Toshiba RAV-SM402MUT-E User manual

English-1

Thank you very much for purchasing TOSHIBA Air Conditioner.

Please read this owner’s manual carefully before using your Air Conditioner.

• Be sure to obtain the “Owner’s manual” and “Installation manual” from constructor (or dealer).

Request to constructor or dealer

• Please clearly explain the contents of the Owner’s manual and hand over it.

ADOPTION OF NEW REFRIGERANT

This Air Conditioner is a new type that adopts a new refrigerant HFC (R410A) instead of the conventional

refrigerant R22 in order to prevent destruction of the ozone layer.

This appliance is not intended for use by person (including children) with reduced physical, sensory or mental

capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction

concerning use of the appliance by a person responsible for their safety.

CONTENTS

1ACCESSORIES (SOLD SEPARATELY)..................................................... 2

2PRECAUTIONS FOR SAFETY .................................................................. 2

3PARTS NAME ............................................................................................ 4

4PARTS NAME OF REMOTE CONTROLLER............................................. 5

5CORRECT USAGE .................................................................................... 7

6AUTOMATIC OPERATION (Auto Changeover) ........................................ 8

7ADJUSTMENT OFWIND DIRECTION ...................................................... 9

8TIMER OPERATION ................................................................................ 10

9MAINTENANCE ....................................................................................... 12

10 AIR CONDITIONER OPERATIONS AND PERFORMANCE ................... 14

11 RE-INSTALLATION.................................................................................. 15

12 TROUBLES AND CAUSES ..................................................................... 15

2English-2

1ACCESSORIES (SOLD SEPARATELY)

Remote controller Standard 4-way cassette panel optional parts

ON / OFF

FAN

TEMP.

SWING/FIXTIME

MODE

VENT

UNITSET CL

FILTER

RESET

TEST

TIMER SET

CODE No.

UNIT No.

TEST

SETTING

DATA

SET

R.C. No.

RBC-AMT32E

2PRECAUTIONS FOR SAFETY

WARNING

WARNINGS ABOUT INSTALLATION

•Make sure to ask the qualified installation professional in electric work to install the

air conditioner.

If the air conditioner is inappropriate installed by yourself, it may cause water leak,

electric shock, fire, and so on.

•Be sure to provide grounding.

Do not connect ground wires to gas pipes, water pipes, lightning rods or ground

wires for telephone cables.

CAUTION

TO DISCONNECT THE APPLIANCE FROM THE MAINS SUPPLY

This appliance must be connected to the mains by means of a switch with a contact

separation of at least 3 mm.

The installation fuse (16A) must be used for the power supply line of this

conditioner.

WARNINGS ABOUT OPERATION

•Cleaning of the air filter and other parts of the air filter involves dangerous work in

high places, so be sure to have a service person do it. Do not attempt it yourself.

The cleaning diagram for the air filter is there for the service person, and not for

the customer.

•Avoid cooling the room too strong or exposing the human body to cool breeze for a

long time as it is bad for the health.

•When you notice something abnormal with the air conditioner (smells like some-

thing scorching, poor cooling, etc.), immediately turn off the main switch, the circuit

breaker, from the mains to stop the air conditioner, and contact the dealer.

If the air conditioner is continuously operated with something abnormal, it may

cause machine failure, electric shock, fire, and so on.

WARNINGS ABOUT MOVEMENT AND REPAIR

•Do not move or repair any unit by yourself.

Since there is high voltage inside the unit, you may get electric shock when

removing the cover and main unit.

•Whenever the air conditioner needs repair, make sure to ask the dealer to do it.

If it is repaired imperfectly, it may cause electric shock or fire.

•When moving the air conditioner for re-installing at another place, ask the dealer to

do it.If it is imperfectly installed, it may cause electric shock or fire.

English-3

CAUTION

CAUTIONS ABOUT INSTALLATION

•Be sure to confirm the following cautions.

•Certainly lay the drain hose for perfect draining.

Bad drainage may cause flooding in the house and getting furniture wet.

•Make sure to connect the air conditioner to an exclusive power supply of

the rated voltage, otherwise the unit may break down or cause a fire.

•Do not install the unit in a place where inflammable gas may leak.

If inflammable gas accumulates around the unit, it may cause a fire.

CAUTIONS ABOUT OPERATION

•Carefully read this manual before starting the air conditioner.

There are many important things to keep in mind for daily operation.

•Do not use this air conditioner for special purpose such as preserving food,

precision instruments, art objects, breeding animals, growing potted plants,

etc.

•Avoid exposing potted plants and animals to the wind of the air conditioner,

since it badly affects the health and growth of them.

•When the air conditioner is operated with a combustion appliance in the

same place, be careful of ventilation to let fresh air enter the room.

Poor ventilation causes oxygen shortage.

•Do not place any combustion appliance in a place where it is directly

exposed to the wind of air conditioner; otherwise it may cause imperfect

combustion.

•When the air conditioner is used in a closed room, be careful of sufficient

ventilation of the room. Poor ventilation causes oxygen shortage.

•Do not touch any switches with wet finger, otherwise you may get an

electric shock.

•If the air conditioner won’t be used for a considerably long time, turn off the

main switch or the circuit breaker, for safety.

•Check the concrete blocks, etc. of the base of the outdoor unit occasionally.

If the base is left damaged or deteriorated, the unit may topple over and

inflict an injury to a person as the worst case.

•Do not put anything on the outdoor unit or step onto it.

If you do so, it may not only topple over the unit but also injure yourself.

•To make the air conditioner operate in its original performance, operate it

within the range of the operating temperature specified in the instructions.

Otherwise it may cause a malfunction, or water leak from the unit.

•Prevent any liquid from falling into the remote controller.

Do not spill juice, water or any kind of liquid.

2PRECAUTIONS FOR SAFETY

4English-4

Air inlet (Side and rear)

Pipes and electric wires

Air outlet

Projection of air filter

Remote controller

Button

Button to open/close the

suction port

Earth screw

Provided in the electric parts box

Discharge louver

of discharge port

Change the direction of the air

to be discharged according to

cool/heat mode.

ON / OFF

FAN

TEMP.

SWING/FIXTIME

MODE

VENT

UNITSET CL

FILTER

RESET

TEST

TIMER SET

CODE No.

UNIT No.

TEST

SETTING

DATA

SET

R.C. No.

Suction airport

The air in the room is sucked

in from this port.

Air filter

Removes dust or trash.

(Provided on the suction port.)

3PARTS NAME

Indoor unit

Outdoor unit

English-5

4PARTS NAME OF REMOTE CONTROLLER

Display section

In the display example, all indicators are displayed for the explanation.

In reality only, the selected contents are indicated.

•When turning on the leak breaker at the first time,

SETTING

flashes on

the display part of the remote controller.

•While this display is flashing, the model is being automatically confirmed.

Accordingly, wait for a while after

SETTING

display has disappeared, and

then use the remote controller.

Display

section

Operation

section

SET

TIME

TIMER SET

TEST

FILTER

RESET

TEMP.

FAN

SAVE

SWING/FIX

VENT

MODE

ON / OFF

UNIT LOUVER

78 9216 15

614

13 12

1SETTING display

Displayed during setup of the timer etc..

2Operation mode select display

The selected operation mode is displayed.

3CHECK display

Displayed while the protective device works or a

trouble occurs.

4Timer time display

Time of the timer is displayed.

(When a trouble occurs, the check code is

displayed.)

5Timer SET IN setup display

When pushing the Timer SET button, the display

of the timer is selected in order of

[OFF] →[OFF] repeat OFF timer →

[ON] →No display.

6Filter display

If “FILTER ”is displayed, clean the air filter.

7TEST run display

Displayed during a test run.

8Louver position display

Displays louver position.

9SWING display

Displayed during up/down movement of the louver.

10 Set up temperature display

The selected set up temp. is displayed.

11 Remote controller sensor display

Displayed while the sensor of the remote controller is

used.

12 PRE-HEAT display

Displayed when the heating operation starts or

defrost operation is carried out.

While this indication is displayed, the indoor fan stops.

13 No function display

Displayed if there is no function even if the button

is pushed.

14 Air volume select display

The selected air volume mode is displayed.

(AUTO) (HIGH)

(MED.) (LOW)

15 Unit Number display

Unit number of the indoor unit selected with the unit

select button or abnormal indicate the indoor/outdoor

unit.

16 Central control display

Displayed when the air conditioner is used under the

central control in combination with a central control

remote controller.

In case the remote controller is disabled by the

central control system, flashes.

The button operation is not accepted.

Even when you push ON/OFF, MODE, orTEMP.

button, and the button operation is not accepted.

(Settings made by the remote controller vary with the

central control mode.For details, refer to the Owner’s

Manual of the central control remote controller.)

6English-6

Operation section

Push each button to select a desired operation.

•The details of the operation needs to be set up once, afterward, the air conditioner can be used by pushing

ON / OFF

button only.

SET

TIME

TIMER SET

TEST

FILTER

RESET

TEMP.

FAN

SAVE

SWING/FIX

VENT

MODE

ON / OFF

UNIT LOUVER

FAN

button (Air volume select button)

Selects the desired air volume mode.

TIMER SET

button (Timer set button)

TIMER SET button is used when the timer is set

up.

TEST

button (Check button)

The CHECK button is used for the check operation.

During normal operation, do not use this button.

VENT

button (Ventilation button)

Ventilation button is used when a fan which is

sold on the market is connected.

•If “No function ”is displayed on the remote

controller when pushing the Ventilation button, a

fan is not connected.

FILTER

RESET

button (Filter reset button)

Resets (Erases) “FILTER ”display.

SAVE

button (Power save operation)

No Function

SWING/FIX

button (Swing/Wind direction button)

Selects automatic swing or setting the louver

direction.

8Operation lamp

Lamp is lit during the operation.

Lamp is off when stopped.

It flashes during operating the protection device

or abnormal time.

ON / OFF

button

When the button is pushed, the operation starts,

and it stops by pushing the button again.

When the operation has stopped, the operation

lamp and all the displays disappear.

MODE

button (Operation select button)

Selects desired operation mode.

UNIT LOUVER

button (Unit/Louver select button)

Selects a unit number (left) and louver number

(right).

UNIT:

Selects an indoor unit when adjusting wind

direction when multiple indoor units are controlled

with one remote controller.

LOUVER:

No Function

TEMP.

button (Set up temperature button)

Adjusts the room temperature.

Set the desired set temperature by pushing

TEMP. or TEMP. .

OPTION :

Remote controller sensor

Usually the TEMP. sensor of the indoor unit senses

the temperature.

The temperature on the surrounding of the remote

controller can also be sensed.

For details, contact the dealer from which you have

purchased the air conditioner.

English-7

5CORRECT USAGE

When you use the air conditioner for the first time or when you change the SET DATA value, follow the procedure below.

From the next time, the operation displayed on the remote controller will start by pushing the

ON / OFF

button only.

Preparation

Turn on the main power switch and/or the leakage breaker.

•When the power supply is turned on, a partition line is displayed on the display part of the remote controller.

∗After the power supply is turned on, the remote controller does not accept an operation for approx. 1 minute, but

it is not a failure.

REQUIREMENT

•While using the air conditioner, operate it only with

ON / OFF

button without turning off the main power switch

and the leak breaker.

•When you use the air conditioner after it has not been used for a long period, turn on the leakage breaker at

least 12 hours before starting operation.

Start

1Push

ON / OFF

button.

The operation lamp goes on, and the operation starts.

2Select an operation mode with the

“MODE

MODE

” button.

One push of the button, and the display changes in

the order shown as follows.

3Select air volume with“

FAN

” button.

One push of the button, and the display changes in the order shown as follows.

•When air volume is “AUTO”, air volume differs

according to the room temperature.

•In heating operation, if the room temperature is not

heated sufficiently with VOLUME “LOW”

operation, select “MED.”or “HIGH”operation.

•The temperature sensor senses temperature near the suction air port of the indoor unit, which differs from the

room temperature depending on the installation condition.

A value of setting temperature is the measure of room temperature.

(“AUTO”is not selectable in the FAN mode.)

4Determine the set up temperature by pushing the“TEMP. ”or“TEMP. ” button.

Stop

Push

ON / OFF

button.

The operation lamp goes off, and the operation stops.

AUTO HEAT DRY COOL FAN

LOWMED.HIGH

AUTO

SET

TIME

TIMER SET

TEST

FILTER

RESET

TEMP.

FAN

SAVE

SWING/FIX

VENT

MODE

ON / OFF

UNIT LOUVER

8English-8

6AUTOMATIC OPERATION

(Auto Changeover)

When you set the air conditioner in mode or switch over from AUTO operation because of some settings change,

it will automatically select either cooling, heating, or fan only operation depending on the indoor temperature.

Start

ON / OFF

button

Push this button to start the air conditioner.

2Mode select button (MODE)

Select Auto.

3Temperature button

Set the desired temperature.

•In case of cooling, start the operation after approx. 1 minute.

•In case of heating, the operation mode is selected in accordance with the room temperature and operation

starts after approximately 3 to 5 minutes.

•When you select the Auto mode, it is unnecessary to set the fan speed.

The FAN speed display will show AUTO and the fan speed will be automatically controlled.

•After the heating operation has stopped, FAN operation may continue for approx. 30 seconds.

•When the room temperature reaches the set temperature and the outdoor unit stops, the super low wind is

discharged and the air volume decreases excessively.

•If the Auto mode is uncomfortable, you can select the desired conditions manually.

NOTE

When restarting the operation after stop

•When restarting the operation immediately after stop, the air conditioner does not operate for approx. 3 minutes

to protect the machine.

Stop

Push

ON / OFF

button.

Push this button again to stop the air conditioner.

SET

TIME

TIMER SET

TEST

FILTER

RESET

TEMP.

FAN

SAVE

SWING/FIX

VENT

MODE

ON / OFF

UNIT LOUVER

English-9

7ADJUSTMENT OF WIND DIRECTION

•Be sure to draw a line about the use of the louver between cooling and heating operation in order to increase

the cooling/heating effect.

•When the air conditioner stops, the louver (adjustment plate of up/down wind direction) close automatically.

•In heating operation, when starting the operation/executing defrost operation or when the room temperature has

reached the set temperature, the fan stops or the wind volume becomes less extremely and the louver directs

upward.

•In this time, if you set the swinging operation or the wind direction, the setup contents are displayed on the

remote controller but the louver does not move as it directs upward.

•When starting the usual heating operation which blows hot air, the louver directs toward the setup wind direction.

How to set up the wind direction

1Push

SWING/FIX

during operation.

The wind direction changes for every push of the

button.

In HEAT operation

Direct the louver (adjustment plate of up/down wind

direction) downward.

If directing at horizontally, hot air

may not come to the foot.

Initial setup

How to stop swinging

1Push

SWING/FIX

at a desired position while the

louver is swinging.

•When

SWING/FIX

is pushed after that, wind direction

can be set again from the highest position.

∗However, even if

SWING/FIX

is pushed while the louver

is swinging, the louver position is displayed as

follows and highest position of the louver may not

be selected.

Display when swinging is stopped

Repeat

In this case, push

SWING/FIX

again two seconds later.

•In COOL/DRY operation, the louver does not stop

as it directs downward.

If stopping the louver as it directs downward

during swing operation, it stops after moving to

the third position from the highest position.

Display when stopping the swing

In COOL/DRY operation

Direct the louver (adjustment plate of up/down wind

direction) horizontally.

If directing it downward, the dew

may from on the surface of the

air discharge port and may drop down.

In FAN operation

Select a desired wind direction.

How to start swinging

1Push

SWING/FIX

, set the louver (adjustment plate

of up/down wind direction) direction to the

lowest position, and then push

SWING/FIX

again.

SWING is displayed and the up/down wind

direction is automatically selected.

Display during swinging

SET

TIME

TIMER SET

TEST

FILTER

RESET

TEMP.

FAN

SAVE

SWING/FIX

VENT

MODE

ON / OFF

UNIT LOUVER

FAN/HEAT

operation COOL/DRY

operation

FAN/HEAT

operation COOL/DRY

operation

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