Midea VRFs/ Midea V5X. Timothy Huang Senior Engineer

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1 Midea VRFs/ Midea V5X Timothy Huang Senior Engineer

2 VRF Product Overview General Features V5X Key Technologies V5X VRF product strategy VRF line-up Fresh air solutions Selection software Unique Innovations V5X Competitor Analysis

3 VRF Product strategy Higher efficiency Wider capacity range DC fan indoor units Quieter Longer piping capabilities Less refrigerant charge More convenient for installation and commissioning, as well as repair More flexible control functions and options

4 VRF Line-up DC inverter VRFs 2-pipe 3-pipe Combinable Individual Watercooled Mini Heat recovery V5 X 8-88HP V4+S 8-64HP V4+I (side) 20-45kW V4+I (top) 25-90kW V4+W 8-30HP Mini VRF 8-18kW V4+R 8-64HP Largest capacity: 246kW (88HP) per system Heat pump, heat recovery, zone-by-zone mode control

5 VRF Line-up Two-way Cassette Four-way Cassette Ceiling & Floor Wall-mounted High ESP Duct For narrow spaces and corners For open spaces, air supply balance For spaces already decorated For small spaces with low-noise requirements ESP up to 196Pa - specially designed for large spaces

6 VRF Line-up Indoor units Cassette kW kW kW kW Duct Wall-mounted kW kW kW kW Floor Standing Ceiling & Floor Console Fresh Air Processing Unit kW kW kW kW

7 VRF Line-up Compact Four-way Cassette Four-way Cassette Medium ESP Duct Wall-mounted DC Inverter Indoor Units kW Slim Duct Floor Standing Ceiling & Floor High ESP Duct

280Pa external static pressure Connects directly to

8 Fresh air solutions Fresh Air Processing Unit 12.5/14/20/25/28kW 100% Fresh air processing unit Up to 280Pa external static pressure Connects directly to VRF ODU Combines fresh air ventilation and air conditioning

Fresh air solutions Heat Recovery Ventilator Air

9 Fresh air solutions Heat Recovery Ventilator Air volume : 200~2000m3/h Heat recovery, high energy efficiency Fresh air supply Heat recovery formula (Summer) Fresh air supply temp. = outdoor temp. - (outdoor air temp. indoor air temp.)* temp. recover efficiency Example 28 = 45 - (45 20 )*74%

10 Fresh air solutions AHU connection kit DX AHU or X Brand Indoor Unit AHU Control Kit Midea VRF Outdoor Unit 5/10/20HP Up to 80HP Can communicate with Midea VRF outdoor units to enable connection with other brand AHUs or indoor units Up to 4 AHU connection kits can be combined Combined DX AHU capacity up to 224kW (80HP)

11 User-friendly selection software Simplifies system selection and drawing design Convenient for designers and consultants (Windows Version) (AutoCAD Version)

12 VRF Product Overview General Features V5X Key Technologies V5X Unique Innovations V5X Competitor Analysis V5X Overview Applications High efficiency Functionality Customization option

V5X Overview More than a machine Much better than any

capacity range Single unit capacity: 22HP Combination:

25W/W Most flexible piping Level difference between

13 V5X Overview More than a machine Much better than any of the competitors The best industrial design Wide capacity range Single unit capacity: 22HP Combination: 88HP Most energy efficient ESEER: 8.25W/W Most flexible piping Level difference between Indoor and outdoor units: up to 110m Level difference between Indoor units: up to 30m

14 V5X Overview 8-12 HP HP HP HP HP

15 Applications Long piping length Piping length Longest length actual (equivalent) 175m (200m) 90m (110m) 30m 175m (200m) 40m (90m) Longest length after first branch Largest height difference between IDU and ODU ODU up (down) Largest height difference between IDUs 40m (90m) 90m (110m) 30m Total piping 1000m

16 Applications Space saving 1635mm 1635mm 8HP 10HP 12HP 14HP 16HP 18HP 20HP 22HP

17 Applications Low installation costs Footprint 1.05 x 4 = 4.2m 2 COSTS Extra Piping Larger Footprint

18 Applications Low installation costs Previously:64HP+64HP+48HP (around 12 m 2 ) V5 X Series :88HP+88HP (around 8.4 m 2 ) Around 3.6 m2 of Installation Space Saved 20 Floors Each floor 3200 m HP Previous Footprint Installation space reduced by 32% Current footprint

19 Applications Wide operating range -5 C Cooling mode 48 C -20 C Heating mode 24 C -20 C -15 C -10 C -5 C 0 C 5 C 10 C 15 C 20 C 25 C 30 C 35 C 40 C 45 C 50 C In summer with temperatures up to 48 C (T series: 54 C), the V5X Series keeps on COOLING In winter, with temperatures down to -20 C, the V5X series keeps on HEATING

20 Applications ESP. up to 60Pa Reliable performance even in high external static pressure operation in places such as high rise buildings. Especially suitable for floor-by-floor installation on balconies

21 EER ESEER High efficiency 8HP EER up to 4.7 W/W (0.74kW/TR) ESEER up to 8.25 (0.42kW/TR) EER ESEER 5,0 4,5 Midea 8,0 Midea 4,0 7,0 3,5 6,0 3, HP 5, HP

22 Functionality - Duty cycling operation rd th nd st Cycle

23 Functionality Auto addressing Up to 64 IDUs can be connected and identified Remote controller can query and modify each IDU s address ① ② ⑨ ④ ③ ⑧ ⑦ ⑤ ⑥

24 Functionality 5 priority mode settings Cooling priority mode Heating priority mode (default) Cooling only mode First-on indoor unit priority mode Heating only mode Voting priority (Majority s requirement) VIP priority (With address no. 63) Set on outdoor unit PCB

25 Customization option - Heavy Anti-Corrosion Grill Heat exchanger Fan motor E-box Sheet metal painted parts Screws / bolts / gaskets Anti-corrosion treatment standard on exterior metal parts and heat exchanger Heavy anti-corrosion treatment for extreme conditions available as a customization option

26 VRF Product Overview General Features V5X Key Technologies V5X Unique Innovations V5X Competitor Analysis Compressor control Oil control Pressure control Optimized logic Improved heat exchanger Noise reduction

27 Compressor control Variable frequency driving technology Waveform smoothing and low inverter losses ensure phase currents are equal, giving precise motor torque control and extremely smooth motor rotation Conventional saw tooth wave, low efficiency Collaborated with International Rectifier Corporation in variable frequency driving technology Smooth 180 sine wave, efficiency is improved by around 30%

28 Compressor control High-efficiency Powerful Neodymium Variable Reluctance Neodymium Traditional Carbonate Magnet

29 Compressor control Dual inverter compressors Capacity output of each compressor is balanced automatically Always work in the 40 to 70 Hertz high-efficiency range DC+FIX VRF DC+DC VRF Round1 Round2 DC1 Fix1 Fix2 30Hz ON OFF DC+FIX VRF DC1 Fix1 Fix2 80Hz ON OFF DC1 DC2 50Hz 48Hz DC+DC VRF DC1 DC2 60Hz 58Hz

30 Oil Control 5-stage oil control

31 Pressure control EXV Pressure sensor 100% capacity output

32 Pressure control EXV Pressure sensor 30% capacity output

33 Optimized logic Quick start and fast heating Hz

34 Improved heat exchanger Previous area New area 3-row copper pipe design, 20% higher heat exchange efficiency

35 Noise reduction Optimization of unit structure and air passages has reduced running noise by 3dB(A) Anti-vibration axial flow fan New fan grille design DC fan motor Anti-vibration fan motor design Compressor soundproofing High performance low noise compressor Three-dimensional simulation used to produce anti-vibration pipe design Resonance avoidance technology Anti-vibration panel design, thickness increased from 1mm to 1.2mm

36 Noise reduction - Night silent mode 7:00 14:00 22:00 8:00 Mode Running noise Mode Running noise No silent mode Standard Super silent mode 12dB(A) lower Silent mode 8dB(A) lower Night silent mode (default) 15dB(A) lower

37 VRF Product Overview General Features V5X Key Technologies V5X Unique Innovations V5X Competitor Analysis Electricity box Power protection Auto snow cleaning Multidirectional piping

38 Electricity box Patented air-cooling technology Patent CN U

39 Electricity box Patented rotatable design

40 Power protection Power supply terminals Power supply terminals Normal Incorrect N C B A 380V/3ph N C B A Phase-neutral voltage: 220V Phase-neutral voltage: 380V

41 Auto snow cleaning VS Midea V5X Series Normal VRF (Available as a customization option)

42 Multidirectional piping

43 VRF Product Overview General Features V5X Key Technologies V5X Unique Innovations V5X Competitor Analysis Main parameters V5X vs. VRV4

44 Competitor analysis M.E. City multi S DVM S D VRV 4 Midea V5X L Multi V IV H Set free T SMMS-i

45 Main parameters Midea V5X D VRV IV T SMMS-i H SET FREE M.E City Multi S DVM S L Multi V IV Capacity range (HP) Gap: Outdoor above (m) Gap: Outdoor below (m) Maximum length of pipe (m) Equivalent length (m) Noise (8HP db(a)) Maximum indoor units

46 Main parameters 8HP 10HP 12HP 14HP 16HP 18HP 20HP 22HP Units: mm Midea D T H M.E S L V5X VRV IV SMMS-i SET FREE City Multi DVM S Multi V IV Height W*D 990* * * * * * *760 Height W*D 990* * * * * * *760 Height W*D 990* * * * * * *760 Height W*D 1340* * * * * * *760 Height W*D 1340* * * * * * *760 Height W*D 1340* * * * * * *760 Height W*D 1340* * * * * * *760 Height W*D 1340* * * * * * *760 Leader Underdog

47 Main parameters 8HP 10HP 12HP 14HP 16HP 18HP 20HP 22HP Midea D T H M.E S L V5X VRV IV SMMS-i SET FREE City Multi DVM S Multi V IV Height Footprint Height Footprint Height Footprint Height Footprint Height Footprint Height Footprint Height Footprint Height Footprint Leader Underdog Units: mm or m 2

48 V5X vs. VRV4 D Midea Notes Product Range Systems required Foot Print (m 2 ) Single units 8-20HP 8-22HP Largest combination 60HP 88HP 64/200/500HP 2/4/9 1/3/6 64/200/500HP 3.6/10.6/ /10.8/26.7 Wider capacity range Fewer systems, easier to install and lower labor costs Compact and space saving Noise level db(a) Lower ESP(Pa) m Plus Max. single piping Length (m) Max. level difference between ODU and IDU (m) A Piping system Max. level different between IDUs (m) Max. piping length of branch to last IDU (m) B C Total piping length (m)

49 Thank you

VRF Mini Series 50Hz. Commercial Air Conditioners Commercial Air Conditioner Division Midea Group

VRF Mini Series 50Hz. Commercial Air Conditioners Commercial Air Conditioner Division Midea Group Coercial Air Conditioners 16 VRF Mini Series 50Hz Midea CAC After-service Application Midea CAC News Application Coercial Air Conditioner Division Midea Group Add.: West Region of Midea Coercial Air Conditioner