Large Tonnage Chillers. Kingsley Hu Technical Support Engineer

Transcription

1 Large Tonnage Chillers Kingsley Hu Technical Support Engineer

2 Chongqing Plant Chiller Products Reference Projects Manufacturing Facility Major Milestones Global R&D Talent Production Line introduction Top-level Quality Control Customer Service After-sales Warranty

3 Partnership with Carrier A world-class chiller manufacturing facility 200,000m 2 site (80,000m 2 factory + offices) 800 employees (220 engineers) Annual revenues USD 300 million Annual output: 400 centrifugal chillers, 3,000 water-cooled screw chillers, 1,000 aircooled screw chillers, 11,000 modular chillers

4 Major Milestones Chongqing General established Chongqing General - York centrifugal chiller COP 7.11, IPLV 11.6 World s highest Water-cooled chiller products gain AHRI certification 80% stake in Clivet acquired Chongqing General Hitachi centrifugal chiller US chiller experts joined Midea Strategic partnership with Carrier Direct-drive VFD and oil-free magnetic centrifugal chillers launched

5 Global R&D Talent Larry Byron Jim Mike Ed Plan Design Test

6 World-class Production Line Centrifugal compressors Screw / centrifugal chillers

7 Top-level Quality Control Leading-brand test equipment and laboratories

8 Customer Service Services include water system design, product selection and after-sales Service training courses and certification for local teams System design Product selection Remote monitoring Site visit / website

9 After-sales Warranty Twice as long as other chiller brands 24 Length 30 (42 for compressor) months from date of shipment or 24 (36 for compressor) months from date of startup, whichever is shorter For industrial application chillers, warranty period is 12 months less than standard period Warranty Note: Only parts are free, labor charges not covered

10 Chongqing Plant Chiller Products Reference Projects Product Lineup Key Features VFD Direct Drive Falling Film Air-Cooled Screw Chiller Control System Selection Software

11 Product Lineup Air-cooled Screw Chiller S: RT T3: RT Split: RT New: RT COP: R134a T3: Operating range up to 52⁰C COP > 3.2 Oil-free, full falling film Available by end-2017

12 Certifications Air-cooled Screw Chiller RT

13 Product Lineup Water-cooled Screw Chiller RT RT Flooded COP: R134a Full falling film COP: R134a

14 Product Line-up Centrifugal Chillers 600-2,200 RT RT RT Two-stage H: COP: E: COP > 6.3 Direct-drive, inverter twostage COP Magnetic two-stage COP

15 Certifications Water-cooled Chillers RT 150-2,200 RT Water-cooled screw chiller Water-cooled centrifugal chiller

16 Globally-Recognized Quality Products meet a range of global codes and standards

17 Options for a Wide Range of Projects Efficiency Standard, high and super-high Power supply 380V/400V/415V/460V/3.3KV 4.16KV/6kV/10kV/11kV 50/60Hz Leaving water temp. -6 to 15 ⁰C Ambient Temperature S/T3 Starter VFD/Star delta/ Solid state/auto transformer/dol(direct on line) Modes Cooling only and cooling/heating Heat recovery Full or partial Control Chiller plant or system control

18 Full Falling Film Technology Patent 40% 25% Flooded Midea Full Falling Film Mixed Falling Film Improved oil return and heat transfer performance

19 Reliable Control High-performance ARM processors Highly reliable - used in 95% of mobile phones and 25% of electronic equipment

20 Support for Green Building Designs R134a: non-flammable, environmentally friendly Midea falling film technology reduces refrigerant charge by 40% Better heat exchange efficiency leads to energy savings Supports LEED applications Other brands: 2100kg Midea: 1250kg Refrigerant charge reduction: 40%

21 Lower Project Costs Initial costs High efficiency chillers Project optimization HVAC system control Save nearly 40% Maintenance costs Oil, refrigerant - 40% lower than other brands M Parts - sold at cost price Long warranty periods Free remote monitoring Utility

22 Condensing temp Cooling Lo. Temp limit Compressor current limit Stable Operation Extended operating ranges available Pro-active control predicts temperature trends preventing temperature fluctuations and avoiding frequent shut-downs Operation Range Condensing Hi. Temp. limit Extended Operating Range Advanced temperature control Condensing Lo. Temp. limit Evaporator suction temperature

23 VFD Direct Drive centrifugal Chiller RT Midea direct-drive twostage centrifugal compressor VFD Starter panel Full falling Film evaporator

24 VFD Direct Drive Benefits Energy saving: COP , IPLV up to 11.5 Lower total cost of ownership Lower noise Patented horizontal back-to-back impeller design ensures less seal leakage and no gear loss, leading to longer lifespans and improved efficiency 360⁰ cooling of compressor motor Patented full falling film evaporating technology fully utilizes heat exchange tube capabilities, improving efficiency

25 VFD Direct Drive Impeller Design Two-stage compressor impellers Traditional design Stages arranged in series in same direction Higher axial forces and higher stress in thrust bearings can lead to damage Midea design Unique self-balanced structure Axial load on bearings 10% lower Lower mechanical losses More stable running => longer lifespans

26 VFD Direct Drive Lower Noise db(a) Screw Centrifugal Magnetic / Direct Drive VFD 75-80

27 100% full load Amps Start-up In-rush Current Time (Seconds) Direct on line / Across the line ( %) Electric solid state starter ( %) Auto transformer ( %) Star delta / WYE Delta ( %) VFD / VSD (100%) Benefits of VFD Linear power system, giving high efficiency Reducing thermal stress on the stator Power factor up to 0.95

28 Falling Film Air-Cooled Screw Chiller Super-high efficiency tons

29 High Efficiency Falling film heat exchanger serves as evaporator, Refrigerant charge reduction can reach up to 40% Evaporator Chiller COP: 3.8 COP % The Top Level under China Condition Condenser Storage China Condition AHRI Condition

30 Cooling, Heating and Hot Water Function: Integrate cooling, heating and domestic hot water into one system. Energy recovery to improve overall system energy efficiency. Individuals in the same building can choose cooling or heating to meet personal different needs. Cooling Heating Hot water Improve Personal Comfort Feeling Level

31 Midea Control System (MCS) Features and benefits Simple and convenient Advanced data analysis enables preventative alarms/warnings and fast troubleshooting Maintenance advice Machine Room Office Applications Projects where a BMS is not being installed but chiller control and monitoring is required

32 Midea Intelligent Control System (MICS) Features and benefits Enables energy savings Modular design Continuous intelligent analysis Applications Projects with particularly high energyefficiency requirements

33 MICS Modules Energy analysis Running cost optimization Fault detection/prediction Sequencing Status monitoring Alarms and protection Combined control Chiller Combination CT VFD control Chilled LWT control Water flow control Sequencing Status monitoring Alarms and protection Combined control Chiller Plant Control CT VFD control Chilled LWT control Water flow control Sequencing Status monitoring Alarms and protection Combined control HVAC Management

34 Remote Monitoring Service Midea Cloud Service Center Access running data remotely via PC, tablet computer or smart phone View operating status, energy consumption, troubleshooting data Receive alarms as they occur

35 Selection Software Screw chiller software Centrifugal chiller software

36 Chongqing Plant Chiller Products Reference Projects Shopping Malls Transportation Hotels and Apartments Government Projects Hospitals Offices

37 Shopping Malls Butovo Mall,Indonesia 2 centrifugal chillers 1 water-cooled screw chiller Total capacity 2,280 RT Hartono Lifestyle Mall,Indonesia 5 high efficiency falling-film centrifugal chillers Total capacity 5,500 RT

38 Transportation Jakarta International Airport,Indonesia 4 air-cooled screw chillers Beijing Capital Airport,China Total capacity 1,400 kw 12 centrifugal chillers 1 water-cooled screw chiller Total capacity 10,000 RT

39 Sports Stadiums 27 th Southeast Asian Games Stadiums,Myanmar Heat recovery water-cooled screw chillers Total capacity 4,100 RT

40 Hotels and Apartments Weifang China Food Valley, China 23 air-cooled screw chillers Total capacity 3,128 RT Beijiao Ramada Hotel, China Centrifugal chillers Water-cooled screw chillers Total capacity 2,500 RT

41 Government Projects Russia Federation National Olympics Sports Training Center, Sochi Federal Security Service, Moscow 5 centrifugal chillers Total capacity 4,280 RT 2 air-cooled screw chiller, total capacity 500 kw

42 Hospitals Rize Hospital,Turkey Air cooled screw chiller, total capacity 1,400 kw Federal Security Service, Moscow 5 centrifugal chillers Total capacity 4,280 RT Shorsh Hospital,Iraq Air cooled screw chiller, total capacity 2,400 kw

43 Offices Midea HQ,China Centrifugal chillers Water-cooled screw chillers Total capacity 3,700 RT

44 Q&A Questions?

45 Thank you