Midea MOBA30U-12HN1-Q User manual

Contents i
Light Commercial
50Hz R410A
ON/OFF SERIES
Service Manual 2017
Outdoor units:
MOBA30U-12HN1-Q
MOBA30U-18HN1-Q
MOCA30U-24HN1-Q
MOD31U-36HN1-R
MOU-48HN1-R
MOUA-60HN1-R
Indoor units:
MCA3-12HRN1-Q1
MCA3-18HRN1-Q1
MCD-18HRN1-Q1
MCD-24HRN1-Q1
MCD-36HRN1-R1
MCD-48HRN1-R
MCD-60HRN1-R
MTB-18HWN1-Q1
MTB-24HWN1-Q1
MTI-36HWN1-R1
MTB-48HWN1-R
MTB-60HWN1-R
MHG-24HWN1-Q1
MHG-36HWN1-R1
MHG-48HWN1-R
MHG-60HWN1-R
MUE-12HRN1-Q1
MUE-18HRN1-Q1
MUE-24HRN1-Q1
MUE-36HRN1-R1
MUE-48HRN1-R
MUE-60HRN1-R
DM17-01.01.08en

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Part 1 General Information .................................................... 3
Part 2 Indoor Units ................................................................. 9
Part 3 Outdoor Units .......................................................... 116
Part 4 Installation ...............................................................130
Part 5 Electrical Control System ......................................168
※The specifications, designs, and information in this book are subject to change without notice for
product improvement.

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Part 1
General Information
1. Model Lists ............................................................................. 4
2. External Appearance ............................................................. 5
3. Nomenclature ......................................................................... 7

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1. Model Lists
1.1 Indoor Units
R410A Capacity multiplied by 1000Btu/h
Type Function 09 12 18 24 30 36 48 60
Four-way cassette(compact) Cooling and heating ● ●
Super-slim 4-way cassette Cooling and heating ● ● ● ● ●
Middle static pressure duct Cooling and heating ● ● ●
● ●
High static pressure duct Cooling and heating ● ●
● ●
Ceiling & Floor Cooling and heating ● ● ● ● ● ● ●
M Floor-standing Cooling and heating ●
● ●
1.2 Outdoor Units
Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units
Heat Pump
MOBA30U-12HN1-Q ROTARY GMCC MCA3-12HRN1-Q1
MUE-12HRN1-Q1
MOBA30U-18HN1-Q ROTARY GMCC
MCA3-18HRN1-Q1
MUE-18HRN1-Q1
MTB-18HWN1-Q1
MCD-18HRN1-Q1
MOCA30U-24HN1-Q ROTARY GMCC
MFM-24ARN1-Q
MUE-24HRN1-Q1
MHG-24HWN1-Q1
MCD-24HRN1-Q1
MTB-24HWN1-Q1
MOD31U-36HN1-R SCROLL EMERSON
MCD-36HRN1-R1
MUE-36HRN1-R1
MHG-36HWN1-R1
MTI-36HWN1-R1
MOU-48HN1-R SCROLL Panasonic
MUE-48HRN1-R
MHG-48HWN1-R
MTB-48HWN1-R
MCD-48HRN1-R
MOUA-60HN1-R SCROLL Panasonic
MUE-60HRN1-R
MTB-60HWN1-R
MCD-60HRN1-R
MHG-60HWN1-R

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2. External Appearance
2.1 Indoor Units
Compact Four-way cassette
Super-slim 4-way Cassette
Middle static pressure duct Middle static pressure duct
High static pressure duct
Ceiling & floor type
M Floor-standing

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2.2 Outdoor Units
Single fan outdoor unit Double fan outdoor unit

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3. Nomenclature
3.1 Indoor Unit
M U B ‐36H R N1 ‐Q1
Minorconstructivechanges
Powersupply
Q220~240V,1N,50Hz
R380~420V,3N,50Hz
Refrigerant
N1 R410A
‐‐ R22
ControlMode
WWiredcontrol
RRemotecontrol
FunctionCode
CCoolingOnly
HCooling&Heating
ACooling&Heating+PTC
Capacity(x1000Btu/h)
DesignTime
ATimeADesigned
BTimeBDesigned
CTimeCDesigned
DTimeDDesigned
ProductCategory
CCassetteType
TDuctType
UCeiling&FloorType
HHSPDuctType
Midea

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3.2 Outdoor Unit
M O D30 U‐36HN1 ‐Q
Powersupply
Q220~240V,1N,50Hz
R380~420V,3N,50Hz
Refrigerant
N1 R410A
‐‐ R22
FunctionCode
CCoolingOnly
HCooling&Heating
ACooling&Heating+PTC
Capacity(x1000Btu/h)
USideDischargeOutdoorUnit
OutdoorSizeCode
ProductCategory
OOutdoorunit
Midea

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Part 2
Indoor Units
Four-way Cassette Type (Compact) ................................. 10
Four-way Cassette Type ..................................................... 23
MSP Duct Type .................................................................... 43
HSP Duct Type ..................................................................... 65
Ceiling & Floor Type ........................................................... 86
Floor-standing Type ..........................................................105

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Four-way Cassette Type (Compact)
Features .............................................................................. 11 1.
Specification ...................................................................... 12 2.
Dimensions ........................................................................ 12 3.
Service Space .................................................................... 14 4.
Capacity tables .................................................................. 14 5.
Air Velocity and Temperature Distributions .................... 15 6.
Wiring Diagrams ................................................................ 18 7.
Electric Characteristics ..................................................... 19 9.
Sound Levels ................................................................... 20 10.
The Specification of Power ............................................. 21 11.
Field Wiring ...................................................................... 22 12.

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Features 1.
1.1 Compact design
 The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for
installation and will not damage the decoration. The panel size is 647×50×647mm.
 The hooks are designed in the four corners of the body, which can save installation space.
1.2 Electric control box built-in design
 The E-box is simply and safely built inside the indoor unit. It’s convenient for installation and
maintenance. Can check the control part easily, you only need to open the air return grille.
1.3 Air passage function
 Reserves the space for air outlet from the side of indoor unit; It’s availed to connect air duct
from the two sides to the nearby small rooms.

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Specification 2.
Indoor model MCA3-12HRN1-Q1 MCA3-18HRN1-Q1
Outdoor model MOBA30U-12HN1-Q MOBA30U-18HN1-Q
Power supply V-ph-Hz 220~240-1-50 220~240-1-50
Cooling
Capacity Btu/h 12500 18300
kW 3,66 5,36
Input W 1350 1980
Current A 6 8,78
EER W/W 2,71 2,71
Heating
Capacity Btu/h 13000 19000
kW 3,81 5,57
Input W 1320 1720
Current A 5,9 7,63
COP W/W 2,89 3,24
Indoor fan
motor
Model YKT-17-6-6 YKT-27-4-6
Qty 1 1
Input W 40.5/35.3/31.4 78/71/51/39
Capacitor uF 1.5UF/450V 2UF/450V
Speed(Hi/Med/Lo) r/min 640/540/440 890/850/685/583
Indoor coil
Number of rows
1 2
Tube pitch(a)x row pitch(b) mm 21x13.37 21x13.37
Fin spacing mm
1,3 1,3
Fin type Hydrophilic aluminium Hydrophilic aluminium
Tube outside dia.and type mm Φ7,innergroove tube Φ7,innergroove tube
Coil length x height x width mm
1380x210x13.37 1360x210x26.74
Number of circuits
3 4
Indoor air flow (Hi/Mid/Lo) m
3
/h 650/550/430 810/650/530
Indoor noise level (sound pressure) (Hi/Mid/Lo) dB(A) 42/38/36 48/41/36
Throttle type / /
Indoor unit
Dimension (WxDxH)(body) mm 570x570x260 570x570x260
Packing (WxDxH)(body) mm 655x655x290 655x655x290
Dimension (WxDxH)(panel) mm 647x647x50 647x647x50
Packing (WxDxH)(panel) mm 715x715x123 715x715x123
Net/Gross weight(body) kg 16.3/19.1 16.5/19
Net/Gross weight(panel) kg 2.5/4.5 2.5/4.5
Design pressure MPa 4.2/1.5 4.2/1.5
Drainage water pipe diameter mm ODΦ25 ODΦ25
Refrigerant
piping Liquid side/Gas side mm Φ6.35/Φ12.7(1/4"/1/2") Φ6.35/Φ12.7(1/4"/1/2")
Controller RG36C/BG(C)E RG36C/BG(C)E
Operation temperature ℃ 17~30 17~30
Room
temperature
Cooling ℃ 17~32 17~32
Heating
℃ 0~30 0~30
Remarks:
1.The above design and specifications are subject to change without prior notice for product improvement.

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Dimensions 3.

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Service Space 4.

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Capacity tables 5.
5.1 MCA3-12HRN1-Q1 / MOBA30U-12HN1-Q
COOLING OUTDOORTEMPERATUREDRY
Indoor
Conditions
 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
21ºCD
15ºCW
TotalcapacitykW 3,39  3,36  3,32  3,26  2,61  2,44 
SensitivecapacitykW 2,71  2,68  2,66  2,61  2,08  1,95 
InputkW. 3,66  3,63  3,60  3,53  3,64  3,78 
24ºCD
17ºCW
TotalcapacitykW 3,46  3,43  3,40  3,33  2,66  2,50 
SensitivecapacitykW 2,77  2,74  2,72  2,66  2,13  2,00 
InputkW. 1,36  1,35  1,34  1,32  1,36  1,41 
27ºCD
19ºCW
TotalcapacitykW 3,81  3,77  3,73  3,66  2,93  2,75 
SensitivecapacitykW 3,05  3,02  2,99  2,93  2,34  2,20 
InputkW. 1,40  1,39  1,38  1,35  1,39  1,44 
32ºCD
23ºCW
TotalcapacitykW 4,26  4,22  4,18  4,10  3,28  3,07 
SensitivecapacitykW 3,41  3,38  3,34  3,28  2,62  2,46 
InputkW. 1,56  1,55  1,54  1,51  1,56  1,62 
HEATING OUTDOORCONDITIONS
Indoor
Conditions
 24ºCD
18ºCW
12ºCD
11ºCW
7ºCD
6ºCW
4ºCD  
3ºCW
0ºCD  
‐1ºCW
‐5ºCD  
‐6ºCW
‐7ºCD
‐8ºCW
15ºC CapacitykW 4,88 4,83 4,23  3,47 2,96 2,33 2,16
InputkW. 1,69  1,67  1,46  1,35  1,32  1,16  1,13 
18ºC CapacitykW 4,66 4,61 4,04  3,31 2,83 2,22 2,06
InputkW. 1,61  1,59  1,40  1,29  1,26  1,11  1,08 
20ºC CapacitykW 4,40 4,35 3,81 3,12 2,67 2,10 1,94
InputkW. 1,52  1,51  1,32  1,22  1,19  1,05  1,02 
22ºC CapacitykW 3,74 3,70 3,24  2,66 2,27 1,78 1,65
InputkW. 1,41  1,39  1,22  1,13  1,10  0,97  0,94 
27ºC CapacitykW 3,74 3,70 3,24  2,66 2,27 1,78 1,65
InputkW. 1,42  1,40  1,23  1,14  1,11  0,98  0,95 

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5.2. MCA3-18HRN1-Q1 / MOBA30U-18HN1-Q
COOLING OUTDOORTEMPERATUREDRY
Indoor
Conditions  21ºC 25ºC 30ºC 35ºC 40ºC 45ºC
21ºCD
15ºCW
TotalcapacitykW 4,96  4,91  4,87  4,77  3,82  3,58 
SensitivecapacitykW 3,97  3,93  3,89  3,82  3,05  2,86 
InputkW. 5,35  5,32  5,28  5,17  5,33  5,53 
24ºCD
17ºCW
TotalcapacitykW 5,07  5,02  4,98  4,88  3,90  3,66 
SensitivecapacitykW 4,06  4,02  3,98  3,90  3,12  2,93 
InputkW. 2,00  1,99  1,97  1,93  1,99  2,07 
27ºCD
19ºCW
TotalcapacitykW 5,57  5,52  5,47  5,36  4,29  4,02 
SensitivecapacitykW 4,46  4,42  4,37  4,29  3,43  3,22 
InputkW. 2,05  2,04  2,02  1,98  2,04  2,12 
32ºCD
23ºCW
TotalcapacitykW 6,24  6,18  6,12  6,00  4,80  4,50 
SensitivecapacitykW 4,99  4,95  4,90  4,80  3,84  3,60 
InputkW. 2,30  2,28  2,26  2,22  2,28  2,37 
HEATING OUTDOORCONDITIONS
Indoor
Conditions  24ºCD  
 18ºCW
12ºCD  
 11ºCW
7ºCD
6ºCW
4ºCD  
  3ºCW
0ºCD  
‐1ºCW
‐5ºCD  
‐6ºCW
‐7ºCD
‐8ºCW
15ºC CapacitykW 7,14 7,06 6,18  5,07 4,33 3,40 3,15
InputkW. 2,20  2,18  1,91  1,76  1,72  1,52  1,48 
18ºC CapacitykW 6,82 6,74 5,90  4,84 4,13 3,25 3,01
InputkW. 2,10  2,08  1,82  1,69  1,64  1,45  1,41 
20ºC CapacitykW 6,43 6,36 5,57 4,57 3,90 3,06 2,84
InputkW. 1,99  1,96  1,72  1,59  1,55  1,37  1,33 
22ºC CapacitykW 5,47 5,41 4,73  3,88 3,31 2,60 2,41
InputkW. 1,83  1,81  1,59  1,47  1,43  1,26  1,23 
27ºC CapacitykW 5,47 5,41 4,73  3,88 3,31 2,60 2,41
InputkW. 1,85  1,83  1,60  1,48  1,45  1,27  1,24 

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Air Velocity and Temperature Distributions(Reference Data) 6.
Airflow velocity
Temperature

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Wiring Diagrams 7.
MCA3-12HRN1-Q1, MCA3-18HRN1-Q1

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Electric Characteristics 8.
Model Indoor Units Power Supply
Hz Voltage Min. Max. MFA
MCA3-12HRN1-Q1
50 220-240V 198V 254V 16
MCA3-18HRN1-Q1
50 220-240V 198V 254V 16
Note:
MFA: Max. Fuse Amps. (A)

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Sound Levels 9.
1.4m
Microphone
Model
Noise level dB(A)
H M L
MCA3-12HRN1-Q1
42 38 36
MCA3-18HRN1-Q1
48 41 36