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Water-cooled water chillers with stepless compressor rotation 
speed 

 

EWWD - VZ 

Cooling capacity from 500 to 2100 kW 

50Hz - Refrigerant: HFC R134a 

 

 

 

 

 

Original Instructions 

 

 

Installation, maintenance and operating manual 

D

–EIMWC003D01-17EN-AR 

Summary of Contents for EWWD VZ Series

Page 1: ...ter chillers with stepless compressor rotation speed EWWD VZ Cooling capacity from 500 to 2100 kW 50Hz Refrigerant HFC R134a Original Instructions Installation maintenance and operating manual D EIMWC...

Page 2: ...0 Evaporator 20 Condenser 20 Expansion valve 20 Compressors 20 Oil management system 21 Oil recovery system 22 Electrical Control Panel 22 Compressor alternation 24 High pressure condensation control...

Page 3: ...D EIMWC003D01 17EN AR 3 80 Description of the labels applied to the unit Single circuit unit...

Page 4: ...olenoid valve 1 8 VR 5 Evaporator entering water temperature sensor 17 High pressure switch 6 Air purge 18 Discharge temperature sensor 7 Water drain 19 Oil Pressure Transducer 8 Liquid line shut off...

Page 5: ...ic panel Single circuit unit Double circuit unit Identification of labels 1 Manufacturer s logo 6 Wire tightness check 2 Electricity warning 7 Shutoff valve position 3 Emergency button 8 Shock hazard...

Page 6: ...re reliable All operating safety and control systems are factory installed in the control panel The instructions in this manual apply to all models of this series unless otherwise indicated Applicatio...

Page 7: ...ntly installed Even the anti vibration pads optional are shipped separately Make sure these items if required are delivered with the unit Use extreme caution when handling the unit to prevent damage t...

Page 8: ...D EIMWC003D01 17EN AR 8 80 Lifting instructions Single circuit unit Double circuit unit Fig 1 Lifting instructions...

Page 9: ...pe plate to allow replacement if necessary Fig 2 Unit positioning The machine position should be designed to ensure access to all the safety and control devices Never cover the safety devices safety v...

Page 10: ...amage to the controller electronic boards 2 Grounding must be done correctly to avoid damage to the electronic controller Some pressure couplings are included on both the inlet and outlet of the excha...

Page 11: ...ating joints at both pump inlet and outlet In most cases it is not necessary to install anti vibration joints on condenser pipe inlet and outlet but where the noise and vibration are critical for exam...

Page 12: ...neous operating conditions high evaporator inlet water temperature and high condenser inlet water temperature may be inhibited Glycol must be used for all applications with the evaporator outlet fluid...

Page 13: ...tlet water temperature CLWT Condenser outlet water temperature Ref 1 Standard unit Ref 2 Brine version standard unit option 08 Ref 3 Standard unit with High Temperature Kit Option 111 Ref 4 Standard u...

Page 14: ...as the compressor stop time and the admissible temperature difference between the last compressor stop and start In this regard the minimum water content calculated refers to the machine operations i...

Page 15: ...d the unit remains off waiting load If this happens 1 Turn off the condenser water pump when the compressor is off 2 Check that the liquid line expansion valve is working properly Condensation control...

Page 16: ...g the condenser is less than 20 C A service valve with pressure outlet is provided on the condenser sleeve for this purpose The valve must modulate its opening according to condensing pressure When th...

Page 17: ...o be connected to the safety valves Open the isolation and or shut off valves Before powering the machine and thus starting the compressors open all valves that were closed at the factory for shipping...

Page 18: ...purpose of the water flow switch interlock is to prevent the compressor from running for enough time to let the two evaporator and condenser water pumps to operate and ensure the correct water flow T...

Page 19: ...connected to the heat exchanger inlet The unit is equipped with high pressure safety pressure switches on each compressor which stop it when triggered when the pressure exceeds the set value If trigge...

Page 20: ...lt at this point is a mixture of liquid and gas at low pressure and temperature poor in heat which is introduced into the evaporator The liquid vapor refrigerant after being evenly distributed along t...

Page 21: ...among the four available positions 3 solenoids are evident on the compressor which directly connected to the machine controller are powered according to the operating compression ratio Oil management...

Page 22: ...ted during system commissioning phases and or during operation at partial loads The liquid injection kit is standard when the High temperature kit is required Oil recovery system Each circuit is provi...

Page 23: ...t High oil pressure differential Low pressure System safeties Antifreeze Correct phase sequence and phase failure Low pressure pressure switch Evaporator flow switch Regulation type PID regulation Pro...

Page 24: ...bridge supply This condition interrupts the compressor power supply inverter output in accordance with EN 60204 1 stop category 0 as required by the PED directive Pressure Equipment Directive The pre...

Page 25: ...or two electronic expansion valves according to the number of compressors installed on the machine The valves are managed and controlled by the main electronic controller that optimizes the flow of r...

Page 26: ...D EIMWC003D01 17EN AR 26 80 Fig 6 Typical single circuit cooling circuit...

Page 27: ...id injection solenoid valve optional liquid injection 11 Jet pump feed valve 12 Jet pump 13 Jet pump suction valve 14 Jet pump suction filter 15 Oil injection valve 16 Oil injection solenoid valve 17...

Page 28: ...ating with the correct refrigerant charge you should check the following 1 Bring the machine to maximum load conditions 2 Ensure that the evaporator outlet water temperature is in the range of 6 to 8...

Page 29: ...system in the cooling water system at each inspection Seasonal maintenance Before you turn off the unit for a long period of time and starting it again proceed as follows Seasonal shutdown 1 Where the...

Page 30: ...ance value measured keeps track of insulation deterioration All new units have a resistance over 100 Mega Ohm between each motor terminal and grounding 1 Check and tighten all electrical connections 2...

Page 31: ...ntinuous from first system start Full inspection must be made after three or four weeks of normal operation and continue regularly Daikin Applied Europe offers a variety of maintenance services throug...

Page 32: ...tor current X E Check internal compressor X II Checks A Operating checks Check settings and operation X Check shutter and operating settings X Check load balancing X B Protection checks Function test...

Page 33: ...X Pipe connections X Oil joints and connections X Exchanger safety valves X C Vibration isolation Test X D General appearance Paint X Insulation X VII Starter A Check Inverter X B Test Electrical conn...

Page 34: ...lve damper etc Water circuit and flow balance operations Electrical network Power cables connected to the electrical panel Wired pump starter and interlock Wired cooling tower fans and controls Electr...

Page 35: ...l fall under category IV of the classification determined by the European Directive 2014 68 EC PED For chillers in that category some local regulations require a periodic inspection by an authorized a...

Page 36: ...re Refrigerant type R134a GWP 1 value 1430 1 GWP Global Warming Potential The amount of refrigerant is indicated on the nameplate with the unit name It is possible that periodic inspections are necess...

Page 37: ...igerant charge Factory Field h Greenhouse gas emission of the total refrigerant charge expressed as tonnes of CO2 equivalent m Refrigerant type n GWP Global Warming Potential p Unit serial number 2 Th...

Page 38: ...ses from polluting the environment using suitable pressure vessels and means to transfer the pressurized fluid This operation must be carried out by personnel trained in refrigeration plants and in ac...

Page 39: ...nts UNI EN 378 1 2012 UNI EN 378 2 2012 UNI EN 378 4 2012 Safety and environmental requirements design construction testing marking and documentation UNI EN 13136 2007 Methods for calculation pressure...

Page 40: ...pecifications contained herein are liable to change without notice Refer to the data communicated at the time of the order Daikin Applied Europe S p A cannot be held liable for direct or indirect dama...

Page 41: ...EIMWC003D01 17EN AR 41 80 EWWD VZ 055 0055 05 HFC R134a D EIMWC003D01 17EN AR...

Page 42: ...0 60 60 61 61 62 63 63 63 64 64 64 67 68 68 68 70 71 73 74 75 77 78 0 Errore Il segnalibro non definito 0 Errore Il segnalibro non definito 3 Errore Il segnalibro non definito 4 Errore Il segnalibro n...

Page 43: ...D EIMWC003D01 17EN AR 43 80...

Page 44: ...EIMWC003D01 17EN AR 44 80 0 03 0 04 VVR 3 0 3 00 VVR 0 4 4 06 VVR 0 1 0 07 6 01 7 01 1 05 1 00 05 00 00 03 00 04...

Page 45: ...D EIMWC003D01 17EN AR 45 80 0 6 0 7 3 1 4 1 0 05...

Page 46: ...EIMWC003D01 17EN AR 46 80 Daikin EWWD VZ 055 0505 0005 0055 R134a EWWD VZ Daikin Daikin EWWD VZ PED...

Page 47: ...EIMWC003D01 17EN AR 47 80 0 00 Daikin Applied Europe S p A Daikin Applied Europe S p A...

Page 48: ...EIMWC003D01 17EN AR 48 80 0...

Page 49: ...EIMWC003D01 17EN AR 49 80 0 0 3 4 0 6 7 0 EN378 EN13136 EN378 3 A EWWD450 C11VZ 3 0 EWWDC13 C21VZ 4 0...

Page 50: ...EIMWC003D01 17EN AR 50 80 Daikin 00 Victaulic 3 4 0 0...

Page 51: ...EIMWC003D01 17EN AR 51 80 5 05 Daikin Applied Europe...

Page 52: ...EIMWC003D01 17EN AR 52 80 EWWD VZ 3 05 00 05 00 60 00 4 05...

Page 53: ...EIMWC003D01 17EN AR 53 80 TWLE TWLE 0 0 51 3 000 4 000 51...

Page 54: ...EIMWC003D01 17EN AR 54 80 EWWDxxxVZ EWWD 450 C11 EWWD C13 C21 3 3 0 0 6 6 0 5 6 6 0 5 EWWD450 C11 EWWDC13 C21 EWWDC11VZ XS 055 0503 0503 x 3 3 3470 0503 x 6 6 6105 0503 x 6 6 6105 05 05 05 05...

Page 55: ...EIMWC003D01 17EN AR 55 80 4 0 6 6 Daikin Applied Europe SpA 3 4 05 05 5 05 3 0 0 0 0...

Page 56: ...EIMWC003D01 17EN AR 56 80 05 4 0 0 3 4 0 0 0 3 0 4...

Page 57: ...EIMWC003D01 17EN AR 57 80 EWWD VZ R134a EN13136 6 7 1 1 05 Daikin Applied Europe S p A 0 Vm x 100 Vx Vm Vx Vm 313 316 310 313 316 310 317 3 310 317 x 100 0201 0 317...

Page 58: ...EIMWC003D01 17EN AR 58 80 05 EWWD VZ 035 Q0 Daikin Applied Europe 0 35 EWWD VZ...

Page 59: ...EIMWC003D01 17EN AR 59 80 Daikin Daikin Daikin VVR...

Page 60: ...EIMWC003D01 17EN AR 60 80 supercap EWWD VZ 145 04 4155 15 VVR VVR 3...

Page 61: ...EIMWC003D01 17EN AR 61 80 055 0 0 Daikin Mobil EAL Artic 220H Daikin EWWD VZ Venturi 3 4...

Page 62: ...EIMWC003D01 17EN AR 62 80 0 PID niaiaD TLLnD WE TLLn WE HP...

Page 63: ...EIMWC003D01 17EN AR 63 80 IGBT EN 60204 1 5 PED d e f...

Page 64: ...75 05 07 6 0 34 05 4 70 46 05 15 70 00 03 4 0 03 00 0 51 41 00 03 74 00 03 0 0 70 04 0 46 05 00 01 76 03 06 5 0 13 06 0 10 00 03 10 71 04 03 0 0 00 01 6 07 04 03 06 15 00 33 4 0 31 35 6 75 06 04 01 10...

Page 65: ...EIMWC003D01 17EN AR 65 80 6...

Page 66: ...EIMWC003D01 17EN AR 66 80 7 0 6 7 1 0 6 7 1 1 05 00 00 03 04 00 06 07 01 01 PZHH M ST DT LT DP EP OP...

Page 67: ...EIMWC003D01 17EN AR 67 80 EWWD VZ R134a R134a 6 7 6 1 1 00 30 1 a 1 00 b 4 6 c 5 0 4 d 0 3 05 3...

Page 68: ...EIMWC003D01 17EN AR 68 80 4 0 6 05 3 4 1 1 05 00 0 5 5 00 03 04...

Page 69: ...EIMWC003D01 17EN AR 69 80 Daikin Applied Europe Spa 055 6 7 1 1 05...

Page 70: ...EIMWC003D01 17EN AR 70 80 Daikin Applied Europe Daikin Daikin...

Page 71: ...EIMWC003D01 17EN AR 71 80 0 O X 05 X X O X X O X X X X X 0 X X X X X X X X 3 O X X X 4 O X X X 0 X O X niaiaD...

Page 72: ...EIMWC003D01 17EN AR 72 80 6 O X X X X X X X 7 X X 1 X O X niaiaD...

Page 73: ...EIMWC003D01 17EN AR 73 80 00 Daikin...

Page 74: ...D EIMWC003D01 17EN AR 74 80 4102 86 CE DCP...

Page 75: ...EIMWC003D01 17EN AR 75 80 R134a GWP 0 0435 0 GWP...

Page 76: ...EIMWC003D01 17EN AR 76 80 0 0 0 3 0 0 3 x 0555 a b c d e f g h m n GWP p 2 x 0555...

Page 77: ...EIMWC003D01 17EN AR 77 80...

Page 78: ...EIMWC003D01 17EN AR 78 80 05...

Page 79: ...U 00 0504 EN 60204 1 2006 A1 2009 EN 61000 6 2 2005 EC 2005 6 2 UNI EN 378 1 2012 UNI EN 378 2 2012 UNI EN 378 4 2012 UNI EN 13136 2007 2014 30 EU TCF018 0504 61 EU B TIS PED MI 16 09 002251 10310 Not...

Page 80: ...ed Europe S p A Daikin Applied Europe S p A Daikin Applied Europe S p A Daikin Applied Europe S p A DAIKIN APPLIED EUROPE S p A Via Piani di Santa Maria 72 00072 Ariccia Roma Italy 39 06 93 73 11 39 0...

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