Midea H2 Series Operating manual

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