Midea MCA3U-12HRFN1-QRD0W Bedienungsanleitung

Installation Manual

Compact Four-Way Cassette

R410a Models

R32 Models

MCA3U-12HRFN1-QRD0W

MCA3-18HRFN1-QRD0W

Indoor Unit Model

Outdoor Unit Model

MOB30U-12HFN1-QRD0W

MOB30U-18HFN1-QRD0W

MOB30U-18HFN8-QRD0W

MOB30U-12HFN8-QRD0W

MCA3-18HRFNX-QRD0W

MCA3U-12HRFNX-QRD0W

Outdoor Unit Model

Indoor Unit Model

Table of Contents

Installation Manual

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

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

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

Page 2

4Indoor Unit Installation ........................... 07

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

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

5Outdoor Unit Installation ......................... 11

c. Notes on Drilling Hole in Wall .............................13

b. Outdoor Unit Types and Speciﬁcations ..........12

a. Outdoor Unit Installation Instructions ............11

Drainpipe Installation ............................... 14

Page 3 

MC MC

Refrigerant Piping Connection............... 16

Pressure test and evacuation...............................23

Panel Installation ..........................26

Test Run..................................29

..................16

8Wiring................................................. 19

a. Outdoor Unit Wiring ........................19

b. Indoor Unit Wiring .............................20

c. Power Speciﬁcations ..........................21

d. Wiring Diagram .................................21

a. Notes on Pipe Length and Elevation

b. Refrigerant Piping Connection Instructions .....17

a. Pressure Test Instructions................24

b. Evacuation Instructions ...................25

Caut ion: R isk of fire

(for R32 refrigerant ony )

13service info

.............................30

Quick Step Installation Guide............35

Dip Switches..........................28

Service Documents............................37

Display Board, Fault Codes...............36

Page 4 

Accessories

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.

Name Shape Quantity

Indoor unit

installation

Installation paper template

(some models)

Refrigeration

Fittings

Soundproof/insulation

sheath (some models)

Drainpipe

Fittings

Outlet pipe sheath (some

models)

Outlet pipe clasp (some

models)

Drain joint (some models)

Seal ring (some models)

Remote

controller & Its

Frame (some

models)

Fixing screw for remote

controller holder ST2.9 x 10

Remote controller holder

Dry battery AAA

Owner’s manual

Installation manual

Commissioning Remote Controller

Wired Controller

Magnetic ring (wrap the

electric wires S1 & S2

( P & Q & E ) around

the magnetic ring twice)

Magnetic ring (Hitch it on

the connective cable

between indoor unit and

outdoor unit after

installation.)

S1&S2(P&Q&E)

Ferrite Beads

Page 5 

Safety Precautions

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

Unit Installation

Overview

123

MC MC

Install the indoor unit

(Page 7)

INSTALLATION ORDER

Install the outdoor unit

(Page 11)

Install the drainpipe

(Page 14)

(Page 19)

Connect the refrigerant pipes

(Page 16)

Connect the wires

ont panel

(Page 25)

Install the fr

Perform a test run

(Page 29)

Service

Documents

(Page 32)

Pressure test & Evacuate

(Page 23)

Page 7 

Indoor Unit Installation

Indoor Unit Parts

Drain pump

(within indoor unit)

Drain pipe

Air outlet

Air inlet

Display panel

Front grille

Louver

Refrigerant pipe

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 causing personal injury, unit and

property damage or death.

• Install the indoor unit at a height of more than

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.

2.5m above the ﬂoor.

wires at least 1m from televisions or radios

on the appliances, a 1m distance may not be

Page 8 

Indoor Unit Installation Instructions

NOTE: Panel installation should be done after piping

and wiring.

Step 1: Select installation location

The indoor unit should be installed in a location that

meets the following requirements:

There is enough room for installation and

maintenance.

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.

The distance between the mounted indoor unit and the internal ceiling should meet the following speciﬁcations.

(See Fig. 4.2)

Indoor Unit

Installation

The unit is at least 1m from the nearest wall.

There is enough room for the connecting pipe and

RECOMMENDED DISTANCES BETWEEN THE INDOOR UNIT AND THE CEILING

CAUTION

DO NOT install the unit in the following locations:

In areas with oil drilling or fracking

In areas with caustic gases in the air, such as near

hot springs

In areas with power ﬂuctuations, such as factories

In enclosed spaces, such as cabinets

In areas with strong electromagnetic waves

In areas that store ﬂammable materials or gas

Connecting point

of drain pipe

Connecting point of

refrigerant pipe

(liquid side)

Connecting point of

refrigerant pipe

(gas side)

Front panel

Ground

Ceiling

>2.5m

60cm (Ceiling hole)

A, 26cm

B, 29cm

Page 9 

Table 4.1: Distance from ceiling relative to height of indoor unit

Step 2: Hang indoor unit.

Indoor Unit

Installation

>1m

1. Use the included paper template to cut a rectangular hole in the ceiling, leaving at least 1m on all sides. The hole

Fig. 4.3

12260 290

18 260 290

4 - in s ta ll h a n g e r

B o d y

D r a in h o le

( f o r S e r v ic e )

5 4 5

5 7 0

E - p a rts b o x

4 - S c re w h o le

(fo r in s ta ll p a n e l)

MODEL Length of A mm Length of Bmm

will be 60x60cm big. Be sure to mark the areas where ceiling hook holes will be drilled.

Page 10 

NOTE: The bottom of the unit should be 10 - 18mm

(indicated in Fig. 4.6) should be half the length of the

suspension bolt or long enough to prevent the nuts from

coming off.

CAUTION

Ensure that the unit is completely level. Improper

installation can cause the drain pipe to back up into the

unit or water leakage.

Indoor Unit

Installation

Wall

Ceiling board

Main body

NOTE: Ensure that the indoor unit is level. The unit is

equipped with a built-in drain pump and float switch.

If the unit is tilted against the direction of condensate

flows (the drainpipe side is raised), the float switch may

malfunction and cause water to leak.

Water level

M6 x 12 Bolts

higher than the ceiling board. Generally, L

Main body

24mm

template

Cardboard installation

5. Mount the indoor unit. You will need two people to

lift and secure it. Insert suspension bolts into the unit’s

hanging holes (See Fig. 4.5).

Fig. 4. 4

Fig. 4.6

Fig. 4.5

Fig. 4.7

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere Midea Klimaanlage Handbücher

Midea

Midea MSX-09HRDN1QC2 Bedienungsanleitung

Midea

Midea F Series Bedienungsanleitung

Midea

Midea M2OD-16HFN1-Q Bedienungsanleitung

Midea

Midea PD Bedienungsanleitung

Midea

Midea MVW22A-VA1 Bedienungsanleitung

Midea

Midea AIR CONDITIONER Bedienungsanleitung

Midea

Midea MSR1-07HRN1-QB6A Bedienungsanleitung

Midea

Midea MSG-07CRN2 Bedienungsanleitung

Midea

Midea 4M-82K Bedienungsanleitung

Midea

Midea MI2-28Q4DHN1 Bedienungsanleitung

Midea

Midea MSG-30CRN1-QB9P Bedienungsanleitung

Midea

Midea AC100-18B Bedienungsanleitung

Midea

Midea CTBU-09HWFN1-M Bedienungsanleitung

Midea

Midea PAT14H2ZWT Bedienungsanleitung

Midea

Midea MAW Bedienungsanleitung

Midea

Midea MSX-18HRDN1-QC2 Bedienungsanleitung

Midea

Midea PTAC Series Bedienungsanleitung

Midea

Midea AC120-19ARB Bedienungsanleitung

Midea

Midea MRCT-075CWN1-D(C) Betriebsanleitung

Midea

Midea MSMTAU-09HRFN8-QRD6GW Bedienungsanleitung

Midea

Midea MW06DRWBA1RCM Bedienungsanleitung

Midea

Midea MSA-FOREST25-I/N Reparaturanleitung

Midea

Midea MSC-09HRFN1-QD2E Bedienungsanleitung

Midea

Midea MP72SQWBA2RCM Bedienungsanleitung

Beliebte Klimaanlage Handbücher anderer Marken

Panasonic

Panasonic CS-E12HKEW Bedienungsanleitung

nedis

nedis ACMB1WT7 Bedienungsanleitung

Daikin

Daikin FCFV50A Bedienungsanleitung

Fujitsu

Fujitsu Inverter ASBA30JFC Bedienungsanleitung

Toshiba

Toshiba RAS-M10SMUV-E Bedienungsanleitung

Daikin

Daikin FXLQ20MAVE Bedienungsanleitung

CIAT

CIAT Magister 2 Series Leitfaden

Bestron

Bestron AAC6000 Bedienungsanleitung

Frigidaire

Frigidaire FFRE0533S1E0 Bedienungsanleitung

Samsung

Samsung AS09HM3N Bedienungsanleitung

Frigidaire

Frigidaire CRA073PU11 Betriebsanleitung

Soleus Air

Soleus Air GB-PAC-08E4 Bedienungsanleitung

McQuay

McQuay MCK020A Bedienungsanleitung

Webasto

Webasto Frigo Top 25 DS Bedienungsanleitung

Frigidaire

Frigidaire FAZ12ES2A Bedienungsanleitung

Mitsubishi Electric

Mitsubishi Electric MSC-GE20VB Bedienungsanleitung

Mitsubishi Electric

Mitsubishi Electric PLA-M100EA Bedienungsanleitung

Daikin

Daikin Split Sensira R32 Bedienungsanleitung