Toshiba RAV Heat Manuale utente

FILE NO. A90-9714

AIR-CONDITIONER

RAV HEAT PUMP RANGE

Printed in UK Aug 1997 s

SERVICE MANUAL

INFRARED REMOTE CONTROL

-2-

SUMMARY

• The infrared remote controller within this manual conforms with the protection requirements of European

Directives 89/336/EEC Electromagnetic Compatibility and 73/23/EEC Low Voltage.

CONTENTS

1. OPERATION DESCRIPTION...................................................................................................................................3

2. TROUBLESHOOTING...........................................................................................................................................12

3. CONSTRUCTION VIEWS AND PARTS LIST..........................................................................................................17

4. SPECIFICATIONS OF ELECTRICAL PARTS..........................................................................................................17

-3-

ON/OFF Button

• Push this button to start operation.

(A receiving beep is heard)

• Push the button to stop operation.

(A receiving beep is heard)

Temperature button (TEMP)

The set temperature is

increased to a max 30ºC.

The set temperature is

decreased to a min of 17ºC.

Mode select button (MODE)

Push this button to select modes. Each

time you push the button, a mode is

selected in a sequence that goes from

AUTO, COOL, DRY,HEAT, FAN ONLY,

and back to AUTO. (A receiving beep is

heard).

Economy button (ECONO)

• Push this button to set the

economical operation mode of the

air conditioner.

(A receiving beep is heard)

1. OPERATION DESCRIPTION

1-1. REMOTE CONTROLLER

1-1-1. Remote Functions (Cover closed)

-4-

Temperature button (TEMP)

The set temperature is

increased to a max 30ºC.

The set temperature is

decreased to a min of 17ºC.

Cover closed functions

• Push this button to show functions

as with the cover closed.

Function lock button (LOCK)

• Push this button to lock settings.

• Push this button again to cancel

lock function.

Infrared signal transmitter

Transmits the signal to the indoor unit

ON/OFF Button

• Push this button to start operation.

(A receiving beep is heard)

• Push the button to stop operation.

(A receiving beep is heard)

Fan speed button (FAN)

• Push this button to select fan speed.

• When you select AUTO, the fan

speed is automatically adjusted

according to the room temperature.

You can also manually select the

desired fan speed from the three

settings. Low, Med, High. (A receiving

beep is heard).

Auto louver button (AUTO)

• Push this button to operate the

louver.

(A receiving beep is heard).

• Push this button again to stop louver

operation.

(A receiving beep is heard).

Set louver button (SET)

• This button has no function on RAV

units.

Off timer button (OFF)

• Push this button to set the OFF

timer.

On timer button (ON)

• Push this button to set the ON timer.

Time adjust button

• Rotate this to increase/decrease

time settings.

Cancel button (CNL)

• Push this button to cancel timer

operation.

(A receiving beep is heard).

Reserve button (RSV)

• Push this button to set timer .

(A receiving beep is heard).

Mode select button (MODE)

Push button to select modes. Each time

you push the button, a mode is selected

in a sequence that goes from AUTO,

COOL, DRY, HEAT, FAN ONLY, and

back to AUTO. (A receiving beep is

heard).

1-1-2. Remote Functions (Cover Open)

-5-

1-1-3. Names and Functions of Indicators on Remote Controller

TRANSMITTER display

Shows when the signal is being

transmitted to the undoor unit. ON/OFF display

Shows if unit is enabled.

LOCK display

Shows if the Lock function is enabled.

MODE display

Shows the current mode of the unit,

AUTO, COOL, DRY, HEAT or FAN ONLY.

TEMP display

Shows the temperature setting of the

unit.

ECONOMY display

Shows if the economy mode is in

operation.

FAN display

Shows the units current fan speed

setting. AUTO, LOW, MED or HIGH.

CLOCK display

Shows the current time.

TIMER display

Shows the current timer ON and OFF

settings.

-6-

1-2-2. Remote Receiver Switch

Remote control The unit will be controlled by the Infrared Remote Control.

Auto The unit will operate in temporary Auto mode with the set temperature at 24°c

Cool The unit will operate in temporary Cooling mode with the set temperature at 17°c

The air conditioner can be controlled using this method in the event of misplacing the Infrared remote

controller or its malfunction.

1-2-3. Audible acknowledgement

The remote receiver acknowledges each transmission from the Infrared remote controller, with an audible

beep.

1-2. REMOTE RECEIVER FUNCTIONS (FITTED TO INDOOR UNIT)

1.2.1. Remote Receiver Features

Audible acknowledgement.

Remote Receiver Switch

Infrared Receiver

Yellow LED lights when the

timer is in operation. Green LED lights when unit is in

defrost mode.

Red LED lights when unit is

operational.

-7-

1-3. HANDLING THE REMOTE CONTROLLER

1-3-1. Location of the Remote Controller

Operate the remote controller where its signals can reach the receiver on the air conditioner (within 7m)

1-3-2. Remote Controller Mounting bracket

A mounting bracket is supplied with the remote controller.

(1) Installing the mounting bracket

Install the bracket for the remote controller where the unit can be operated, with the remote in the bracket.

(2) Fitting and removing the remote controller

To mount, hold the remote controller parallel to the mounting bracket and push it in fully. To remove, slide the

remote controller upwards and out from the mounting bracket.

-8-

1-3-4. Cautions

• The air conditioner will not operate if curtains, doors or other materials block the signal from the remote controller

to the indoor unit.

• Protect the remote controller from moisture.

• Do not expose the remote controller to direct sunlight or heat.

• If the infrared signal receiver on the indoor unit is exposed to direct sunlight, the air conditioner may not function

properly.

• If the room using the air conditioner has fluorescent lighting with electronic starters, signals may not be properly

received. If you are planning to use such fluorescent lamps, consult your local dealer.

• If other electrical appliances react to the remote control, either move these appliances or consult your local dealer.

1-3-3. Replacing Batteries

The remote controller uses two alkaline dry batteries (LR03 AAA size).

(1) Remove the cover of the battery compartment at the back of the remote controller by sliding it out in the direction of

the arrow.

Remove used batteries and dispose of responsibly, then insert new batteries.

(2) Reset the remote controller by pressing the ACL button in the battery compartment, with a pointed object

(3) Replace the cover of the battery compartment.

(4) If remote controller fails to operate properly, repeat reseting by pressing ACC button.

Notes:

• When replacing batteries, use correct type. Incorrect batteries may cause the remote controller to malfunction.

• If you do not use the remote controller over a long period, remove the batteries. Otherwise, battery leakage may

damage the remote controller.

• The average battery life during normal use is approximately one year.

• Replace the batteries when there is no receiving beep from the indoor unit or if the transmission indicator on the

remote control unit fails to show.

Ensure the correct

polarity of

batteries

ACL Button

-9-

1-4-1. AUTO Operation

When you set the air conditioner in AUTO mode, it initially selects cooling mode. Then depending on the room tempera-

ture the mode of operation may change.

Operation Steps

Supply Power On

The OPERATION LED on the remote receiver starts flashing.

(1) MODE button

• Select AUTO.

(2) TEMP. button

• Push the TEMP. button.

• Select the required temperature between 17°C to 30°C.

(3) ON/OFF button

• Push this button to start the air conditioner.

• The OPERATION LED on the remote receiver lights. The operating mode is selected in accordance with the

room temperature and operation starts after approximately 3 minutes.

Stop: ON/OFF button

• Push this button again to stop the air conditioner.

Note:

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

• When you select the AUTO mode, you do not have to set the fan speed. The FAN speed display will show

AUTO and the fan speed will be automatically controlled.

1-4 OPERATING MODES

Once selected the operating mode is stored in the unit's microcomputer memory. Thereafter, the air conditioner will

operate under the same conditions when you operate the ON/OFF button of the remote controller.

-10-

1-4-2. HEAT Operation

Operation Steps

Supply Power On

The OPERATION LED on the display panel of the indoor unit starts flashing.

(1) MODE button

• Select HEAT mode.

(2) TEMP button

• Set the required temperature.

(3) FAN button

• Select any of the “AUTO”, “LOW”, “MED” and “HIGH”.

(4) ON/OFF button

• Push this button again to start the air conditioner.

• The OPERATION and DEFROST LEDs light on the remote receiver. After a period of preheating the

DEFROST LED extinguishes and heating operation starts.

Stop: ON/OFF button

• Push this button again to stop the air conditioner.

(B) 1-4-4. FAN ONLY Operation

• The FAN ONLY mode does not control temperature. Therefore, perform only steps (1), (3) and (4) to

select this mode.

(A) 1-4-3. COOL Operation

Operation Steps

Supply Power On

The OPERATION LED on the remote receiver starts flashing.

(1) MODE button

• Select COOL mode.

(2) TEMP button

• Push the TEMP. button.

• Cooling 17°C or higher

(3) FAN button

• Select any of the “AUTO”, “LOW”, “MED” and “HIGH”.

(4) ON/OFF button

• Push this button again to start the air conditioner.

• The OPERATION LED on the display panel of the lndoor unit lights. Operation starts after approximately 3

minutes.

Stop: ON/OFF button

• Push this button again to stop the air conditioner.

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