Transcription
Installation, Operation and Maintenance ManualInstallation, Operation and Maintenance ManualInstallation, Operation and Maintenance ManualD-EIMWC00904-14ENFrictionless Centrifugal ChillerEWWD320 C10FZXSCooling capacity from 114 to 1048 kWRefrigerant: R-134aOriginal Instructions
IMPORTANTThis Manual is a technical aid and does not represent a binding offer for Daikin.Daikin has drawn up this Manual to the best of its knowledge. The content cannot be held as explicitly or implicitlyguaranteed as complete, precise or reliable.All data and specifications contained herein may be modified without notice. The data communicated at the momentof the order shall hold firm.Daikin shall assume no liability whatsoever for any direct or indirect damage, in the widest sense of the term,ensuing from or connected with the use and/or interpretation of this Manual.The entire content is protected by Daikin copyright.WARNINGBefore starting the installation of the unit, please read this manual carefully. Starting up the unit is absolutelyforbidden if all instructions contained in this manual are not clear.Key to symbolsImportant note: failure to respect the instruction can damage the unit or compromise functioningNote regarding safety in general or respect of laws and regulationsNote regarding electrical safetyD-EIMWC00904-14EN - 2/48
Description of the labels applied to the electrical panel for1 and 2 compressors unit89Label Identification1 – Non flammable gas symbol2 – Manufacturer’s logo3 – Gas type4 – Electrical hazard symbol5 – Hazardous Voltage warning6 – Cable tightening warning7 – Water circuit filling warning8 – Lifting instructions9 – Unit nameplate dataD-EIMWC00904-14EN - 3/48
IndexGeneral information . 6Purpose of this manual . 6General description . 6Receiving the machine . 6Checks . 6Technical Specifications . 8Operating limits . 9Storage . 9Operation . 9Mechanical installation . 11Shipping . 11Responsibility . 11Safety . 11Moving and lifting. 11Positioning and assembly . 12Minimum space requirements . 12Ventilation . 13Sound protection . 13Vessel Drains at Start-up. 13Connections . 13Water piping . 13Water treatment . 14Evaporator exchangers anti-freeze protection . 14Loss of flow protection . 15Cooling Towers. 15Refrigerating circuit safety valves . 20Electrical installation . 21General specifications . 21Electrical components . 22Power Wiring . 22Field Wiring Diagram Notes . 24Control Wiring . 24VFD Line Harmonics . 24Current Harmonics . 24Voltage Harmonics . 24Line Reactors . 24Harmonic Filter . 25EMI (Electro Magnetic Interference) and RFI (Radio Frequency Interference) Filter . 25EMI . 25RFI. 25System Pumps . 25Multiple Chiller Setup. 25Communication Setup . 25MicroTech II Operator Interface Touch Screen (OITS) Settings . 27Operating Sequence. 27Operation . 28Operator’s responsibilities . 28Compressor Operation . 28System Water Volume . 28Variable Speed Pumping . 28MicroTech II Control . 28Use with On-Site Generators . 29Unit description . 29Description of the refrigeration cycle . 30Compressor . 33Pre-startup checks . 35General. 35Electrical power supply . 36Unbalance in power supply voltage . 36Prestart System Checklist . 37Operation . 38Capacity Control System . 38Surge and Stall . 38Normal Unit Startup/Shutdown . 38Shutdown . 38Startup . 38D-EIMWC00904-14EN - 4/48
Start/Stop Switching . 38Annual Unit Startup/Shutdown . 39Annual Shutdown . 39Annual Startup . 39Operating parameters . 39System maintenance.
Installation, Operation and Maintenance Manual Installation, Operation and Maintenance Manual Frictionless Centrifugal Chiller EWWD320 C10FZXS Cooling capacity from 114 to 1048 kW Refrigerant: R-134a Original Instructions Installation, Operation and Maintenance Manual D-EIMWC00904-14EN
