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25

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Midea AC Fan Coil Unit

2nd generation Two Pipe Ceiling&Floor Series

Technical Service Manual

Midea reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations.

Midea AC Fan Coil Unit

1

2nd Generation Two Pipe Ceiling & Floor

AC Fan Coil Unit

1. Features .......................................................................................................................................2

2. External Appearance....................................................................................................................2

3. Products Lineup............................................................................................................................2

4. Nomenclature...............................................................................................................................3

5. Specifications ...............................................................................................................................4

6. Dimensions.................................................................................................................................39

7. Sound Levels..............................................................................................................................40

8. Service Spaces...........................................................................................................................42

9. Wiring Diagrams.........................................................................................................................43

10. Installation ..................................................................................................................................44

10.1 Transport and handling...............................................................................................44

10.2 Storage conditions......................................................................................................44

10.3 Service spaces............................................................................................................44

10.4 Units installation..........................................................................................................45

10.5 Maintenance ...............................................................................................................52

10.6 Troubleshooting ..........................................................................................................55

Midea AC Fan Coil Unit

2

1. Features

Flexible for installation, designed for horizontal/vertical, concealed/cabinet application

Ceiling Installation

Floor Installation

Concealed Installation

Meet CE certification requirements

The unit can meet the latest CE certification requirements

for usingAC fan motor.

2. External Appearance

Cased Type (H2 Series)

Standard

Uncased Type (H3 Series)

Optional

3. Products Lineup

Model

Air volume

(CFM)

External static pressure

Power supply

MKH2-150R3/MKH3-150R3

MKH2-150R4/MKH3-150R4

150

MKH2- models: 0Pa.

MKH3- models: 12Pa.

220~240V-1Ph-50Hz

220~240V-1Ph-60Hz

MKH2-250R3/MKH3-250R3

MKH2-250R4/MKH3-250R4

250

MKH2-350R3/MKH3-350R3

MKH2-350R4/MKH3-350R4

350

MKH2-500R3/MKH3-500R3

MKH2-500R4/MKH3-500R4

500

MKH2-700R3/MKH3-700R3

MKH2-700R4/MKH3-700R4

700

MKH2-800R3/MKH3-800R3

MKH2-800R4/MKH3-800R4

800

Midea AC Fan Coil Unit

3

4. Nomenclature

M K H2 –V 150 R3

Nominal air volume (CFM)

Power type

V: DC

Non:AC

Type code

H2: Cased type (air return from bottom)

H3: Uncased type

Fan Coil Unit

Midea

Number of tube rows in the heat exchanger

3:3- row

4:4-row

Midea AC Fan Coil Unit

4

5. Specifications

Model

MKH2-150-R3

MKH3-150-R3

MKH2-150-R4

MKH3-150-R4

MKH2-250-R3

MKH3-250-R3

MKH2-250-R4

MKH3-250-R4

Power supply

V/Ph/Hz

220-240/1/50

Air flow (H/M/L)

m3/h

255/165/142

255/192/139

400/273/180

425/284/184

CFM

150/97/84

150/113/82

235/161/106

250/167/109

External static pressure

Pa

H2:0/H3:12

Cooling

Total Capacity (H/M/L)

kW

1.65/1.22/1.09

2.25/1.85/1.46

2.65/2.02/1.40

3.05/2.26/1.63

Water flow rate (H/M/L)

L/h

283/209/186

386/317/249

454/346/240

523/387/280

Water pressure drop (H/M/L)

kPa

22.11/13.10/10.35

49.29/33.22/21.74

18.19/11.29/5.53

33.66/19.73/10.61

Heating

Capacity (H/M/L)

kW

1.85/1.29/1.13

2.35/1.87/1.40

3.05/2.24/1.52

3.15/2.09/1.38

Water flow rate (H/M/L)

L/h

317/222/194

403/320/240

523/384/260

540/357/237

Water pressure drop (H/M/L)

kPa

16.18/8.79/7.11

36.51/24.61/16.1

17.00/9.95/5.26

25.84/13.93/6.77

Power input (H/M/L)

W

35/17/14

40/24/15

47/26/14

47/26/14

Rated current

A

0.15/0.07/0.06

0.17/0.10/0.07

0.20/0.11/0.06

0.20/0.11/0.06

Sound power level

(H/M/L)

dB(A)

47/35/34

53/47/39

46/37/31

47/38/32

Fan motor

Type

AC fan motor

Quantity

1

1

1

1

Fan

Type

Centrifugal, forward-curved Blades

Quantity

1

1

2

2

Coil

Row

3

4

3

4

Max. working pressure

MPa

1.6

1.6

1.6

1.6

Diameter

mm

Φ7.94

Φ7.94

Φ7.94

Φ7.94

H2 Body

Net dimensions (W×H×D)

mm

495×200×790

495×200×790

495×200×1020

495×200×1020

Packing size (W×H×D)

mm

595×300×895

595×300×895

595×300×1125

595×300×1125

Net weight

kg

16.3

16.7

20.0

20.8

Gross weight

kg

21.8

22.2

26.0

26.8

H3 Body

Net dimensions (W×H×D)

mm

455×200×607

455×200×607

455×200×837

455×200×837

Packing size (W×H×D)

mm

555×255×755

555×255×755

555×255×985

555×255×985

Net weight

kg

11.6

12.0

13.9

14.8

Gross weight

kg

15.9

16.3

19.4

20.3

Water inlet/outlet pipe

inch

G3/4

G3/4

G3/4

G3/4

Drain pipe

mm

ODΦ18.5

ODΦ18.5

ODΦ18.5

ODΦ18.5

Notes:

1. H: High fan speed; M: Medium fan speed; L: Low fan speed.

2. Cooling conditions: Entering water 7℃, leaving water 12℃, Entering air temperature 27℃DB/19℃WB.

3. Heating conditions: Entering water 45℃, leaving water 40℃, Entering air temperature 20℃DB/15℃WB.

4. Noise is tested in a reverberation chamber.

Midea AC Fan Coil Unit

5

Model

MKH2-350-R3

MKH3-350-R3

MKH2-350-R4

MKH3-350-R4

MKH2-500-R3

MKH3-500-R3

MKH2-500-R4

MKH3-500-R4

Power supply

V/Ph/Hz

220-240/1/50

Air flow (H/M/L)

m3/h

595/447/319

595/450/319

790/560/392

800/574/404

CFM

350/263/188

350/265/188

465/330/231

471/338/238

External static pressure

Pa

H2:0/H3:12

Cooling

Total Capacity (H/M/L)

kW

3.85/3.19/2.46

4.20/3.38/2.48

4.65/3.80/2.92

5.35/4.25/3.31

Water flow rate (H/M/L)

L/h

660/546/422

720/580/425

797/652/500

917/729/567

Water pressure drop (H/M/L)

kPa

44.15/31.32/19.59

44.3/29.14/16.91

61.58/43.35/27.41

68.61/46.24/29.71

Heating

Capacity (H/M/L)

kW

3.70/2.97/2.25

4.10/3.25/2.39

4.35/3.44/2.62

5.70/4.36/3.22

Water flow rate (H/M/L)

L/h

634/510/386

703/557/409

746/590/449

977/747/552

Water pressure drop (H/M/L)

kPa

37.30/26.07/15.66

39.56/26.06/14.63

54.6/35.94/22.4

59.39/36.80/21.25

Power input (H/M/L)

W

51/32/19

51/32/19

91/54/34

91/54/35

Rated current

A

0.22/0.14/0.08

0.22/0.14/0.08

0.40/0.24/0.15

0.40/0.24/0.15

Sound power level

(H/M/L)

dB(A)

52/44/36

52/45/37

59/51/43

59/51/43

Fan motor

Type

AC fan motor

Quantity

1

1

1

1

Fan

Type

Centrifugal, forward-curved Blades

Quantity

2

2

2

2

Coil

Row

3

4

3

4

Max. working pressure

MPa

1.6

1.6

1.6

1.6

Diameter

mm

Φ7.94

Φ7.94

Φ7.94

Φ7.94

H2 Body

Net dimensions (W×H×D)

mm

495×200×1240

495×200×1240

495×200×1240

495×200×1240

Packing size (W×H×D)

mm

595×300×1345

595×300×1345

595×300×1345

595×300×1345

Net weight

kg

24.0

25.4

24.0

25.4

Gross weight

kg

31.0

32.4

31.0

32.4

H3 Body

Net dimensions (W×H×D)

mm

455×200×1057

455×200×1057

455×200×1057

455×200×1057

Packing size (W×H×D)

mm

555×255×1205

555×255×1205

555×255×1205

555×255×1205

Net weight

kg

17.3

18.2

17.9

18.8

Gross weight

kg

24.0

24.9

24.6

25.5

Water inlet/outlet pipe

inch

G3/4

G3/4

G3/4

G3/4

Drain pipe

mm

ODΦ18.5

ODΦ18.5

ODΦ18.5

ODΦ18.5

Notes:

1. H: High fan speed; M: Medium fan speed; L: Low fan speed.

2. Cooling conditions: Entering water 7℃, leaving water 12℃, Entering air temperature 27℃DB/19℃WB.

3. Heating conditions: Entering water 45℃, leaving water 40℃, Entering air temperature 20℃DB/15℃WB.

4. Noise is tested in a reverberation chamber.

Midea AC Fan Coil Unit

6

Model

MKH2-700-R3

MKH3-700-R3

MKH2-700-R4

MKH3-700-R4

MKH2-800-R3

MKH3-800-R3

MKH2-800-R4

MKH3-800-R4

Power supply

V/Ph/Hz

220-240/1/50

Air flow (H/M/L)

m3/h

1190/855/555

1150/885/591

1300/1088/782

1300/1132/836

CFM

700/503/327

677/521/348

766/641/461

766/667/492

External static pressure

Pa

H2:0/H3:12

Cooling

Total Capacity (H/M/L)

kW

6.00/5.03/3.71

6.75/5.80/4.24

7.35/6.51/5.15

8.25/7.52/5.87

Water flow rate (H/M/L)

L/h

1029/862/636

1157/995/727

1260/1116/884

1414/1289/1007

Water pressure drop (H/M/L)

kPa

62.13/42.69/24.44

46.5/33.73/18.66

48.82/39.82/25.03

74.76/63.56/40.28

Heating

Capacity (H/M/L)

kW

6.15/4.92/3.49

7.15/5.81/4.04

8.20/7.09/5.46

8.50/7.60/5.72

Water flow rate (H/M/L)

L/h

1054/844/598

1226/996/692

1406/1216/937

1457/1302/981

Water pressure drop (H/M/L)

kPa

60.74/40.46/22.16

44.27/30.11/15.39

46.11/35.24/20.65

65.06/49.83/30.28

Power input (H/M/L)

W

123/98/68

110/89/64

123/109/83

118/104/82

Rated current

A

0.53/0.42/0.30

0.48/0.39/0.28

0.53/0.47/0.36

0.51/0.45/0.36

Sound power level

(H/M/L)

dB(A)

63/56/45

62/56/46

62/58/50

62/58/50

Fan motor

Type

AC fan motor

Quantity

1

1

1

1

Fan

Type

Centrifugal, forward-curved Blades

Quantity

3

3

3

3

Coil

Row

3

4

3

4

Max. working pressure

MPa

1.6

1.6

1.6

1.6

Diameter

mm

Φ7.94

Φ7.94

Φ7.94

Φ7.94

H2 Body

Net dimensions (W×H×D)

mm

495×200×1360

495×200×1360

591×200×1360

591×200×1360

Packing size (W×H×D)

mm

595×300×1465

595×300×1465

695×300×1465

695×300×1465

Net weight

kg

27.3

28.5

31.7

34.0

Gross weight

kg

34.8

36.0

40.2

42.0

H3 Body

Net dimensions (W×H×D)

mm

455×200×1177

455×200×1177

550×200×1177

550×200×1177

Packing size (W×H×D)

mm

555×255×1325

555×255×1325

650×255×1325

650×255×1325

Net weight

kg

20.5

21.7

24.0

25.2

Gross weight

kg

27.3

28.5

31.1

32.3

Water inlet/outlet pipe

inch

G3/4

G3/4

G3/4

G3/4

Drain pipe

mm

ODΦ18.5

ODΦ18.5

ODΦ18.5

ODΦ18.5

Notes:

1. H: High fan speed; M: Medium fan speed; L: Low fan speed.

2. Cooling conditions: Entering water 7℃, leaving water 12℃, Entering air temperature 27℃DB/19℃WB.

3. Heating conditions: Entering water 45℃, leaving water 40℃, Entering air temperature 20℃DB/15℃WB.

4. Noise is tested in a reverberation chamber.

Midea AC Fan Coil Unit

7

Capacity Table

Cooling Capacity Table

MKH2(3)-150-R3

EWT

ΔT

Indoor

tempe

(W.B.)

Indoor temperature (D.B.)

21

23

25

27

29

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

°C

°C

°C

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

5

3

15

1.57

1.15

0.45

31.25

1.55

1.3

0.45

30.56

1.56

1.46

0.45

31.2

1.63

1.62

0.47

33.42

1.78

1.78

0.51

39.23

17

2.05

1.18

0.59

50.38

2.04

1.33

0.58

49.74

2.02

1.48

0.58

49.13

2.01

1.62

0.58

48.51

2

1.77

0.58

48.62

19

2.55

1.18

0.73

74.73

2.53

1.33

0.73

73.79

2.51

1.48

0.72

72.89

2.5

1.63

0.72

72.83

2.48

1.78

0.72

71.79

20

-

-

-

-

2.79

1.34

0.81

89.47

2.77

1.49

0.8

88.5

2.75

1.64

0.8

87.39

2.73

1.78

0.79

86.31

4

15

1.17

0.97

0.25

11.22

1.26

1.15

0.27

12.79

1.38

1.35

0.3

14.87

1.53

1.53

0.33

17.92

1.7

1.7

0.37

21.56

17

1.9

1.1

0.41

26.11

1.88

1.25

0.41

25.71

1.86

1.4

0.4

25.32

1.85

1.54

0.4

25.03

1.86

1.7

0.4

25.37

19

2.46

1.14

0.53

41.32

2.44

1.29

0.52

40.79

2.42

1.44

0.52

40.28

2.41

1.59

0.52

39.76

2.39

1.74

0.51

39.26

20

-

-

-

-

2.71

1.3

0.58

49.18

2.69

1.45

0.58

48.58

2.67

1.6

0.57

48

2.65

1.74

0.57

47.42

5

15

0.95

0.85

0.16

5.26

1.05

1.03

0.18

6.23

1.19

1.19

0.21

7.83

1.38

1.38

0.24

10.05

1.57

1.57

0.27

12.62

17

1.37

0.86

0.24

9.87

1.37

1.01

0.24

9.86

1.43

1.19

0.25

10.69

1.53

1.38

0.26

11.97

1.64

1.57

0.28

13.53

19

2.26

1.04

0.39

23.95

2.24

1.2

0.39

23.58

2.22

1.35

0.38

23.23

2.2

1.49

0.38

22.86

2.18

1.64

0.38

22.51

20

-

-

-

-

2.57

1.23

0.44

30.07

2.55

1.38

0.44

29.66

2.53

1.53

0.44

29.25

2.51

1.67

0.43

28.84

6

15

0.89

0.82

0.13

2.91

0.99

0.98

0.14

3.83

1.12

1.12

0.16

5.09

1.27

1.27

0.18

6.29

1.42

1.42

0.2

7.7

17

1.09

0.74

0.16

4.78

1.13

0.9

0.16

5.15

1.2

1.08

0.17

5.73

1.3

1.25

0.19

6.55

1.43

1.42

0.2

7.75

19

1.72

0.8

0.25

10.63

1.68

0.95

0.24

10.29

1.65

1.09

0.24

9.94

1.67

1.25

0.24

10.11

1.73

1.43

0.25

10.81

20

-

-

-

-

2.26

1.09

0.32

17.2

2.23

1.24

0.32

16.88

2.21

1.38

0.32

16.56

2.18

1.53

0.31

16.23

7

3

15

1.15

0.96

0.33

17.88

1.2

1.13

0.35

19.21

1.3

1.3

0.38

22.23

1.47

1.47

0.42

27.44

1.62

1.62

0.46

32.46

17

1.71

1.01

0.49

35.85

1.7

1.16

0.49

35.36

1.69

1.31

0.48

34.87

1.68

1.46

0.48

34.58

1.69

1.62

0.49

35.2

19

2.21

1.02

0.64

57.18

2.2

1.17

0.63

56.45

2.18

1.32

0.63

55.73

2.17

1.47

0.62

55.03

2.15

1.62

0.62

54.33

20

-

-

-

-

2.46

1.18

0.71

70.32

2.44

1.33

0.71

69.45

2.43

1.48

0.7

68.58

2.41

1.63

0.7

67.7

4

15

0.83

0.79

0.18

6.11

0.98

0.98

0.21

8.07

1.18

1.18

0.25

11.15

1.37

1.37

0.29

14.49

1.54

1.54

0.33

17.89

17

1.43

0.88

0.31

15.71

1.41

1.04

0.31

15.37

1.43

1.2

0.31

15.69

1.49

1.37

0.32

16.77

1.57

1.54

0.34

18.48

19

2.1

0.97

0.45

30.69

2.08

1.12

0.45

30.26

2.06

1.27

0.44

29.83

2.05

1.42

0.44

29.41

2.03

1.57

0.44

28.99

20

-

-

-

-

2.37

1.14

0.51

38.13

2.35

1.29

0.51

37.65

2.33

1.44

0.5

37.17

2.32

1.58

0.5

36.69

5

15

0.77

0.75

0.13

3.28

0.9

0.9

0.15

4.67

1.04

1.04

0.18

6.08

1.21

1.21

0.21

7.92

1.41

1.41

0.24

10.25

17

0.93

0.67

0.16

4.99

0.99

0.84

0.17

5.56

1.08

1.01

0.19

6.61

1.23

1.21

0.21

8.07

1.41

1.41

0.24

10.29

19

1.78

0.82

0.31

15.29

1.75

0.97

0.3

14.95

1.73

1.12

0.3

14.63

1.65

1.28

0.29

14.89

1.74

1.43

0.3

14.74

20

-

-

-

-

2.16

1.04

0.37

21.61

2.14

1.19

0.37

21.26

2.12

1.34

0.36

20.93

2.1

1.49

0.36

20.59

6

15

0.71

0.71

0.1

1.81

0.85

0.85

0.12

2.69

0.98

0.98

0.14

3.87

1.12

1.12

0.16

5.02

1.27

1.27

0.18

6.22

17

0.83

0.63

0.12

2.56

0.91

0.8

0.13

3.17

1

0.97

0.14

4.04

1.12

1.12

0.16

5.03

1.27

1.27

0.18

6.24

19

1.14

0.57

0.16

5.16

1.14

0.73

0.16

5.14

1.18

0.89

0.17

5.48

1.25

1.07

0.18

6.03

1.35

1.25

0.19

6.92

20

-

-

-

-

1.48

0.76

0.21

8.1

1.46

0.91

0.21

7.82

1.49

1.08

0.21

8.11

1.57

1.26

0.23

8.94

9

3

15

0.76

0.76

0.22

8.51

0.96

0.96

0.28

12.75

1.13

1.13

0.33

17.02

1.31

1.31

0.37

21.72

1.46

1.46

0.42

26.7

17

1.3

0.82

0.37

21.5

1.28

0.98

0.37

21.12

1.3

1.14

0.37

21.49

1.34

1.3

0.39

22.99

1.46

1.46

0.42

26.79

19

1.85

0.86

0.54

41.55

1.84

1.01

0.53

41.01

1.83

1.17

0.53

40.49

1.81

1.31

0.52

39.96

1.8

1.46

0.52

39.43

20

-

-

-

-

2.1

1.02

0.61

52.27

2.09

1.17

0.6

51.6

2.07

1.32

0.6

50.93

2.06

1.47

0.6

50.28

4

15

0.66

0.66

0.14

4

0.81

0.81

0.17

5.72

0.99

0.99

0.21

8.11

1.19

1.19

0.26

11.17

1.38

1.38

0.3

14.35

17

0.77

0.61

0.17

5.29

0.87

0.79

0.19

6.47

1.02

0.99

0.22

8.51

1.2

1.2

0.26

11.23

1.38

1.38

0.3

14.41

19

1.66

0.77

0.36

19.95

1.64

0.93

0.35

19.6

1.63

1.08

0.35

19.26

1.61

1.23

0.35

18.97

1.63

1.39

0.35

19.26

20

-

-

-

-

1.98

0.96

0.43

27.66

1.97

1.12

0.42

27.27

1.95

1.27

0.42

26.87

1.93

1.41

0.42

26.47

5

15

0.62

0.62

0.11

1.98

0.75

0.75

0.13

3.24

0.89

0.89

0.15

4.6

1.05

1.05

0.18

6.05

1.23

1.23

0.21

8.06

17

0.68

0.56

0.12

2.51

0.78

0.74

0.13

3.46

0.89

0.89

0.15

4.61

1.05

1.05

0.18

6.07

1.24

1.24

0.21

8.09

19

0.97

0.5

0.17

5.32

0.98

0.66

0.17

5.38

1.05

0.84

0.18

6.04

1.17

1.03

0.2

7.28

1.31

1.23

0.23

8.95

20

-

-

-

-

1.6

0.81

0.28

12.58

1.57

0.95

0.27

12.23

1.56

1.1

0.27

11.99

1.59

1.27

0.27

12.49

6

15

0.57

0.57

0.08

1.18

0.71

0.71

0.1

1.8

0.85

0.85

0.12

2.74

0.98

0.98

0.14

3.92

1.12

1.12

0.16

4.96

17

0.6

0.53

0.09

1.31

0.72

0.7

0.1

1.85

0.85

0.85

0.12

2.74

0.99

0.99

0.14

3.89

1.12

1.12

0.16

4.97

19

0.82

0.44

0.12

2.56

0.85

0.61

0.12

2.83

0.93

0.79

0.13

3.43

1.02

0.96

0.15

4.18

1.13

1.12

0.16

5.04

20

-

-

-

-

1

0.58

0.14

4.02

1.03

0.74

0.15

4.27

1.1

0.92

0.16

4.78

1.2

1.09

0.17

5.53

Midea AC Fan Coil Unit

8

(Continued)

MKH2(3)-150-R3

EWT

ΔT

Indoor

tempe

(W.B.)

Indoor temperature (D.B.)

21

23

25

27

29

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

°C

°C

°C

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

kW

kW

m^3/h

kPa

11

3

15

0.57

0.57

0.17

5.14

0.77

0.77

0.22

8.27

0.97

0.97

0.28

12.64

1.14

1.14

0.33

17.03

1.3

1.3

0.38

21.81

17

0.65

0.56

0.19

6.41

0.81

0.77

0.23

9.26

0.97

0.97

0.28

12.77

1.14

1.14

0.33

17.1

1.31

1.31

0.38

21.9

19

1.45

0.69

0.41

25.73

1.44

0.84

0.41

25.52

1.42

0.99

0.41

25.14

1.42

1.15

0.41

25.21

1.43

1.3

0.41

25.48

20

-

-

-

-

1.72

0.85

0.49

35.29

1.7

0.99

0.49

34.8

1.69

1.16

0.49

34.87

1.68

1.31

0.49

34.39

4

15

0.52

0.52

0.11

2.29

0.66

0.66

0.14

3.98

0.82

0.82

0.18

5.66

1.01

1.01

0.22

8.32

1.21

1.21

0.26

11.26

17

0.54

0.5

0.12

2.52

0.66

0.66

0.14

3.99

0.82

0.82

0.18

5.67

1.02

1.02

0.22

8.37

1.21

1.21

0.26

11.3

19

0.81

0.44

0.18

5.65

0.84

0.61

0.18

5.99

0.97

0.81

0.21

7.72

1.13

1.02

0.24

10.02

1.25

1.21

0.27

11.98

20

-

-

-

-

1.47

0.76

0.32

15.97

1.46

0.91

0.31

15.64

1.44

1.06

0.31

15.42

1.47

1.22

0.32

15.89

5

15

0.47

0.47

0.08

1.16

0.61

0.61

0.11

2

0.75

0.75

0.13

3.31

0.89

0.89

0.15

4.55

1.06

1.06

0.18

6.11

17

0.48

0.46

0.08

1.2

0.61

0.61

0.11

2

0.75

0.75

0.13

3.32

0.9

0.9

0.15

4.56

1.06

1.06

0.18

6.14

19

0.64

0.38

0.11

2.19

0.7

0.55

0.12

2.77

0.79

0.73

0.14

3.64

0.9

0.89

0.16

4.63

1.07

1.06

0.18

6.15

20

-

-

-

-

0.82

0.51

0.14

3.9

0.87

0.68

0.15

4.37

0.97

0.86

0.17

5.24

1.12

1.06

0.19

6.67

6

15

0.42

0.42

0.06

0.77

0.57

0.57

0.08

1.17

0.71

0.71

0.1

1.83

0.84

0.84

0.12

2.83

0.98

0.98

0.14

3.88

17

0.43

0.42

0.06

0.78

0.57

0.57

0.08

1.17

0.71

0.71

0.1

1.84

0.85

0.85

0.12

2.84

0.98

0.98

0.14

3.89

19

0.53

0.35

0.07

1.06

0.62

0.52

0.09

1.37

0.73

0.69

0.1

1.95

0.85

0.85

0.12

2.85

0.98

0.98

0.14

3.9

20

-

-

-

-

0.71

0.47

0.1

1.83

0.78

0.65

0.11

2.36

0.88

0.81

0.13

3.12

0.99

0.98

0.14

3.96

13

3

15

0.43

0.43

0.12

2.95

0.58

0.58

0.17

5.15

0.77

0.77

0.23

8.69

0.97

0.97

0.28

12.71

1.14

1.14

0.33

16.94

17

0.43

0.43

0.12

2.95

0.58

0.58

0.17

5.16

0.78

0.78

0.23

8.72

0.98

0.98

0.28

12.75

1.14

1.14

0.33

17.01

19

0.75

0.42

0.22

8.11

0.81

0.6

0.23

9.12

0.91

0.79

0.26

11.27

1.01

0.98

0.29

13.7

1.15

1.14

0.33

17.02

20

-

-

-

-

1.26

0.67

0.36

20.22

1.25

0.83

0.36

19.82

1.25

0.98

0.36

19.75

1.28

1.14

0.37

20.62

4

15

0.38

0.38

0.08

1.17

0.52

0.52

0.11

2.37

0.66

0.66

0.14

3.93

0.83

0.83

0.18

5.8

1.03

1.03

0.22

8.49

17

0.38

0.38

0.08

1.17

0.52

0.52

0.11

2.39

0.66

0.66

0.14

3.94

0.83

0.83

0.18

5.82

1.04

1.04

0.22

8.53

19

0.47

0.32

0.1

1.81

0.55

0.49

0.12

2.75

0.67

0.66

0.14

3.98

0.83

0.83

0.18

5.84

1.04

1.04

0.22

8.57

20

-

-

-

-

0.64

0.45

0.14

3.75

0.73

0.63

0.16

4.65

0.88

0.83

0.19

6.46

1.07

1.04

0.23

8.92

5

15

0.33

0.33

0.06

0.68

0.47

0.47

0.08

1.15

0.61

0.61

0.11

2.02

0.75

0.75

0.13

3.26

0.9

0.9

0.15

4.46

17

0.36

0.36

0.05

0.69

0.47

0.47

0.08

1.15

0.61

0.61

0.11

2.03

0.75

0.75

0.13

3.27

0.9

0.9

0.15

4.47

19

0.37

0.28

0.06

0.77

0.49

0.46

0.08

1.21

0.61

0.61

0.11

2.04

0.75

0.75

0.13

3.28

0.9

0.9

0.15

4.49

20

-

-

-

-

0.54

0.41

0.09

1.53

0.64

0.59

0.11

2.28

0.76

0.75

0.13

3.32

0.9

0.9

0.15

4.49

6

15

0.27

0.27

0.04

0.46

0.42

0.42

0.06

0.73

0.57

0.57

0.08

1.14

0.7

0.7

0.1

1.84

0.84

0.84

0.12

2.83

17

0.27

0.27

0.04

0.46

0.42

0.42

0.06

0.73

0.57

0.57

0.08

1.15

0.71

0.71

0.1

1.84

0.84

0.84

0.12

2.84

19

0.29

0.24

0.04

0.49

0.43

0.42

0.06

0.74

0.57

0.57

0.08

1.14

0.71

0.71

0.1

1.85

0.84

0.84

0.12

2.85

20

-

-

-

-

0.46

0.38

0.07

0.81

0.58

0.55

0.08

1.2

0.71

0.71

0.1

1.86

0.84

0.84

0.12

2.85

15

3

15

0.28

0.28

0.08

1.15

0.43

0.43

0.12

2.94

0.59

0.59

0.17

5.13

0.79

0.79

0.23

8.7

0.98

0.98

0.28

12.56

17

0.28

0.28

0.08

1.16

0.43

0.43

0.12

2.95

0.59

0.59

0.17

5.14

0.79

0.79

0.23

8.74

0.98

0.98

0.28

12.61

19

0.31

0.26

0.09

1.36

0.43

0.43

0.12

2.96

0.59

0.59

0.17

5.17

0.8

0.8

0.23

8.78

0.98

0.98

0.28

12.66

20

-

-

-

-

0.48

0.39

0.14

3.61

0.62

0.58

0.18

5.61

0.81

0.8

0.23

9

0.98

0.98

0.28

12.65

4

15

0.23

0.23

0.05

0.58

0.38

0.38

0.08

1.15

0.52

0.52

0.11

2.39

0.66

0.66

0.14

3.85

0.85

0.85

0.18

5.95

17

0.23

0.23

0.05

0.58

0.38

0.38

0.08

1.15

0.52

0.52

0.11

2.4

0.66

0.66

0.14

3.86

0.85

0.85

0.18

5.98

19

0.24

0.22

0.05

0.6

0.38

0.38

0.08

1.15

0.52

0.52

0.11

2.41

0.66

0.66

0.14

3.87

0.85

0.85

0.18

6

20

-

-

-

-

0.4

0.36

0.09

1.28

0.52

0.52

0.11

2.42

0.66

0.66

0.14

3.88

0.85

0.85

0.18

6.02

5

15

0.17

0.17

0.03

0.34

0.33

0.33

0.06

0.66

0.47

0.47

0.08

1.16

0.61

0.61

0.11

2.1

0.75

0.75

0.13

3.27

17

0.17

0.17

0.03

0.34

0.33

0.33

0.06

0.66

0.47

0.47

0.08

1.16

0.61

0.61

0.11

2.11

0.75

0.75

0.13

3.28

19

0.17

0.17

0.03

0.34

0.33

0.33

0.06

0.66

0.47

0.47

0.08

1.16

0.61

0.61

0.11

2.12

0.75

0.75

0.13

3.29

20

-

-

-

-

0.34

0.32

0.06

0.67

0.47

0.47

0.08

1.16

0.61

0.61

0.11

2.12

0.75

0.75

0.13

3.29

6

15

-

-

-

-

0.27

0.27

0.04

0.44

0.42

0.42

0.06

0.7

0.56

0.56

0.08

1.14

0.7

0.7

0.1

1.88

17

-

-

-

-

0.27

0.27

0.04

0.44

0.42

0.42

0.06

0.7

0.57

0.57

0.08

1.14

0.7

0.7

0.1

1.88

19

-

-

-

-

0.27

0.27

0.04

0.44

0.42

0.42

0.06

0.7

0.57

0.57

0.08

1.14

0.7

0.7

0.1

1.89

20

-

-

-

-

0.27

0.27

0.04

0.44

0.42

0.42

0.06

0.7

0.57

0.57

0.08

1.14

0.71

0.71

0.1

1.89

Abbreviations:

EWT: Enter Water Temp. (℃)

Δt: Temperature Difference (℃)

DB: Dry Bulb Temp. (℃)

WF: Water Flow (m3/h)

WB: Wet Bulb Temp. (℃)

TC: Total Cooling Capacity (kW)

SC: Sensible Cooling Capacity (kW)

WPD: Water Pressure Drop (kPa)

Midea AC Fan Coil Unit

9

MKH2(3)-250-R3

EW

T

ΔT

Indoor

tempe

(W.B.)

Indoor temperature (D.B.)

21

23

25

27

29

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

TC

SC

WF

WPD

[°C]

[°C

]

[°C]

[kW

]

[kW

]

[m^3/h

]

[kPa]

[kW

]

[kW

]

[m^3/h

]

[kPa]

[kW

]

[kW

]

[m^3/h

]

[kPa]

[kW

]

[kW

]

[m^3/h

]

[kPa]

[kW

]

[kW

]

[m^3/h

]

[kPa]

5

3

15

2.38

1.76

0.68

28.7

2.36

1.99

0.68

28.4

2.38

2.23

0.69

28.7

7

2.48

2.48

0.71

30.8

9

2.7

2.7

0.78

35.9

3

17

3.09

1.78

0.89

45.3

7

3.07

2.01

0.89

44.8

1

3.05

2.24

0.88

44.2

8

3.03

2.47

0.87

43.7

6

3.01

2.69

0.87

43.3

5

19

3.86

1.79

1.11

66.2

5

3.83

2.02

1.1

65.4

5

3.8

2.25

1.1

64.6

8

3.78

2.48

1.09

63.9

2

3.75

2.7

1.08

63.1

7

20

-

-

-

-

4.23

2.02

1.22

77.4

1

4.2

2.26

1.21

76.5

4.17

2.48

1.2

75.6

4.14

2.71

1.19

74.7

1

4

15

2.18

1.66

0.47

14.9

9

2.19

1.91

0.47

15.1

6

2.26

2.16

0.49

15.9

6

2.4

2.4

0.52

17.8

2.64

2.64

0.57

20.8

2

17

2.92

1.69

0.63

24.7

4

2.89

1.92

0.62

24.4

3

2.87

2.15

0.62

24.1

4

2.86

2.39

0.62

23.9

7

2.87

2.62

0.62

24.1

5

19

3.69

1.71

0.8

37.1

8

3.67

1.94

0.79

36.7

5

3.64

2.17

0.79

36.3

2

3.62

2.4

0.78

35.9

3.59

2.63

0.78

35.4

9

20

-

-

-

-

4.07

1.95

0.87

43.6

2

4.04

2.18

0.87

43.1

1

4.02

2.42

0.86

42.6

6

3.99

2.64

0.86

42.1

2

5

15

1.95

1.55

0.34

8.46

2.02

1.81

0.35

8.97

2.14

2.08

0.37

9.87

2.33

2.33

0.4

11.4

6

2.56

2.56

0.44

13.4

8

17

2.71

1.59

0.47

14.7

8

2.69

1.82

0.46

14.6

2.67

2.06

0.46

14.4

4

2.68

2.3

0.46

14.5

7

2.74

2.54

0.47

15.0

7

19

3.51

1.62

0.6

23.0

1

3.48

1.85

0.6

22.7

5

3.46

2.08

0.6

22.4

8

3.44

2.32

0.59

22.2

2

3.41

2.54

0.59

21.9

8

20

-

-

-

-

3.9

1.87

0.67

27.5

9

3.87

2.1

0.67

27.2

7

3.84

2.33

0.66

26.9

6

3.82

2.55

0.66

26.6

5

6

15

1.69

1.43

0.24

4.86

1.84

1.71

0.26

5.61

2.01

1.99

0.29

6.55

2.24

2.24

0.32

7.85

2.48

2.48

0.36

9.32

17

2.45

1.47

0.35

9.11

2.43

1.71

0.35

8.98

2.45

1.95

0.35

9.09

2.5

2.2

0.36

9.45

2.6

2.46

0.37

10.0

7

19

3.29

1.52

0.47

15.0

2

3.27

1.75

0.47

14.8

5

3.24

1.99

0.47

14.6

7

3.22

2.22

0.46

14.5

3.2

2.45

0.46

14.3

5

20

-

-

-

-

3.69

1.77

0.53

18.3

1

3.67

2

0.53

18.1

3.64

2.24

0.52

17.8

9

3.62

2.46

0.52

17.6

9

7

3

15

1.84

1.51

0.53

18.3

1.88

1.75

0.54

18.9

6

2

2

0.58

21.1

4

2.24

2.24

0.65

25.5

3

2.47

2.47

0.71

30.0

3

17

2.56

1.52

0.74

31.9

2.55

1.77

0.73

31.6

2

2.53

1.99

0.72

31.1

2.52

2.22

0.72

30.9

9

2.56

2.46

0.73

31.7

6

19

3.33

1.54

0.96

50.3

5

3.31

1.77

0.95

49.7

4

3.29

2

0.94

49.1

4

3.27

2.23

0.94

48.5

5

3.24

2.46

0.93

47.9

7

20

-

-

-

-

3.72

1.78

1.08

61.6

6

3.69

2.01

1.06

60.0

9

3.66

2.24

1.05

59.3

7

3.64

2.47

1.05

58.6

6

4

15

1.65

1.41

0.36

9.18

1.75

1.68

0.38

10.1

8

1.93

1.93

0.42

12.0

3

2.17

2.17

0.47

14.6

7

2.4

2.4

0.52

17.4

4

17

2.36

1.43

0.51

16.9

8

2.35

1.67

0.51

16.7

6

2.34

1.9

0.5

16.6

7

2.37

2.15

0.51

17.1

2.45

2.39

0.53

18.1

5

19

3.15

1.45

0.68

27.6

1

3.13

1.69

0.67

27.2

7

3.11

1.92

0.67

26.9

5

3.09

2.15

0.66

26.6

3

3.06

2.38

0.66

26.2

9

20

-

-

-

-

3.54

1.7

0.76

33.7

5

3.52

1.94

0.76

33.3

7

3.49

2.16

0.75

32.9

6

3.47

2.39

0.75

32.5

7

5

15

1.44

1.3

0.25

5.01

1.62

1.59

0.28

6.09

1.85

1.85

0.32

7.61

2.09

2.09

0.36

9.37

2.32

2.32

0.4

11.2

5

17

2.11

1.32

0.36

9.5

2.1

1.56

0.36

9.43

2.15

1.82

0.37

9.78

2.23

2.07

0.38

10.4

4

2.35

2.32

0.41

11.4

8

19

2.94

1.36

0.5

16.6

2.92

1.59

0.5

16.3

9

2.9

1.83

0.5

16.2

2.65

2.06

0.46

15.7

5

2.87

2.29

0.49

15.9

3

20

-

-

-

-

3.34

1.61

0.57

20.6

8

3.32

1.84

0.57

20.4

4

3.29

2.08

0.57

20.2

3.27

2.3

0.56

19.9

6

6

15

1.07

1.07

0.15

1.78

1.46

1.46

0.21

3.61

1.75

1.75

0.25

5.05

2

2

0.29

6.34

2.24

2.24

0.32

7.67

17

1.77

1.17

0.25

5.13

1.83

1.44

0.26

5.45

1.94

1.71

0.28

6.01

2.08

1.98

0.3

6.77

2.25

2.24

0.32

7.74

19

2.68

1.25

0.38

10.3

6

2.66

1.48

0.38

10.2

2

2.64

1.72

0.38

10.1

2.63

1.95

0.38

10.0

5

2.66

2.2

0.38

10.2

7

20

-

-

-

-

3.1

1.51

0.44

13.3

3.08

1.74

0.44

13.1

4

3.06

1.97

0.44

12.9

8

3.04

2.2

0.44

12.8

3

9

3

15

1.35

1.27

0.39

10.5

3

1.53

1.53

0.44

13

1.76

1.76

0.51

16.5

2

2

0.57

20.4

4

2.23

2.23

0.64

24.6

6

17

1.99

1.27

0.57

20.3

1.97

1.5

0.57

20

1.99

1.74

0.57

20.2

6

2.05

1.99

0.59

21.4

7

2.23

2.23

0.64

24.7

4

19

2.78

1.29

0.8

36.5

5

2.76

1.52

0.8

36.0

9

2.74

1.76

0.79

35.6

4

2.72

1.99

0.79

35.1

9

2.69

2.22

0.77

34.2

6

20

-

-

-

-

3.16

1.53

0.92

45.8

5

3.14

1.77

0.91

45.2

9

3.12

2

0.9

44.7

3

3.1

2.23

0.9

44.1

9

4

15

1.2

1.18

0.26

5.3

1.44

1.44

0.31

7.14

1.69

1.69

0.36

9.33

1.93

1.93

0.41

11.7

2.16

2.16

0.46

14.2

4

17

1.73

1.16

0.37

9.77

1.75

1.4

0.38

9.95

1.83

1.66

0.39

10.6

9

1.95

1.93

0.42

11.9

8

2.16

2.16

0.47

14.2

8

19

2.56

1.19

0.55

19.0

5

2.55

1.43

0.55

18.8

2

2.53

1.66

0.54

18.5

6

2.51

1.9

0.54

18.3

4

2.52

2.14

0.54

18.5

20

-

-

-

-

2.97

1.45

0.64

24.7

5

2.95

1.68

0.64

24.4

5

2.93

1.92

0.63

24.1

5

2.91

2.15

0.63

23.6

6

5

15

1

1

0.17

2.32

1.34

1.34

0.23

4.34

1.6

1.6

0.28

5.85

1.85

1.85

0.32

7.48

2.09

2.09

0.36

9.24

17

1.42

1.03

0.24

4.76

1.53

1.3

0.26

5.42

1.67

1.58

0.29

6.33

1.85

1.85

0.32

7.54

2.09

2.09

0.36

9.16

19

2.31

1.09

0.4

10.8

2.29

1.33

0.39

10.6

7

2.27

1.56

0.39

10.5

1

2.29

1.8

0.39

10.6

7

2.35

2.06

0.4

11.1

4

20

-

-

-

-

2.73

1.35

0.47

14.4

8

2.71

1.58

0.47

14.2

9

2.69

1.82

0.46

14.1

1

2.68

2.05

0.46

14.0

5

6

15

0.79

0.79

0.11

1.05

1.12

1.12

0.16

1.96

1.49

1.49

0.21

3.77

1.75

1.75

0.25

4.99

2

2

0.29

6.23

17

0.82

0.75

0.12

1.11

1.17

1.12

0.17

2.21

1.52

1.48

0.22

3.91

1.75

1.75

0.25

5.01

2

2

0.29

6.25

19

1.97

0.95

0.28

6.03

1.95

1.19

0.28

5.93

1.98

1.44

0.28

6.09

2.05

1.67

0.29

6.47

2.17

1.97

0.31

7.16

20

-

-

-

-

2.44

1.23

0.35

8.72

2.42

1.47

0.35

8.6

2.42

1.7

0.35

8.57

2.46

1.95

0.35

8.81