Midea MOBA02-09HFN1-QRD0GW, MOB03-12HFN1-QRD0GW, MOCA01-24HFN1-QRD0GW, MOB02-18HFN1-QRD0GW, MSMBBU-09HRDN8-QRD06W Installation 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

6

Drainpipe 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 Specificatio

ns ...........................22

d. Wiring Diagram....................................23

Ca ut io n: R is k of f ire

(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

 Page 11 

Outdoor Unit Installation

5

Outdoor Unit Installation Instructions

Step 1: Select installation location.

The outdoor unit should be installed in the location that
meets the following requirements:

 Place the outdoor unit as close to the indoor unit as

possible.

 Ensure that there is enough room for installation and

maintenance.

 The air inlet and outlet must not be obstructed or

exposed to strong wind.

 Ensure the location of the unit will not be subject to

snowdrifts, accumulation of leaves or other seasonal
debris. If possible, provide an awning for the unit.
Ensure the awning does not obstruct airflow.

 The installation area must be dry and well ventilated.

 There must be enough room to install the connecting

pipes and cables and to access them for maintenance.

 The pipe length between the outdoor and indoor unit

may not exceed the maximum allowable pipe length.

Strong wind

Strong wind

Strong wind

Fig. 5.1

Step 2: Install outdoor unit.

Fix the outdoor unit with anchor bolts (M10)

Fix with bolts

CAUTION

• Be sure to remove any obstacles that
may block air circulation.

• Make sure you refer to Length
Specifications to ensure there is
enough room for installation and
maintenance.

Fig. 5.3

Outdoor Unit

Installation

>60cm

Fig. 5.2

 If the location is exposed to strong winds the unit

must be placed against the wall to shelter it from
the wind.

 Page 12 

Outdoor Unit

Installation

Since the gravity center of the unit is not at its physical center, so please be careful when lifting it with a sling.
Never hold the inlet of the outdoor unit to prevent it from deforming.
Do not touch the fan with hands or other objects.
Do not lean it more than 45, and do not lay it sidelong.
Make concrete foundation according to the specifications of the outdoor units.
Fasten the feet of this unit with bolts firmly to prevent it from collapsing in case of earthquake or strong wind.

Outdoor Unit Installation Instructions

For MOB01-09HFN1-QRD0GW, MOB01-12HFN1-QRD0GW, MOB01-18HFN1-QRD0GW,