Daikin V3, Technical Manual

Page 1: ...ure Variable Capacity Scan below QR code to download latest manual from Website https drm daikinmalaysia com download V3 INVERTER SCROLL AIR COOLED SPLIT COMMERCIAL CONDENSING UNIT TECHNICAL MANUAL NO...

Page 2: ...to perform their assigned tasks properly and safely It is essential that prior to performing any task on this equipment this individual shall have read and understood this document and any referenced...

Page 3: ...D Display Button Functions 15 CONTROLLER HOME SCREEN 15 PASSWORD FOR ACCESSIBILITY LEVEL 15 CHANGING SET POINT 16 REFRIGERANT SELECTION 16 SWITCH UNIT ON OFF BY CONTROLLER 16 COMPRESSOR MODEL SELECTIO...

Page 4: ...sensors Low pressure switch adjustable default auto reset High pressure safety switch manual reset cartridge type Mains switch for isolation of incoming power supply Manual motor starter for isolatio...

Page 5: ...I 29 CABLE PRESSURE TRANSDUCER 30 SENSOR TEMPERATURE SUCTION VI 31 SENSOR TEMPERATURE DISCHARGE T 32 SENSOR TEMPERATURE AMBIENT 33 FUSE 34 VALVE SERVICE 35 VALVE DISCHARGE LINE 36 VALVE NON RETURN 37...

Page 6: ...T CU19 JAN24 1 Page 4 Figure 3 Exploded View of LRMIFS0900AXY1...

Page 7: ...and Weight Model SEPR 10K SH SPL 10m dB A Overall Dimensions mm Mounting Dimensions mm Dry Weight Gross Weight R448A R449A Width Depth Height Width Depth kgs kgs LRMIFS0300AXY1 3 03 3 03 31 3 1334 54...

Page 8: ...450 2620 60 38 COP 1 6 1 75 1 92 2 1 2 29 2 48 60 43 CC 2620 3170 3796 4504 5301 6191 60 43 PC 1787 2023 2260 2497 2733 2970 60 43 COP 1 47 1 57 1 68 1 8 1 94 2 08 80 27 CC 4116 4906 5795 6788 7891 91...

Page 9: ...35 COP 1 39 1 74 2 04 2 30 2 53 2 73 60 38 CC 4781 6356 7931 9506 11081 12679 60 38 PC 3630 3935 4240 4545 4850 5155 60 38 COP 1 32 1 62 1 87 2 09 2 28 2 46 60 43 CC 4606 5947 7289 8630 60 43 PC 3824...

Page 10: ...6100 6150 6200 6250 60 38 COP 1 03 1 26 1 48 1 87 2 26 2 64 60 43 CC 5817 6741 7664 9925 12186 14446 60 43 PC 6700 6688 6675 6663 6650 6638 60 43 COP 0 87 1 01 1 15 1 49 1 83 2 18 80 27 CC 9718 12601...

Page 11: ...Table 8 Operating Limit Operating Limits Recommendation Discharge gas temperature 1100C maximum Evaporator outlet superheat Above 6K to avoid liquid flood back Suction gas superheat at compressor inle...

Page 12: ...units regardless of short term or long term operation The units are not designed to withstand loads or stress from other equipment or personnel Such extraneous loads or stress may cause failure leak i...

Page 13: ...rap system is fitted Additional oil may be required if piping length exceeds 20m or multiple oil traps are fitted Check the oil level closely during commissioning and add oil as necessary Add oil in s...

Page 14: ...sting has been completed satisfactorily release the pressure from the system gradually and safely to external atmosphere Evacuation and Charging Moisture prevents proper functioning of the compressor...

Page 15: ...ital input Safe Torque Off STO on the drive When the STO contact is open the drive stops operating bypassing the software control Phase Sequence for Correct Compression BLDC scroll compressor requires...

Page 16: ...r R448A Type of refrigerant available for selection R448A R449A R404A Low Pressure Switch Cut In 3barg Differential 2barg Auto Reset To cut off compressor when suction pressure drops below 1barg Softw...

Page 17: ...to the setting fields in the setting fields confirms the set value and moves to the next parameter PRG Accesses the menu for selecting the group of parameters to be displayed modified access to the pa...

Page 18: ...type of refrigerant Press ENTER for execution and press DOWN button to move to the next screen 2 Cag02 Select the compressor model Refer compressor nameplate on the unit to ensure correct model is se...

Page 19: ...atible will be shown Compressor Operation Envelope management The compressor working zone in the software is defined based on the following measurements o Condensing pressure o Evaporation pressure o...

Page 20: ...ial during start up The BLDC compressor cannot start if the pressure differential is greater than 9 0barg This limit depends on the maximum current delivered by the inverter As soon as the pressure di...

Page 21: ...communication with the evaporators Serial communication allows information to be exchanged in real time between the controller and the MPXPRO devices AC Fan Speed Modulation One of the AC fans is cont...

Page 22: ...by holding down on the button ALARM until active alarm is clear is required on the 5th times of this alarm occur in an hour Low pressure setting had been configured in such a way that it is the first...

Page 23: ...o all evaporators Refrigerant charge by judging the liquid sight glass does not guarantee as 100 correct way To avoid system overcharging which can cause higher energy consumption and low compressor s...

Page 24: ...27 20 20 20 20 20 20 80 64 52 40 30 22 20 20 20 20 20 70 72 59 46 34 25 20 20 20 20 20 60 82 67 53 40 29 20 20 20 20 20 50 97 78 63 47 34 24 20 20 20 20 40 118 95 76 59 43 29 20 20 20 20 30 97 75 56...

Page 25: ...quest in case of regulat Probes fault 50 Cag43 BLDC settings Crankcase heater COMP OFF Cag43 BLDC settings Crankcase current 24 Cag43 BLDC settings STO alarm management MAN RESET Cag44 Crankcase heate...

Page 26: ...A24 Suction pressure probe broken or disconnected Automatic 60 s R1 Related functions disabled ALA25 Suction temperature probe broken or disconnected Automatic 60 s R2 Related functions disabled ALA46...

Page 27: ...drive Check the power supply voltage 5 Drive overtemperature The temperature inside the drive has exceeded the maximum level allowed Check that the quantity and flow of cooling air are regular Check t...

Page 28: ...compressed air inert gas or a low pressure sprayer utilizing clean water A suitable chemical coil cleaner may be used as required Accumulations of dirt on the condenser face can be removed with a soft...

Page 29: ...tor using the cable supplied with the power supply coming from the controller Figure 20 pCO Smart Key Appendix Table 20 Tightening Torque Model Tightening Torque Nm Compressor Mounting Main Cap Servic...

Page 30: ...T CU19 JAN24 1 Page 28 Figure 21 Outline Drawing LRMIFS0300AXY1 LRMIFS0600AXY1 Figure 22 Outline Drawing LRMIFS0900AXY1...

Page 31: ...T CU19 JAN24 1 Page 29 Figure 23 Wiring Diagram LRMIFS0300AXY1...

Page 32: ...T CU19 JAN24 1 Page 30 Figure 24 Wiring Diagram LRMIFS0600AXY1...

Page 33: ...PRESSURE SWITCH 3 15A A1P MAIN CONTROLLER N L N L IN OUT BRN GRN GRY GRY GRN YLW BLU BRN BLK M BLU BRN C2 BRN 380 415V 3N 50Hz L1L2L3PEU V WPE 1 2 3 4 5 6 7 8 910 POWER GRN YLW BRN GRY BLK BRN GRY BL...

Page 34: ...ON MALAYSIA SDN BHD 34543 W Shah Alam Plant 11A Jalan Utas 15 7 Seksyen 15 40200 Shah Alam Selangor Malaysia Banting Plant Lot 10 Jalan Perusahaan 8 Kawasan Perusahaan Pekan Banting 42700 Banting Sela...