Midea MOU-12FN1-QD0 Bedienungsanleitung

FLOOR-STANDING TYPE AIR CONDITIONER

Installation Manual

Floor-Standing Type

IMPORTANT NOTE:

Read this manual carefully before

installing or operating your new air

conditioning unit. Make sure to save

this manual for future reference.

MFAU-12FNXD0

MOU-12FN1-QD0

Accessories....................................................04

Indoor Unit Parts ........................................ 07

Indoor Unit Installation Instructions ....... 08

Safety Precautions .....................................05

Outdoor Unit Installation......................... 12

Outdoor Unit Installation Instructions ......12

Outdoor Unit Types and Speciﬁcations ....13

Notes on Drilling Hole in Wall ....................14

Drainpipe Installation............................... 15

Table of Contents

Installation Manual

Indoor Unit Installation ...........................07

Installation Overview ...............................06

Indoor Unit Installation ...........................07

Page 3 

Refrigerant Piping Connection.......................17

Notes on Pipe Length and Elevation ..............17

Refrigerant Piping Connection Instructions ...18

Wiring................................................. 20

Outdoor Unit Wiring .................. 20

Indoor Unit Wiring ..................... 21

Power Speciﬁcations ................... 22

Air Evacuation..................................................23

Evacuation Instructions ................................ 23

Note on Adding Refrigerant ....................... 24

Test Run.............................................25

MC MC

L N

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 equipment failure.

Red short connected wire

(Applied to the W/L pin of outdoor unit

terminal block be short-circuited.)

QUANTITY

SHAPENAME

Soundproof / insulation sheath (some models) 2

Installation Fittings

Refrigeration Fittings

Others

Installation manual

Transfer connector(Φ12.7-Φ15.9)/

( )(Packed with the indoor unit )

NOTE: Pipe size may differ from appliance to

appliance. To meet different pipe size requirements,

sometimes the pipe connections need a transfer

connector installed on the outdoor unit .

Transfer connector(Φ6.35-Φ9.52)/

( )(Packed with the indoor unit)

NOTE: Pipe size may differ from appliance to

appliance. To meet different pipe size requirements,

sometimes the pipe connections need a transfer

connector installed on the outdoor unit .

Transfer connector(Φ9.52-Φ12.7)/

( ) (Packed with the indoor unit,

used for multi-type models only )

NOTE: Pipe size may differ from appliance to

appliance. To meet different pipe size requirements,

sometimes the pipe connections need a transfer

connector installed on the outdoor unit .

Owner‘s manual

Drain joint (some models)

Seal ring (some models)

Drainpipe Fittings

(for cooling & heating)

Hook

EMC Magnetic Ring

(some models)

Magnetic ring

(wrap the electric wires S1 & S2 ( P & Q & E )

around the magnetic ring twice)

Magnetic ring

(Hitch on the connective cable between the indoor

unit and outdoor unit after installation.)

Φ0.5in-Φ0.63in

Φ0.25in-Φ0.375in

Φ0.375in-Φ0.5in

(on some models)

1(on some models)

Optional accessories

There are two types of remote controls: wired and wireless.

Select a remote controller based on customer preferences and requirements and install in an

appropriate place.

Refer to catalogues and technical literature for guidance on selecting a suitable remote controller.

•

S1&S2(P&Q&E)

Page 5 

Safety Precautions 2

Read Safety Precautions Before Installation

Incorrect installation due to ignoring instructions can cause serious damage or injury.

The seriousness of potential damage or injuries is classiﬁed as either aWARNING or CAUTION.

WARNING

• Carefully read the Safety Precautions before installation.

• In certain functional environments, such as kitchens, server rooms, etc., the use of specially

designed air-conditioning units is highly recommended.

• 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.

•Before you install the unit, consider strong winds, typhoons and earthquakes that might affect

your unit and 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 toxic and ﬂammable and poses a serious health and safety risk.

Note about Fluorinated Gasses

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.

Installation, service, maintenance and repair of this unit must be performed by a certiﬁed

technician.

Product uninstallation and recycling must be performed by a certiﬁed technician.

If the system has a leak-detection system installed, it must be checked for leaks at least every 12

months.

When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.

Failure to observe a warning may result in death. The appliance must be installed in

accordance with national regulations.

Failure to observe a caution may result in injury or equipment damage.

WARNING

CAUTION

Page 6 

Installation Overview 3

Unit Installation

Overview

L N

123

MC MC

Install the indoor unit

(Page 7)

INSTALLATION ORDER

Install the outdoor unit

(Page 13) Install the drainpipe

(Page 15)

Evacuate the refrigeration system

(Page 23) Connect the wires

(Page 20) Connect the refrigerant pipes

(Page 17)

Perform a test run

(Page 25)

Page 7 

Indoor Unit Installation 4

Indoor Unit Parts

Fig. 4.1

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 and

cause personal injury, unit and property

damage, or death.

• DO NOT install the indoor unit in a

bathroom or laundry room as excessive

moisture can short the unit and corrode

the wiring.

CAUTION

•Install the indoor and outdoor units, cables

and wires at least 1m (3.2’) from televisions

or radios to prevent static or image

distortion. Depending on the appliances,

a 1m (3.2’) distance may not be sufﬁcient.

•If the indoor unit is installed on metal,

it must be electrically grounded.

Indoor Unit

Installation

Drain hose

Refrigerant connecting

pipe

Display panel

Air inlet (with air filter in it)

Air flow louver (at air outlet)

Page 8 

Indoor Unit Installation Instructions

NOTE: Panel installation should be performed

after piping and wiring have been completed.

Step 1:Select installation location

The indoor unit should be installed in a location

that meets the following requirements:

Enough room for installation and

maintenance.

Enough room for the connecting pipe and

drainpipe.

The ceiling is horizontal and its structure can

sustain the weight of the indoor unit.

The air inlet and outlet are not impeded.

The airﬂow can ﬁll the entire room.

There is no direct radiation from heaters.

CAUTION

DO NOT install the unit in the following

Areas with oil drilling or fracking

Coastal areas with high salt content in the

air

Areas with caustic gases in the air, such as

near hot springs

Areas with power ﬂuctuations, such as

factories

Enclosed spaces, such as cabinets

Areas with strong electromagnetic waves

Areas that store ﬂammable materials or gas

Rooms with high humidity, such as

bathrooms or laundry rooms

RECOMMENDED DISTANCES BETWEEN THE INDOOR UNIT

The distance between the mounted indoor unit should meet the specifications illlustrated in the

following diagram. (See Fig. 4.2)

Fig. 4.2

Indoor Unit

Installation

locations:

≥100mm

≥1000mm

Page 9 

Indoor Unit

Installation

Fig. 4.3

195mm

Hook

700mm 210mm

600mm

Page 10 

Indoor Unit

Installation

Step 2:Installing the main body

Fig. 4.4

Fig. 4.5

Affix the hook with a tapping screw onto the wall.

195mm

Hook

Tapping

screw

Washer

＜6mm

Hang the indoor unit on the hook.

(The bottom of body can touch the floor or remain suspended, but the body must be installed

vertically.)

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