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EWAD 190-360 AJYNN

EWAD 190-360 AJYNN. EWAD 190-360 AJYNN. Air Cooled Chiller - Cooling Only 177 kW ÷ 401 kW Single Screw Compressor. TABLE OF CONTENT. EWAD-AJYNN range Unit position into the range Technical solution Operating Limits Compressor features Refrigerant Circuit DX shell & tube evaporator

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EWAD 190-360 AJYNN

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  1. EWAD190-360AJYNN

  2. EWAD190-360AJYNN Air Cooled Chiller - Cooling Only 177 kW ÷ 401 kW Single Screw Compressor

  3. TABLE OF CONTENT • EWAD-AJYNN range • Unit position into the range • Technical solution • Operating Limits • Compressor features • Refrigerant Circuit • DX shell & tube evaporator • Control & remote control • Unit delivery • Competitors comparisons • EWAD-AJYNN Vs CARRIER 30GX Phase III • EWAD-AJYNN Vs CARRIER 30RB AquaSnap • EWAD-AJYNN Vs CARRIER 30XA AquaForce • EWAD-AJYNN Vs TRANE RTAD • EWAD-AJYNN Vs CLIMAVENETA FOCS • EWAD-AJYNN Vs CLIMAVENETA FOCS “mini” • Options on request

  4. A. EWAD-AJYNN RANGE EWAD-AJYNN Flexibility • BASE MODEL • 3 noise versions available: • OPRN • 75,0÷77,5 dB(A) • OPLN • 70,0÷72,5 dB(A) • VERSION /Q • 65,0 dB(A) • VERSION /A • 2 noise versions available: • BASE MODEL • 77,5÷80,0 dB(A) • VERSION /Q • 72,5÷74,0 dB(A) • VERSION /H • 1 noise version available: • BASE MODEL • 79,5÷80,0 dB(A) LINK BACK

  5. B. UNIT POSITION INTO THE RANGE (1/4) EWAD-AJYNN: Unit efficiency level 3.40 320 280 340 3.20 420 380 260 360 400 3.00 EER 260 230 280 340 300 200 360 2.80 320 230 260 340 280 2.60 300 190 320 200 EWAD-AJYNN 2.40 EWAD-AJYNN/A 190 EWAD-AJYNN/H 2.20 150 200 250 300 350 400 450 kW

  6. B. UNIT POSITION INTO THE RANGE (2/4) EWAD-AJYNN BASE MODEL / HIGH EFFICIENCY: cooling range EWAD-AJYNN 2 Compressors EWAD-AJYNN + OPLN 2 Compressors EWAD-AJYNN/Q 2 Compressors 2 Compressors EWAD-AJYNN/A EWAD-AJYNN/A + OPLN 2 Compressors 2 Compressors EWAD-AJYNN/H 150 200 250 300 350 400 450 kW cooling @ Evap. 12/7°C - 35°C OAT

  7. EWAD-AJYNN/Q EWAD-AJYNN + OPLN EWAD-AJYNN 184 198 225 245 261 275 298 321 370 177 190 219 238 252 265 278 312 366 203 231 253 271 286 299 309 150 200 250 300 350 400 kW B. UNIT POSITION INTO THE RANGE (3/4) EWAD-AJYNN: sizes distribution

  8. EWAD-AJYNN/H EWAD-AJYNN/A + OPLN EWAD-AJYNN/A 247 275 302 327 351 376 401 243 272 296 322 345 370 394 195 208 234 256 274 289 306 336 381 150 200 250 300 350 400 450 kW B. UNIT POSITION INTO THE RANGE (4/4) EWAD-AJYNN/A: sizes distribution LINK BACK

  9. C. TECHNICAL SOLUTION (1/3) EWAD-AJYNN – Base model/OPRN - Technical solution BASE MODEL - /A Helicoidal fans (900 RPM) with good acoustic performance and no mechanical vibrations Compressor antivibration support to avoid transmission on chiller metal base-frame Rubber round washers to avoid metal to metal contacts which would increase chiller structural noise EWAD-AJYNN/A 77,5 ÷ 80,0 dB(A) EWAD-AJYNN 75,0 ÷ 77,5 dB(A) ISO 3744 - @ 1m hemispherical field

  10. C. TECHNICAL SOLUTION (2/3) EWAD-AJYNN – OPLN – Technical Solution Helicoidal fans with good acoustic performance and no mechanical vibrations OPLN Compressor antivibration support to avoid transmission on chiller metal base-frame Rubber round washers to avoid metal to metal contacts which would increase chiller structural noise Suction muffler 70,0 ÷ 74,0 dB(A) ISO 3744 - @ 1m hemispherical field Fan speed reduction ( 680 RPM) to attenuate the noise level of the chiller condensing section Compressor sound proof cabinet with aluminium frame, metal panels and high density material inside to absorb acoustic waves LINK BACK OTPIONS SUMMARY

  11. C. TECHNICAL SOLUTION (3/3) EWAD-AJYNN – /Q – Technical Solution /Q Helicoidal fans with good acoustic performance and no mechanical vibrations Compressor antivibration support to avoid transmission on chiller metal base-frame Rubber round washers to avoid metal to metal contacts which would increase chiller structural noise Suction muffler & discharge muffler 65,0 dB(A) ISO 3744 - @ 1m hemispherical field Fan speed reduction ( 500 RPM) to reduce the noise level of the chiller condensing section Enhanced condensing section of the chiller Compressor sound proof cabinet with aluminium frame, metal panels and high density material inside to absorb acoustic wave LINK BACK

  12. Envelope of EWAD-AJYNN 40 30 20 Outside Ambient Temperature (°C) 10 0 -10 -20 -10 -5 0 5 10 15 20 Leaving water temperature (°C) D. OPERATING LIMITS (1/3) EWAD-AJYNN – Unit Operating Limits (Base model) Check on rating tables for part load operation of each unit OPFS OPLA

  13. Envelope of EWAD-AJYNN/A 50 40 30 20 Outside Ambient Temperature (°C) 10 0 -10 -20 -10 -5 0 5 10 15 20 Leaving Water Temperature (°C) D. OPERATING LIMITS (2/3) EWAD-AJYNN/A – Unit Operating Limits C heck on rating tables for part load operation of each unit Glycol application OPFS OPLA

  14. Envelopes of EWAD-AJYNN/H 60 50 40 30 Outside Ambient Temperature (°C) 20 10 0 -10 -20 -10 -5 0 5 10 15 20 Leaving Water Temperature (°C) D. OPERATING LIMITS (3/3) EWAD-AJYNN/H – Unit Operating Limits (High Ambient) Check on rating tables for part load operation of each unit Glycol application OPFS OPLA LINK BACK

  15. E. COMPRESSOR FEATURES (1/2) EWAD-AJYNN – Single Screw Compressor • axial balanced loads • infinitely variable cooling capacity control • integrated oil separator • direct driven screw (no gear) • 6 electrical terminals for Y-D as standard • fully semi-hermetic design • composite material on gate rotors “ Frame3100 ” single screw compressor

  16. E. COMPRESSOR FEATURES (2/2) EWAD-AJYNN – Single Screw Compressor Frame 3100 Composite material (carbon base composition) to improve compressor reliability and energy performances Stepless slide valve (oil controlled) to change compressor capacity to match exactly the plant thermal request Six electrical terminals to allow as standard star-delta (Y-D) compressor start. For low inrush current and reduce starting torque Fully semi-hermetic design to allow ordinary maintenance and to replace easily each component if necessary LINK BACK

  17. F. REFRIGERANT CIRCUIT EWAD-AJYNN – Truly Independent Refrigerant Circuits EWAD-AJYNN with 2 refrigerant circuits: 2 compressors, 2 expansion valves, 2 condensing sections,2 evaporating sections in the evaporator’s shell, 2 dry-filters LINK BACK

  18. G. DX SHELL AND TUBE EVAPORATOR EWAD-AJYNN - DX (Dry-eXpansion) shell & tube evaporator copper tube internally enhanced • One pass configuration on refrigerant side (R-134a) • Better oil circulation and compressor oil return at part load operation • Higher water volume content (Vs PHE Plate Heat Exchanger) • More thermal inertia for the chiller • Smaller external water tank installation (when required) • No freezing risk at any chiller load • No “water hummer” phenomena damage LINK BACK

  19. H. CONTROL & REMOTE CONTROL (1/4) EWAD-AJYNN – Electrical Panel Features • Power and control are located in two different sections. • Main switch: only on OFF position, it allows the access to power section. • Control section opening is possible also when power is ON.

  20. H. CONTROL & REMOTE CONTROL (2/4) EWAD-AJYNN – Microprocessor Control “Microtech II C Plus” Motherboard with microprocessors • Unit Controller fully programmed and engineered by Daikin on Carel hardware • P.I.D. logic (proportional, integrative, derivative) • Compressor regulated according leaving evaporator water temperature (LEWT) to match customer set-point within ± 0,2°C • Easy visual interface

  21. H. CONTROL & REMOTE CONTROL (3/4) EWAD-AJYNN – Microprocessor Control “Microtech II C Plus” "demand limit" or "set-point reset" "current limit" from external signal "set-point reset" "soft load" from OAT • High value control functions implemented as standard into the logic LINK BACK OPTION SUMMARY

  22. H. CONTROL & REMOTE CONTROL (4/4) EWAD-AJYNN – Microprocessor Control “Microtech II C Plus” • Easy integration into building automation systems via separate digital connection for unit start/stop, status, general fault and 4-20 mA signals for chilled water setpoint reset and demand limiting; • Communications capabilities for remote monitoring, changing of setpoint, trend logging, alarm and event detection, via a compatible IBM-PC with Daikin PlantVisor 1.0 software; • BMS communication capability via Modbus, BacNet, LonWorks protocol; • Remote communications capabilities via modem/GSM (up to 8 chillers with Gateway Modem); • Compatibility with Daikin CSC II (Chiller Sequencing Control) LINK BACK TABLE OF CONTENT LINK BACK OPTIONS SUMMARY

  23. I. UNIT DELIVERY (1/2) EWAD-AJYNN – Unit delivery, moving and lifting • Unit is delivered EXW (Ex works); • Each unit is tested at full load before shipping; • Unit handling must be according to IOM manual. Procedure for extracting machine from the container. Container Kit Optional

  24. I. UNIT DELIVERY (2/2) Daikin – Unit delivery, moving and lifting 2240÷4040 2÷4 units can be loaded on the same truck. LINK BACK

  25. EWAD-AJYNN: OPTIONS SUMMARY (1) • Alarm from external device • Rubber type antivibration mounts • Evaporator heater (OP10) • Main switch (OP52) • Epoxy coating (OPEP) • Suction stop valve (OP12) • Standard options • Brine version (OPZH;OPZL) • Double setpoint • Star delta compressor starter • Thermal relays compressors • Under/over voltage controller • Cond. Coils Alucoat • Flow switch for evaporator • Setpoint reset and demand limit

  26. Low noise (OPLN)5 Gauges (OPGA) Coil guards (OPCG) Blank Cu/AI coils (OPAL) Cu/Sn coils (OPSN) Cu/Cu coils (OPCU) EWAD-AJYNN: OPTIONS SUMMARY (2) • Options on request • Single & Twin pump (OPSP;OPTP)¹ • High ESP single and twin Pump (OPHP;OPHT)² • Heat recovery (OPTR;OPPR) • Fan silent (OPFS)³ • Low ambient (OPLA)4 • Power factor 0.9 (OPPF) • Electronic Expansion valve (OPEX) 1 Not available for EWAD-AJYNN/Q 2 Not available for EWAD800-850BJYNN/Q and EWAD850-900BJYNN/H 3 Offered as standard for EWAD-AJYNN/Q 4 Not available for EWAD-AJYNN/Q and EWAD-AJYNN/H 5 Not available forEWAD-AJYNN/Q and EWAD-AJYNN/H

  27. 1. OPTIONS AS STANDARD (1/2) OP12 - Suction line shut off valve – Suction shut-off valve installed on the suction port of the compressor to facilitate maintenance operation. ALARM FROM EXTERNAL DEVICE – Microprocessor is able to receive an alarm signal from an external device (pump etc…). User can decide if this alarm signal will stop or not the unit FLOW SWITCH – Supplied separately to be wired and installed on the evaporator water piping (by the customer). COMPRESSOR THERMAL OVER RELAYS– Safety devices against compressor motor overloading in addition to the normal protection envisaged by the electrical windings. Link back options summary

  28. 1. OPTIONS AS STANDARD (2/2) UNDER/OVER VOLTAGE CONTROLLER –Phase monitor to control the minimum and maximum voltage value that the user can set. RUBBER TYPE ANTIVIBRATION MOUNTS – Supplied separately, these are positionned under the base of the unit for “floor installation” ALUCOAT CONDENSING COILS – Fins are protected by a special acrylic paint with a high resistance to corrosion. OP10 – Evaporator electric heater– Electric heater controlled by a thermostat to protect the evaporator from freezing down -28°C ambient temperature Link back options summary

  29. 2. OPTIONS ON REQUEST (1/3) OPSP - Water circulation pump –The pump is unit mounted. Hydronic kit consists of: one centrifugal pump direct driven, expansion tank, water feed circuit with pressure gauge, safety valve. The pump motor is protected by a circuit breaker installed in control panel. The kit is assembled and wired to the control panel. OPTP - Two water circulation pumps– The pumps are unit mounted. Hydronic kit consists of: two centrifugal pumps direct driven, expansion tank, water feed circuit with pressure gauge, safety valve, check valves, shut-off valves. The pumps motors are protected by circuit breakers installed in control panel. The kit is assembled and wired to the control panel. OPTR – Total heat recovery - Produced with shell and tube heat exchangers to produce hot water up to 50÷55° C. The heat exchangers are mounted on the refrigerant circuits parallel to the condenser coils to remove all the condensation heat. Link back options summary

  30. 2. OPTIONS ON REQUEST (2/3) OPPR – Partial heat recovery - Produced with plate-to-plate heat exchangers installed between the compressor discharge and the condenser coil. These allow hot water to be produced up to a maximum temperature of 55°C. OPFS device – Fan silent - This device allows the continuous variation of the fan speed, modifying the air flow according to the external temperature conditions. It allows the unit working with air temperature down to –5÷–10°C. In addition, a microprocessor clock switches the fan at low speed according to the client setting (i.e. Night & Day). OPLA – Low ambient - Continuous fan speed modulation on the first fan of each circuit. It allows the unit working with air temperature down to –18°C. OPPF- Power factor 0.9 - Capacitor power factor correction - Installed on the electrical control panel to ensure it conforms to the plant rules. Link back options summary

  31. 2. OPTIONS ON REQUEST (3/3) OPEX – Electronic expansion valve – It proposes features that makes it unique: short openning and closing time, high resolution, positive shut-off function to eliminate use of additional solenoid valve, highly linear flow capacity, continous modulation of mass flow without stress in the refrigerant circuit and corrosion resistance stainless steel body OPCG – Coil guards - Metal protection guards fixed on all the external surface of the condenser coils. OPCU - To give better protection against corrosion by aggressive environments. OPSN (new option) - To give better protection against corrosion in aggressive environments and by salty air. Link back options summary

  32. COMPETITORS COMPARISONS LINK BACK

  33. A. EWAD-AJYNN Vs CARRIER 30GX Phase III with R134a Vs with R134a

  34. A. EWAD-AJYNN Vs CARRIER 30GX Phase III • 30 GX has 16 sizes in range 280 – 1200 kW (Eurovent certified) EWAD-AJYNN • 30GX is equipped with old Carlyle double screw compressor • Noisy gear transmission • Only available with steps cooling capacity regulation (3 steps) • 30 GX has only one efficiency level available with EER 2.7÷2.9

  35. A. EWAD-AJYNN Vs CARRIER 30GX Phase III • 4 noise versions: standard - compressor enclosure - field installed kit - opt15LS Note (1): option 15LS includes compressor & evaporator enclosure + field installed absorbing kit Note (2): subtract 20 dB(A) to quickly have sound pressure indication @ 1m • Filed installed acoustic kit (louvers wall) • Unit weight increases: - 500kg for 082- 900kg for 182- 1300kg for 358 • Maintenance activities are affected • Field acoustic reliability ?

  36. A. EWAD-AJYNN Vs CARRIER 30GX Phase III EWAD-AJYNN strength point Vs CARRIER 30GX Phase III • Infinitely variable cooling capacity control down to 12,5% of nominal chiller cooling load to exactly match plant thermal load and respect chilled water temperature set-point within ±0,2 K; • Much more flexibility on noise version availability to match customers orsite installation requirement; • All EWAD-AJYNN + OPRN obtained without heavy and large field-installed acoustic solution; EWAD-AJYNN/Q not reachable by Carrier. • With EWAD-AJYNN/A, /A is possible to reach higher EER value for energy saving and energy management cost saving; • Single screw reliability is naturally higher than double-screw, gear driven. LINK BACK

  37. B. EWAD-AJYNNVs CARRIER 30RB AquaSnap with R134a Vs with R410A

  38. B. EWAD-AJYNNVs CARRIER 30RB AquaSnap • 30 RB has 12 sizes in range 250 – 750 kW (Eurovent certified) EWAD-AJYNN

  39. Total power input 98 104 121 128 147 151 169 191 218 240 265 288 B. EWAD-AJYNNVs CARRIER 30RB AquaSnap • 30 RB is equipped with R410A Danfoss-Maneurop scroll compressors 4x 8x 12x • 30 RB has only one efficiency level available with EER 2.6 ÷ 2.75

  40. B. EWAD-AJYNNVs CARRIER 30RB AquaSnap • 3 noise versions: standard – Euro Pack (scroll enclosure) – Very Low noise Note (1): very low noise version is equipped with compressors sound enclosure and with low speed helicoidal fans Note (2): subtract 20 dB(A) to quickly have sound pressure indication @ 1m • 30 RB is equipped with integrated and complete hydronic module (option) • Centrifugal low or high pressure water pumps • Single or dual “in-line” pump/s • Water filter, pressure gauge, thermal insulation • Expansion tanks with high capacity • Water flow control valve (18 control turn)

  41. B. EWAD-AJYNNVs CARRIER 30RB AquaSnap • 30 RB options available on Carrier price list (some of them…) DX free cooling system scheme

  42. B. EWAD-AJYNNVs CARRIER 30RB AquaSnap EWAD-AJYNN strength point Vs CARRIER 30RB AquaSnap • Infinitely variable cooling capacity control down to 12,5% of nominal chiller cooling load to exactly match plant thermal load and respect chilled water temperature set-point within ±0,2 K; • Truly compressor semi-hermetic design to facilitate ordinary chillermaintenance: hermetic scroll compressors cannot be inspected, maintained and serviced. In case of motor burnout replacement of all compressorsinstalled on that refrigerant circuit is needed • Much more flexibility on noise version availability to match customers orsite installation requirement; EWAD-AYNN/Q not reachable by Carrier. • With EWAD-AJYNN/A, /A is possible to reach higher EER value for energy saving and energy management cost saving; • EWAD-AJYNN have really independent refrigerant circuits with one compressor per circuit: AquaSnap is equipped even with 4 scroll on same circuit !! • Single screw with R134a reliability Vs scroll technology with R410A in aircooled application (very high condensing pressure values) • Higher part load efficiency for multiscroll ? Let’s talk about that… LINK BACK

  43. B. EWAD-AJYNNVs CARRIER 30RB AquaSnap EWAD-AJYNN strength point Vs CARRIER 30RB AquaSnap • Infinitely variable cooling capacity control down to 12,5% of nominal chiller cooling load to exactly match plant thermal load and respect chilled water temperature set-point within ±0,2 K; • Truly compressor semi-hermetic design to facilitate ordinary chillermaintenance: hermetic scroll compressors cannot be inspected, maintained and serviced. In case of motor burnout replacement of all compressorsinstalled on that refrigerant circuit is needed • Much more flexibility on noise version availability to match customers orsite installation requirement; EWAD-AYNN/Q not reachable by Carrier. • With EWAD-AJYNN/A, /A is possible to reach higher EER value for energy saving and energy management cost saving; • EWAD-AJYNN have really independent refrigerant circuits with one compressor per circuit: AquaSnap is equipped even with 4 scroll on same circuit !! • Single screw with R134a reliability Vs scroll technology with R410A in aircooled application (very high condensing pressure values) • Higher part load efficiency for multiscroll ? Let’s talk about that… LINK BACK

  44. C. EWAD-AJYNNVs CARRIER 30XA AquaForce with R134a Vs with R134a

  45. C. EWAD-AJYNNVs CARRIER 30XA AquaForce • 30 XA has 20 sizes in range 260 – 1670 kW (Eurovent certified) EWAD-AJYNN • 30 XA is equipped with new Carrier double screw compressor • Double screw with step less cooling capacity control • Direct driven screw compressor (no more gear transmission) • External oil separator • Compressor on slide rails to facilitate maintenance activities

  46. C. EWAD-AJYNNVs CARRIER 30XA AquaForce • 30 XA is equipped with new condensing coil design (MCHX solution) • Aluminium micro-channel heat exchanger coils (MCHX) • Three times higher corrosion resistance than copper/aluminium coils because no “galvanic currents” effect (30XACarrier brochure) • V coil shape

  47. C. EWAD-AJYNNVs CARRIER 30XA AquaForce • 30 XA has 2 efficiency versions: standard and high efficiency (option 119) EER 3,1 ÷ 3,3 EER 2,7 ÷ 3,1

  48. C. EWAD-AJYNNVs CARRIER 30XA AquaForce • 30 XA maximum start-up current: Y-D starter as standard on all AquaForce units

  49. C. EWAD-AJYNNVs CARRIER 30XA AquaForce • 30 XA has 2 sound levels: low noise unit (std efficiency) – high efficiency unit Note : subtract 20 dB(A) to quickly have pressure indication @ 1m • 30 XA has integrated hydronic kit for range capacity 270 ÷ 500kW Victaulic screen filter - expansion tank - single or dual pump water flow control valve - defrost heater

  50. C. EWAD-AJYNNVs CARRIER 30XA AquaForce EWAD-AJYNN strength point Vs CARRIER 30XA AquaForce • Truly compressor semi-hermetic design to facilitate ordinary chillermaintenance; • Much more flexibility on noise version availability to match customers orsite installation requirement; EWAD-AJYNN/Q not reachable by Carrier; • Carrier 30XA dimensions are bigger. LINK BACK

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