Mitsubishi Electric Slim Four-Way Cassette Type Manuale utente

For correct installation,read this manual before starting installation.

This manual may be subject to change without notice for purpose of improvement..

INSTALLATION MANUAL

AIR CONDITIONER

Slim Four-Way Cassette Type

CONTENTS

1. INSTALLATION INFORMATION..............................................

2. INSTALLATION LOCATION....................................................

3. INDOOR UNIT INSTALLATION...............................................

4. OUTDOOR UNIT INSTALLATION...........................................

5. INSTALL THE CONNECTING PIPE........................................

6. REFRIGERANT PIPE CONNECTING.....................................

7. WIRING....................................................................................

8. TEST OPERATION..................................................................

Please read this Installation Manual carefully before installation.

The Air Conditioner must be installed by qualified service personnel.

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

When all the installation work is finished, please turn on the power only after a thorough check.

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

Note:

Cautions on remote controller installation:

The installer should illustrate how to correctly use and maintenance the appliance to user and

remind the user carefully reading and keeping both Installation Manual and Owner's Manual

after the air conditioner is installed.

Pictures in this manual are based on standard model. The shape shown may be slightly

different from the air conditioner you purchased.

Do not throw or beat the remote controller.

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.

Please read the Remote controller User's Manual carefully

before using.

Please check whether the accessories are of full scope. If there are some fittings free from use,

please restore them carefully.

Select the location

Install the connecting pipe

Install the indoor unit

Connect the drain pipe

Install the outdoor unit

Wiring

INSTALLATION INFORMATION

ACCESSORIES

Test operation

A place where there is enough room for installation and maintenance.

The ceiling is structurally sound to hold the Indoor Unit.

A place that is well ventilated and the influence of weather is the least.

A place that the airflow can reach every corners of the room.

A place where the refrigerant connecting pipe and drain pipe can reach out easily.

A place free of flammable gas or corrosive gas leakage.

A place where there is no direct affection from man-made high-voltage current and high-

frequency wave.

A place which is far from noises and vibration.

A place where there is enough room for installation and maintenance.

A place where there is no obstruction for good air flow. And a place avoids strong wind.

A dry and well ventilating place.

The supporting surface is flat and horizontal and can endure the weight of outdoor unit without

adding extra noises and vibration.

Ensure that the operation noise and the discharged air do not disturb your neighbors.

A place avoids flammable gas.

A place which is easy to install the connecting pipe or electrical wire.

Children could not reach.

The condensate should be well drained away by the drain hole to an appropriate place, not to

the wall or road, so as not to interfere other people or public.

Do not install at a public corridor or a place which affect the appearance of the city.

Location in the following places may cause malfunction of the machine. (If unavoidable, please

consult your local dealer.)

a. A place with mineral oil, such as machine oil.

b. A saline place such as a seashore vicinity.

c. A place with sulphur gas.

d. A place where voltage fluctuated in a wide range.

e. A place with oil gas, such as kitchen.

f. A place where high-frequency waves are generated.

g. A place with flammable gas or material.

h. A place with acid or alkaline gas.

i. Other special conditions.

INDOOR UNIT SHOULD BE INSTALLED AT:

OUTDOOR UNIT SHOULD BE INSTALLED AT:

CAUTIONS

INSTALLATION LOCATION

A 280

1. Decide the correct carry-in path.

2. Move this unit as originally packaged as possible.

3. If the air conditioner is installed on a metal part of the building, it must be electrically insulated

according to the relevant electrical code.

4. If installing in a lonely building or at a high position where it is hot and humid with frequent

thunderstorm, lightning-protection equipment is necessary.

NOTES BEFORE INSTALLATION

1. Install the main body

Necessary roomNecessary room

A. The existing ceiling (to be horizontal)

a. Please cut a quadrangular hole of 600 600mm in the ceiling according to the shape of the

installation paper board. (Refer to Chart3,4)

The center of the hole should be at the same position of that of the air conditioner body.

Determine the lengths and outlets of the connecting pipe, drain pipe and cables.

To balance the ceiling and to avoid vibration, please enforce the ceiling when necessary.

b. Please select the position of installation hooks according to the hook holes on the installation

board.

Drill four holes of 12mm, 50~55mm deep at the selected positions on the ceiling. Then embed

the expansible hooks(fittings).

Face the concave side of the installation hooks toward the expansible hooks. Determine the

length of the installation hooks from the height of ceiling, then cut off the unnecessary part.

If the ceiling is extremely high, please determine the length of the installation hook according to

facts.

Cut the installation hook open in the middle position, then use apropriate length of reinforcing

rod ( 12) to weld together.

Chart 1

Chart 3

Chart 2

Ground

Outlet

Drain side

422 28.5

401(Hook location)

611(Hook location)

580(Body)

600(Ceiling hole)

650(Panel)

Outlet

>2300

Inlet

INDOOR UNIT INSTALLATION

>1000

The length could be calculated from Chart5:

Length=210+L(in general, L is half of the whole length of the installation hook)

c. Please adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance

of the body.

Use the transparent hose filled with water to check the lever of the main body from the four

sides or diagonal line direction, the lever indicator also can check the lever from four sides of

the main body Refer to chart 6)

If the drainpipe is awry, leakage will be caused by the malfunction of the water-level switch.

Adjust the position to ensure the gaps between the body and the four sides of ceiling are even.

The body's lower part should sink into the ceiling for 10~12mm (Refer to chart5).

Locate the air conditioner firmly by wrenching the nuts after having adjusted the body's position

well.

B. New built houses and ceilings

a. In the case of new built house, the hook can be embedded in advance (refer to the A.b

mentioned above). But it should be strong enough to bear the indoor unit and will not become

loose because of concrete shrinking.

b. After installing the body, please fasten the installation paper board onto the air conditioner with

bolts (M5 16) to determine in advance the sizes and positions of the hole opening on ceiling.

Please first guarantee the flatness and horizontal of ceiling when installing it.

Refer to the A.a mentioned above for others.

c. Refer to the A.c mentioned above for installation.

d. Remove the installation paper board.

10-12

176

Chart 6

Chart 5

Chart 4

Chart 7 Chart 8

Colourless

trans parent pipe

Ceiling

Body

Ceiling

Panel

Hook

285

Nut

Body

600

Body

Fixing hole

Installation

paper board

Screw M5 16

(Accessory)

Installation

paper board

Hook hole

Central hole

H(ceiling height)

Horizontal

indicator

2. Install The Panel

(1) Remove the inlet grid.

(2) Install the panel

(3) Hang the air-in grid to the panel, then connect the lead terminator of the swing motor

and that of the control box with corresponding terminators on the body respectively.

(4) Relocate the air-in grid in the procedure of reversed order, install the air-in grid.

CAUTIONS:

CAUTIONS

Never put the panel face down on floor or against the wall, or on bulgy objects.

Never crash or strike it.

a. Slide two grid switches toward the middle at the same time, and then pull them up. (Refer to

chart 9)

b. Draw the grid up to an angle of about 30 , and remove it. (Refer to chart 10)

a. Align the swing motor on the panel to the water receiver of the body properly. (Refer to chart 11)

b. Hang the four fixed rope of the main body to the installation cover and the other three covers of

the swing motor: (Refer to chart 11 and )

c. Install the panel on the main body with bolt (M5 16) and washer. (Refer to chart 11 )

d. Adjust the four panel hook screws to keep the panel horizontal, and screw them up to the ceiling

evenly.

e. Regulate the panel in the direction of the arrow in Chart 11 slightly to fit the panel's center to

the center of the ceiling's opening. Guarantee that hooks of four corners are fixed well.

f. Keep fastening the screws under the panel hooks, until the thickness of the sponge between the

body and the panel's outlet has been reduced to about 4~6mm. The edge of the panel should

contact with the ceiling well. (Refer to chart 12)

Malfunction described in Chart 13 can be caused by inappropriate tightness the screw.

If the gap between the panel and ceiling still exists after fastening the screws, the height of the

indoor unit should be modified again. You can modify the height of the indoor unit through the

openings on the panel's four corners, if the lift of the indoor unit and the drainpipe is not

influenced (refer to chart 14-right).

The installation cover of the swing motor must sink into the corresponding water receiver.

Grid switch

Chart9

Chart 10

Keep this unit away from direct radiation of the sun or other heaters.

If unavoidable, please cover it with a shelter.

In places near coast or with a high attitude where the wind is violent, please install the outdoor

unit against the wall to ensure normal performance.

Use a baffle when necessary.

In the case of extremely strong wind, please prevent the air from flowing backwards into the

outdoor unit. (Refer to chart 15)

Locate the outdoor unit as close to the indoor unit as possible.

The minimum distance between the outdoor unit and obstacles described in the installation

chart does not mean that the same is applicable to the situation of an airtight. Leave open two

of three directions A,B,C..

No obstacles near the air outlet. When install in the balcony the

height of the balcony grill should be less than 1m, Otherwise, it

must be install on the metal frame for ventilate well.

For the cooling and heating type, please use the concrete to

increase the base when the stableness is not good enough.

If need suspending installation, the installation bracket should accord with technique

requirement in the installation bracket diagram. The installation wall should be solid brick,

concrete or the same intensity construction, or actions to reinforce, damping, supporting should

be taken.

OUTDOOR UNIT INSTALLATION

CAUTIONS

Cover

Steel rope

Body

Panel foam2

Ceiling

Panel foam

Air plate

Panel

Panel foam1

Panel sealing foam

Inlet air

Outlet air

Swing motor side

Ceiling

Leakage

Hexagon nut

Ceiling

Horizontal adjust ment

Dew

Swing motor installation cover

Drain side

Chart 11

Chart 13

Chart 14

Chart 12

Bolt, washer

Chart 15

Strong wind

NECESSARY ROOM FOR INSTALLATION AND MAINTENANCE

Never install the outdoor unit in a seal place without vertilation.

If possible, please remove the obstacles nearby to prevent the performance from being impeded

by too little of air circulation.

The minimum distance between the outdoor unit and obstacles described in the installation

chart does not mean that the same is applicable to the situation of an airtight room. Leave open

two of the three directions (A,B,C)

Since the gravity center of this unit is not at its physical center, so please be careful when lifting

it with a sling.

Never hold the air-in 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.

Please fasten the feet of this unit with bolts (M10) firmly to prevent it from collapsing in case of

earthquake or strong wind.

Make concrete foundation. (Refer to chart 17)

Fix the outdoor unit with the anchor bolts at a place which is not exposed to a strong wind.

Use M10 anchor bolts.

If need suspending installation, the installation should accord with the technique requirement in

the Manual.

CAUTIONS

MOVING AND INSTALLING

Anchor bolts arrangement of outdoor unit (Unit: mm)

>30cm

>60cm

>200cm

(Wall or obstacle)

Necessary wide

Fix with bolt

Deep

foundation

air inlet

Chart 16

Chart 17

Supending installation on the loosen texture wall is not allowed.

If it is unavoidable, the intensity construction and endure weight and the quantity air conditioners

installed in the same wall must be considered, actions to reinforce and protect should be taken

to secure the unit works properly.

The connection between bracket and wall, bracket and the air conditioner should be firm, stable

and reliable.

Check whether the height drop between the indoor unit and outdoor unit, the length of refrigerant

pipe, and the number of the bends meet the following requirements:

The max height drop ................................................................................................... 20m

(If the height drop is more than 10m, you had better put the outdoor unit over above the indoor

unit.)

The length of refrigerant pipe ...................................................................... less than 30m

The number of bends ..................................................................................... less than 15

1. Locate The Pipe

a) Measure the necessary length of the connecting pipe.

b) Drill a hole in the wall (suitable just for the size of the wall conduit, 90mm in general), then set

on the fittings such as the wall conduit and its cover.

c) Bind the connecting pipe and the cables together tightly with binding tapes. Do not let air in,

which will cause water leakage by condensation.

d) Pass the bound connecting pipe through the wall conduit from outside. Be careful of the pipe

allocation to do no damage to the tubing.

2. Connect the pipes.

a) Connect the indoor unit at first, then the outdoor unit.

Bend the tubing in proper way. Do not harm them.

CAUTIONS

Daub the surfaces of the flare pipe and the joint nuts with frozen oil, and wrench it for 3~4

rounds with hands before fasten the flare nuts. (Refer to chart 18)

Be sure to use two wrenches simultaneously when you connect or disconnect the pipes.

b) The stop valve of the outdoor unit should be closed absolutely (as original state). Every time

you connect it, first loosen the nuts at the part of stop valve, then connect the flare pipe

immediately (in 5 minutes). If the nuts have been loosened for a long time, dusts and other

impurities may enter the pipe system and may cause malfunction later. So please expel the air

out of the pipe with refrigerant before connection.

The standard length of connecting pipe is no more than 8m, choose appropriate position for

both indoor and outdoor unit to make the connecting pipe as short as possible.

Do not let air, dust, or other impurities fall in the pipe system during the time of installation.

The connecting pipe should not be installed until the indoor and outdoor units have been fixed

already.

Keep the connecting pipe dry, and do not let moisture in during installation.

THE PROCEDURE OF CONNECTING PIPES

INSTALL THE CONNECTING PIPE

Use frozen oil

Bend the pipe with thumb

Make the end straight

min-radius 100mm

Chart 18

Chart 19

Chart 20

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