Midea Elite Series Operating manual

GD Midea Refrigeration Equipment Co.,Ltd
SPLIT TYPE, HEAT PUMP AIR CONDITIONERS
Technical & service manual 2005
Elite Series(7000-18000) R22 Wall Mounted
[Models]
MSE-07CR
MSE-07HR
MSE-09CR
MSE-09HR
MSE-12CR
MSE-12HR
MSE-18CR
MSE-18HR

1
Elite SERIES (R22)
Contents
1. Features………………………………………………………………… 02
2. Specification………………………………………………………..……03
3. Dimensions…………………………………………………………..… 05
4. Refrigeration cycle diagram……………………………………………08
5. Capacity table…………………………………………………………...09
6. Wiring diagram…………………………………………………..………15
7. Electronic function………………………………………….…………...20
8. Troubleshooting……………………………………………………….…28
9. Characteristic of temp. sensor…………………………………………31

2
1.Features
1.1Compact design
1.2LED display

3
2.Specification
MSE-07CR MSE-07HR MSE-09CR MSE-09HR
Ph-V-Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz
Capacity Btu/h 7000 7000 9000 9000
Input W 800 800 1050 1050
Rated current A 3.5 3.5 4.6 4.6
EER Btu/w.h, w/w 8.8,2.6 8.8,2.6 8.6,2.5 8.6,2.5
Capacity Btu/h 8000 10000
Input W 800 1020
Rated current A 3.5 4.45
COP W/W 2.93 2.88
L/h 0.8 0.8 1.0 1.0
W 1300 1000 1350 1350
A 6.8 5.0 6.0 6.0
A 17.2 17.2 18.0 18.0
Model 2P14C225ANA 2P14C225ANA 2P18S225ANK 2P18S225ANK
T
yp
e Rotar
y
Rotar
y
Rotar
y
Rotar
y
Brand GD Matsushita GD Matsushita GD Matsushita GD Matsushita
Ca
p
acit
y
Btu/h 7500 7500 9920 9920
In
p
ut W 725 725 970 970
Rated current
(
RL A 3.4 3.4 4.5 4.5
Locked rotor Am
p
A15152424
Thermal
p
rotector B160-135-141E MRA98854
x
ternal（MRA98745
x
ternal（MRA98745
Ca
p
acitor uF 25 25 30 30
Refri
g
erant oil ml ATOMOS M60 270 ATOMOS M60 270 SUNISO 350 SUNISO 350
Model RPG13H RPG13H RPG13H RPG13H
Brand Wellin
g
Wellin
g
Wellin
g
Wellin
g
In
p
ut W 39.5 39.5 39.5 39.5
Ca
p
acitor uF 1.2 1.2 1.2 1.2
S
p
eed
(
hi/mi/lo
)
r/min 1050/950/800 1050/950/800 1250/1100/850 1250/1100/850
m3/h 400/35/300 400/35/300 450/400/350 450/400/350
dB(A) 35/32/30 35/32/30 37/34/32 37/34/32
Dimension (W*H
*
mm 710×250×195 710×250×195 710×250×195 710×250×195
Packing (W*H*
D
mm 800×340×270 800×340×270 800×340×270 800×340×270
Net/Gross weight Kg
Model YDK24-6T YDK24-6T YDK24-6T YDK24-6T
Brand Welling Welling Welling Welling
Input W 70 70 70 70
Capacitor uF 3333
Speed r/min 850 850 850 850
m3/h 1500 1500 1800 1800
dB(A) 49 49 50 50
Dimension(W*H*
D
mm 700X535X235 700X535X235 700X535X235 700X535X235
Packing (W*H*D mm 815X580X325 815X580X325 815X580X325 815X580X325
Net/Gross weight Kg 28/31 28/31 28/31 28/31
g 530 570 580 800
MPa 2.6 2.6 2.6 2.6
Liquid side/ Gas
s
mm(inch) Ф6.35/Ф9.53 Ф6.35/Ф9.53 Ф6.35/Ф9.53 Ф6.35/Ф9.53
Max. refrigerant
p
m10101010
Max. difference i
n
m5555
16A 16A 16A 16A
Electrolic control Electrolic control Electrolic control Electrolic control
℃17-30 17-30 17-30 17-30
℃18?-45 -7 -?45 18?-45 -7 -?45
m2 10-14 10-14 14-21 14-21
set 126/272/298 126/272/298 126/272/298 126/272/298
Ambient temp
Application area
Qty’per 20’ /40’ /40'HQ
Connection wiring
Plug type
Thermostat type
Operation temp
Outdoor unit
Refrigerant type R22(R407C)
Design pressure
Refrigerant piping
Indoor unit
Outdoor fan moto
r
Outdoor air flow
Outdoor noise level
Compressor
Indoor fan motor
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Moisture Removal
Max. input consumption
Max. current
Starting current
Model
Power supply
Cooling
Heating
★1 The noise date is base on hemi-anechoic chamber, during actual operation, these values are normally somewhat different as a result of ambient
condition.

4
MSE-12CR MSE-12HR MSE-18CR MSE-18HR
Ph-V-Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz
Capacity Btu/h 12000 12000 18000 18000
Input W 1350 1350 1960 1960
Rated current A 6.0 6.0 9.4 9.4
EER Btu/w.h, w/w 8.9,2.6 8.9,2.6 9.2,2.7 9.2,2.7
Capacity Btu/h 14000 / 20500
Input W 1350 / 1890
Rated current A 6.0 /8.6
COP W/W 3.0 / 3.2
L/h 1.5 1.5 1.9
W1700 1700 2200 2130
A 8.0 8.0 10.2 10.4
A25 25 36 36
Model PH225X2C-4FT PH225X2C-4FT PH290X2C-4FT1 PH290X2C-4FT1
T
yp
e Rotar
y
Rotar
y
Rotar
y
Rotar
y
Brand GMCC GMCC GD Toshiba GD Toshiba
Ca
p
acit
y
Btu/h 13197/13299 13197/13299 17435 17435
In
p
ut W 1250/1285 1250/1285 1670 1670
Rated current
(
RL A 5.7/5.5 5.7/5.5 8.0 8.0
Locked rotor Am
p
A 29.9/33 29.9/33 41.2 41.2
Thermal
p
rotector UP3RE0591-T56 UP3RE0591-T56 Internal Internal
Ca
p
acitor uF 35 35 35 35
Refri
g
erant oil ml 480 480 520 520
Model RPG13D RPG13D RPG25 RPG25
Brand Wellin
g
Wellin
g
Wellin
g
Wellin
g
In
p
ut W 38.5 38.5 53 53
Ca
p
acitor uF 1.5uF/450V 1.5uF/450V
S
p
eed
(
hi/mi/lo
)
r/min 1180/1000/850 1180/1000/850 1180/1080/800 1180/1080/800
m3/h 580/500/420 580/500/420 800/730/600 800/730/600
dB(A) 37/32/28 37/32/28 42/40/38 42/40/38
Dimension (W*H
*
mm 790x265x195 790x265x195 920×292×225 920×292×225
Packing (W*H*
D
mm 875×375×285 875×375×285 1015X370X295 1015X370X295
Net/Gross weight Kg 9.0/11.5 9.0/11.5 13/15 13/15
Model YDK24-6 YDK24-6 YDK36-6 YDK36-6
Brand Welling Welling WELLING WELLING
Input W 85 85 96 96
Capacitor uF 2.5μF/450V 2.5μF/450V 2.5μF/450V 2.5μF/450V
Speed r/min 900 900 900 900
m3/h 2000 2000 1800 1800
dB(A) 54 54 56 56
Dimension(W*H*
D
mm 780×540×250 780×540×250 780X540X250 780X540X250
Packing (W*H*D mm 910x575x335 910x575x335 910x575x335 910x575x335
Net/Gross weight Kg 34/37 34/37 37/40 40/43
g850 900 1130 1400
MPa 2.6 2.6 2.6 2.6
Liquid side/ Gas
s
mm(inch) Ф6.35/φ12.7 Ф6.35/φ12.7 Ф6.35/Ф9.53 Ф6.35/Ф9.53
Max. refrigerant
p
m10101010
Max. difference i
n
m5555
No No No No
16A 16A No No
Electronic control Electronic control Electronic control Electronic control
℃17-30 17-30 17-30 17-30
℃18-45 —7-45 17-45 —7-45
m2 18-26 18-26 30-40 30-40
set 108/226/266 108/226/266 100/210/245 100/210/245
Ambient temp
Application area
Qty’per 20’ /40’ /40'HQ
Connection wiring
Plug type
Thermostat type
Operation temp
Outdoor unit
Refrigerant type R22(R407C)
Design pressure
Refrigerant piping
Indoor unit
Outdoor fan moto
r
Outdoor air flow
Outdoor noise level
Compressor
Indoor fan motor
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Moisture Removal
Max. input consumption
Max. current
Starting current
Model
Power supply
Cooling
Heating
★1 The noise date is base on hemi-anechoic chamber, during actual operation, these values are normally somewhat different as a result of ambient
condition.

5
3.Dimensions
3.1 Indoor unit
MSE-07CR, MSE-07HR
MSE-09CR, MSE-09HR
MSE-12CR, MSE-12HR

6
MSE-18CR, MSE-18HR

7
3.4 Outdoor unit
MSE-07CR, MSE-07HR
MSE-09CR, MSE-09HR
3.5 Outdoor unit
MSE-12CR, MSE-12HR
MSE-18CR, MSE-18HR

8
4.Refrigeration cycle diagram

9
5. Capacity table
5.1 MSE-07CR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.02 1.92 1.79 1.64 1.51 1.41
Sensitive capacity kW 1.44 1.39 1.34 1.27 1.20 1.15
21ºC D
15ºC W Input kW. 0.70 0.76 0.82 0.88 0.95 1.00
Total capacity kW 2.16 2.07 1.95 1.83 1.71 1.60
Sensitive capacity kW 1.53 1.48 1.43 1.38 1.34 1.32
24ºC D
17ºC W Input kW. 0.70 0.77 0.84 0.90 0.97 1.03
Total capacity kW 2.32 2.27 2.15 1.98 1.81 1.65
Sensitive capacity kW 1.65 1.62 1.56 1.48 1.41 1.34
27ºC D
19ºC W Input kW. 0.72 0.79 0.85 0.92 0.99 1.05
Total capacity kW 2.36 2.39 2.36 2.28 2.18 2.07
Sensitive capacity kW 1.57 1.59 1.57 1.55 1.53 1.54
32ºC D
23ºC W Input kW. 0.71 0.19 0.87 0.95 1.03 1.10
5.2 MSE-07HR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.02 1.92 1.79 1.64 1.51 1.41
Sensitive capacity kW 1.44 1.39 1.34 1.27 1.20 1.15
21ºC D
15ºC W Input kW. 0.70 0.76 0.82 0.88 0.95 1.00
Total capacity kW 2.16 2.07 1.95 1.83 1.71 1.60
Sensitive capacity kW 1.53 1.48 1.43 1.38 1.34 1.32
24ºC D
17ºC W Input kW. 0.70 0.77 0.84 0.90 0.97 1.03
Total capacity kW 2.32 2.27 2.15 1.98 1.81 1.65
Sensitive capacity kW 1.65 1.62 1.56 1.48 1.41 1.34
27ºC D
19ºC W Input kW. 0.72 0.79 0.85 0.92 0.99 1.05
Total capacity kW 2.36 2.39 2.36 2.28 2.18 2.07
Sensitive capacity kW 1.57 1.59 1.57 1.55 1.53 1.54
32ºC D
23ºC W Input kW. 0.71 0.19 0.87 0.95 1.03 1.10

10
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 2.75 2.45 2.17 1.40 1.17 1.13
15ºC Input kW. 0.97 0.86 0.77 0.67 0.62 0.65
Capacity kW 2.60 2.33 2.10 1.33 1.23 1.09
18ºC Input kW. 0.99 0.86 0.78 0.71 0.68 0.68
Capacity kW 2.58 2.35 2.08 1.27 1.14 1.11
20ºC Input kW. 1.02 0.90 0.81 0.71 0.67 0.64
Capacity kW 2.40 2.29 1.99 1.07 1.15 1.07
22ºC Input kW. 0.94 0.89 0.81 0.70 0.68 0.63
5.3 MSE-09CR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.44 2.32 2.16 1.98 1.82 1.70
Sensitive capacity kW 1.68 1.63 1.56 1.48 1.40 1.34
21ºC D
15ºC W Input kW. 0.87 0.95 1.02 1.09 1.17 1.24
Total capacity kW 2.62 2.50 2.36 2.20 2.07 1.94
Sensitive capacity kW 1.78 1.73 1.67 1.61 1.56 1.54
24ºC D
17ºC W Input kW. 0.87 0.95 1.03 1.11 1.20 1.28
Total capacity kW 2.80 2.75 2.60 2.40 2.18 1.99
Sensitive capacity kW 1.93 1.89 1.82 1.73 1.64 1.57
27ºC D
19ºC W Input kW. 0.89 0.97 1.05 1.14 1.22 1.30
Total capacity kW 2.85 2.90 2.86 2.76 2.63 2.50
Sensitive capacity kW 1.83 1.85 1.84 1.81 1.78 1.79
32ºC D
23ºC W Input kW. 0.88 0.98 1.07 1.17 1.27 1.37

11
5.4 MSE-09HR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.44 2.32 2.16 1.98 1.82 1.70
Sensitive capacity kW 1.68 1.63 1.56 1.48 1.40 1.34
21ºC D
15ºC W Input kW. 0.87 0.95 1.02 1.09 1.17 1.24
Total capacity kW 2.62 2.50 2.36 2.20 2.07 1.94
Sensitive capacity kW 1.78 1.73 1.67 1.61 1.56 1.54
24ºC D
17ºC W Input kW. 0.87 0.95 1.03 1.11 1.20 1.28
Total capacity kW 2.80 2.75 2.60 2.40 2.18 1.99
Sensitive capacity kW 1.93 1.89 1.82 1.73 1.64 1.57
27ºC D
19ºC W Input kW. 0.89 0.97 1.05 1.14 1.22 1.30
Total capacity kW 2.85 2.90 2.86 2.76 2.63 2.50
Sensitive capacity kW 1.83 1.85 1.84 1.81 1.78 1.79
32ºC D
23ºC W Input kW. 0.88 0.98 1.07 1.17 1.27 1.37
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 3.58 3.18 2.80 1.82 1.52 1.47
15ºC Input kW. 1.18 1.05 0.94 0.81 0.75 0.80
Capacity kW 3.37 3.02 2.72 1.73 1.60 1.41
18ºC Input kW. 1.20 1.05 0.96 0.86 0.83 0.84
Capacity kW 3.35 3.05 2.70 1.64 1.48 1.44
20ºC Input kW. 1.24 1.08 0.98 0.86 0.82 0.82
Capacity kW 3.11 2.97 2.57 1.40 1.50 1.39
22ºC Input kW. 1.14 1.07 0.98 0.86 0.82 0.79

12
5.5 MSE-12CR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 3.38 3.21 2.99 2.75 2.52 2.35
Sensitive capacity kW 2.53 2.28 2.18 2.07 1.96 1.88
21ºC D
15ºC W Input kW. 1.20 1.30 1.41 1.51 1.61 1.72
Total capacity kW 3.62 3.46 3.26 3.06 2.86 2.68
Sensitive capacity kW 2.50 2.42 2.34 2.25 2.19 2.16
24ºC D
17ºC W Input kW. 1.20 1.31 1.43 1.54 1.65 1.76
Total capacity kW 3.88 3.80 3.60 3.32 3.02 2.76
Sensitive capacity kW 2.71 2.65 2.55 2.42 2.30 2.19
27ºC D
19ºC W Input kW. 1.23 1.34 1.45 1.57 1.68 1.80
Total capacity kW 3.95 4.01 3.95 3.82 3.64 3.46
Sensitive capacity kW 2.56 2.59 2.57 2.53 2.50 2.51
32ºC D
23ºC W Input kW. 1.22 1.35 1.48 1.62 1.75 1.89
5.6 MSE-12HR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 3.38 3.21 2.99 2.75 2.52 2.35
Sensitive capacity kW 2.53 2.28 2.18 2.07 1.96 1.88
21ºC D
15ºC W Input kW. 1.20 1.30 1.41 1.51 1.61 1.72
Total capacity kW 3.62 3.46 3.26 3.06 2.86 2.68
Sensitive capacity kW 2.50 2.42 2.34 2.25 2.19 2.16
24ºC D
17ºC W Input kW. 1.20 1.31 1.43 1.54 1.65 1.76
Total capacity kW 3.88 3.80 3.60 3.32 3.02 2.76
Sensitive capacity kW 2.71 2.65 2.55 2.42 2.30 2.19
27ºC D
19ºC W Input kW. 1.23 1.34 1.45 1.57 1.68 1.80
Total capacity kW 3.95 4.01 3.95 3.82 3.64 3.46
Sensitive capacity kW 2.56 2.59 2.57 2.53 2.50 2.51
32ºC D
23ºC W Input kW. 1.22 1.35 1.48 1.62 1.75 1.89

13
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 4.81 4.28 3.78 2.45 2.04 1.97
15ºC Input kW. 1.61 1.44 1.29 1.11 1.03 0.99
Capacity kW 4.53 4.06 3.66 2.32 2.14 1.98
18ºC Input kW. 1.65 1.44 1.31 1.18 1.14 1.02
Capacity kW 4.50 4.10 3.63 2.21 1.98 1.94
20ºC Input kW. 1.69 1.48 1.34 1.18 1.12 1.03
Capacity kW 4.20 3.99 3.46 1.87 2.00 1.87
22ºC Input kW. 1.78 1.48 1.35 1.12 1.13 1.07
5.7 MSE-18CR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 4.69 4.45 4.15 3.81 3.50 3.27
Sensitive capacity kW 3.28 3.18 3.04 2.88 2.74 2.62
21ºC D
15ºC W Input kW. 1.70 1.84 1.99 2.14 2.28 2.43
Total capacity kW 5.03 4.81 4.53 4.25 3.97 3.73
Sensitive capacity kW 3.47 3.37 3.25 3.13 3.04 3.00
24ºC D
17ºC W Input kW. 1.70 1.86 2.02 2.17 2.33 2.50
Total capacity kW 5.38 5.28 5.00 4.61 4.20 3.83
Sensitive capacity kW 3.77 3.69 3.55 3.38 3.20 3.06
27ºC D
19ºC W Input kW. 1.73 1.90 2.05 2.22 2.38 2.54
Total capacity kW 5.68 5.57 5.49 5.30 5.06 4.81
Sensitive capacity kW 3.57 3.61 3.58 3.52 3.48 3.50
32ºC D
23ºC W Input kW. 1.72 1.91 2.10 2.29 2.48 2.67

14
5.8 MSE-18HR
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 4.69 4.45 4.15 3.81 3.50 3.27
Sensitive capacity kW 3.28 3.18 3.04 2.88 2.74 2.62
21ºC D
15ºC W Input kW. 1.70 1.84 1.99 2.14 2.28 2.43
Total capacity kW 5.03 4.81 4.53 4.25 3.97 3.73
Sensitive capacity kW 3.47 3.37 3.25 3.13 3.04 3.00
24ºC D
17ºC W Input kW. 1.70 1.86 2.02 2.17 2.33 2.50
Total capacity kW 5.38 5.28 5.00 4.61 4.20 3.83
Sensitive capacity kW 3.77 3.69 3.55 3.38 3.20 3.06
27ºC D
19ºC W Input kW. 1.73 1.90 2.05 2.22 2.38 2.54
Total capacity kW 5.68 5.57 5.49 5.30 5.06 4.81
Sensitive capacity kW 3.57 3.61 3.58 3.52 3.48 3.50
32ºC D
23ºC W Input kW. 1.72 1.91 2.10 2.29 2.48 2.67
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 6.92 6.15 5.44 3.52 2.94 2.83
15ºC Input kW. 2.45 2.19 1.96 1.69 1.57 1.45
Capacity kW 6.52 5.84 5.27 3.35 3.09 2.78
18ºC Input kW. 2.51 2.19 1.99 1.80 1.73 1.48
Capacity kW 6.48 5.90 5.22 3.18 2.86 2.79
20ºC Input kW. 2.57 2.25 2.04 1.79 1.70 1.51
Capacity kW 6.02 5.74 4.98 2.70 2.88 2.75
22ºC Input kW. 2.38 2.25 2.05 1.79 1.71 1.53

15
6. Schematic diagram and wiring diagram
6.1 Schematic diagram
12345678
A
B
C
D
8
7654321
D
C
B
A
C1
104
Vin
1
GND
2
Vout 3
IC3 7805 +5V
E3
470uF/16V
E1
2200uF/25V
C4
104
D4
D3
D2
D1
Vin
1
GND
2
Vout 3
IC1 7812 +12V-a
E2
1000uF/16V
C3
104
X1
4M
R7
1M
A0 1
A1 2
A2 3
GND 4 SDA
5SCL
6WC
7VCC
8
IC2
24C04
+5V C2
104
R2
10K
R1
10K
SDA
SDA
SCL
SCL
C5
104
+5V R412K
1
23
IC 5 KIA 7 0 42
RST
RST
BUZ1
BUZZER1
R5
1K
+12V
R27
2K
Q3
9014
BUZ
BUZ
E4
10uF/16V
R8
8.1K/1%
C6
104
R10 2K
D6
IN4148
D5
IN4148
+5V
1
2
CN2
T1_room
T1_room
T1_room
E5
10uF/16V
R9
8.1K/1%
C7
104
R11 2K
D8
IN4 1 48
D7
IN4 1 48
+5V
1
2
CN3
T2_I.pipe
T2_I.pip e
T2_I.pip e
CT1
0057h
D10
1N4148
R14
1.4K/1%
R6
1K/1%
R13
16K
E6
10uF/16V
D9
1N4148
R12 2K
C8
104
+5V
Current
Current
Q2
9014
R15
12K C9
104
D11 1N41 48
D12 1N41 48
R16 12K
R17
12K
R18 10K
+5V ZERO
ZERO
A
B
B
A
E7
10uF/16V
C10
102
R19 150
+5V R20 1K
C11
104
REC
REC
R215.1K
D13
IN4 1 48
C12
103
+5V
1
2
3
CN4
FAN_BACK
+12V-a
FANSP_ FEEDBACK
FANSP_ FEEDBACK
REC
V
GND
REC1
RECEIVER_V
JR7
10K C13 104
R23 2K
+5V
AUTO_SELECT
AUTO_SELECT
C14
1.2uF/450V IC6 P C8 1 7
T1T2
G
TR1
BT131 L2
?
C15
333
R242K +12V-a
R26
1K
E9
470uF/25V
R28
11K/2W
Z1
12V D15
IN4 0 0 7
R29
11K/2W
L1
N
R25 51/1W
FAN_I N '
FAN_IN
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
VSS
8VDD 9
OUT7 10
OUT6 11
OUT5 12
OUT4 13
OUT3 14
OUT2 15
OUT1 16
IC7
UJN2003
STEP_I2
STEP_I1
STEP_I3
STEP_I4
STEP_I2
STEP_I1
STEP_I3
STEP_I4
+12V-a
C19
104
1
2
3
4
5
CN12
SWING
FAN_IN '
FAN_IN
BUZ'
BUZ'
COMP
COMP
COMP '
COMP '
RY2
RELAY-SPST
+12V-a
D21
IN4148
R33
2K
Q5
9014
RY3
RELAY-SPST
+12V-a
D22
IN4 1 4 8
R34
2K
Q6
9014
RY4
RELAY-SPST
+12V-a
D23
IN4148
R35
2K
Q7
9014
RY5
RELAY-SPST
+12V-a
D24
IN4148
C20
333
R36
51/1W
VALVE
VALVE
FAN_OUT
FAN_OUT
HEAT
HEAT
RY6
COMP
C21
333
R37
51/1W
+12V-a
1
CN14
N
L(POWER_IN PORT)
LOAD_COMP
N
FUSE1
3.15A/250V
L1
L1
FRESH
FUSE2
10A
LOAD_VALVE
LOAD_ FAN OUT
LOAD_HEAT L
LOAD_HEAT N
1
CN11
N
1
CN10
HEAT_L
1
CN9
HEAT_N
1
2
CN13
ZR1
10D471K
C23
0.1uF/275VAC
1
2
CN15
TRANS_IN
SW1
t
PTC
82RM
R39
5.1K C22
104
R38
10K
+5V
SW_TEST
SW_TEST
Onl y Fo r Heat Pump
Dsa
1
Dsb
2
Q0 3
Q1 4
Q2 5
Q3 6
GND
7
CP
8
MR
9Q4 10
Q5 11
Q6 12
Q7 13
Vcc
14
IC8
74HC164
+5V
+5V
COM1
COM2
COM3SEG1
SEG2
SEG3
SEG4
R60
10K
R59
10K
+5V
C24
104
SEG3
SEG4
Q8
9012
Q9
9012
Q10
9012
R44 330
R45 330
R46 330
R47 330
R48 330
R49 330
R54 330
R55 330
R41
2K R42 2K R43 2K
LED6
自动
LED7
化霜
LED8
定时
+5V
a
b
c
d
e f
g h
com1 com2
DIS1
WT4021BG
COM1 COM2 COM3
LED9
运行灯
1
2
3
4
5
CN6
FAN_IN
+12V-a
COM1
COM2
COM3SEG1
SEG2
SEG3
SEG4
SCL
SDA
T1
T2
CURRENT
AUTO_SELECT SW
STEP_I1
STEP_I2
STEP_I3
STEP_I4
FAN_IN
BUZ
COMP
VALVE
FAN_OUT
ZERO
FANSP
REC
HEAT
FRESH
RST
X2
X1
C25
104
+5V
IN4 0 07 * 4
VSS0
1
VDD0
2
P25
3
P26
4
P00
5
P01
6
P02
7
P03
8
P04
9
VSS1
10
P05
11
P50
12
P51
13
P52
14
P53
15
AVDD
16
AVREF
17
AN10
18
AN11
19
AN12
20
AN13
21 AN14 22
AN15 23
AVSS 24
P10 25
P11 26
P30 27
P31 28
P32 29
P33 30
P20 31
VDD1 32
P21 33
P22 34
P23 35
P24 36
Vpp/IC 37
XT2 38
XT1 39
RESET 40
X2 41
X1 42
IC4
UPD789166
+5V
C26
104
JR1
10K
JR3 10K
JR2 10K
JR5 10K
JR4 10K
+5V
C16
102
C17
102
JR6
10K
JR8
10K
JR9
10K
+5V
R41
10K
R41
10K
R41
10K
+5V +5V
FRESH
R61
2K
Q11
9014
R62
1K
IC9
PC817
SW2
+12V-a +12V-b
R63
5.1K Q12
9014
GNDB
+12V-b 1
2
CN16
C23
104
E10
2200uF/25V
D19
D18
D17
D16 Vin
1
GND
2
Vout 3
IC10 7812 +12V-b
E11
1000uF/16V
C24
104
C
D
IN4 0 07 * 4
1
2
3
4
CN1
TRANS
GNDB

16
6.2 Wiring diagram
6.2.1 Cooling only
6.2.1.1 MSE-07CR, MSE-09CR MSE-12CR
1
2(N)
Y&G
BLUE
S
RED
CBLACK
R
BLACK
COMPRESSOR
CAPACITOR
FAN
MOTOR
BLUE
RED
RED
RED
BLACK
Y&G
INDOOR
UNIT
OUTDOOR
UNIT

17
6.2.1.2 MSE-18CR
INDOOR UNIT
COMPRESSOR
CAPACITOR
COMPRESSOR
Y/G WHITE
S
BLUE
R
C
OVERLOAD
RELAY
RED
OUTDOOR UNIT
CAPACITOR
FAN
FAN
MOTOR
BLUE
RED
BLACK
Y&G
BLACK
BLACK

18
6.2.2 Heating/cooling
6.2.2.1 MSE-07HR, MSE-09HR MSE-12HR
INDOOR UNIT
OUTDOOR UNIT

19
6.2.2.2 MSE-18HR
INDOOR UNIT
OUTDOOR UNIT
RED
BLACK
BLUE
BLACK
Y&G
COMPRESSOR C
S
R
WHITE
BLUE
COMPRESSOR
CAPACITOR
FAN
MOTOR RED
BLUE
FAN CAPACITOR
BLACK
BLUE
4-WAY
Y/G
OVERLOAD
RELAY