Midea Super DC Series User manual

Contents i
Energy Related Products
SUPER DC INVERTER SERIES
Service Manual 2017

Contents
Contents i
Part 1 General Information .................................................................................................................1
Part 2 Indoor Units................................................................................................................................6
Part 3 Outdoor Units ........................................................................................................................111
Part 4 Installation .............................................................................................................................124
Part 5 Electrical Control System..................................................................................................162
※The specifications, designs, and information in this book are subject to change without notice for
product improvement.

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

Model Lists
General Information 2
1. ModelLists
1.1 Indoor Units
R410A(capacity multiplied by 1000Btu/h)
Type
Function
12
16
18
24
30
36
42
48
55
Super slim cassette
Coolingandheating
●
●
●
●
●
●
●
A5 Duct
Coolingandheating
●
●
●
●
●
●
●
●
A6 Duct
Coolingandheating
●
●
●
●
●
●
●
Ceiling-floor
Coolingandheating
●
●
●
●
●
●
●
Four-way
cassette(compact)
Coolingandheating
●
●
Console
Coolingandheating
●
●
M floor-standing
Coolingandheating
●
●
●
●
GA floor-standing
Coolingandheating
●
1.2 Outdoor Units
Universal Outdoor unit Model
Compressor type
Compressor Brand
Matched indoor units
MOB30U-12HFN1-QRD0W
Rotary
GMCC
MCA3U-12HRFN1-QRD0W
MTBU-12HWFN1-QRD0W
MFAU-12HRFN1-QRC8W
MOB30U-16HFN1-QRC8W
Rotary
GMCC
MFA-16HRFN1-QRC8W
MOB30U-18HFN1-QRD0
Rotary
GMCC
MCA3-18HRFN1-QRD0
MCD-18HRFN1-QRD0
MTB-18HWFN1-QRD0
MUE-18HRFN1-QRD0
MTI-18HWFN1-QRD0
MOCA30U-24HFN1-QRD0
Rotary
GMCC
MCD-24HRFN1-QRD0
MTB-24HWFN1-QRD0
MUE-24HRFN1-QRD0
MFM-24HRFN1-QRD0
MTI-24HWFN1-QRD0
MOD30U-30HFN1-QRD0
Rotary
GMCC
MCD-30HRFN1-QRD0
MTB-30HWFN1-QRD0
MUE-30HRFN1-QRD0
MTI-30HWFN1-QRD0
MOD30U-36HFN1-QRD0
Rotary
GMCC
MCD-36HRFN1-QRD0
MTB-36HWFN1-QRD0
MUE-36HRFN1-QRD0
MTI-36HWFN1-QRD0
MFM-36HRFN1-QRD0
MOD30U-36HFN1-RRD0
Rotary
GMCC
MOD30U-42HFN1-QRD0
Rotary
GMCC
MCD-42HRFN1-QRD0
MTB-42HWFN1-QRD0
MUE-42HRFN1-QRD0
MTI-42HWFN1-QRD0
MOD30U-42HFN1-RRD0
Rotary
GMCC
MOE30U-48HFN1-QRD0
Rotary
GMCC
MCD-48HRFN1-QRD0
MTB-48HWFN1-QRD0
MUE-48HRFN1-QRD0
MTI-48HWFN1-QRD0
MFM-48HRFN1-QRD0
MOE30U-48HFN1-RRD0
Rotary
GMCC
MOE30U-55HFN1-RRD0
Rotary
GMCC
MCD-55HRFN1-QRDO
MTB-55HWFN1-QRD0
MUE-55HRFN1-QRD0
MTI-55HWFN1-QRD0
MFGA-55ARFN1-RRD0(B)
MFM-55ARFN1-RRD0

External Appearance
General Information 3
2. ExternalAppearance
2.1 Indoor Units
Superslim cassette
Duct
Ceiling-Floor
CompactFour-waycassette
Console
M Floor-standing
GA Floor-standing

External Appearance
General Information 4
2.2 Outdoor Units
Single fan outdoor unit
Double fan outdoor unit

Nomenclature
General Information 5
3. Nomenclature
3.1 Indoor Unit
M U B T - 36 H R D N1- Q RC4
E n e rg y E ffic ie n cy C o d e
P o w er S u p p ly
Q 2 2 0~ 240 V ,1N , 5 0 H z
R 3 80 ~42 0V , 3N , 5 0H z
N 2 20 ~23 0V , 1N , 6 0H z
D 2 2 0V ~ , 3 N , 6 0H z
C 3 80 ~42 0V ,3N ,60H z
R e frige ran t
N1 R 4 10 A -- R 22
D D C In verte r -- O n-O ff
F F ull D C
C o n tro l M o d e
W W ired C ontro l E E lectric C o ntro l
M M ech anical C o ntro l R R em o te C on trol
F u n c tio n C o d e
C C o oling O n ly HC oo lin g & H e ating
A C o oling & H ea tin g+ P TC
C a p acity (×1 000B tu /h )
T T ro pica l C o ndition
-- T1 C o ndition
D e s ig n e d T im e
A T im e A D esigne d BT im e B D esigne d
C T im e C D esign ed D T im e D D esign ed
P r o d u ct C ate g o ry
C C a ssette T ype V A H U Type
T D u ct T yp e F C on so le T ype
U C e ilin g & F loor T ype
H H ig h S tatic P re ssure D uct Type
M id ea
3.2 Outdoor Unit
M O T4 D 30 U - 36 H D N1- R R C 4
E n e rg y E ffic ie nc y C o d e
P o w e r S u pp ly
Q 220~240V,1N, 50HZ
R 3 80~ 42 0V , 3N , 5 0H z
N 2 20~ 23 0V , 1N , 6 0H z
D 220 V ~ , 3N , 60H z
C 380~420v,3N,60HZ
R e frige ran t
N1 R 4 10A -- R 2 2
D D C Inve rte r -- O n-O ff
F F ull D C
F u nc tio n C o de
C C o oling O n ly HC oolin g & H e ating
A C o oling & H e a ting +P T C
C a pa city (×1 000 B tu /h)
U S ide D ischa rge O u tdoo r U nit
VT op D isch arg e O u tdo or U n it
SC e ntrifug al F an O u tdoo r U nit
O u tdo or S ize C o de
T T ro pical C o nd itio n
-- T 1 C o ndition
O O utdo or un it
M id e a

IndoorUnits
Indoor Units 6
Part 2
Indoor Units
Super Slim Cassette Type............................................... 7
A5 Duct Type................................................................. 22
A6 Duct Type................................................................. 38
Ceiling & Floor Type...................................................... 52
Four-way Cassette Type (Compact) .............................. 66
Console Type ................................................................ 76
M Floor-standing Type .................................................. 88
GAFloor-standing Type ...............................................100

SuperSlim CassetteType
Indoor Units 7
Super Slim Cassette Type
1. Features...................................................................... 8
2. Dimensions ................................................................11
3. Service Space............................................................ 12
4. Wiring Diagrams........................................................ 13
5. Air Velocity Distributions (Reference Data) ............... 14
6. Electric Characteristics ............................................. 17
7. Sound Levels............................................................. 18
8. Accessories............................................................... 19
9. The Specification of Power........................................ 20
10. Field Wiring ............................................................. 21

Features
Indoor Units 8
1. Features
1.1Overview
Compact design, super slim body size, less space requiring in installation
Each louver can be separately controlled, more comfortair blowing is possible.
Auto-lifting paneldesign, more convenientto clean and maintain the filter. (optional)
1.2 Fresh air intake function
Fresh air fulfills air quality more healthy and comfortable.
Ventilation motor is optionalto increase the effect of fresh air.
1.3Optional ionizer generator
Ionizer generator is optional to get refreshing air to your room.
Ionizer can be switched on or offby remote controller.
When pressing the Clean Air button on the remote controller, Ionizer will work and the indicator light on
display board will shine.
1.4 External air duct design
Reserve external air duct, more flexible for the air supply.
Ionizer generator
connector
Ventilation motor
connector

Features
Indoor Units 9
1.5 Built-in draining pump
Due to the improvement of structure, more convenientto repair or replace the draining pump.
Built-in draining pump to make sure condensed water drain out reliably.
1.6Terminals for alarm lamp and long-distance on-off controller connection are
standard
Reserve terminals for the connection of alarm lamp and long-distance on-off controller, more human
control.
Draining Pump

Features
Indoor Units 10
1.7Twins Combination(18k-30k)
The units can be installed as Twin systems: one outdoor unit can connect with two indoor units. The
indoor units can be combined in any of the different available ratings.
Alarm lamp
Long-distance on-off controller

Dimensions
Indoor Units 11
2. Dimensions
840
840
950
950
C
Test m o uth & Test cover
D ra in h ole
32
W iring c o n nection port
680
780
780
680
136
126
91
196
132
A
A
B
AA
B
A
A
B
A
B
S e rvice h ole fo r
dra in in g pum p
Fre sh a ir intak e
75
55
80
80
4-insta ll hanger
G as side
Liquid sid e
E -p a rts box
135
90
Panel
B o dy
92929292
DD
92 92
D
D
DD
92
9292
92
92 92 92 92
D
D
Unit: mm
Model
A
B
C
D
MCD-18HRFN1-QRD0
160
75
205
50
MCD-24HRFN1-QRD0
MCD-30HRFN1-QRD0
MCD-36HRFN1-QRD0
MCD-42HRFN1-QRD0
160
95
245
60
MCD-48HRFN1-QRD0
MCD-55HRFN1-QRDO
160
95
287
60

Service Space
Indoor Units 12
3. Service Space
>1000mm
>1000mm
>1000mm
>1000mm
Chart 3
A
Drain side Tubing side
(Unit: mm)
680(Hook-location)
780(Hook-location)
84 0(Body)
84 0(Body)
880(Ceiling hole)
880(Ceiling hole)
950(Panel)
95 0(Pane l)
Necessary room
>2500mm
out let intle t outlet
ground
Chart 1
Chart 4
A
No te:
Nut
Body
Ceiling 880mm
Hook
B
Panel
Chart 2
Body
Chart 5
Central hole
Bolt M6X12 Inst allation paperboard
180 00-24000Btu/h(R 22) Series A 26 0mm
36000-48000Btu/h(R 22) Series A 330mm
≥
≥
No te:
180 00- 24000B tu/h(R 22) Seri es B= 240mm
360 00- 48000Btu /h(R 22) Series B= 310mm

WiringDiagrams
Indoor Units 13
4. Wiring Diagrams
MCD-18HRFN1-QRD0 MCD-24HRFN1-QRD0 MCD-30HRFN1-QRD0 MCD-36HRFN1-QRD0
MCD-42HRFN1-QRD0 MCD-48HRFN1-QRD0 MCD-55HRFN1-QRDO

Air Velocity Distributions(ReferenceData)
Indoor Units 14
5. Air Velocity Distributions (Reference Data)
18-24K:
Cooling:
Heating:

Air Velocity Distributions(ReferenceData)
Indoor Units 15
30-42K:
Cooling:
Heating:

Air Velocity Distributions(ReferenceData)
Indoor Units 16
48-55K：
Cooling:
Heating:

Electric Characteristics
Indoor Units 17
6. Electric Characteristics
Model
Indoor Unit
Power
Supply
Hz
Voltage
Min
Max
MFA
MCD-18HRFN1-QRD0
50
220-240V
198V
254V
/
MCD-24HRFN1-QRD0
50
220-240V
198V
254V
/
MCD-30HRFN1-QRD0
50
220-240
198
254
/
MCD-36HRFN1-QRD0
50
220-240V
198V
254V
/
MCD-42HRFN1-QRD0
50
220-240V
198V
254V
/
MCD-48HRFN1-QRD0
50
220-240V
198V
254V
/
MCD-55HRFN1-QRDO
50
220-240V
198V
254V
/
Notes:
MFA: Max. FuseAmps. (A)

Sound Levels
Indoor Units 18
7. Sound Levels
1 . 4 m
M ic ro p h on e
Model
Noise Power dB(A)
Noise level dB(A)
H
M
L
MCD-18HRFN1-QRD0
56
46
41
37
MCD-24HRFN1-QRD0
62
46
42
39
MCD-30HRFN1-QRD0
65
53
48
44
MCD-36HRFN1-QRD0
65
56
52
48
MCD-42HRFN1-QRD0
64
52
40
47
MCD-48HRFN1-QRD0
65
55
51
48
MCD-55HRFN1-QRDO
69
52
49
46