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EWAD 650-C18 BJYNN

EWAD 650-C18 BJYNN. EWAD 650-C18 BJYNN. Air Cooled Chiller - Cooling Only 538 kW ÷ 1920 kW Single Screw Compressor. TABLE OF CONTENT. EWAD-BJYNN range Unit position into the range Technical solution Operating Limits Compressor features Refrigerant Circuit DX shell & tube evaporator

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EWAD 650-C18 BJYNN

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  1. EWAD650-C18BJYNN

  2. EWAD650-C18BJYNN Air Cooled Chiller - Cooling Only 538 kW ÷ 1920 kW Single Screw Compressor

  3. TABLE OF CONTENT • EWAD-BJYNN 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-BJYNN Vs CARRIER 30GX Phase III • EWAD-BJYNN Vs CARRIER 30RB AquaSnap • EWAD-BJYNN Vs CARRIER 30XA AquaForce • EWAD-BJYNN Vs TRANE RTAC • EWAD-BJYNN Vs CLIMAVENETA FOCS • Options summary

  4. A. EWAD-BJYNN RANGE EWAD-BJYNN Flexibility EWAD-BJYNN/A EWAD-BJYNN • 4 EWAD-BJYNN noise versions available: • EWAD-BJYNN 79,0 ÷ 80,0 dB(A) • EWAD-BJYNN + OPRN 73,5 ÷ 76,5 dB(A) • EWAD-BJYNN + OPLN 71,5 ÷ 73,0 dB(A) • EWAD-BJYNN/Q 65,0 ÷ 66,5 dB(A) • 4 EWAD-BJYNN/A noise versions available: • EWAD-BJYNN/A 79,0 ÷ 80,0 dB(A) • EWAD-BJYNN/A + OPRN 73,5 ÷ 76,5 dB(A) • EWAD-BJYNN/A + OPLN 71,5 ÷ 73,0 dB(A) • EWAD-BJYNN/Z 65,0 ÷ 66,5 dB(A) Link back

  5. B. UNIT POSITION INTO THE RANGE (1/5) EWAD-BJYNN– Unit efficiency level 3.40 C17 C10 3.30 950 C21 3.20 C16 C13 800 900 C20 C12 C15 C19 850 3.10 700 C11 EER 650 C18 C14 3.00 900 C18 C14 2.90 C10 C16 C13 850 C15 750 C12 700 2.80 950 650 C11 EWAD-BJYNN EWAD-BJYNN/A 2.70 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 kW

  6. B. UNIT POSITION INTO THE RANGE (2/5) EWAD-BJYNN: cooling range 2 compressors 3 compressors 4 compressors EWAD-BJYNN EWAD-BJYNN + OPRN 2 compressors 3 compressors 4 compressors EWAD-BJYNN + OPLN 3 compressors 4 compressors 2 compressors 2 compressors 3 compressors EWAD-BJYNN/Z 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 kW cooling @ Evap. 12/7°C - 35°C OAT

  7. B. UNIT POSITION INTO THE RANGE (3/5) EWAD-BJYNN/A: cooling range 2 compressors 3 compressors 4 compressors EWAD-BJYNN/A EWAD-BJYNN/A + OPRN 2 compressors 3 compressors 4 compressors 3 compressors 4 compressors EWAD-BJYNN/A + OPLN 2 compressors 2 compressors 3 compressors EWAD-BJYNN/Z 2000 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 kW cooling @ Evap. 12/7°C - 35°C OAT

  8. 1520 640 761 886 1057 1166 1322 1641 1772 1226 988 1109 700 817 670 784 945 1062 1175 1296 1457 1553 1735 606 730 868 1116 1016 1016 606 730 868 1116 1296 1457 1553 1735 945 784 1062 1175 670 EWAD-BJYNN EWAD-BJYNN+OPRN 539 650 759 869 974 1086 EWAD-BJYNN+OPLN EWAD-BJYNN/Q 812 921 597 1152 709 1055 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 kW cooling @ Evap 12/7°C - 35°C OAT B. UNIT POSITION INTO THE RANGE (4/5) EWAD-BJYNN: sizes distribution

  9. B. UNIT POSITION INTO THE RANGE (5/5) EWAD-BJYNN/A: sizes distribution 667 800 903 974 1094 1222 1354 1557 1710 1806 1920 1282 1430 1038 1177 926 855 723 640 769 881 953 1053 1177 1323 1512 1618 1762 1871 1135 1238 1401 703 822 907 998 640 769 881 953 1053 1177 1323 1512 1618 1762 1871 1401 998 1135 1238 703 822 907 668 569 840 953 1013 914 631 EWAD-BJYNN/A EWAD-BJYNN/A+OPRN EWAD-BJYNN/A+OPLN EWAD-BJYNN/Z 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 kW cooling @ Evap 12/7°C - 35°C OAT Link back

  10. C. TECHNICAL SOLUTION (1/4) EWAD-BJYNN version – Technical Solution Helicoidal fans (860 RPM) with good acoustic performance and no mechanical vibrations EWAD-BJYNN 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 79.0 ÷ 80.0 dB(A) ISO 3744 - @ 1m hemispherical field

  11. C. TECHNICAL SOLUTION (2/4) EWAD-BJYNN + OPRN version – Technical Solution EWAD-BJYNN + OPRN 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 73.5 ÷ 76.5 dB(A) ISO 3744 - @ 1m hemispherical field Discharge flexible pipe to avoid vibrations in the condensing section of the chiller due to the gas pulsations and compressor vibrations Fan speed reduction ( 680 RPM) to reduce the noise level of the chiller condensing section Link back option summary

  12. C. TECHNICAL SOLUTION (3/4) EWAD-BJYNN + OPLN version – Technical Solution EWAD-BJYNN + OPLN 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 71.5 ÷ 73.0 dB(A) ISO 3744 - @ 1m hemispherical field Discharge flexible pipe to avoid vibrations in the condensing section of the chiller due to the gas pulsations and compressor vibrations Compressor sound proof cabinet with aluminium frame, metal panels and high density material inside to absorb acoustic waves Fan speed reduction ( 680 RPM) to attenuate the noise level of the chiller condensing section Link back option summary

  13. C. TECHNICAL SOLUTION (4/4) EWAD-BJYNN/Q version – Technical Solution EWAD-BJYNN/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 65.0 ÷ 66.5 dB(A) ISO 3744 - @ 1m hemispherical field Discharge flexible pipe to avoid vibrations in the condensing section of the chiller due to the gas pulsations and compressor vibrations Enhanced condensing section of the chiller Compressor sound proof cabinet with aluminium frame, metal panels and high density material inside to absorb acoustic waves Very low fan speed value ( 500 RPM ) with fan speed control (phase cut) to reduce the noise level of the chiller condensing section. Link back

  14. D. OPERATING LIMITS (1/2) EWAD-BJYNN Unit Operating Limits OPRN OPLN /Q Unit version EWAD-BJYNN °C 44 40 40 +40 (1) Max ambient temperature (at full load) °C +10 (2) +10 (2) +10 (2) -10 (3) Min ambient temperature °C 9 9 9 9 Max leaving evaporator water temperature °C 4 4 4 4 Min leaving evap. water temp. (without glycol) °C -8 -8 -8 -8 Min leaving evap. water temp. (with glycol) D Max evaporator T °C 8 8 8 8 D Min evaporator T °C 4 4 4 4 Notes: When air temperature is higher then + 32 °C fan speed control device (EWAD-BJYNN/Q units) sets up speed rotation (1) increasing cooling capacity and sound pressure level. When air temperature is lower than + 10 °C you need the fan speed control device. It allows the unit working with air (2) temperature down to – 10 °C . OPLA allows to reach – 18 °C . Fan speed control device is standard furnished on the EWAD-BJYNN/Q units. (3)

  15. D. OPERATING LIMITS (2/2) EWAD-BJYNN/A – Unit Operating Limits Unit version /A+OPRN /A+OPLN /Z EWAD-BJYNN/A °C 48 44 44 40 Max ambient temperature (at full load) °C +10 (2) +10 (2) +10 (2) -10 (3) Min ambient temperature °C 9 9 9 9 Max leaving evaporator water temperature °C 4 4 4 4 Min leaving evap. water temp. (without glycol) °C -8 -8 -8 -8 Min leaving evap. water temp. (with glycol) D Max evaporator T °C 8 8 8 8 D Min evaporator T °C 4 4 4 4 Notes: When air temperature is lower than + 10 °C you need the fan speed control device. It allows the unit working with air (1) temperature down to – 10 °C . OPLA allows to reach – 18 °C . Fan speed control device is standard furnished on the EWAD-BJYNN/Q units. (2) Link back

  16. E. COMPRESSOR FEATURES (1/3) EWAD-BJYNN – Single Screw Compressor “ Frame4 ” single screw compressor • naturally axial balanced loads • naturally radial balanced loads • 2 specular compression cycles • infinitely variable cooling capacity control • external oil separator • direct driven screw (no gear) • 6 electrical terminals for Y-D as standard • fully semi-hermetic design • composite material on gate rotors compression suction discharge

  17. E. COMPRESSOR FEATURES (2/3) EWAD-BJYNN – Single Screw Compressor “ Frame4 ” radial balancing axial balancing better chilled water stability 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

  18. E. COMPRESSOR FEATURES (3/3) EWAD-BJYNN – Single Screw Compressor External high efficiency oil separator mounted on the same compressor metal base frame “ Frame4 ” Fully semi-hermetic design to allow ordinary maintenance and to replace easily each component if necessary Six electrical terminals to allow as standard a star-delta (Y-D) compressor start. For low inrush current and reduce starting torque Link back Link back options summary

  19. E. REFRIGERANT CIRCUITS EWAD-BJYNN – Truly Independent Refrigerant Circuits i.e. EWAD-BJYNN with 3 refrigerant circuits: 3 compressors, 3 expansion valves, 3 condensing sections,3 evaporating sections in the evaporator’s shell, 3 dry-filters

  20. E. DRY-EXPANSION SHELL AND TUBE EWAD-BJYNN - 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

  21. F. CONTROL & REMOTE CONTROL (1/4) EWAD-BJYNN – 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.

  22. F. CONTROL & REMOTE CONTROL (2/4) EWAD-BJYNN – Microprocessor Control “Microtech II C Plus” Motherboard with microprocessors • Unit Controller fully programmed 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 with 4 rows and 20 characters display and 15 keypad

  23. F. CONTROL & REMOTE CONTROL (3/4) EWAD-BJYNN – 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

  24. F. CONTROL & REMOTE CONTROL (4/4) EWAD-BJYNN – 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 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 Option summary Link back Table of content

  25. I. UNIT DELIVERY (1/2) EWAD-BJYNN – Unit delivery, moving and lifting • Unit is sold and delivered EXW (Ex works); • Each unit is tested at full load before shipping; • Unit handling must be according to IOM manual.

  26. I. UNIT DELIVERY (2/2) EWAD-BJYNN – Unit delivery, moving and lifting Up to 13700 mm • EWAD-BJYNN with 4 compressors can exceeds dimensions of a standard truck. • Could be necessary a “long vehicle”. Link back

  27. 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 Alarm from external device Rubber type antivibration mounts Evaporator heater (OP10) Main switch (OP52) Epoxy coating (OPEP) Electronic Expansion valve (OPEX) EWAD-BJYNN: OPTIONS SUMMARY (1)

  28. A/V meter (OP57) Low noise (OPLN)5 Gauges (OPGA) Coil guards (OPCG) Soft starter (OPSS) Blank Cu/AI coils (OPAL) Cu/Sn coils (OPSN) Cu/Cu coils (OPCU) 1 Not available for EWAD14-18BJYNN and EWADC16-C21/A 2 Not available for EWAD800-850BJYNN/Q and EWAD850-900BJYNN/Z 3 Not available for EWAD-BJYNN/Q and EWAD-BJYNN/Z 4 Not available for EWAD-BJYNN/Q and EWAD-BJYNN/Z 5 Not available forEWAD-BJYNN/Q and EWAD-BJYNN/Z EWAD-BJYNN: OPTIONS SUMMARY (2) • Options on request • Cu/Ni heat exchanger (OPNI) • Single & Twin pump (OPSP;OPTP)¹ • Heat recovery (OPTR;OPPR) • High ESP fans (OPHF)² • Reduced noise (OPRN)³ • Fan silent (OPFS) • Low ambient (OPLA)4 • Power factor 0.9 (OPPF) • Suction stop valve (OP12)

  29. 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

  30. 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 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 Link back options summary

  31. 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

  32. 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

  33. 2. OPTIONS ON REQUEST (3/3) OP12 - Suction line shut off valve – Suction shut-off valve installed on the suction port of the compressor to facilitate maintenance operation. OPCG – Coil guards - Metal protection guards fixed on all the external surface of the condenser coils. OP57- Ammeter and voltmeter– Digital meters of unit drawn amperes and voltage values, installed on the electrical control panel. OPSSSoft start –Electronic starting device to reduce starting current. An overload protection is included (no need of compressors thermal relays). 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

  34. COMPETITORS COMPARISONS Link back

  35. 1. EWAD-BJYNN Vs CARRIER 30GX Phase III with R134a Vs with R134a

  36. 1. EWAD-BJYNN Vs CARRIER 30GX Phase III • 30 GX has 16 sizes in range 280 – 1200 kW (Eurovent certified) EWAD-BJYNN • 30GX is equipped with old Carlyle double screw compressor • Noisy gear transmission • Only available with steps cooling capacity regulation (3 steps)

  37. 1. EWAD-BJYNN Vs CARRIER 30GX Phase III • 30GX is equipped with flooded evaporator (only 2 refrigerant circuits) • Sizes 207-267 have 3 compressors: 2 compressors on first refrigerant circuit and 1 on the second circuit • Sizes 298-358 have 4 compressors: 2 compressors per refrigerant circuit • 30 GX has only one efficiency level available with EER 2.7÷2.9

  38. 1. EWAD-BJYNN Vs CARRIER 30GX Phase III • 30 GX has Y-D starter available as std. up to size 182, D.O.L starter above • 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

  39. 1. EWAD-BJYNN Vs CARRIER 30GX Phase III • Field installed acoustic kit (louvers wall) • Unit weight increases: - 500kg for 082- 900kg for 182- 1300kg for 358 • Maintenance activities are affected • Field acoustic reliability ?

  40. 1. EWAD-BJYNN Vs CARRIER 30GX Phase III • 30GX options available on Carrier price list (some of them…)

  41. 1. EWAD-BJYNN Vs CARRIER 30GX Phase III EWAD-BJYNN strength point Vs CARRIER 30GX Phase III • Infinitely variable cooling capacity control down to 6.2% of nominalchiller cooling load (EWAD-BJYNN with 4 compressors) to exactly match plant thermal load and respect chilled water temperature set-point within ±0,2 K; • Y-D starter as standard on all Daikin models to minimize maximumin-rush currents; • Much more flexibility on noise version availability to match customers orsite installation requirement; EWAD-BJYNN/Z level not reachable by Carrier. • All Daikin OPRN versions obtained without heavy and large field-installed acoustic solution; • With EWAD-BJYNN/A is possible to reach higher EER value for energy savingand energy management cost saving; • EWAD-BJYNN has really independent refrigerant circuits (one compressor per circuit);30GX models above 700 kW are equipped with 2 compressors per circuit; • Single screw reliability is naturally higher than double-screw, gear driven. Link back

  42. 2. EWAD-BJYNN Vs CARRIER 30RB AquaSnap with R134a Vs with R410A

  43. 2. EWAD-BJYNN Vs CARRIER 30RB AquaSnap • 30 RB has 12 sizes in range 250 – 750 kW (Eurovent certified) ALS “F” • 30 RB is equipped with R410A Danfoss-Maneurop scroll compressors 4x 8x 12x 30RB has 2 & 3 circuits: up to 4 scroll compressors on same circuit !!

  44. Total power input 98 104 121 128 147 151 169 191 218 240 265 288 2. EWAD-BJYNN Vs CARRIER 30RB AquaSnap • 30 RB has only one efficiency level available with EER 2,6 ÷ 2,75 • 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

  45. 2. EWAD-BJYNN Vs CARRIER 30RB AquaSnap • 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) • 30 RB options available on Carrier price list (some of them…) DX free cooling system scheme

  46. 2. EWAD-BJYNN Vs CARRIER 30RB AquaSnap EWAD-BJYNN strength point Vs CARRIER 30RB AquaSnap • Infinitely variable cooling capacity control down to 6,2% of nominalchiller cooling load (EWAD-BJYNN with 4 compressors) to exactly match plant thermalload 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-BJYNN/Z level not reachable by Carrier. • With EWAD-BJYNN/A is possible to reach higher EER value for energy savingand energy management cost saving; • EWAD-BJYNN has really independent refrigerant circuits with one compressorper circuit: AquaSnap is equipped with even 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

  47. 3. EWAD-BJYNN Vs CARRIER 30XA AquaForce with R134a Vs with R134a

  48. 3. EWAD-BJYNN Vs CARRIER 30XA AquaForce • 30 XA has 20 sizes in range 260 – 1670 kW (Eurovent certified) EWAD-BJYNN • 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

  49. 3. EWAD-BJYNN Vs 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 • 30 XA is equipped with flooded evaporator and 2 or 3 or 4 independent circuits Note: units longer than 12 m (1402-1502-1702) are composed on site with 2 modules available

  50. 3. EWAD-BJYNN Vs CARRIER 30XA AquaForce Note: 2 electrical connection points + 30XA 140230XA 1502 1x 2x + 2x 2x Note: 2 electrical connection points 30XA 1702

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