Midea MSCI-09HRN1, M2OA-18HRN1, M2OA-21HRIN1, M3OA-27HRN1, M2OA-30HRIN1 Service Manual

214

Draft edition

GD Midea Refrigeration Equipment Co.,Ltd

MULTI SPLIT TYPE, HEAT PUMP AIR CONDITIONERS

Technical service manual 2005

R410A Corona multi Series

Indoor Models

MSCI-09HRN1
MSCI-12HRN1

Outdoor Models

M2OA-18HRN1 M2OA-21HRIN1
M3OA-27HRN1 M2OA-30HRIN1

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Multi SERIES

1. Features

2. Specification

3. Dimensions

4. Refrigeration cycle diagram

5. Operation limits

6. Wiring diagram

7. Troubleshooting

8. Electronic function

9. Exploded view parts

10. Characteristic of temp. sensor

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1.Features

1.1 Compact design

1.2 High efficiency and quiet operation

1.3 Unitary outdoor unit design

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2 Specification

2.1 Indoor unit

Corona multi indoor unit
Model MSCI-09HRN1 MSCI-12HRN1
Model CE-KFR26G/CTN1Y CE-KFR32G/CTN1Y

Power supply Ph-V-Hz 1Ph,220-240V~,50Hz 1Ph,220-240V~,50Hz

Cooling Capacity BTU/h 9000 12000

Heating Capacity BTU/h 11000 13000

Running Current A 0.18 0.2

Design Pressure (Hi/Lo) Mpa 4.2/2.5 4.2/2.5

Capacity

Max. Operating Pressure (Hi/Lo) Mpa 3.5/3.5 3.5/3.5

Model RPG13H RPG13D

Brand Welling Welling

Input W 39.5 44

Capacitor uF 1.2 1.2

Indoor fan motor

Speed(hi/mi/lo) r/min 1200/950/850 1220/1000/800

a.Number of rows 2 2

b.Tube pitch(a)x row pitch(b) mm 21x13.37 21x13.37

c.Fin spacing mm 1.3 1.3

d.Fin type (code) Unhydrophilic aluminium Hydrophilic aluminium

e.Tube outside dia.and type mm φ7 INNEGROOVE TUBE φ7 INNEGROOVE TUBE

f.Coil length x height x width mm 538X252X26.74 578X252X26.74

Indoor coil

g.Number of circuits 2 2

Indoor air flow (Hi/Mi/Lo) m3/h 500/460/410 500/430/370

Indoor noise level (Hi/Mi/Lo) dB(A) 36/34/32 37/34/31

Dimension (W*H*D) mm 710×250×195 790×265×193

Packing (W*H*D) mm 800×340×270 875x285x375

Indoor unit

Net/Gross weight Kg 8/9.5 9/11

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2.2 Outdoor unit

Model M2OA-18HRN1 M2OA-21HRN1 M3OA-27HRN1 M3OA-30HRN1

Power supply Ph-V-Hz 1Ph,220-240V~,50Hz 1Ph,220-240V~,50Hz 1Ph,220-240V~,50Hz 1Ph,220-240V~,50Hz

Capacity Btu/h 9000x2 9000+12000 9000x3 9000x2+12000

Input W 890x2 890+1250 1650+1150 1800+1300

Rated current A 4.0x2 4.0+5.7 8.0+5.5 8.2+5.8

Cooling

EER Btu/w.h 10.2 9.8 9.6 9.6

Capacity Btu/h 1000x2 10000+14000 10000x3 10000x2+1300

Input W 890x2 890+1250 1650+1150 1750+1250

Rated current A 4.0x2 4.0+5.7 7.7+5.6 8.0+5.6

Heating

COP Btu/w.h 11.3 10.9 10.6 10.9

Moisture Removal L/h 1.0x2 +1.2 1.0x2 +1.2 1.0x2 +1.2 1.0x2 +1.2

Max. input consumption W 2160 2580 3400 3720

Max. current A 9.9 11.7 15.6 16.7

Starting current A 21.7 29.9 31.8 31.8

Model PA108X1C-4FTx2 PA108X1C-4FT ; PA145X2C-4FT

PA200X2CS-4KU1 ;

PA145X2C-4FT

PA200X2CS-4KU1 ;

PA145X2C-4FT

Type Rotar y Rotary Rotary Rotary

Brand GD Toshiba GD Toshiba GD Toshiba GD Toshiba

Capacity Btu/h 8874 8874/12014 16791/12014 16791/12014

Input W 890 890/1200 1670/1200 1670/1200

Rated current(RLA) A 4.07 4.07/5.6 7.81/5.6 7.81/5.6

Locked rotor Amp(LRA) A 40 40/57 57 57

Thermal protector Internal Internal Internal Internal

Capacitor uF 25uF/440-450VACx2 25uF/440VAC;35uF/440VAC 35uF/440VACx2 35uF/440VACx2

Compressor

Refrigerant oil ml 350 350/480 480/750 480/750

Outdoor fan

Model YDK69-6 YDK69-6 YDK50-4G1 YDK50-4G1

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Brand Welling Welling Welling Welling

Input W 140 140 200 200

Capacitor uF 4uFx2 4uFx2 4uFx2 4uFx2

motor

Speed r/min 830/650 830/650 1150 1150

a.Number of rows 2 2 2 2

b.Tube pitch(a)x row

pitch(b)

mm 25.4x24 25.4x24 25.4x24 25.4x24

c.Fin spacing mm 1.7 1.7 1.7 1.7

d.Fin type (code) Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium

e.Tube outside dia.and

type

mm

Ф9.53, Innergroove tube Ф9.53, Innergroove tube Ф9.53, Innergroove tube Ф9.53, Innergroove tube

f.Coil length x height x

width

mm 813X812X44 813X812X44

Outdoor coil

g.Number of circuits 2/2 2/2 3/3 3/3

Outdoor air flow m3/h 2200 2200 3200 3200

Outdoor noise level dB(A) 56 56 58 58

Dimension(W*H*D) mm 895X655X345 895X655X345 860X830X330 860X830X330

Packing (W*H*D) mm 1050X720X470 1050X720X470 1000X985X425 1000X985X425

Outdoor unit

Net/Gross weight Kg 75/81 76/82 81/88 81/88

Refrigerant type g R410A/ 980x2 R410A/ 1100+900 R410A/ 1150+15 50 R410A/ 1150+1550

Design pressure(Hi/Lo) MPa 4.2/2.5 4.2/2.5 4.2/2.5 4.2/2.5

Liquid side/ Gas side mm(inch)

Ф6.35/Ф9.53 Ф6.35/Ф9.53;Ф6.35/Ф12.7 Ф6.35/Ф9.53 *3 Ф6.35/Ф9.53 *2;Ф6.35/Ф12.7

Max. refrigerant pipe

length

m 15 (each unit) 15 (each unit) 15 (each unit) 15 (each unit)

Refrigerant

piping

Max. difference in level m 5 (each unit) 5 (each unit) 5 (each unit) 5 (each unit)

Connection wiring No No No No

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Plug type No No No No

Thermostat type Electronic control Electronic control Electronic control Electronic control

Operation temp

℃

17~30 17~30 17~30 17~30

Ambient temp

℃

18~45(cooling);

-7~30(heating)

18~45(cooling); -7~30(heating) 18~45(cooling); -7~30(heating) 18~45(cooling); -7~30(heating)

Application area m2 (14-21)x2,16-24 (14-21)x2,16-24 (14-21)x2,16-24 (14-21)x2,16-24

Qty’per 20’ /40’ / 40'HQ set 45/94/118

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3.Dimensions

3.1 Indoor unit
a) Indoor unit 9K

b) Indoor Unit 12K