Midea MVD22A-VA1 User manual

DM12-01.01.02-08en
Service manual
MIV V4+ Indoor units
Console Type
MVD22A-VA1
MVD28A-VA1
MVD36A-VA1
MVD45A-VA1

DM12-01.01.02-08en MIV V4+ Indoor Units
Console Type MVD-A-VA1 1
Console Type
1. Feature ...............................................................................2
2. Specifications....................................................................4
3. Dimension..........................................................................5
4. Service Space....................................................................6
5. Piping Diagrams................................................................7
6. Wiring Diagram .................................................................8
7. Capacity Tables.................................................................9
8. Electric Characteristics..................................................13
9. Noise Levels....................................................................14

MIV V4+ Indoor Units DM12-01.01.02-08en
2 Console Type MVD-A-VA1
1. Feature
1.1 Console type
1.2 Compact unit body, space saving, nice-looking appearance
1.2.1. This unit body is very thin and harmonious with room. It is elegant and space saving.
1.2.2. The EXV is fixed inside of the indoor unit, compact unit body.
1.3 Flexible installation
1.3.1. Can be used for floor standing or lower wall applications
1.3.2. As a floor standing type, it can be semi or fully recessed without loss of capacity.
1.4 High efficiency filter
1.4.1. Built in Formaldehyde nemesis filter
1.4.2. Active-carbon and biological anti-virus filter is optional.
1.5 High Comfort
1.5.1. Flexible air blow: vertical auto swing and wide angle louvers ensure that warm air reaches the
furthest corners of the room and increase the air flow coverage
1.5.2. Indoor unit adopts DC motor which has five level fan speed meet different requirements.
1.5.3. Low noise operation, lowest to 26dB(A)
1.5.4. Adoption of the Fujikoki brand mechanical expansion valve which has 2000 stages element
positioning, ensure precise flow control, as well lower modulation noise when EXV operating.
1.6 Powerful mode can be selected for rapid cooling or heating.
COOLINGMODE HEATINGMODE
Quick cooling to maintain temp. anti-cold air normal operation

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Console Type MVD-A-VA1 3
Air outlet from 2 optional directions:
Quick cooling mode: air supplying from both top and bottom
Normal cooling mode: from top only
Normal heating mode: air supplying from both top and bottom
Anti-cold fan mode: from top only
Air inlet from 4 directions:
Bottom, Top, and right/left side, for better ventilation.
1.7 Easy cleaning grille and convenient maintenance

MIV V4+ Indoor Units DM12-01.01.02-08en
4 Console Type MVD-A-VA1
2. Specifications
Model MVD22A-VA1 MVD28A-VA1 MVD36A-VA1 MVD45A-VA1
Power supply V- Ph-Hz 220-240V~, 1Ph, 50Hz
Cooling
Capacity kW 2.2 2.8 3.6 4.5
Input W 20 25 25 45
Rated current A 0.09 0.11 0.11 0.20
Heating
Capacity kW 2.6 3.2 4.0 5.0
Input W 20 25 25 45
Rated current A 0.09 0.11 0.11 0.20
Indoor fan
motor
Model RD-280-20-8A RD-280-20-8A RD-280-20-8A RD-280-20-8A
Type DC brushless motor
Brand Welling
Input W 16.8 19.5 19.5 30.5
Speed (hi/mid/lo) r/min 560/530/460 610/560/460 610/560/460 780/680/530
Indoor coil
Number of rows 1 1.5 2 2
Tube pitch(a)*row pitch(b) mm 21*13.37 21*13.37 21*13.37 21*13.37
Fin spacing mm 1.3 1.3 1.3 1.3
Fin type Hydrophilic aluminum
Tube outside diameter and
type mm Ф7
Inner groove tube
Coil length* height *width mm 512*318*22 512*318*44 512*318*44 512*318*44
Number of circuits 1 2 2 2
Indoor air flow (H/M/L) m3/h 430/345/229 510/430/229 510/430/229 660/512/400
Indoor noise level dB(A) 38/32/26 39/33/27 39/33/27 42/39/36
Indoor unit
Dimension (W×H×D) mm 700*600*210
Packing (W×H×D) mm 810*710*305
Net/Gross weight kg 14/19 15/20 15/20 15/20
Refrigerant type R410A
Throttle
Type EXV (Mechanical gear modulation, Integrated with the evaporator)
Model EFM-25YGMISZ-6M-A (Fujikoki)
Design pressure MPa 4.4/2.6
Refrigerant
piping Liquid side/ Gas side mm Ф6.35/Ф12.7 Ф6.35/Ф12.7 Ф6.35/Ф12.7 Ф6.35/Ф12.7
Connecting
wiring
Power wiring mm23*2.5
Signal wiring mm24*0.75
Drainage water pipe diameter Φ16 (outer dia.)
Controller Wireless remote controller RM05/BG(T)E-A (Standard), to set address
Operation temp ℃Cooling：17～32；Heating:10～28
Notes: 1. Nominal cooling capacities are based on the following conditions: return air temp. : 27°CDB, 19°CWB, outdoor
temp.:35°CDB,equivalent ref. Piping: 8m(horizontal)
2. Nominal heating capacities are based on the following conditions: return air temp.: 20°CDB,outdoor temp.:
7°CDB,6°CWB,equivalent ref. Piping: 8m(horizontal)

DM12-01.01.02-08en MIV V4+ Indoor Units
Console Type MVD-A-VA1 5
3. Dimension
MVD22A-VA1 MVD28A-VA1 MVD36A-VA1 MVD45A-VA1
Main dimension:
Outer Length: 700mm, Height: 600mm, Depth: 210mm
Filter length: 550mm
Gas tube: Ф12.7mm
Liquid tube: Ф6.35mm
700mm 210mm
600mm

MIV V4+ Indoor Units DM12-01.01.02-08en
6 Console Type MVD-A-VA1
4. Service Space
There is enough room for installation and maintenance.
The outlet and the inlet are not impeded, and the influence of external air is the least.
The air flow can reach throughout the room.
The connecting pipe and drainpipe could be extracted out easily.
There is no direct radiation from heaters.
Additionally, it is required to keep 20mm between the rear and wall,1700mm vertical distance between
the top of unit(outlet) and the upper obstacle.
≥100mm
≥100mm ≥100mm
≥1000mm

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Console Type MVD-A-VA1 7
5. Piping Diagrams
flare nut
flare nut
T2B
gas side
motor
heat exchanger
fan
EXV
liquid side
T2
T1

MIV V4+ Indoor Units DM12-01.01.02-08en
8 Console Type MVD-A-VA1
6. Wiring Diagram

DM12-01.01.02-08en MIV V4+ Indoor Units
Console Type MVD-A-VA1 9
7. Capacity Tables
7.1Cooling TC: total capacity SC: sensible capacity
WB: wet-bulb temperature DB: dry-bulb temperature
Indoor
Unit size
(kW)
Outdoor
temperature
(DB)
Indoor temperature (WB/DB)
14/20 16/23 18/26 19/27 20/28 22/30 24/32
TC SC TC SC TC SC TC SC TC SC TC SC TC SC
kW kW kW kW kW kW kW kW kW kW kW kW kW kW
2.2
10.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.6 1.6 2.9 1.5
12.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.6 1.6 2.8 1.5
14.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.6 1.6 2.8 1.5
16.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.6 1.6 2.8 1.5
18.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.6 1.6 2.8 1.4
20.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.6 1.6 2.7 1.4
21.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.6 1.6 2.7 1.4
23.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.5 1.5 2.7 1.4
25.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.5 1.5 2.6 1.4
27.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.5 1.5 2.6 1.4
29.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.4 1.4 2.5 1.4
31.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.4 1.4 2.5 1.4
33.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.4 1.4 2.4 1.4
35.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.3 1.3 2.4 1.4
37.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.3 1.6 2.3 1.3 2.3 1.4
39.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.2 1.5 2.3 1.3 2.3 1.4
42.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.2 1.5 2.3 1.3 2.3 1.4
44.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.2 1.5 2.3 1.3 2.3 1.4
46.0 1.5 1.3 1.8 1.4 2.1 1.5 2.2 1.5 2.2 1.5 2.3 1.3 2.3 1.4
2.8
10.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.7 2.0
12.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.6 2.0
14.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.6 2.0
16.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.5 1.9
18.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.5 1.9
20.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.4 1.9
21.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.4 1.9
23.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.3 2.0 3.4 1.9
25.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.2 1.9 3.3 1.9
27.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.2 1.9 3.3 1.9
29.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.1 1.8 3.2 1.8
31.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.1 1.8 3.2 1.7
33.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 3.0 1.9 3.1 1.8 3.1 1.7
35.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 2.9 1.9 3.0 1.8 3.1 1.7
37.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 2.9 1.9 3.0 1.8 3.0 1.7
39.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 2.9 1.9 3.0 1.9 3.0 1.7
42.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 2.9 1.9 3.0 1.9 3.0 1.7
44.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 2.9 1.9 3.0 1.9 3.0 1.7
46.0 1.9 1.6 2.3 1.8 2.6 1.9 2.8 1.9 2.9 1.9 3.0 1.9 3.0 1.7
3.6
10.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.3 2.4 4.7 2.5
12.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.3 2.4 4.7 2.5
14.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.3 2.4 4.6 2.4
16.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.3 2.4 4.5 2.4
18.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.3 2.4 4.5 2.4
20.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.3 2.4 4.4 2.3
21.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.3 2.4 4.4 2.3
23.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.1 2.3 4.3 2.2
25.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.1 2.3 4.2 2.2
27.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.0 2.2 4.2 2.2
29.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.0 2.2 4.1 2.2
31.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.2 2.6 4.1 2.2
33.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.2 2.6 3.9 2.1
35.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.8 2.5 4.2 2.6 3.9 2.1
37.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.7 2.4 3.8 2.3 3.9 2.1
39.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.7 2.4 3.8 2.3 3.8 2.1
42.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.7 2.4 3.8 2.3 3.8 2.1
44.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.7 2.4 3.8 2.3 3.8 2.1
46.0 2.5 1.9 2.9 2.1 3.4 2.3 3.6 2.4 3.7 2.4 3.8 2.3 3.8 2.1
4.5 10.0 3.1 2.4 3.7 2.6 4.2 2.8 4.5 2.9 4.8 3.0 5.3 3.4 5.9 3.0