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EWAD-MBYNN

EWAD-MBYNN. Air-cooled. EWAD-MBYNN. Air-cooled. Contents. A. Equipment Overview B. Capacity Range C. Operation Range D. Specifications E. Construction F. Options & Kits. Single Circuit. Double Circuit (2 Compressors). A. Equipment Overview . EWAD120-170MBYNN.

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EWAD-MBYNN

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  1. EWAD-MBYNN Air-cooled Applied Systems Sales

  2. EWAD-MBYNN Air-cooled Contents A. Equipment Overview B. Capacity Range C. Operation Range D. Specifications E. Construction F. Options & Kits Applied Systems Sales

  3. Single Circuit Double Circuit (2 Compressors) A. Equipment Overview EWAD120-170MBYNN EWAD240-340MBYNN EWAD380-600MBY Large Chillers: R-134a • Daikin stepless single screw compressor • All components optimized for use with R-134a • Air heat exchanger: Cross fin coils / Hi-X tubes and PE waffle louvre fins • Water heat exchanger: Shell & Tube • Double refrigeration circuit (from 240kW) Applied Systems Sales

  4. Launch Aug 06 Launch June 06 B. Capacity Range EWAD-MBYNN Model 120 150 170 240 300 345 380 460 520 600 kW 111 140 166 211 276 316 372 453 525 605 HP 40 50 60 80 100 120 120+ 160 200 240 Single circuit (1 compressor) Double circuit (2 compressors) Applied Systems Sales

  5. C. Operation Range °C Ambient temperature 50 LWE to -10°C 43 40 39 33 30 20 Continuous Operation Area Pull-Down Area 10 0 Low Ambient to -15°C • Protect against freezing by: • Evaporator heater tape (std) • Glycol -10 -15 -20 Glycol Water LWE -30 4 16 26 °C -20 30 -10 0 10 20 Applied Systems Sales

  6. Daikin Stepless Single Screw Compressor pCO2 Control Platform Shell & Tube Evaporator D. Specifications Applied Systems Sales

  7. D. Specifications -> Refrigerant EWAD~MBY • Pure Refrigerant -> No Glide • ODP = 0 • Chlorine free • Low toxicity • Not flammable • Good and efficient refrigerating capacity • Moderate operating pressures Applied Systems Sales

  8. D. Specifications -> Stepless Compressor Reliable New compressor: New features: - Newly designed gate rotors - High efficient electric motor - COP increase of 5 to 10% - Newly designed slide vanes Stepless G-type compressor Applied Systems Sales

  9. D. Specifications -> Stepless Compressor • High Efficiency • Engineered plastic gate rotors • Ensuring closer tolerences Compact Design • Durable & Reliable • Fewer moving parts • Balanced forces = Low bearing loads • Plastic on metal = Low wear • No need for oil pump 1st Service Interval after 40000 hours • Low Vibration & Noise • Plastic on metal = lower noise • Runs at 2900rpm = 17400 compressions/min • Smoothed discharge flow = low vibrations Applied Systems Sales

  10. D. Specifications -> Stepless Compressor Launch of STEPLESS capacity control (Sales launch: August 2005) • Better partial load control • WHAT YOU WANT IS WHAT YOU GET • More precise control of the temperature • OUTLET CONTROL (± 0.5oC) • Smaller minimum water volume required •  Upto 40% less than stepped chillers • Less need for buffer tanks G-type stepless Higher Efficiency Saves the environments resources … and nevertheless your own resources Designed, tested and manufactured in Daikin’s own laboratories. Applied Systems Sales

  11. Chiller Load Chiller Load 100% 100% 30% Starting position Starting position 15% 12% 12% Demand Demand Double Circuit Single Circuit D. Specifications -> Stepless Compressor Higher Efficiency STEPLESS capacity regulation The compressor has built-in capacity control by 30 – 100% by stepless slide valve mechanism, and adjustable volumetric ratio Designed, tested and manufactured in Daikin’s own laboratories. Applied Systems Sales

  12. D. Specifications -> Evaporator • Special double sided enhanced tube: • 40% size reduction • Reduction in refrigerant charge • Ideal for stable refrigerant R-134a • High W/m² value for increased efficiency • Optimal refrigerant distribution Applied Systems Sales

  13. D. Specifications -> Evaporator Hydronics Victaulic joints: - Absorb vibration - Reduce operating sound - Reduce thermal deflection - Simplify chiller installation • 8° angle guarantees stress free • Leak tight water piping connection Applied Systems Sales

  14. Insulation D. Specifications -> Evaporator Heater Standard with Evaporator Heater Tape Applied Systems Sales

  15. D. Specifications -> pCO2 Controller The nerve centre of the Chiller System Benefits for the user ... - provides detailed information - accurate control of all functional parameters - easy menu screen scrolling. Applied Systems Sales

  16. D. Specifications -> pCO2 Controller Features • Automatic restart after power failure • Control of operating and safety parameters • Schedule timer (4 timer groups) • Advanced freeze-up control • Floating set point according to ambient temperature • Extended alarm history (20 alarms) • 5 languages • Time and date information • Daily pump on • Temperature probe fine tuning • Lead-lag of compressors Applied Systems Sales

  17. D. Specifications -> Temperature Control Inlet / Outlet Control • Alters setpoint in function of ambient or ∆T • Increase setpoint = increase evaporating temp Floating Setpoint • Sampling of temperatures every 12seconds • Fast (7%) Load-up, Slow Load-up (3%) or No Action depending on deviation • Fast (7%) Load-down, Slow Load-down (3%) or No Action depending on deviation Applied Systems Sales

  18. D. Specifications -> Freeze-up Control LWE (°C) • Freeze-up Prevention • Unload compressor if LWE drops • 1oC below MOW 4 3 • 2) Freeze-up Protection • Stop compressor if LWE drops • 1,5oC below MOW 2,5 Freeze-Up Safety Setting 1 2 t(min) STOP *For Glycol: ZH -6,5°C / ZL -11,5°C Applied Systems Sales

  19. D. Specifications -> Expansion Device EEV from EWAD380~600 • Greater control over a wider operating range • Superheat kept to a minimum – optimizing evaporator • Can cope with lower head pressures than TEV’s • Pro’s • Energy savings at part load condition • Energy savings at reduced optimum head pressures TEV from EWAD120~340 Operation based on external Pressure compensation EEV’s available on special request Applied Systems Sales

  20. Bigger System Capacity Increase System Reliability D. Specifications -> DICN WHAT? Combine up to 4 DAIKIN chillers as if they were 1 unit … FEATURES : - Entering or Leaving water control - Running hours balancing between units - Flexible and efficient pump control - Features of the individual unit remain ADVANTAGES: Comfort cooling : Process / Industrial cooling : - Extend the DAIKIN chiller range - Create a chiller system of up to 2 MegaWatt ... - Even more precise & efficient capacity control - Standby : provide backup in case of alarm - Cooling available under any conditions Applied Systems Sales

  21. D. Specifications -> DICN DICN - System Example 1 Slave 3 “Constant water volume system” Leaving water control with sensor. Slave 2 Pump runs if at least 1 unit = ON. Slave 1 Fixed Speed Pump LOAD Master EKCLWS Applied Systems Sales

  22. D. Specifications -> DICN Fixed Speed Pumps DICN - System Example 2 Slave 3 “Variable flow water system” SL3 Entering water control. Slave 2 Pump SL1-3 runs if unit = ON SL2 Pump Master runs always. Slave 1 SL1 Inverter pump Master M1 Applied Systems Sales

  23. D. Specifications -> Safety Devices • Double high pressure switch • Low pressure switch • Freeze-up prevention & protection • Discharge thermal protector • Pressure relief valve on compressor • Compressor motor over current protector • Compressor motor thermal protector • Reverse phase protector • Recycling and guard timer • Digital display controller with electronic temperature control • Emergency Stop HP LP Applied Systems Sales

  24. (Aluminum) E. Construction -> Condenser Cross fin coils Lubricant layer Hydrophilic layer Colouring & Corrosion proof Corrosion proof layer Standard anti-corrosion treated Acetic Salt Spray Test in accordance with ISO9227 Applied Systems Sales

  25. PE Condenser Coils E. Construction -> Robust Chassis All-Weather Urban and Industrial Environment ( “Blue color” ) High Quality Platework! • Galvanized steel plate • Zinc-Phosphate coating • Epoxy powder painted) COLOR  Ivory white (Munsell code 5Y7.5/1) Applied Systems Sales

  26. V-Shape PE Condensers 2.135mm Shell & Tube Daikin Single Screw Compressor + Housing 3.980mm 1.110mm E. Construction -> EWAD120-170MBY Single Circuit Applied Systems Sales

  27. 4 V-Shape Chromate Treated Condensers 2250 Shell & Tube 4280 2238 Daikin Single Screw Compressor + Housing E. Construction -> EWAD240-340MBY Dual Circuit Applied Systems Sales

  28. 6 V-Shape Chromate Treated Condensers Shell & Tube evaporator 2250 Daikin Single Screw Compressor + Housing Daikin Single Screw Compressor + Housing 2238 5901 E. Construction -> EWAD380-600MBY Double Circuit High Reliability !!! Applied Systems Sales

  29. E. Construction -> Switchbox Automatic Door Lock Spacious / Easy accessible Switch Box Space Space Field Wiring  Spacious  Ergonomic Height  High Quality Components * EWAD120-340MBYNN Applied Systems Sales

  30. Easy Maintenance E. Construction -> Serviceability Required Space for Service and Air Intake 1000 1200 Applied Systems Sales

  31. F. Options & Kits -> Factory Fitted • Low Noise Operation OPLN • Inverter Fans (On Special Request) OPIF • High ESP Fans OPHF • Dual Pressure Relief Valve OP03 • Suction Stop Valve OP12 • Mains Isolator Switch OP52 • Ammeter Voltmeter OP57 • Condenser Protection OPCG Applied Systems Sales

  32. F. Options & Kits -> Low Noise (OPLN) Insulated compressor compartment + Reduce fan speed 900 to 600rpm • High performance absorption & insulation material • Anti vibration material. = Sound power level reduction of - 6 dB(A) Applied Systems Sales

  33. Ambient temp. (°C) 15 20 25 30 35 40 0 -1 -2 -3 -4 Sound power level (dBA) F. Options & Kits -> Inverter Fans (OPIF) Offered with or without OPLN - Smooth operation, better colour of sound - Linear sound reduction in function of ambient Sound reduction in function of ambient temperature Further Reduction of - 3dBa Applied Systems Sales

  34. ON/OFF Inverter F. Options & Kits -> Inverter Fans (OPIF) • Stable HP control, better part load efficiency • Energy savings at ambient 10oC to -15oC Example: EWAD520 @ 5oC ambient • On/Off Fan HP control • Cycling of fans On and Off • Requires dead band • Avg Tcondensing = 39oC • Inverter Fan HP control • Stepless modulation of fan speed • No dead band • Target Tcondensing = 30oC Result = 15kWhr Energy Saving! Applied Systems Sales

  35. F. Options & Kits -> High ESP Fans (OPHF) Applied Systems Sales

  36. F. Options & Kits -> For Service OP03 Dual Pressure Relief OP12 Suction Stop Valve Non Return Valve on HP-Side is Standard Stop Valve on LP-Side is an option 1 Pressure Side HP-Side Suction Side LP-Side 2 Re-calibration possible without refrigerant evacuation Daikin Single Screw Compressor Applied Systems Sales

  37. Compressor 1 A V Compressor 2 A F. Options & Kits -> For Service OP57 Ammeter / Voltmeter OP52 Mains Isolator Switch L1, L2, L3 Applied Systems Sales

  38. Factory Mounted Condenser Protection Grilles F. Options & Kits -> Protection Grilles (OPCG) Applied Systems Sales

  39. F. Options & Kits -> Field Installed • Remote Controller EKRUPC • BMS • Modbus EKBMSMBA • Bacnet EKBMSBNA • DICN • LWE Sensor EKCLWS Applied Systems Sales

  40. F. Options & Kits -> Remote & BMS Remote Controller & BMS UNIT Remote Controller PCO² - Controller PCO-controller BMS (Building Management System) EKAC200A Gateway RS232/485/422 EKBMSMBA EKBMSBNA Applied Systems Sales

  41. Read out : Write :  Temperatures  Pressures  Status  Alarms...  Setpoints  Remote on/off  Operation mode ... F. Options & Kits -> BMS Question Interface needed Answer Modbus: Max. 16 addresses BACnet: Max. 8 addresses Access up to 130 parameters Applied Systems Sales

  42. 1. R-134a: the good choice ! 2. High specifications 3. High Quality Components 4. Useful Options Large Air-Cooled Chillers EWAD120~600MBY Applied Systems Sales

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