Midea MSMBAU-09HRDN1-QRD0GW(B) User manual

Installation Manual
Mission Series
R410a Models
R32 Models

a. Indoor Unit Parts .............................................. 07
b. Indoor Unit Installation Instructions .................. 08
a. Outdoor Unit Installation Instructions ................. 11
b. Outdoor Unit Types and Specifications ............... 12
c. Notes on Drilling Hole in Wall ............................. 13
Table of Contents
Installation Manual
1
2
5
3
4
6Drainpipe Installation ............................... 14
Outdoor Unit Installation ......................... 11
Indoor Unit Installation ........................... 07
Accessories ............................................. 04
Safety Precautions ............................. 05
Installation Overview ....................... 06
Installation Manual

Page 3 
MC MC
7
8
9
10
11
LN
12
Refrigerant Piping Connection............... 17
Wiring................................................. 20
Pressure test and evacuation...............................24
Test Run.................................................27
13
A. Notes on Pipe Length and Elevation .................17
........
a. Outdoor Unit Wiring ..........................20
b. Indoor Unit Wiring .............................21
c. Power Specifications ...........................22
d. Wiring Diagram....................................23
Caut ion: Ri sk of fire
(for R32
B. Refrigerant Piping Connection Instructions........18
Service Info..............................28
14
Installation Manual
Installation Manual

Page 4 
Accessories 1
The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to
install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or cause the
equipment to fail.

Page 5 
Safety Precautions 2
Read Safety Precautions Before Installation
potential damage or injuries is classified as either a WARNING or CAUTION.
WARNING
• Carefully read the Safety Precautions before installation.
•
• Only trained and certified technicians should install, repair and service this air conditioning unit.
Improper installation may result in electrical shock, short circuit, leaks, fire or other damage to the equipment and
personal property.
• Strictly follow the installation instructions set forth in this manual.
Improper installation may result in electrical shock, short circuit, leaks, fire or other damage to the equipment.
toxic and flammable and poses a serious health and safety risk.
Note about Fluorinated Gasses
1. This air-conditioning unit contains fluorinated gasses. For specific information on the type of gas and the amount,
please refer to the relevant label on the unit itself.
2. Installation, service, maintenance and repair of this unit must be performed by a certified technician.
3. Product uninstallation and recycling must be performed by a certified technician.
4. If the system has a leak-detection system installed, it must be checked for leaks at least every 12 months.
5. When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.
national regulations.
Failure to observe a caution may result in injury or equipment damage.
WARNING
CAUTION
locate it accordingly. Failure to do so could cause the equipment to fail.
• After installation, ensure there are no refrigerant leaks and that the unit is operating properly. Refrigerant is
both
Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of
Failure to observe a warning may result in death. The appliance must be installed in accordance with
conditioning units is highly recommended.
In certain functional environments, such as server rooms, etc., the use of specially designed air-
NOTE:Requirements for units using R32 Refrigerant.
Do not accelerate the defrosting process or to clean, other than those
recommended by the manufacturer.
The system should not be installed in areas with ignition sources
(for example: open flames,an operating gas appliance or an operating
electric heater)
Do not pierce or burn.
The system should be installed where the room size corresponds to specific
operation.
Be aware that refrigerants may not contain an odour.

Page 6 
Installation Overview 3
Unit Installation
Overview
INSTALLATION ORDER

Page 7 
Indoor Unit Installation 4
Safety Precautions
WARNING
• Securely install the indoor unit on a structure that
can sustain its weight. If the structure is too weak
the unit may fall causing personal injury, unit and
property damage or death.
CAUTION
Indoor Unit
Installation
• Install the indoor and outdoor units, cables and
to prevent static or image distortion. Depending
• If the indoor unit is installed on a metal part of the
building, it must be electrically grounded.
on the appliances, a 1m distance may not be
wires at least 1m from televisions or radios

Page 8 
Indoor Unit Installation 4

Page 9 
Indoor Unit Installation 4
For MSMBAU-09HRFN1-QRD0GW:
For MSMBBU-12HRFN1-QRD0GW:
For MSMBCU-18HRFN1-QRD0GW:
For MSMBDU-24HRFN1-QRD0GW:

Page 10 
Indoor Unit Installation 4