTALLATION ...................................................................................................................... 19
●6.1 CHILLER LOCATION AND FOUNDATION ........................................................................................... 19
●6.2 KNOCKDOWN OF CHILLER ........................................................................................................... 21
●6.3 PIPING OF THE CHILLERS ............................................................................................................. 22
●6.4 ELECTRIC WORKS ...................................................................................................................... 24
■7. MATTERS TO BE CONFIRMED BEFORE TEST RUN ......................................................... 26
●7.1 INSPECT THE POWER CIRCUIT (PLEASE CONFIRM BEFORE IT BEING POWERED UP) ........................... 26
●7.2 ACKNOWLEDGEMENT OF CABLES (BEFORE BEING POWERED UP) .................................................... 26
●7.3 POWER SUPPLY CHECK ............................................................................................................... 26
●7.4 WATER SYSTEM CHECK ............................................................................................................... 27
●7.5 CHECK CHILLER .......................................................................................................................... 27
●7.6 PANEL SETTING CHECK ................................................................................................................ 28
■8. FUNCTIONS OF CHILLER .................................................................................................... 29
●8.1 AUTOMATIC CONTROL OF WATER-TEMPERATURE FOR THE CHILLERS ............................................... 29
●8.2 CHILLER CAPACITY CONTROL UNDER LOW COOLING LOAD .............................................................. 29
●8.3 LIMITS OF START/STOP ............................................................................................................... 30
■9. MAINTENANCE ...................................................................................................................... 31
●9.1 REGULAR MAINTENANCE OF PROTECTIVE DEVICE, ETC. ............................................................... 31
●9.2 PRE-MAINTENANCE ..................................................................................................................... 31
●9.3 REGULAR MAINTENANCE ............................................................................................................. 31
●9.4 MAINTENANCE CONTRACT ........................................................................................................... 31
●9.5 ABOUT REFRIGERANT AND REFRIGERATION OIL ............................................................................ 31
●9.6 ROUTINE MAINTENANCE .............................................................................................................. 32
■10. PRECAUTIONS FOR LONG-TIME STOP ........................................................................... 33
■11. OPERATING RANGE ........................................................................................................... 34
●11.1 STANDARD OPERATING ENVIRONMENT ....................................................................................... 34
●11.2 MINIMUM RETAINING WATER CAPACITY OF SYSTEM .................................................................... 34
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