Midea VRFs/ Midea V5X Timothy Huang Senior Engineer
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
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
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
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
VRF Line-up Indoor units Cassette 1.8-7.1kW 1.8-7.1kW 1.5-4.5kW 1.8-7.1kW Duct Wall-mounted 1.5-14kW 7.1-56kW 2.8-9.0kW 2.8-9.0kW Floor Standing Ceiling & Floor Console Fresh Air Processing Unit 2.2-8.0kW 2.8-9.0kW 2.8-4.5kW 12.5-28kW
VRF Line-up Compact Four-way Cassette Four-way Cassette Medium ESP Duct Wall-mounted DC Inverter Indoor Units 1.5-43kW Slim Duct Floor Standing Ceiling & Floor High ESP Duct
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 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%
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)
User-friendly selection software Simplifies system selection and drawing design Convenient for designers and consultants (Windows Version) (AutoCAD Version)
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 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
V5X Overview 8-12 HP 14-22 HP 24-44 HP 46-66 HP 68-88 HP
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
Applications Space saving 1635mm 1635mm 8HP 10HP 12HP 14HP 16HP 18HP 20HP 22HP
Applications Low installation costs Footprint 1.05 x 4 = 4.2m 2 COSTS Extra Piping Larger Footprint
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 2 176 HP Previous Footprint Installation space reduced by 32% Current footprint
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
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
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 3,0 8 10121416182022 HP 5,0 8 10 12 14 16 18 20 22 HP
Functionality - Duty cycling operation 34 21 rd th nd st Cycle
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
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
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
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
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 180 180 Smooth 180 sine wave, efficiency is improved by around 30%
Compressor control High-efficiency Powerful Neodymium Variable Reluctance Neodymium Traditional Carbonate Magnet
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
Oil Control 5-stage oil control
Pressure control EXV Pressure sensor 100% capacity output
Pressure control EXV Pressure sensor 30% capacity output
Optimized logic Quick start and fast heating Hz 100 80 60 40 20 0
Improved heat exchanger Previous area New area 3-row copper pipe design, 20% higher heat exchange efficiency
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
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
VRF Product Overview General Features V5X Key Technologies V5X Unique Innovations V5X Competitor Analysis Electricity box Power protection Auto snow cleaning Multidirectional piping
Electricity box Patented air-cooling technology Patent CN 202792288 U
Electricity box Patented rotatable design
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
Auto snow cleaning VS Midea V5X Series Normal VRF (Available as a customization option)
Multidirectional piping
VRF Product Overview General Features V5X Key Technologies V5X Unique Innovations V5X Competitor Analysis Main parameters V5X vs. VRV4
Competitor analysis M.E. City multi S DVM S D VRV 4 Midea V5X L Multi V IV H Set free T SMMS-i
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) 8-88 6-60 8-48 8-54 8-50 8-80 8-88 Gap: Outdoor above (m) 90 90 70 50 50 50 110 Gap: Outdoor below (m) 110 90 40 40 40 110 110 Maximum length of pipe (m) 1000 1000 500 1000 1000 1000 1000 Equivalent length (m) 225 190 235 190 190 200 220 Noise (8HP db(a)) 57 57 55 58 56 57 58 Maximum indoor units 88 64 48 64 50 64 64 45
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 1635 1685 1830 1720 1710 1695 1680 W*D 990*790 930*765 990*780 950*765 920*760 880*765 920*760 Height 1635 1685 1830 1720 1710 1695 1680 W*D 990*790 930*765 990*780 950*765 920*760 880*765 920*760 Height 1635 1685 1830 1720 1710 1695 1680 W*D 990*790 930*765 990*780 950*765 920*760 880*765 920*760 Height 1635 1685 1830 1720 1710 1695 1680 W*D 1340*790 1240*765 1210*780 1210*765 1220*760 1295*765 1240*760 Height 1635 1685 1830 1720 1710 1695 1680 W*D 1340*790 1240*765 1210*780 1210*765 1220*760 1295*765 1240*760 Height 1635 1685 1830 1720 1710 1695 1680 W*D 1340*790 1240*765 1980*780 1900*765 1750*760 1295*765 1240*760 Height 1635 1685 1830 1720 1710 1695 1680 W*D 1340*790 1240*765 1980*780 1900*765 1840*760 1295*765 1240*760 Height 1635 1685 1830 1720 1710 1695 1680 W*D 1340*790 1240*765 1980*780 1900*765 1840*760 1295*765 1840*760 Leader Underdog
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 1635 1685 1830 1720 1710 1695 1680 Footprint 0.7821 0.71145 0.7722 0.72675 0.6992 0.6732 0.6992 Height 1635 1685 1830 1720 1710 1695 1680 Footprint 0.7821 0.71145 0.7722 0.72675 0.6992 0.6732 0.6992 Height 1635 1685 1830 1720 1710 1695 1680 Footprint 0.7821 0.71145 0.7722 0.72675 0.6992 0.6732 0.6992 Height 1635 1685 1830 1720 1710 1695 1680 Footprint 1.0586 0.9486 0.9438 0.92565 0.9272 0.990675 0.9424 Height 1635 1685 1830 1720 1710 1695 1680 Footprint 1.0586 0.9486 0.9438 0.92565 0.9272 0.990675 0.9424 Height 1635 1685 1830 1720 1710 1695 1680 Footprint 1.0586 0.9486 1.5444 1.4535 0.9272 0.990675 0.9424 Height 1635 1685 1830 1720 1710 1695 1680 Footprint 1.0586 0.9486 1.5444 1.4535 1.3984 0.990675 0.9424 Height 1635 1685 1830 1720 1710 1695 1680 Footprint 1.0586 1.4229 1.5444 1.4535 1.3984 0.990675 1.3984 Leader Underdog Units: mm or m 2
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 3.6/10.6/26.8 3.2/10.8/26.7 Wider capacity range Fewer systems, easier to install and lower labor costs Compact and space saving Noise level db(a) 55-63 43-63 Lower ESP(Pa) 80 60 12m Plus Max. single piping Length (m) 190 225 Max. level difference between ODU and IDU (m) 90 110 A Piping system Max. level different between IDUs (m) Max. piping length of branch to last IDU (m) 30 30 90 90 B C Total piping length (m) 1000 1000
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