Midea mcd-24hrdn1 User manual

DC INVERTER SERIES
Service Manual 2013
LIS-B-1306

Contents
Contents i
Part 1 General Information............................................................................................. 1
Part 2 Indoor Units.......................................................................................................... 8
Part 3 Outdoor Units ................................................................................................... 116
Part 4 Installation ........................................................................................................ 133
Part 5 Electrical Control System ............................................................................... 177
※The specifications, designs, and information in this book are subject to change without notice for
product improvement.

General Information
General Information 1
Part 1
General Information
1. Model Lists ...................................................................................................2
2. External Appearance ...................................................................................4
2.1 Indoor Units ..........................................................................................4
2.2 Outdoor Units .......................................................................................5
3. Nomenclature...............................................................................................6
4. Features........................................................................................................7

Model Lists
2 General Information
1. Model Lists
1.1 Indoor Units
R410A Capacity multiplied by 1000Btu/h
Type Function 12 18 24 30 36 48 60
New Four-way cassette
(
com
p
act
)
Cooling and heating ●●
Four-way cassette Cooling and heating ●●●●●
Super-slim Four-way cassette Cooling and heating ●●●●●
Ceiling & floor Cooling and heating ●●●●●●●
3rd generation ceiling & floor Cooling and heating ●●●
Duct Cooling and heating ●●●●●●●
Console Cooling and heating ●●
High static pressure duct Cooling and heating ●●●
GA floor standing Cooling and heating ●●●
1.2 Outdoor Units
Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units
MOU-12HDN1-Q Rotary DC Inverter GMCC
MCA2-12HRDN1-Q
MFA-12HRDN1-Q
MUB-12HRDN1-Q
MTB1-12HWDN1-Q
MOU-18HDN1-Q Scroll DC Inverter GMCC
MCA2-18HRDN1-Q
MCD-18HRDN1-Q
MFA-18HRDN1-Q
MUB-18HRDN1-Q
MTB-18HWDN1-Q
MOU-24HDN1-Q Rotary DC Inverter GMCC
MCC-24HRDN1-Q
MCD-24HRDN1-Q
MUB-24HRDN1-Q
MTB-24HWDN1-Q
MFGA-24ARDN1-QC2
MOU-30HDN1-Q Rotary DC Inverter MITSUBISHI
MCC-30HRDN1-Q
MCD-30HRDN1-Q
MUB-30HRDN1-Q
MTB-30HWDN1-Q
MOU-36HDN1-Q Rotary DC Inverter MITSUBISHI
MCC-36HRDN1-Q
MCD-36HRDN1-Q
MUB-36HRDN1-Q
MTB-36HWDN1-Q
MHD-36HRDN1-Q
MOU-36HDN1-Q Rotary DC Inverter
GUANGZHOU
MITSUBISHI
MCC-36HRDN1-Q
MCD-36HRDN1-Q
MUB-36HRDN1-Q
MTB-36HWDN1-Q
MHD-36HRDN1-Q
MUE-36HRDN1-Q
MOU-36HDN1-R Rotary DC Inverter
GUANGZHOU
MITSUBISHI
MCC-36HRDN1-Q
MCD-36HRDN1-Q
MUB-36HRDN1-Q
MTB-36HWDN1-Q
MHD-36HRDN1-Q
MUE-36HRDN1-Q
MFGA-36ARDN1-R
MOU-48HDN1-Q Rotary DC Inverter
GUANGZHOU
MITSUBISHI
MCC-48HRDN1-Q
MCD-48HRDN1-Q
MUE-48HRDN1-Q
MTB-48HWDN1-Q
MHD-48HRDN1-Q
MOU-48HDN1-R Rotary DC Inverter
GUANGZHOU
MITSUBISHI
MCC-48HRDN1-Q
MCD-48HRDN1-Q

Model Lists
General Information 3
MUB-48HRDN1-Q
MUE-48HRDN1-Q
MTB-48HWDN1-Q
MHD-48HRDN1-Q
MFGA-48ARDN1-R
MOU-60HDN1-R Rotary DC Inverter
GUANGZHOU
MITSUBISHI
MCC-60HRDN1-R
MCD-60HRDN1-Q
MUB-60HRDN1-R
MUE-60HRDN1-Q
MTB-60HWDN1-R
MHD-60HRDN1-R
MFGA-60ARDN1-R
MOU-60HDN1-R Rotary DC Inverter GMCC MTB-60HWDN1-R

External Appearance
4 General Information
2. External Appearance
2.1 Indoor Units
Duct Ceiling & Floor
Four-way Cassette Compact Four-way cassette
Super-slim Four-way Cassette GA Floor Standing
Console
High static pressure duct
3r
d
generation ceiling-floor

External Appearance
General Information 5
2.2 Outdoor Units
Single fan outdoor unit
Double fan outdoor unit
Double fan outdoor unit

Nomenclature
6 General Information
3. Nomenclature
3.1 Indoor Unit
M U B T- 36 H R D N1- Q RC4
Energy Efficiency Code
Power Supply
Q 220~240V,1N, 50Hz
R 380~420V, 3N, 50Hz
N 220~230V, 1N, 60Hz
D 220V~, 3N, 60Hz
C 380~420V,3N,60Hz
Refrigerant
N1 R410A -- R22
D DC Inverter -- On-Off
F Full DC
Control Mode
W Wired Control E Electric Control
M Mechanical Control R Remote Control
Function Code
C Cooling Only HCooling & Heating
A Cooling & Heating+PTC
Capacity (×1000Btu/h)
T Tropical Condition
-- T1 Condition
Designed Time
A Time A Designed BTime B Designed
C Time C Designed D Time D Designed
Product Category
C Cassette Type V AHU Type
T Duct Type F Console Type
U Ceiling & Floor Type
H High Static Pressure Duct Type
Midea
3.2 Outdoor Unit
M O U T- 36 H D N1- R RC4
Energy Efficiency Code
Power Supply
Q 220~240V,1N, 50HZ
R 380~420V, 3N, 50Hz
N 220~230V, 1N, 60Hz
D 220V~, 3N, 60Hz
C 380~420v,3N,60HZ
Refrigerant
N1 R410A -- R22
D DC Inverter -- On-Off
F Full DC
Function Code
C Cooling Only HCooling & Heating
A Cooling & Heating+PTC
Capacity (×1000Btu/h)
T Tropical Condition
-- T1 Condition
U Side Discharge Outdoor Unit
VTop Discharge Outdoor Unit
SCentrifugal Fan Outdoor Unit
O Outdoor unit
Midea

Features
General Information 7
4. Features
4.1 Universal outdoor unit design
Indoor unit with the same capacity can match with the same outdoor unit.
4.2 High efficiency and energy saving.
Thanks to the DC inverter technology and optimized piping system, the EER and COP of whole
series can easily reach A-class.
4.3 Full range of products from 12K to 60K, including Med duct(A5), cassette, console, ceiling and floor,
more choice for you
4.4 Low ambient kit is standard for outdoor units (except 12K)
4.5 Network control function is standard for the indoor units (except 12K)
4.6 Standard auto restart function and follow me function
4.7 Cassette, ceiling & floor, console and compact cassette with standard remote controller, wire controller
and CCM for optional. Med Duct with standard wired controller, remote controller and CCM for
optional.
4.8 Standard anti-cold air function
4.9 Standard auto defrosting function
4.10 Standard self-diagnose function.
4.11 Standard timer function and sleep mode function controlled by controller.

Indoor Units
8 Indoor Units
Part 2
Indoor Units
New Four-way Cassette Type (Compact).............................9
Four-way Cassette Type.....................................................19
Super Slim Cassette Type ..................................................27
Duct Type.............................................................................41
Ceiling & Floor Type ...........................................................57
Console Type.......................................................................71
High Static Pressure Duct..................................................85
3rd Generation Ceiling & Floor Type..................................95
GA Floor-standing Type ...................................................105

New Four-way Cassette Type (Compact)
New Four-way Cassette Type (Compact) 9
New Four-way Cassette Type (Compact)
1. Features.................................................................................................10
2. Dimensions ...........................................................................................11
3. Service Space........................................................................................12
4. Wiring Diagrams ...................................................................................13
5. Air Velocity and Temperature Distributions(Reference Data) ..........14
6. Electric Characteristics........................................................................15
7. Sound Levels ........................................................................................15
8. Accessories...........................................................................................16
9. The Specification of Power..................................................................16
10. Field Wiring .........................................................................................17

Features
10
1. Features
1.1 New panel
360°surrounding air outlet design, affords comfortable feeling
1.2 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.
1.3 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.
1.4 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.

Dimensions
11
2. Dimensions

Service Space
12
3. Service Space

Wiring Diagrams
13
4. Wiring Diagrams
MCA2-12HRDN1-Q
MCA2-18HRDN1-Q

Air Velocity and Temperature Distributions(Reference Data)
14
5. Air Velocity and Temperature Distributions(Reference Data)
Airflowvelocity
Temperature

Electric Characteristics
15
6. Electric Characteristics
Model Indoor Units Power
Supply
Hz Voltage Min. Max. MFA
MCA2-12HRDN1-Q 50 220-240V 198V 254V 20
MCA2-18HRDN1-Q 50 220-240V 198V 254V 15
Notes:
MFA: Max. Fuse Amps. (A)
7. Sound Levels
1.4m
Microphone
Model
Noise level dB(A)
H M L
MCA2-12HRDN1-Q 42 41 38
MCA2-18HRDN1-Q 42 41 38

Accessories
16
8. Accessories
Installation fittings
Name Shape Quantity
1. Expansible hook 4
2. Installation hook 4
3. Installation paper board
1
Drainpipe Fittings
4. Out-let pipe sheath
1
5. Out-let pipe clasp 1
6. Tightening band 20
7. Drain joint 1
Remote controller & Its
holder
8. Remote controller 1
9. Remote controller holder 1
10. Mounting screw(ST2.9×10-C-H) 2
11. Alkaline dry batteries (AM4) 2
Others
12. Owner's manual 1
13. Installation manual 1
9. The Specification of Power
Model 12000Btu/h 18000 Btu/h
INDOOR UNIT POWER
Phase 1-phase 1-phase
Frequency and Voltage 220-240V, 50Hz 220-240V, 50Hz
POWER WIRING (mm2) 3×2.5 3×1.0
CIRCUIT BREAKER (A) 20 15
OUTDOOR UNIT POWER
Phase 1-phase
Frequency and Voltage 220-240V, 50Hz
POWER WIRING (mm2) 3×2.5
CIRCUIT BREAKER (A) 30
Indoor/Outdoor Connecting Wiring
(Weak Electric Signal) (mm2) 3×0.5
Indoor/Outdoor Connecting Wiring
(Strong Electric Signal) (mm2) 4×2.5