v4 plus heat recovery vrf - home - midea...
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V4 Plus Heat Recovery VRFLinda Lin
Pre-sales Engineer
VRF Line-up
V5 X8-88HP
DC inverter VRFs
2-pipe 3-pipe
Water-cooled
CombinableHeat
recoveryIndividual Mini
V4+S8-64HP
V4+I (side)20-45kW
V4+I (top)25-90kW
V4+W8-30HP
Mini VRF8-18kW
V4+R8-64HP
• Largest capacity: 246kW (88HP) per system
• Heat pump, heat recovery , zone-by-zone mode control
COOL WARM
Energy-saving startup
Adjustable outdoor HE
All DC inverter technology
High EER and COP
Heat recovery operation
Wide application
High efficiency
High reliability
Enhanced comfort
Easy installation
Brand-new MS
Comparisons
Heat recovery operation
• More efficient heat recovery operation than individual heating and cooling only
Heat pump system
2HP 2HP2HP2HP
Heat recovery system
2HP 2HP2HP2HP
4HP4HP
4HP
Heat recovery operation
• A heat recovery system realizes heat transfer between the indoor units and
offers high energy efficiency by drawing heat from the rooms to be cooled, and
effectively using it as a heat source for the rooms to be heated
H OFF C OFF H
MS MS MS
C H
Heat absorption
Heat release
Heat release
Internal transfer
Heat absorption
High EER and COP
• EER up to 4.4 (8HP); COP up to 4.5 (8HP)
EER COP
3,0
3,4
3,8
4,2
4,6
8 10 12 14 16
HP
3,0
3,4
3,8
4,2
4,6
8 10 12 14 16
HP
High EER and COP
• EER is up to 7.0 at 50% cooling and 50% heating
EER
3,0
3,5
4,0
4,5
5,0
5,5
6,0
6,5
7,0
7,5
100% cooling 75% cooling25% heating
50% cooling50% heating
25% cooling75% heating
100% heating
8HP
10HP
12HP
14HP
16HP
All DC inverter technology
• All DC inverter compressors
• Capacity output of each compressor is balanced automatically
• Always work in the 40 to 70 Hertz high-efficiency range
Ro
un
d 1
DC1
30Hz
Fix1
ON
Fix2
OFF
DC + fixed compressors
DC1
50Hz
DC2
48Hz
DC + DC compressors
Ro
un
d 2
DC1
80Hz
Fix1
ON
Fix2
OFF
DC + fixed compressors
DC1
60Hz
DC2
58Hz
DC + DC compressors
Partitioned outdoor heat exchanger
• Two independent outdoor heat exchanger sections
• Each heat exchanger section is controlled separately
• Two independent circuits in a single outdoor unit
Heat pump VRF Heat recovery VRF
Energy-saving startup in heating mode
• Patented high pressure balance pipe design enables the four-way valve to switch
cooling/heating without starting the slave outdoor units
• Competitor products need to start all the outdoor units even when the load is lower
than a single ODU’s capacity
Midea V4+R Competitor
11 2 3
Patented design
Hydro-box connection
Long piping length
Wide operation range
Wide indoor unit range
Wide outdoor rangeWide application
High reliability
Enhanced comfort
Easy installation
Brand-new MS
Comparisons
High efficiency
8-16 HP 18-32 HP
34-48 HP 50-64 HP
Wide outdoor unit capacity range
Wide indoor unit range
Cassette
Duct Wall-mounted
Floor Standing Ceiling & Floor Console Fresh Air Processing Unit
1.8 -7.1kW 1.8 -7.1kW 1.5 -4.5kW 1.8 -7.1kW
1.5 -14kW 7.1 -56kW 2.8 -9.0kW 2.8 -9.0kW
2.2 -8.0kW 2.8 -9.0kW 2.8 -4.5kW 12.5 -28kW
Wide indoor unit range
For narrow spaces and corners
Two-way Cassette
For open spaces, air supply balance
Four-way Cassette
For spaces already decorated
Ceiling & Floor
For small spaces with low-noise requirements
Wall-mounted
ESP up to 196Pa -specially designed for
large spaces
High ESP Duct
Wide operating range
• Cooling mode: -5˚C to 48˚C
• Heating mode: -20˚C to 24˚C
• Heat recovery mode: -5˚C to 24˚C
-5˚C 48˚CCooling mode
-20˚C 24˚CHeating mode
0 ˚C 5 ˚C 10 ˚C 15 ˚C 20 ˚C 25 ˚C 30 ˚C 35 ˚C 40 ˚C 45 ˚C 50 ˚C-10˚C -5 ˚C-15˚C-20˚C
-5˚C 24˚CHeat recovery mode
Long piping length
70m(110m)
30m
Piping length
Longest length –actual (equivalent)
175m(200m)
Longest length after first branch
40m (90m)
Largest height difference between IDU and ODU –
ODU up (down)
70m (110m)
Largest height differencebetween IDUs
30m
Total piping
1000m
175m (200m)
40m (90m)
Connectable to hydro box
• Mode Switch (MS) box can also be connected to a hydro box to produce hot water
• Free heating provided by transferring heat from areas requiring cooling to areas
requiring heating or hot water
Hydro-box
Under floor heating
Domestic hot waterHot water: 25°C - 45°C
Anti-corrosion protection
Phase protection
Air-cooled PCB
Precise oil control
Duty cycling
Wide application
High reliability
Enhanced comfort
Easy installation
Brand-new MS
Comparisons
High efficiency
Duty cycling
• Each module and compressor priority is changed sequentially
• Equalizes the lifespan of the outdoor units and compressors
1st Cycle
2nd Cycle
3rd Cycle
1 2 3 4 5 6
5 6 1 2 3 4
3 4 5 6 1 2
Variable Variable Variable Variable Variable Variable
Precise oil control technology
• Five stages of oil control technology
• Ensures all outdoor compressor oil is always kept at a safe level
1st stage
2nd stage
3rd stage
4th stage
5th stage
Patented air-cooled PCB
• Decreases the average temperature of electrical control components by about 8˚C
• Guarantees the stable and safe running of the control system
PatentedCN 202792288 U
Phase sequence protection
• Protection against wrong-phase connections is fitted as standard in the outdoor PCB
• Protects all the electrical components from damage in the event of accidental wrong-
phase wiring
A B C N
Power supply terminal on E-box
L1 L2 L3 N
Power supply 3Phase, 380-415V
A B C N
Power supply terminal on E-box
L1 L2 L3 N
Power supply 3Phase, 380-415V
Voltage (A – N): 220V Voltage (A – N): 380V
Normal Incorrect
Anti-corrosion protection
• Anti-corrosion treatment standard on exterior metal parts and heat exchanger
• Heavy anti-corrosion treatment for extreme conditions available as a customization
option
Grill
Fan motor
Sheet metal painted parts
Heat exchanger
E-box
Screws / bolts / gaskets
Auto mode
Multi silent mode
Continuous heating
Wide application
High reliability
Enhanced comfort
Easy installation
Brand-new MS
Comparisons
High efficiency
Continuous heating during defrosting
• Either side of the outdoor heat exchanger can operate as a condenser for
defrosting while the other side operates as an evaporator to maintain heating
output to achieve continuous heating during defrosting
HP
VRF
HR
VRF
Defrosting
Defrosting
HE
H H
ODU
IDU
HE
OFF OFF
ODU
IDU
L R
H H
ODU
IDU
L R
H H
ODU
IDU
L R
H H
ODU
IDU
Continuous heating during defrosting
• Heating capacity only drops a little during defrosting
• Enhances system efficiency and makes the indoor environment more confortable
Heating capacity
Time
Heating capacity curve during defrosting
Heat pump VRF
Heat recovery VRF
Multiple silent modes
7:00 14:00 8:0022:00
Mode Running noise Mode Running noise
No silent mode Normal running Super silent mode 12dB(A) lower
Silent mode 8dB(A) lowerNight silent mode
(default)15dB(A) lower
Auto mode
• Heating or cooling is automatically selected based on the difference between the
room temperature and the temperature setting
• Keeps the indoor temperature at a constant level
Simple wiring
Easy system design
360° pipe connection
Rotatable control box
Space savingWide application
High reliability
Enhanced comfort
Easy installation
Brand-new MS
Comparisons
High efficiency
Space saving and economical
• Fewer units need to be combined together for a given capacity requirement
• Saves space and reduces piping requirements
V4 Plus R (64HP) Competitor (54+10HP)
COSTExtra Piping
Larger footprint
Rotatable control box
• Rotatable up to 150 degrees
• Perform maintenance of the piping system without the need to remove the control
box
Patented design
360° pipe connection
• Front, rear, right and left orientations are all possible for copper piping, power
cables, and communication cables, providing installation flexibility
Simple communication wiring
• Indoor centralized controller can be connected to either the indoor or the outdoor
units
• Connecting the controller to the outdoor units means that only PQE wiring is
required for indoor units (no indoor XYE wiring is required)
H1 H2 EPQE
PQEPQE PQE
PQE
PQE
PQE
PQEPQE
PQEPQE
X Y E X Y E
PQE
Easy system design
• Two kinds of selection software – a Windows version and an AutoCAD version
• The Windows version is designed to help sales engineers propose configurations
and prepare project quotations
• The AutoCAD version contains engineering drawings and placement guidance
Windows AutoCAD
Sub-cooling technology
Operating principle
Solenoid valve design
Flexible selection
MS lineup
Wide application
High reliability
Enhanced comfort
Easy installation
Brand-new MS
Comparisons
High efficiency
MS lineup
Applicable IDUs
Appearance Model Max.
number of IDU groups
Max. number of IDUs in
each group
Max. total number of
IDUs
Max. total IDU capacity
All IDUsexcept high
static pressure duct
MS01/N1-C 1 4 4 16kW
MS02/N1-C 2 4 8 28kW
MS04/N1-C 4 4 16 45kW
MS06/N1-C 6 4 24 45kW
Only high static
pressure duct
MS02E/N1-C 1 1 1 20/25/28kW
MS04E/N1-C 1 1 1 40/45/56kW
Flexible selection and installation
C H OFF C OFF H
MS04E MS02E MS04
• Multiple MS boxes can be used in a system
• The MS boxes provide the flexibility needed to adapt to the specific requirements
of individual projects
• Pipes in MS boxes can be blocked if not required
H
Solenoid valve design
• Compared to 4-way valve switching, running noise is reduced and the risk of
leakage is reduced, leading to increased reliability
• Sub-cooling circuit design for each MS box
Sub-cooling technology
• Enables larger temperature differences to enhance indoor heat-exchange
efficiency
IDU
MS
37⁰C
22⁰C
ODU
High pressure liquid pipe
Low pressure gas pipe
Sub-cooling pipe
Operating principle
• MS boxes enable heat recovery operation
SVA
SVB
Cooling
Indoor unit
High pressure liquid pipe
Low pressure gas pipe
High pressure gas pipe
MS box
EXV
SVA
SVB
Heating
MS box
SVB
SVA
Piping length
MS boxes
Efficiency
Capacity range
Wide application
High reliability
Enhanced comfort
Easy installation
Brand-new MS
Comparisons
High efficiency
Capacity range comparison
Capacity 5HP 8HP 10HP 12HP 14HP 16HP 18HP 20HP
Midea - √ √ √ √ √ - -
Brand D √ √ √ √ √ √ √ √
Brand M - √ √ √ √ √ √ -
• Midea has 5 models, up to 4 units can be combined, up to 64HP
• Brand D has 8 models, up to 3 units can be combined, up to 54HP
• Brand M has 6 models, up to 2 units can be combined, up to 36HP
Efficiency comparison
• Efficiency comparison with Brand D
EER COP
2,5
3,0
3,5
4,0
4,5
5,0
Midea Brand D
3,0
3,5
4,0
4,5
5,0
5,5
Midea Brand D
Efficiency comparison
• Efficiency comparison with Brand M
EER COP
2,5
3,0
3,5
4,0
4,5
5,0
8HP 10HP 12HP 14HP 16HP 18HP
Midea Brand M
3,0
3,5
4,0
4,5
5,0
5,5
8HP 10HP 12HP 14HP 16HP 18HP
Midea Brand M
Refrigerant piping length comparison
0
20
40
60
80
100
120
∆H between IDU & ODU (ODU up)
∆H between IDU & ODU (ODU
down)
∆H between IDUs
1st branch tofarthest IDU
MS to farthestIDU
70
110
30
90
40
90
60
30
40 40
50
40
15
60 60
Midea Brand D Brand M
MS comparison
• MS lineup comparison
Midea Brand D Brand M
MS01/N1-C BS1Q(10/16/25)A CMB-P104/5/6/8/10V-G1
MS02(E)/N1-C BS4Q14A CMB-P1013/16V-G1
MS04(E)/N1-C BS6/8Q14A
MS06/N1-C BS10/12Q14A
BS16Q14A
4 sizes6 models
5 sizes9 models
2 sizes7 models
MS comparison
Brand Model Max. number of connected IDUs
Dimensions WxDxH (mm) Weight (kg)
Midea
MS01 4630x605x225
18
MS02 8 19.5
MS04 16960x605x225
31
MS06 24 35
MS02E 1 630x605x225 19.5
MS04E 1 960x605x225 31
Brand D
BS1Q10A 5/6
388x326x207
12
BS1Q16A 8 12
BS1Q25A 8 15
BS4Q14A 20 370x430x298 17
BS6Q14A 30580x430x298
24
BS8Q14A 40 26
BS10Q14A 50370x430x298
35
BS12Q14A 60 38
BS16Q14A 64 1060x430x298 50
• MS comparison with Brand D
MS comparison
Brand Model Max. number of connected IDUs
Dimensions WxDxH (mm) Weight (kg)
Midea
MS01 4630x605x225
18
MS02 8 19.5
MS04 16960x605x225
31
MS06 24 35
MS02E 1 630x605x225 19.5
MS04E 1 960x605x225 31
Brand M
CMB-P104V-G1 4
648x432x284
24
CMB-P105V-G1 5 27
CMB-P106V-G1 6 28
CMB-P108V-G1 8 33
CMB-P1010V-G1 10 38
CMB-P1013V-G1 131098x432x284
45
CMB-P1016V-G1 16 52
• MS comparison with Brand M
MS comparison
• MS features comparison
Midea Brand D Brand M
System 3-pipe heat recovery VRF system
3-pipe heat recovery VRF system
2-pipe heat recovery VRF system
Valves
Multi solenoid valves control refrigerant flow direction
One EXV is used for sub-cooling
All valves are EXVs, some EXVs control refrigerant flow direction
Some EXVs are used for sub-cooling
3-way valves and some EXVs control refrigerant flow direction
Two EXVs are used for sub-cooling
Quiz
• What type of compressors does Midea’s latest V4+R series VRF use?
A. All inverter
B. Inverter and fixed speed
C. Fixed speed
• What is the maximum number of indoor units that can be connected to a
MS06/N1-C?
A. 1
B. 16
C. 24
D. 36
Thank you