Midea MDV-D28Q1/BN2 Bedienungsanleitung

Digital Scroll Central

Air-Conditioner

Please read this manual carefully before operation and keep it in a safe place for

future reference.

One-Way Cassette Type Indoor Unit (With Panel)

Installation Manual

Model:

MDV-D28Q1/BN2

MDV-D36Q1/BN2

MDV-D45Q1/BN2

MDV-D56Q1/BN2

MDV-D71Q1/BN2

1.Accessories----------------------------------------------------------------------1

2.Installation Iocation

3.Install indoor unit

4.Drain pipe

5.Electric wiring

6.Install the panel

7.Refrigerant pipe installation

8.Control

9.Trouble shooting table

10.

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Install electric throttle part--------------------------------------------------------11

CONTENTS

Please read this installation manual carefully before installation.

The air conditioner must be installed by qualified service person.

When installing the indoor unit , please follow this manual as strictly as possible.

Check the piping is accomplished perfectly before electrifying the unit.

This manual is subject to changes due to technological improvement without further notices.

Note: The installer should illustrate to users how to correctly use and maintain the appliance

and remind the users carefully reading and keeping both installation manual and owner s

Manual after the installation.

Name

Indoor unit installation manual

Insulation pipe

Remote controller(including

operation manual)

Alkaline dry batteries (Am4)

Screw M4 16(including flat

spring gasket)

Installation pattern paper

Installation indicator

Fixing belt

Straight pipe

Elbow

Big gasket

Electric throttle part

Insulation for pipe connection part

For fixing the installation pattern paper

and panel(only for 28,36 model)

Adjust ceiling hole and position of indoor

unit(only for 28,36model)

Adjust main unit position(only for 45,56,

71 model)

Fixing and tightening

Drainage

Connect drain pipe and straight pipe

Hang the indoor unit

Qty Shape Usage

ACCESSORIES

Cautions on remote controller installation:

Don t throw the remote controller or give it big impact.

The remote controller should be in the reception range, and the transmittal part should point

to the orientation of indoor unit receptor.

Before installation, operate the remote controller to determine its location in a reception range.

Keep the remote controller at least 1m apart from the nearest TV set or stereo equipment. (It

is necessary to prevent image disturbances or noise interferences.)

Do not install the remote controller in a place exposed to direct sunlight or close to a heating

source, such as a stove.

Note that the positive and negative poles are right positions when loading batteries.

This manual

INSTALLATION LOCATION

CAUTIONS

1.Please avoid installing in the following places

A place with flammable gas or material.

A saline place such as a seashore vicinity

A place with sulphur gas.

A place with oil gas, such as kitchen.

A place with high-humidity air.

An unbearable place.

A place where high-frequency waves are generated.

2. Please comply with the related national electric standard to make electric insulation for

construction and metal parts of air-conditioner.

3. Please choose the place where the ventilation is good.

INSTALL INDOOR UNIT

Ceiling

1000mm

above

1000mm

above

Obstacle

(Pipe side)

Refrigerant Pipe

100mm

above

245mm

above

Ceiling

100mm

above

200mm

above

Air outlet side Air inlet side

MDV-D45~71Q1/BN2MDV-D28~36Q1/BN2

INSTALL SPACE

200mm

above

Hanging screw bolt

distance 890

Hanging screw

bolt distance

screw bolt distance 1230

MDV-D28~36Q1/BN2

MDV-D45~71Q1/BN2

screw bolt distance 330

530

Please install with f10 hanging screw bolts.

1. The size of the ceiling to be handled------ Do keep the

ceiling flat. Consolidate the roof beam for possible

vibration.

2. Cut off the roof beam.

3. Strengthen the place that has been cut off, and

consolidatethe roof beam.

4. Connect wires and pipes inside the ceiling after the air

conditioner is hanged.

Please refer to the following figure for the hanging

screw bolts distance

The handling to the ceiling varies from the constructions,

consult the construction person for the specific condition.

Steel bar

Embedding screw bolt

(Pipe hanging and embedding

screw bolt)

Roof beam

Hanging screw bolts

Ceiling

Timber over the beam (Blade shape

insertion)

(Slide insertion)

Put the square timber traversely over the

roof beam, then install the hanging screw

bolts.

Inlaying or embedding the screw bolts.

WOODEN CONSTRUCTION

NEW CONCRETE BRICKS

Install and use directly the supporting angle

steel.

FOR ORIGINAL CONCRETE BRICKS

STEEL ROOF BEAM STRUCTRUE

Hanging screw bolt

Hanging bolts

Supporting

angle steel

2. Overhanging the indoor unit

Adjust the gasket (down side) to 137mm over the

ceiling for MDV-D28~36Q1/BN2 type and for

MDV-D45~71Q1/BN2type adjust that to

130mm.

130mm

Down Side of the ceiling

Hanging Bolt

Nut (Up Side)

Gasket( Up Side)

Installing Ear

Gasket (Down Side)

Nut (Down Side)

Install the hanging bolt into U groove of the hanging tool. Overhang the indoor unit and ensure

it is level using a level gauge.

Fasten the upside nut

Level gauge

Secure it safety

(137mm)

After the selection of installation location, position the refrigerant pipes, drain pipes,

indoor & outdoor wires to the connection places before hanging up the machine.

The installation of hanging screw bolts.

Install the hanging hook with expansible

bolt into the concrete deep to 45~50mm

to prevent loose.

Pattern Paper

Panel fixing screw (M4X16)

Ceiling hole

width

Ceiling hole length

Outline of Indoor Unit

Hole

MDV-D28~36Q1/BN2

Adjust the relative position between indoor

unit and ceiling hole with the pattern paper

again.

MDV-D45~71Q1/BN2

Panel outline dimension1420

Ceiling hole dimension 1360

Panel center 585

50 630 570 110

655

695

755

125

530 30

645

Panel outline dimension

Ceiling hole dimension

50 110

Indoor unit

ceiling

installation paper pattern

Front (side of pipe)

Back

ceiling

Installation Paper Pattern

¢Ù ¢Ú

¢Û

Install the hanging nut into U grove of the

hanging tool. Overhang the indoor unit and

ensure it is level using a level gauge.

Use the installation paper pattern to confirm

the position between the body and the ceiling

opening

Please refer to the following figure to install.

Fix the pattern paper to the down side of indoor

unit with panel fixing screw.

Adjust the size of ceiling hole according to

pattern paper.

Pattern paper

Down side of pattern paper Down side of ceiling

Indoor unit

Down side of

pattern paper

at the same level

Down side of ceiling

Down side of ceiling must be level with

down side of the pattern paper.

Panel Length

Panel Centre

Indoor Unit size

Ceiling Hole Length

Hanging Bolts Distance

Hanging Bolts

Distance

Panel Width

Indoor Unit Size

Ceiling Hole Width

DRAIN PIPE

When connecting the pipe, please use the sealing material and pipe glove.

CAUTION

Bend

Fold

1.5m~2m

Lean downward over 1/100

As long as possible about(10cm)

Lean downward

over 1/100

Vp30

The drain pipe of indoor unit must be heat

insulated, or it will condense dew, as well

as the connections of the indoor unit.

Hard PVC binder must be used for pipe

connection, and make sure there is no

leakage.

With the connection part to the indoor unit,

please note not to impose pressure

on the side of indoor unit pipes.

When the declivity of the drain pipe down-

wards is over 1/100, there should not be any

winding.

The total length of the drain pipe when pulled

out breadthwise shall not exceed 20m. When

the pipe is over long, a bracket must be

installed to prevent winding.

Refer to the following figures to install the pipes.

Upward drainage

To make sure that the drainage pipe would not slant downward. Lead it upward to a height 340

mm maximum, then downward lead it.

When the drainage is upward, the upward drain pipe and elbow of the accessories must be

adopted and the height is less than 500mm,otherwise the drain pump water level switch

malfunction will be caused.

¢Ù

No more than

VP16

VP25

*2(140)

*1(500below)

1. When adopting upward drain pipe,

out off VP16 pipe to do the piping

2. The VP 25 pipe is elicited breadthwise.

After upward piping, the lead drain pipe must slant downward immediately.(over 1/100)

Insulation material

1) Stow 600-800cc water with pot or hose from outlet slowly.

2) The drainage test is doing during checking the drain pump motor running sound .

3) After the preparation work , disconnect the water level switch ,power 220-240VAC to of

terminal board, and the drain pump start up immediately.

4) Confirm the running sound of drainage pump motor ,and carry out the drainage test.(If the sound

is variable from continuous to discontinuous ,it is normal.)

5) Reset the water level switch connector to original position after the drainage test .

Drainage test

Outlet

Water Container

PCB connection(CN10)

1357

RED

PURPLE

RED WHT BLK Water lever

switch

WHT

BLK

Singe phase

WHT

ELECTRIC WIRING

!WARNING

Specified power cables should be used. Do not apply any pressure on the

terminals used to connect.

Grounding must be properly done.

Electric Wiring must be done by professionals. Use a separate circuit according

to national regulations.

Improper connection may cause fire.

The grounding wire should be away from gas pipes, water pipes, telephone,

lightening rods or other grounding wires. Improper grounding may cause electric

shock.

If the wiring capacity is not enough, electric shock or fire may occur.

Be sure to Install Current Leakage Protection Switch. Or electric shock may occur.

Power cord is to be selected according to national regulations.

Outdoor unit power cord should be selected and connected according to the outdoor unit

installation manual.

Wiring should be away from high temperature components, or the insulation layer of the

wires may melt down.

Use wire clamp to fix the wires and terminal block after connection.

Control wire should be wrapped together with heat insulated refrigerant pipes.

Connect the indoor unit to power only after the refrigerant has been vacuumed.

CAUTION

Don t connect the power wire to the signal wire connection end.

Indoor unit power supply and the signal wire wiring

220-240V~ 50Hz

Outdoor Power

Supply

Indoor Power

Supply

(2-cord screened wire)

Creepage Protection

Switch

Creepage Protection

Switch

Ground Wire

380V ~

Outdoor Unit

Ground Wire

Connect to close end

of the screened wire

Indoor Unit

Wire Distribution Box

Wiring connection hole

Use the insulation materials (on field) to seal the wiring hole of the unit, or insufficient sealing

will cause condensate dew.

Panel wiring

Install the panel with vane

Connect the swing motor terminal block according to the panel installation manual.

Wiring specifications are listed below, insufficient capacity would over-heat the wire or destroy

the machine.

Model

Items

Power Cord of the Indoor Unit Control Wire

Diameter

Ground

Wire

Single-

Wire

Power

Capacity Fuse Below 20m

Twisted-pair

2-core screened wire

Twisted-pair

Below 50m

Quantity

Power Switch Power Cord

Indoor/Outdoor Unit

Signal Wire

Single Phase

220-240V~

50Hz

2mm 2

6mm

Not longer than 1500m

2mm

f1.5mm

15A

MDV-D28~71Q4/N2

15A

WIRING SPECIFICATIONS

The indoor unit power source should not be shared with outdoor unit.

The indoor units that connect to the same outdoor unit should use the same power source, creepage

protector and main switch.

The indoor power wire should be connected to the L N terminal , and the indoor/outdoor signal

wire should adopt the 2-core screened wire . The indoor /outdoor signal wire should be connected

to A B terminal and should be corresponding with the A B of the outdoor terminal. Connect the

screened layer to (E).

Indoor/Outdoor

Signal wire

INSTALL THE PANEL

NOTE

The panel and the ceiling, the panel and the unit body should be connected closely ,

or air leakage water leakage and condensate dew will be caused.

Please refer to the panel installation manual to install the panel.

Please confirm if the installation places of unit body and panel are proper.

!CAUTION

REFRIGERANT PIPE INSTALLATION

Ventilate the air if there was any refrigerant leakage during the installation.

Make sure there is no refrigerant leakage after the installation.

Leaked refrigerant will generate poisonous gas if meeting fire.

Allowed Length and Drop of Pipes

Material and Size of the Pipes

Requirements are different when installing the outdoor unit, please refer to outdoor unit

installation manual for detailed information.

Three length (3m,5m,10m) of pipes are available to purchase.

f19

Copper Pipe for Air ConditionerPipe Material

Size(mm) Gas side

Liquid side

Refrigerant Volume to Be Added

Refrigerant volume to be added is calculated according to outdoor unit installation manual (R407C).

Be sure to add refrigerant measuring by a scale.

If the added refrigerant volume is inadequate (too much or insufficient), the compressor

malfunction will be caused. Be sure to calculate the refrigerant volume carefully.

The service man should write down the piping length and the added refrigerant volume

in the nameplate, which is on the electric control box cover of outdoor unit, for

diagnosing the compressor and refrigeration circulation malfunction.

CAUTION

f9.53

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