Midea MOU-18HN1-Q User manual

Contents i
R410A ON/OFF SERIES
Service Manual 2013
LEUS-B-1306

Content
Contents i
Part 1 General Information ...................................................................1
Part 2 Indoor Units................................................................................6
Part 3 Outdoor Units ...........................................................................63
Part 4 Installation ................................................................................78
Part 5 Electrical Control System .....................................................104
※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 ....................................................................................................... 3
2.1 Indoor Units............................................................................................................... 3
2.2 Outdoor Units............................................................................................................ 3
3. Nomenclature................................................................................................................... 4
4. Features............................................................................................................................ 5

Model Lists
2 General Information
1. Model Lists
1.1 Indoor Units
R410A Capacity multiplied by 1000Btu/h
Type Function 18 24 30 36 48 60
A5 High static pressure duct Cooling and heating ●●●●●●
Ceiling & Floor Cooling and heating ●●●
Super-slim 4-way cassette Cooling and heating ●●●●●
High static pressure duct Cooling and heating ●
1.2 Outdoor Units
Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units
Heat Pump
MOU-18HN1-Q ROTARY CMCC MHF-18HWN1-Q
MCD-18HRN1-Q
MOU-24HN1-Q ROTARY CMCC
MHF-24HWN1-Q
MCD-24HRN1-Q
MHG-24HWN1-Q
MOU-30HN1-Q ROTARY CMCC MHF-30HWN1-Q
MOU-30HN1-R ROTARY CMCC MHF-30HWN1-R
MOU-36HN1-Q SCROLL SANYO MHF-36HWN1-Q
MUE-36HRN1-Q
MOU-36HN1-R SCROLL SANYO
MHF-36HWN1-R
MUE-36HRN1-R
MCD-36HRN1-R
MOU-48HN1-R SCROLL SANYO
MHF-48HWN1-R
MUE-48HRN1-R
MCD-48HRN1-R
MOUA-60HN1-R SCROLL SANYO
MHF-60HWN1-R
MUE-60HRN1-R
MCD-60HRN1-R

External Appearance
General Information 3
2. External Appearance
2.1 Indoor Units
A5 High static pressure duct Ceiling & floor type
Super-slim 4-way Cassette High static pressure duct
2.2 Outdoor Units
Single fan outdoor unit Double fan outdoor unit

Nomenclature
4 General Information
3. Nomenclature
3.1 Indoor UnitM 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 5
4. Features
4.1 High quality coils:
The coil is constructed of advanced inner grooved copper tube and aluminum fins.
4.2 Anti-rust, 500 hours salt spray test.
4.3 Low operation sound level: Well-known stable and quiet running fan motor.
4.4 Well-known compressor.
4.5 Compact design: Smaller dimension and larger stuffing capacity.
4.6 Universal outdoor unit design.
4.7 Optional air outlet grille: plastic type and wire type.
Wiretype Plastictype Plastictype
4.8 Optional low temperature cooling module.
4.9 R410A environment friendly refrigerant.

Indoor Units
6 Indoor Units
Part 2
Indoor Units
A5 High Static Pressure Duct Type.....................................7
Ceiling & Floor Type...........................................................25
Super-slim Cassette Type..................................................35
High Static Pressure Duct Type.........................................52

A5 High Static Pressure Duct Type
Duct Type 7
A5 High Static Pressure Duct Type
1. Features ......................................................................................................8
2. Dimensions...............................................................................................11
3. Service Space...........................................................................................12
4. Wiring Diagrams.......................................................................................13
5. Static Pressure.........................................................................................18
6. Electric Characteristics ...........................................................................19
7. Sound Levels............................................................................................20
8. Accessories..............................................................................................21
9. The Specification of Power .....................................................................22
10. Field Wiring.............................................................................................23

Features
8 Duct Type
1. Features
1.1 Installation accessories: (Optional)
Front Board, Canvas Air Passage, Filter, Panel, for easy installation
1.2 Easy Installation: Two air inlet styles (Bottom side or Rear side)
Air inlet from rear is standard for all capacity; air inlet from bottom is optional.
The size of air inlet frame from rear and bottom is same, it’s very easy to move the cover from bottom to
rear side, or from rear to the bottom, in order to matching the installation condition.
1.3 Easy maintenance
Clean the filter (Optional, standard product without filter)
It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or
bottom side.
Replace the motor or centrifugal fan
Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with
centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily.
Front Board
Canvas Air Passage Filter Panel
Air intake from rear (Standard) Air intake from bottom (Optional)

Features
Duct Type 9
1.4 Reserved remote on-off and central control ports
Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a
central controller to realize remote on-off control function or group control function.
1.5 Built-in drain pump (Optional):
Built-in drain pump can lift the water to 750mm upmost. It’s convenient to install drainage piping under
most space condition.
Motor
Blower Housing
Ventilated Panel
Remote on-off ports Central control ports
750mm upmost

Features
10 Duct Type
1.6 Built-in display board
The standard indoor unit can be controlled by wired controller.
There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even
in the distance of 10m. The unit will realized remoter control.
The wired controller and the display board can display the error code or production code when the chips
detect some failure.
Display
Wired Controller (Standard) Remote Controller (Optional)

Dimensions
Duct Type 11
2. Dimensions
HG
EF
A
B
D
C
L
M
Capacity
(KBtu)
Outline
dimension(mm)
Air outlet
opening size
Air return
opening size
Size of outline dimension
mounted plug
A B C D E F G H I J K L M
18 920 210 635 570 65 713 35 119 815 200 80 960 350
24 920 270 635 570 65 713 35 179 815 260 20 960 350
30/36 1140 270 775 710 65 933 35 179 1035 260 20 1180 490
48/60 1200 300 865 800 80 968 40 204 1094 288 45 1240 500

Service Space
12 Duct Type
3. Service Space
Ensure enough space required for installation and maintenance.

Wiring Diagrams
Duct Type 13
4. Wiring Diagrams
MHF-18HWN1-Q

Wiring Diagrams
14 Duct Type
MHF-24HWN1-Q

Wiring Diagrams
Duct Type 15
MHF-30HWN1-Q、MHF-36HWN1-Q

Wiring Diagrams
16 Duct Type
MHF-30HWN1-R、MHF-36HWN1-R、MHF-48HWN1-R、MHF-60HWN1-R