Toshiba RAV-SM456BT-TR, RAV-SM566BT-TR, RAV-SM1606BT-E, RAV-SM806BT-TR, RAV-SM1406BT-TR User Manual

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FILE NO. A1 1-018

SERVICE MANUAL

SPLIT TYPE

INDOOR UNIT <DIGITAL INVERTER>

Concealed Duct Type

RAV-SM406BT-E RAV-SM406BT-TR RAV-SM456BT-E RAV-SM456BT-TR RAV-SM566BT-E RAV-SM566BT-TR

RAV-SM806BT-E RAV-SM806BT-TR RAV-SM1106BT-E RAV-SM1106BT-TR RAV-SM1406BT-E RAV-SM1406BT-TR

RAV-SM1606BT-E RAV-SM1606BT-TR

R410A

PRINTED IN JAPAN, Feb., 2012 ToMo

NOTE

A direct current motor is adopted for indoor fan motor in the Concealed Duct Standard Type air conditioner. Caused from its characteristics, a current limit works on the direct current motor. When replacing the high-performance filter or when opening the service board, be sure to stop the fan. If an above action is executed during the fan operation, the protective control works to stop the unit operation, and the check code “P12” may be issued. However it is not a trouble. When the desired operation has finished, be sure to reset the system to clear “P12” error code using the leak breaker of the indoor unit. Then push the operation stop button of the remote controller to return to the usual operation.

CONTENTS

Original instruction ......................................................................................... 4

Warning Indications on the Air Conditioner Unit ........................................ 6

Precaution for Safety ...................................................................................... 7

New Refrigerant (R410A) .............................................................................. 14

1. Safety Caution Concerned to New Refrigerant ..................................................... 14

2. Cautions on Installation/Service ............................................................................ 14

3. Pipe Materials .......................................................................................................... 14

1. AIR DUCTING WORK ............................................................................. 16

1-1. Static Pressure Characteristics ....................................................................... 16

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS).................................... 17

3. WIRING DIAGRAM .................................................................................. 19

4. SPECIFICATIONS OF ELECTRICAL PARTS ....................................... 20

5. CONTROL BLOCK DIAGRAM ............................................................... 21

5-1. Indoor Controller Block Diagram..................................................................... 21

5-2. Control Specifications ...................................................................................... 24

5-3. Indoor Print Circuit Board ................................................................................ 34

6. TROUBLESHOOTING ............................................................................ 36

6-1. Summary of Troubleshooting .......................................................................... 36

6-2. Check Code List (Indoor) ................................................................................. 41

6-3. Diagnostic Procedure for Each Check Code (Indoor Unit) ........................... 46

7. REPLACEMENT OF SERVICE P.C. BOARD......................................... 58

7-1. Indoort Unit ....................................................................................................... 58

– 2 –

8. SETUP AT LOCAL SITE AND OTHERS ............................................... 63

8-1. Indoor Unit......................................................................................................... 63

8-2. Setup at Local Site / Others .............................................................................. 73

8-3. How to Set up Central Control Address Number ........................................... 75

9. ADDRESS SETUP .................................................................................. 77

9-1. Address Setup .................................................................................................. 77

9-2. Address Setup & Group Control ..................................................................... 78

9-3. Address Setup (Manual Setting from Remote Controller) ............................. 81

9-4. Confirmation of Indoor Unit No. Position ........................................................ 82

10. DETACHMENTS...................................................................................... 83

11. EXPLODED VIEWS AND PARTS LIST.................................................. 89

11-1. RAV-SM406BT-E, RAV-SM456BT-E, RAV-SM566BT-E .................................... 89

11-2. RAV-SM806BT-E ................................................................................................ 91

11-3. RAV-SM406BT-TR, RAV-SM456BT-TR, RAV-SM566BT-TR ............................. 93

11-4. RAV-SM806BT-TR ............................................................................................. 95

11-5. Electric parts

RAV-SM406BT-E (TR), RAV-SM456BT-E (TR),

RAV-SM566BT-E (TR), RAV-SM806BT-E (TR) .................................................. 97

11-6. RAV-SM1106BT-E, RAV-SM1406BT-E, RAV-SM1606BT-E .............................. 98

11-7. RAV-SM1106BT-TR, RAV-SM1406BT-TR, RAV-SM1606BT-TR ..................... 100

11-8. Electric parts

RAV-SM1106BT-E (TR), RAV-SM1406BT-E (TR), RAV-SM1606BT-E (TR) .... 102

– 3 –

Original instruction

Please read carefully through these instructions that contain important information which complies with the “Machinery” Directive (Directive 2006/42/EC), and ensure that you understand them.

Generic Denomination: Air Conditioner

Definition of Qualified Installer or Qualified Service Person

The air conditioner must be installed, maintained, repaired and removed by a qualified installer or qualified service person.

When any of these jobs is to be done, ask a qualified installer or qualified service person to do them for you.

A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below.

Agent

Qualified installer (∗1)

Qualified service person (∗1)

Qualifications and knowledge which the agent must have

• The qualified installer is a person who installs, maintains, relocates and removes the air conditioners made by Toshiba Carrier Corporation.

He or she has been trained to install, maintain, relocate and remove the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations.

• The qualified installer who is allowed to do the electrical work involved in installation, relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations, and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

• The qualified installer who is allowed to do the refrigerant handling and piping work involved in installation, relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations, and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

• The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

• The qualified service person is a person who installs, repairs, maintains, relocates and removes the air conditioners made by Toshiba Carrier Corporation. He or she has been trained to install, repair, maintain, relocate and remove the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations.

• The qualified service person who is allowed to do the electrical work involved in installation, repair, relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations, and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

• The qualified service person who is allowed to do the refrigerant handling and piping work involved in installation, repair, relocation and removal has the qualifications pertaining to this refrigerant handling

she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

• The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.

and piping work as stipulated by the local laws and regulations, and he or

– 4 –

Definition of Protective Gear

When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and ‘safety’ work clothing.

In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed in the table below.

Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury, burns, electric shocks and other injuries.

Work undertaken

All types of work

Electrical-related work

Work done at heights (50 cm or more)

Transportation of heavy objects

Repair of outdoor unit

Protective gloves “Safety” working clothing

Gloves to provide protection for electricians and from heat Insulating shoes Clothing to provide protection from electric shock

Helmets for use in industry

Shoes with additional protective toe cap

Gloves to provide protection for electricians and from heat

Protective gear worn

The important contents concerned to the safety are described on the product itself and on this Service Manual.

Please read this Service Manual after understanding the described items thoroughly in the following contents (Indications/Illustrated marks), and keep them.

[Explanation of indications]

Indication

Explanation

DANGER

WARNING

CAUTION

Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed.

Indicates possibilities assumed that a danger causing a death or serious injury of the repair engineers, the third parties, and the users due to troubles of the product after work when an incorrect work has been executed.

Indicates contents assumed that an injury or property damage (∗) may be caused on the repair engineers, the third parties, and the users due to troubles of the product after work when an incorrect work has been executed.

∗ Property damage : Enlarged damage concerned to property, furniture, and domestic animal/pet

[Explanation of illustrated marks]

Mark Explanation

Indicates prohibited items (Forbidden items to do)

The sentences near an illustrated mark describe the concrete prohibited contents.

Indicates mandatory items (Compulsory items to do)

The sentences near an illustrated mark describe the concrete mandatory contents.

Indicates cautions (Including danger/warning)

The sentences or illustration near or in an illustrated mark describe the concrete cautious contents.

– 5 –

Warning Indications on the Air Conditioner Unit

[Confirmation of warning label on the main unit]

Confirm that labels are indicated on the specified positions

If removing the label during parts replace, stick it as the original.

Warning indication

WARNING

ELECTRICAL SHOCK HAZARD

Disconnect all remote electric power supplies before servicing.

WARNING

Moving parts. Do not operate unit with grille removed. Stop the unit before the servicing.

Description

WARNING

ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies

before servicing.

WARNING

Moving parts. Do not operate unit with grille removed. Stop the unit before the servicing.

CA UTION

High temperature parts. You might get burned when removing

this panel.

CA UTION

Do not touch the aluminum fins of the unit. Doing so may result in injury.

CA UTION

BURST HAZARD

Open the service valves before the operation, otherwise there might be the burst.

CAUTION

High temperature parts. You might get burned when removing this panel.

CAUTION

Do not touch the aluminum fins of the unit. Doing so may result in injury.

CAUTION

BURST HAZARD Open the service valves before the operation,

otherwise there might be the burst.

– 6 –

Precaution for Safety

The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual.

DANGER

Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker to the OFF position. Otherwise, electric shocks may result.

Before opening the electrical control box cover of the indoor unit or service panel of the outdoor unit, set the circuit breaker to the OFF position. Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts. Only a qualified installer (∗1) or qualified service person (∗1) is allowed to remove the electrical control box cover of the indoor unit or service panel of the outdoor unit and do the work required.

Tur n o ff

breaker.

Electric

shock

hazard

Before starting to repair the outdoor unit fan or fan guard, be absolutely sure to set the circuit breaker to the OFF position, and place a "Work in progress" sign on the circuit breaker.

When cleaning the filter or other parts of the indoor unit, set the circuit breaker to OFF without fail, and place a "Work in progress" sign near the circuit breaker before proceeding with the work.

When checking the electric parts, removing the cover of the electric parts box of Indoor Unit and/or service panel of Outdoor Unit inevitably to determine the failure, use gloves to provide protection for electricians, insulating shoes, clothing to provide protection from electric shock and insulating tools. Be careful not to touch the live part. Electric shock may result. Only "Qualified service person" is allowed to do this work.

Before operating the air conditioner after having completed the work, check that the electrical parts box cover of the indoor unit and service panel of the outdoor unit are closed, and set the circuit breaker to the ON position. You may receive an electric shock if the power is turned on without first conducting these checks.

Execute

discharge

between

terminals.

Prohibition

Stay on

protection

WARNING

Even if the circuit breaker has been set to the OFF position before the service panel is removed and the electrical parts are repaired, you will still risk receiving an electric shock. For this reason, short-circuit the high-voltage capacitor terminals to discharge the voltage before proceeding with the repair work. For details on the short-circuiting procedure, refer to the Service Manual. You may receive an electric shock if the voltage stored in the capacitors has not been sufficiently discharged.

Place a "Work in progress" sign near the circuit breaker while the installation, maintenance, repair or removal work is being carried out. There is a danger of electric shocks if the circuit breaker is set to ON by mistake.

When checking the electric parts, removing the cover of the electric parts box of Indoor Unit and/or front panel of Outdoor Unit inevitably to determine the failure, put a sign "Do not enter" around the site before the work. Failure to do this may result in third person getting electric shock.

If, in the course of carrying out repairs, it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies, wear insulated heat-resistant gloves, insulated boots and insulated work overalls, and take care to avoid touching any live parts. You may receive an electric shock if you fail to heed this warning. Only qualified service person (∗1) is allowed to do this kind of work.

Before starting to repair the air conditioner, read carefully through the Service Manual, and repair the air conditioner by following its instructions.

Only qualified service person (∗1) is allowed to repair the air conditioner. Repair of the air conditioner by unqualified person may give rise to a fire, electric shocks, injury, water leaks and/or other problems.

General

Only a qualified installer (∗1) or qualified service person (∗1) is allowed to carry out the electrical work of the air conditioner. Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and/or electrical leaks.

– 7 –

General

Electrical wiring work shall be conducted according to law and regulation in the community and Installation manual. Failure to do so may result in electrocution or short circuit.

To connect the electrical wires, repair the electrical parts or undertake other electrical jobs, wear gloves to provide protection for electricians, insulating shoes and clothing to provide protection from electric shocks. Failure to wear this protective gear may result in electric shocks.

Inside the air conditioner are high-voltage areas and rotating parts. Due to the danger of electric shocks or of your fingers or physical objects becoming trapped in the rotating parts, do not remove the electrical control box cover of the indoor unit or service panel of the outdoor unit. When work involving the removal of these parts is required, contact a qualified installer or a qualified service person.

Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws. Use of wiring which does not meet the specifications may give rise to electric shocks, electrical leakage, smoking and/or a fire.

Only a qualified installer (∗1) or qualified service person (∗1) is allowed to undertake work at heights using a stand of 50 cm or more or to remove the electrical control box cover of the indoor unit to undertake work.

When working at heights, use a ladder which complies with the ISO 14122 standard, and follow the procedure in the ladders instructions. Also wear a helmet for use in industry as protective gear to undertake the work.

Before working at heights, put a sign in place so that no-one will approach the work location, before proceeding with the work. Parts and other objects may fall from above, possibly injuring a person below. While carrying out the work, wear a helmet for protection from falling objects.

Before opening the suction board cover, set the circuit breaker to the OFF position. Failure to set the circuit breaker to the OFF position may result in injury through contact with the rotation parts. Only a qualified installer ( do the work required.

∗

1) or qualified service person (∗1) is allowed to remove the suction board cover and

Check earth

wires.

Prohibition of

modification.

Do not touch the aluminum fin of the unit. You may injure yourself if you do so. If the fin must be touched for some reason, first put on protective gloves and safety work clothing, and then proceed.

Use forklift to carry in the air conditioner units and use winch or hoist at installation of them.

When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and 'safety' work clothing.

When transporting the air conditioner, do not take hold of the bands around the packing carton. You may injure yourself if the bands should break.

When the first filter comes out without connected to the other one, insert it once more to connectthe two filters together and pull out them as connected. Do not insert hands to take out the second filter. You may injure Yourself.

This air conditioner has passed the pressure test as specified in IEC 60335-2-40 Annex EE.

Before troubleshooting or repair work, check the earth wire is connected to the earth terminals of the main unit, otherwise an electric shock is caused when a leak occurs.If the earth wire is not correctly connected, contact an electric engineer for rework.

After completing the repair or relocation work, check that the ground wires are connected properly.

Connect earth wire. (Grounding work) Incomplete grounding causes an electric shock. Do not connect ground wires to gas pipes, water pipes, and lightning rods or ground wires for telephone wires.

Do not modify the products.Do not also disassemble or modify the parts. It may cause a fire, electric shock or injury.

Use specified

par ts.

Do not bring a child close to the equipment.

When any of the electrical parts are to be replaced, ensure that the replacement parts satisfy the specifications given in the Service Manual (or use the parts contained on the parts list in the Service Manual). Use of any parts which do not satisfy the required specifications may give rise to electric shocks,smoking and/or a fire.

If, in the course of carrying out repairs, it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies, place "Keep out" signs around the work site before proceeding. Third-party individuals may enter the work site and receive electric shocks if this warning is not heeded.

– 8 –

Insulating

measures

No fire

Refrigerant

Connect the cut-off lead wires with crimp contact, etc, put the closed end side upward and then apply a water-cut method, otherwise a leak or production of fire is caused at the users' side.

When performing repairs using a gas burner, replace the refrigerant with nitrogen gas because the oil that coats the pipes may otherwise burn. When repairing the refrigerating cycle, take the following measures. Be attentive to fire around the cycle.

1) When using a gas stove, etc, be sure to put out fire before work; otherwise the oil mixed with refrigerant gas may catch fire. Do not use a welder in the closed room.

2) When using it without ventilation, carbon monoxide poisoning may be caused. Do not bring inflammables close to the refrigerant cycle, otherwise fire of the welder may catch

3) the inflammables.

The refrigerant used by this air conditioner is the R410A.

Check the used refrigerant name and use tools and materials of the parts which match with it. For the products which use R410A refrigerant, the refrigerant name is indicated at a position on the outdoor unit where is easy to see. To prevent miss-charging, the route of the service port is changed from one of the former R22.

Do not use any refrigerant different from the one specified for complement or replacement. Otherwise, abnormally high pressure may be generated in the refrigeration cycle, which may result in a failure or explosion of the product or an injury to your body.

For an air conditioner which uses R410A, never use other refrigerant than R410A. For an air conditioner which uses other refrigerant (R22, etc.), never use R410A. If different types of refrigerant are mixed, abnormal high pressure generates in the refrigerating cycle and an injury due to breakage may be caused.

Do not charge refrigerant additionally. If charging refrigerant additionally when refrigerant gas leaks, the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury. Therefore if the refrigerant gas leaks, recover the refrigerant in the air conditioner, execute vacuuming, and then newly recharge the specified amount of liquid refrigerant. In this time, never charge the refrigerant over the specified amount.

Assembly/

Cabling

Insulator

check

Ventilation

When recharging the refrigerant in the refrigerating cycle, do not mix the refrigerant or air other than R410A into the specified refrigerant. If air or others is mixed with the refrigerant, abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage.

After installation work, check the refrigerant gas does not leak. If the refrigerant gas leaks in the room, poisonous gas generates when gas touches to fire such as fan heater, stove or cocking stove though the refrigerant gas itself is innocuous.

Never recover the refrigerant into the outdoor unit. When the equipment is moved or repaired, be sure to recover the refrigerant with recovering device. The refrigerant cannot be recovered in the outdoor unit; otherwise a serious accident such as breakage or injury is caused.

After repair work, surely assemble the disassembled parts, and connect and lead the removed wires as before. Perform the work so that the cabinet or panel does not catch the inner wires. If incorrect assembly or incorrect wire connection was done, a disaster such as a leak or fire is caused at user's side.

After the work has finished, be sure to use an insulation tester set (500V Megger) to check the resistance is 1M

Ω or more between the charge section and the non-charge metal section

(Earth position). If the resistance value is low, a disaster such as a leak or electric shock is caused at user's side.

When the refrigerant gas leaks during work, execute ventilation. If the refrigerant gas touches to a fire, poisonous gas generates. A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage of oxygen occurs. Be sure to execute ventilation.

If refrigerant gas has leaked during the installation work, ventilate the room immediately. If the leaked refrigerant gas comes in contact with fire, noxious gas may generate.

– 9 –

Compulsion

Check after

repair

When the refrigerant gas leaks, find up the leaked position and repair it surely. If the leaked position cannot be found up and the repair work is interrupted, pump-down and tighten the service valve, otherwise the refrigerant gas may leak into the room. The poisonous gas generates when gas touches to fire such as fan heater, stove or cocking stove though the refrigerant gas itself is innocuous. When installing equipment which includes a large amount of charged refrigerant such as a multi air conditioner in a sub-room, it is necessary that the density does not the limit even if the refrigerant leaks. If the refrigerant leaks and exceeds the limit density, an accident of shortage of oxygen is caused.

Tighten the flare nut with a torque wrench in the specified manner. Excessive tighten of the flare nut may cause a crack in the flare nut after a long period, which may result in refrigerant leakage.

Nitrogen gas must be used for the airtight test.

The charge hose must be connected in such a way that it is not slack.

For the installation/moving/reinstallation work, follow to the Installation Manual. If an incorrect installation is done, a trouble of the refrigerating cycle, water leak, electric shock or fire is caused.

Once the repair work has been completed, check for refrigerant leaks, and check the insulation resistance and water drainage. Then perform a trial run to check that the air conditioner is running properly.

After repair work has finished, check there is no trouble. If check is not executed, a fire, electric shock or injury may be caused. For a check, turn off the power breaker.

After repair work (installation of front panel and cabinet) has finished, execute a test run to check there is no generation of smoke or abnormal sound. If check is not executed, a fire or an electric shock is caused. Before test run, install the front panel and cabinet.

Do not

operate the

unit with the

valve closed.

Check after

reinstallation

Check the following matters before a test run after repairing piping. Connect the pipes surely and there is no leak of refrigerant. The valve is opened. Running the compressor under condition that the valve closes causes an abnormal high pressure resulted in damage of the parts of the compressor and etc. and moreover if there is leak of refrigerant at connecting section of pipes, the air is suctioned and causes further abnormal high pressure resulted in burst or injury.

Only a qualified installer (∗1) or qualified service person (∗1) is allowed to relocate the air conditioner. It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire, electric shocks, injury, water leakage, noise and/or vibration may result.

Check the following items after reinstallation.

1) The earth wire is correctly connected.

2) The power cord is not caught in the product.

3) There is no inclination or unsteadiness and the installation is stable. If check is not executed, a fire, an electric shock or an injury is caused.

When carrying out the pump-down work shut down the compressor before disconnecting the refrigerant pipe. Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air, etc. to be sucked in, raising the pressure inside the refrigeration cycle to an abnormally high level, and possibly resulting in reputing, injury, etc.

When the service panel of the outdoor unit is to be opened in order for the compressor or the area around this part to be repaired immediately after the air conditioner has been shut down, set the circuit breaker to the OFF position, and then wait at least 10 minutes before opening the service panel. If you fail to heed this warning, you will run the risk of burning yourself because the compressor pipes and other parts will be very hot to the touch. In addition, before proceeding with the repair work, wear the kind of insulated heat-resistant gloves designed to protect electricians.

Cooling check

When the service panel of the outdoor unit is to be opened in order for the fan motor, reactor, inverter or the areas around these parts to be repaired immediately after the air conditioner has been shut down, set the circuit breaker to the OFF position, and then wait at least 10 minutes before opening the service panel. If you fail to heed this warning, you will run the risk of burning yourself because the fan motor, reactor, inverter heat sink and other parts will be very hot to the touch. In addition, before proceeding with the repair work, wear the kind of insulated heat-resistant gloves designed to protect electricians.

– 10 –

Installation

Only a qualified installer or service person is allowed to do installation work. Inappropriate installation may result in water leakage, electric shock or fire.

Before starting to install the air conditioner, read carefully through the Installation Manual, and follow its instructions to install the air conditioner.

If the unit is installed in a small room, take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks. Consult the dealer from whom you purchased the air conditioner when you implement the measures. Accumulation of highly-concentrated refrigerant may cause an oxygen deficiency accident.

Do not install the air conditioner in a location that may be subject to a risk of expire to a combustible gas. If a combustible gas leaks and becomes concentrated around the unit, a fire may occur.

Install the indoor unit at least 2.5 m above the floor level since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the indoor unit while the air conditioner is running.

Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws.

Install the circuit breaker where it can be easily accessed by the agent.

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 mounting the rails, push them until the 3 latches click.

Insert the filters into the direction which the arrows, carved on the filters, show. (2 filters are identical)

– 11 –

Explanations given to user

• If you have discovered that the fan grille is damaged, do not approach the outdoor unit but set the circuit breaker to the OFF position, and contact a qualified service person to have the repairs done. Do not set the circuit breaker to the ON position until the repairs are completed.

Relocation

• Only a qualified installer (∗1) or qualified service person (∗1) is allowed to relocate the air conditioner. It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire, electric shocks, injury, water leakage, noise and/or vibration may result.

• When carrying out the pump-down work shut down the compressor before disconnecting the refrigerant pipe. Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air, etc. to be sucked in, raising the pressure inside the refrigeration cycle to an abnormally high level, and possibly resulting in reputing, injury, etc.

1) Refer to the “Definition of Qualified Installer or Qualified Service Person.”

(

Declaration of Conformity

Manufacturer: Toshiba Carrier Corporation

336 Tadehara, Fuji-shi, Shizuoka-ken 416-8521 JAPAN

uthorized Nick Ball

Representative/TCF holder: Toshiba EMEA Engineering Director

Toshiba Carrier UK Ltd. Porsham Close, Belliver Industrial Estate, PLYMOUTH, Devon, PL6 7DB. United Kingdom

Hereby declares that the machinery described below:

Generic Denomination: Air Conditioner

Model/type: RAV-SM406BT-E RAV-SM406BT-TR

RAV-SM456BT-E RAV-SM456BT-TR RAV-SM566BT-E RAV-SM566BT-TR RAV-SM806BT-E RAV-SM806BT-TR RAV-SM1106BT-E RAV-SM1106BT-TR RAV-SM1406BT-E RAV-SM1406BT-TR RAV-SM1606BT-E RAV-SM1606BT-TR

Commercial name: Digital Inverter Series / Super Digital Inverter Series Air Conditioner

Complies with the provisions of the “Machinery” Directive (Directive 2006/42/EC) and the regulations transposing into national law.

Complies with the provisions of the following harmonized standard:

EN 378-2: 2008 + A1: 2009

Note: This declaration becomes invalid if technical or operational modifications are introduced without the

manufacturer’s consent.

– 12 –

Specifications

Model

RAV-SM406BT-E RAV-SM456BT-E RAV-SM566BT-E RAV-SM806BT-E RAV-SM1106BT-E RAV-SM1406BT-E RAV-SM1606BT-E RAV-SM406BT-TR RAV-SM456BT-TR RAV-SM566BT-TR RAV-SM806BT-TR RAV-SM1106BT-TR

Sound power level (dBA)

Cooling Heating

∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗

Weight (kg)

23 23 23 30 40 40 40 23 23 23 30 40

RAV-SM1406BT-TR RAV-SM1606BT-TR

: Under 70 dBA

∗

∗ ∗

40 40

– 13 –

New Refrigerant (R410A)

This air conditioner adopts a new HFC type refrigerant (R410A) which does not deplete the ozone layer.

1. Safety Caution Concerned to New Refrigerant

The pressure of R410A is high 1.6 times of that of the former refrigerant (R22).

Accompanied with change of refrigerant, the refrigerating oil has been also changed.

Therefore, be sure that water, dust, the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with new refrigerant during installation work or service work.

If an incorrect work or incorrect service is performed, there is a possibility to cause a serious accident.

Use the tools and materials exclusive to R410A to purpose a safe work.

2. Cautions on Installation/Service

1) Do not mix the other refrigerant or refrigerating oil.

For the tools exclusive to R410A, shapes of all the joints including the service port differ from those of the former refrigerant in order to prevent mixture of them.

2) As the use pressure of the new refrigerant is high, use material thickness of the pipe and tools which are specified for R410A.

3) In the installation time, use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water, oxide scales, oil, etc.

Use the clean pipes.

Be sure to brazing with flowing nitrogen gas. (Never use gas other than nitrogen gas.)

4) For the earth protection, use a vacuum pump for air purge.

5) R410A refrigerant is azeotropic mixture type refrigerant.

Therefore use liquid type to charge the refrigerant. (If using gas for charging, composition of the refrigerant changes and then characteristics of the air conditioner change.)

3. Pipe Materials

For the refrigerant pipes, copper pipe and joints are mainly used.

It is necessary to select the most appropriate pipes to conform to the standard.

Use clean material in which impurities adhere inside of pipe or joint to a minimum.

1) Copper pipe

The pipe thickness, flare finishing size, flare nut and others differ according to a refrigerant type.

When using a long copper pipe for R410A, it is recommended to select “Copper or copper-base pipe without seam” and one with bonded oil amount 40mg/10m or less.

Also do not use crushed, deformed, discolored (especially inside) pipes. (Impurities cause clogging of expansion valves and capillary tubes.)

Use the flare nuts which are attached to the air conditioner unit.

2) Joint

The flare joint and socket joint are used for joints of the copper pipe.

The joints are rarely used for installation of the air conditioner.

However clear impurities when using them.

– 14 –

4. Tools

1. Required Tools for R410A

Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types.

1) Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22))

2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22)

3) Tools commonly used for R410A and for conventional refrigerant (R22)

The table below shows the tools exclusive for R410A and their interchangeability.

Tools exclusive for R410A (The following tools for R410A are required.)

Tools whose specifications are changed for R410A and their interchangeability

No.

Used tool

Flare tool

Copper pipe gauge for adjusting projection margin

Torque wrench

Gauge manifold

Charge hose

Vacuum pump adapter

Electronic balance for refrigerant charging

Refrigerant cylinder

Leakage detector

Usage

Pipe flaring

Flaring by conventional flare tool

Tightening of flare nut

Evacuating, refrigerant charge, run check, etc.

Vacuum evacuating

Refrigerant charge

Gas leakage check

air conditioner installation

Existence of

new equipment

for R410A

Ye s ∗ (Note)

Ye s N o

Ye s Ye s

Ye s N o

R410A

Whether conventional

equipment can be used

Conventional air

conditioner installation

Whether

conventional equipment

can be used

Ye s

∗ (Note)

Ye s

(Note) When flaring is carried out for R410A using the conventional flare tools, adjustment of projection

margin is necessary. For this adjustment, a copper pipe gauge, etc. are necessary.

General tools (Conventional tools can be used.)

In addition to the above exclusive tools, the following equipments which serve also for R22 are necessary as the general tools.

1) Vacuum pump. Use vacuum pump by attaching vacuum pump adapter. 7) Screwdriver (+, –)

2) Torque wrench 8) Spanner or Monkey wrench

3) Pipe cutter 9) Hole core drill

4) Reamer 10) Hexagon wrench (Opposite side 4mm)

5) Pipe bender 11) Tape measure

6) Level vial 12) Metal saw

Also prepare the following equipments for other installation method and run check.

1) Clamp meter 3) Insulation resistance tester (Megger)

2) Thermometer 4) Electroscope

– 15 –

1. AIR DUCTING WORK

1-1. Static Pressure Characteristics

SM40, SM45, SM56 type SM80 type

160

140

120

Upper limit of

external static

pressure (120 Pa)

Standard air volume: 800 m³/h

Lower limit of external

static pressure (120 Pa)

100

Low

(120 Pa)

External static pressure (Pa)External static pressure (Pa)

Standard filter pressure loss

380 480 580 680 780 880 980

Air Volume (m³/h)

High (120 Pa)

High (100 Pa)

High (80 Pa)

High (65 Pa)

High (50 Pa)

High (40 Pa)

High (30 Pa)

160

140

120

Upper limit of

external static

pressure (120 Pa)

Standard air volume: 1200 m³/h

Lower limit of external

static pressure (120 Pa)

100

Low

(120 Pa)

External static pressure (Pa)

Standard filter pressure loss

570 770670 970870 11701070 13701270 1470

Air Volume (m³/h)

High (120 Pa)

High (100 Pa)

High (80 Pa)

High (65 Pa)

High (50 Pa)

High (40 Pa)

High (30 Pa)

SM110, SM140, SM160 type

160

140

Upper limit of

external static

pressure (120 Pa)

120

100

1000 1200 1400 1600 1800 2000 2200 2400 2600

Standard air volume: 1200 m³/h

Lower limit of external

static pressure (120 Pa)

Standard filter pressure loss

Air Volume (m³/h)

High (120 Pa)

High (100 Pa)

High (80 Pa)

High (65 Pa)

High (50 Pa)

High (40 Pa)

High (30 Pa)

– 16 –

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)

RAV-SM406BT

RAV-SM1106BT

∗∗

∗ RAV-SM456BT

∗∗

∗

RAV-SM1406BT

∗∗

∗ RAV-SM566BT

∗∗

∗

RAV-SM1606BT

∗∗

∗ RAV-SM806BT

∗∗

∗

∗∗

∗

∗∗

– 17 –

– 18 –

3. WIRING DIAGRAM

– 19 –

4. SPECIFICATIONS OF ELECTRICAL PARTS

Concealed Duct Type

No. Parts name SpecificationsType

1 Fan motor (SM406BT / SM456BT / SM566BT) Output (Rated) 150W, 220-240VICF-340W150-2

2 Fan motor (SM806BT) Output (Rated) 150W, 220-240VICF-340W150-1

3 Fan motor (SM1106BT / SM1406BT / SM1606BT) Output (Rated) 250W, 220-240VICF-340W250-1

4 Thermo. Sensor (TA-sensor) 10kΩ at 25˚C328mm

5 Heat exchanger sensor (TCJ-sensor) 10kΩ at 25˚CØ6mm, 1000mm

6 Heat exchanger sensor (TC-sensor) 10kΩ at 25˚CØ6mm, 1000mm

7 Float switch FS-0218-102

8 Drain pump motor MDP-1401

9 Reactor 14mH, 4ACH-49-Z-T

– 20 –

5. CONTROL BLOCK DIAGRAM

5-1. Indoor Controller Block Diagram

5-1-1. In Case of Connection of Wired (Simple) Remote Controller

Wired (Simple) heder remote controller (Max. 2 units) Schedule remote controller

Indoor unit #1 (Heder)

Drain pump

Indoor

fan motor

DC280V

Display LCD Function setup

Display LED

Remote controller

communication circuit

Indoor control P.C. board (MCC-1631)

Power circuit

DC20V

DC5V

DC12V

TMP88CH47FG

(TMP88PH47FG)

Fan motor

control circuit

Remote controller

communication circuit

CPU

Driver

External output

Run

Alarm

Defrost

Thermo. ON

COOL

HEAT

FAN

Key switch

DC5V

Power circuit

CPU

H8/36109

synchronous

signal input circuit

CN2

CN1

∗3

EEPROM2

EEPROM1

TA sensor

TC sensor

TCJ sensor

Float input

Serial send/

receive circuit

Display LCD LCD driver

CPU

DC5V

Secondary

battery

(Follower)

A B

Same as left

∗2

Powe r circuit

Function setup

Key switch

(Follower)

A B

Same as left

321

∗2

321

∗ “1:1 model” connection interface

Central remote

controller(Option)

communication circuit

(Option)

P.C. board

(MCC-1440)

TCC-LINK

– 21 –

321

Outdoor unit

Up to 8 units are connectable. ∗1 ∗1 However, if “1:1 model connection interface” is

connected when 2 wired (simple) remote controllers are connected, Max. 7 units are connectable.

∗2 Connect “1:1 model connection interface” to only 1 unit and connect 1 “1:1 model connection interface” to the header unit.

∗3 It is unavailable to connect the Schedule remote controller to the simple wired remote controller.

Outdoor unit

5-1-2. In Case of Connection of Wireless Remote Controller

Indoor unit #1 (Heder)

Wireless remote controller

Receiver P.C. board

Display LED

Drain

pump

Indoor

fan motor

DC280V

Receive circuit

Buzzer

DC5V

Powe r circuit

Indoor control P.C. board (MCC-1631)

DC20V

DC5V

DC12V

TMP88CH47FG

(TVP88PH47FG)

Fan motor

Power circuit

control circuit

Remote controller

communication circuit

Remote controller

communication circuit

CPU

Driver

External output

Run

Alarm

Defrost

Thermo. ON

COOL

HEAT

FAN

Function setup SW

Temporary

operation SW

CPU

H8/36109

synchronous

signal input circuit

EEPROM2

EEPROM1

TA sensor

TC sensor

TCJ sensor

Float input

Serial send/

receive circuit

(Follower)

A B

Same as left

∗2

(Follower)

A B

Same as left

321

∗2

321

∗ “1:1 model” connection interface

(MCC-1440)

communication circuit

Central remote

controller (Option)

(Option)

P.C. board

TCC-LINK

– 22 –

321

Outdoor unit

Up to 8 units are connectable. ∗1 ∗1 However, if “1:1 model connection interface” is

connected when 2 wireless remote controllers are connected, Max. 7 units are connectable.

∗2 Connect “1:1 model connection interface” to only 1 unit and connect 1 “1:1 model connection interface” to the header unit.

Outdoor unit

5-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote Controller

Indoor unit #1 (Heder)

Receive

circuit

Buzzer

DC5V

Powe r

circuit

Display LED

CPU

Remote controller

communication circuit

Receiver P.C. board

Function setup SW

Temporary

operation SW

Wired (Simple) heder remote controller

communication circuit

(Max. 2 units)

Display

LCD

Display

LED

Remote controller

ABAB

CPU

Function

setup

Key

switch

DC5V

Powe r

circuit

CN2

CN1

∗3

Schedule remote controllerWireless remote controller

Display

LCD

DC5V

Powe r circuit

LCD

driver

CPU

Function

setup

Key

switch

Secondary

battery

Drain pump

Indoor

fan motor

DC280V

Indoor control P.C. board (MCC-1631)

Power circuit

DC20V

DC5V

DC12V

TVP88CH47FG

(TMP88PH47FG)

control circuit

Remote controller

communication circuit

CPU

Fan motor

Driver

External output

Run

Alarm

Defrost

Thermo. ON

COOL

HEAT

FAN

CPU

H8/36109

synchronous

signal input circuit

321

EEPROM2

EEPROM1

TA sensor

TC sensor

TCJ sensor

Float input

Serial send/

receive circuit

(Follower)

A B

Same as left

∗2

Outdoor unit

(Follower)

A B

Same as left

321

Outdoor unit

∗2

321

∗ “1:1 model” connection interface

(MCC-1440)

Central remote

controller (Option)

communication circuit

(Option)

P.C. board

TCC-LINK

– 23 –

321

Outdoor unit

Up to 8 units are connectable. ∗1 ∗1 However, if “1:1 model connection interface” is

connected, Max. 7 units are connectable. ∗2 Connect “1:1 model connection interface” to only

1 unit and connect 1 “1:1 model connection interface” to the header unit.

∗3 It is unavailable to connect the Schedule remote controller to the simple wired remote controller.

5-2. Control Specifications

No.

When power supply is reset

Operation mode selection

Item

Outline of specifications

1) Distinction of outdoor unit When the power supply is reset, the outdoors are distin-

guished and the control is selected according to the distinguished result.

2) Setting of indoor fan speed and existence of air direction adjustment

Based on EEPROM data, select setting of the indoor fan speed.

1) Based on the operation mode selecting command from the remote controller, the operation mode is selected.

Remote controller

command

STOP

FAN

COOL

DRY

HEAT

AUTO

• COOL/HEAT operation mode is automatically selected by Ta, Ts and To for operation.

• The operation is performed as shown in the following figure according to Ta value at the first time only. (In the range of Ts +

Control outline

Air conditioner stops.

Fan operation

Cooling operation

Dry operation

Heating operation

α –1 < Ta < Ts + α + 1, Cooling

thermo. OFF (Fan)/Setup air volume operation continues.)

Remarks

Fan speed (rpm)

Ta: Room temp. Ts: Setup temp. To: Outside temp.

Room temp. control

Cooling

1.0

Ta˚C Ts +

•

α is corrected according to the outside temperature.

–1.0

Outside temp.

No To

To ≥ 24°C

24°C > To ≥ 18°C

To < 18°C

To error

operation

Cooling thermo. OFF (Fan)

• Setup air volume

Heating operation

Correction value (

–1K

+1K

αα

α)

αα

1) Adjustment range: Remote controller setup temperature ( °C )

Wired type

Wireless type

COOL/DRY

18°C to 29°C

17°C to 30°C

HEAT

18°C to 29°C

17°C to 30°C

K = deg

AUTO

18°C to 29°C

17°C to 30°C

– 24 –

No.

Room temp. control (Continued)

Automatic capacity control

(GA control)

Item

Outline of specifications

2) Using the CODE No. 06, the setup temperature in heating operation can be corrected.

SET DATA

Setup temp.

correction

0246

+0°C +2°C +4°C +6°C

Setting at shipment

SET DATA 2

1) Based on the difference between Ta and Ts, the operation frequency is instructed to the outdoor unit.

2) Cooling operation Every 90 seconds, the room temperature difference

between temperature detected by Ta and Ts and the varied room temperature value are calculated to obtain the correction value of the frequency command and then the present frequency command is corrected.

Ta (n) – Ts (n) : Room temp. difference n : Counts of detection Ta (n-1) – Ts (n) : Varied room temp. value n – 1 :

Counts of detection of 90 seconds before

3) Heating operation Every 1 minute (60 sec.), the room temperature differ-

ence between temperature detected by Ta and Ts and the varied room temperature value are calculated to obtain the correction value of the frequency command and then the present frequency command is corrected.

Ts (n) – Ta (n) : Room temp. difference n : Counts of detection Ta (n) – Ta (n – 1) : Varied room temp. value n – 1 : Counts of detection of 1 minute before

4) Dry operation The frequency correction control is same as those of the

cooling operation. However the maximum frequency is limited to approxi-

mately “S6”.

Note) When LOW is set up, the maximum frequency is

limited to approximately “SB”.

Remarks

Shift of suction temperature in heating operation

Automatic cooling/heating control

1) The judgment of selecting COOL/HEAT is carried out as shown below. When +1.5°C exceeds against Tsh 10 minutes and after thermo. OFF, heating operation (Thermo. OFF) exchanges to cooling operation. Description in the parentheses shows an example of cooling ON/OFF.

Tsc: Setup temp. in

cooling operation

Tsh: Setup temp. in

heating operation + temp. correction of room temp. control

+1.5

–1.5

Cooling

(Cooling ON)

(Cooling OFF)

Heating

Ta ˚C

Tsc or Tsh

When –1.5°C lowers against Tsc 10 minutes and after thermo. OFF, cooling operation (Thermo. OFF) exchanges to heating operation.

2) For the automatic capacity control after judgment of cooling/heating, see Item 4.

3) For temperature correction of room temp. control in automatic heating, see Item 3.

– 25 –

No.

Fan speed control

Item

Outline of specifications

1) Operation with (HH), (H), (L) or [AUTO] mode is carried

out by the command from the remote controller.

2) When the fan speed mode [AUTO] is selected, the fan

speed varies by the difference between Ta and Ts.

<COOL>

Remarks

HH > H+ > H > L+ > L > UL

Ta ˚C

+3.0

+2.5

+2.0

+1.5

+1.0

+0.5

Tsc

–0.5

HH (HH)

H+ (HH)

H (HH)

L+ (H+)

L (H)

L (L+)

• Controlling operation in case when thermostat of remote

controller works is same as a case when thermostat of the body works.

• If the fan speed has been changed once, it is not changed

for 3 minutes. However when the air volume is exchanged, the fan speed changes.

• When cooling operation has started, select a downward

slope for the fan speed, that is, the high position.

• If the temperature is just on the difference boundary, the

fan speed does not change.

• Mode in the parentheses indicates one in automatic

cooling operation.

<HEAT>

Ta ˚ C

(–0.5) –1.0

(0) Tsh

(+0.5) +1.0

(+1.0) +2.0

(+1.5) +3.0

(+2.0) +4.0

L (L+)

L+ (H)

H (H+)

H+ (HH)

HH (HH)

Value in the parentheses indicates one when thermostat of the remote controller works.

Value without parentheses indicates one when thermostat of the body works.

• If the fan speed has been changed once, it is not changed

for 1 minute. However when the fan speed exchanged, the fan speed changes.

• When heating operation has started, select an upward

slope for the fan speed, that is, the high position.

• If the temperature is just on the difference boundary, the

fan speed does not change.

• Mode in the parentheses indicates one in automatic

heating operation.

• In Tc ≥ 60°C, the fan speed increases by 1 step.

Tc: Indoor heat

exchanger sensor temperature

– 26 –

No.

Fan speed control (Continued)

Item

Outline of specifications

HEAT

HH H+

L+

40Pa

0000

OFF/ON

COOL

HH H+

30Pa

0001

ON/OFF

HEAT

COOL

H+

L+

H+

L+

65Pa

0002

—

HEAT

COOL

H+

L+

50Pa

0003

OFF/ON

HEAT

COOL

L+

H+

L+

80Pa

0004

—

HEAT

COOL

H+

L+

CODE No.

[5d]

SW501(1)/(2)

Tap

F1 F2 F3 F4 F5 F6 F7 F8 F9 FA

FB FC FD

3) In heating operation, the mode changes to [UL] if thermostat is turned off.

4) If Ta ≥ 25°C when heating operation has started and when defrost operation has been cleared, the air conditioner operates with (H) mode or higher mode for 1 minute after Tc entered in E zone of cool air discharge preventive control (No. 7).

5) Self-clean operation When performing self-clean operation after stopping the

cooling operation, the mode becomes 310 rpm.

Remarks

HEAT

HH H+

L+

100Pa

0005

—

COOL

HH H+

L+

120Pa

0006

ON/ON

HEAT

HH H+

L+

[Self-clean ] is displayed.

COOL

HH H+

L+

Cool air discharge preventive control

1) In heating operation, the indoor fan is controlled based on the detected temperature of Tc sensor or Tcj sensor. As shown below, the upper limit of the revolution frequency is restricted.

However B zone is assumed as C zone for 6 minutes and after when the compressor activated.

In defrost operation, the control value of Tc is shifted by 6°C.

Tc, Tcj

˚C

20 16

OFF

E zone

D zone

C zone B zone

A zone

In D and E zones, the priority is given to air volume selection setup of remote controller.

In A zone while thermo is ON, [PRE-HEAT (Heating ready)] is displayed.

– 27 –

No.

Freeze preventive control (Low temperature release)

Item

Outline of specifications

1) The cooling operation (including Dry operation) is performed as follows based on the detected temperature of Tc sensor or Tcj sensor.

When [J] zone is detected for 6 minutes (Following figure), the commanded frequency is decreased from the real operation frequency.

After then the commanded frequency changes every 30 seconds while operation is performed in [J] zone.

In [K] zone, time counting is interrupted and the operation is held.

When [ I ] zone is detected, the timer is cleared and the operation returns to the normal operation.

If the commanded frequency becomes S0 because the operation continues in [J] zone, the return temperature A is raised from 5°C to 12°C until [ I ] zone is detected and the indoor fan operates with [L] mode.

˚C

Remarks

Tcj:

Indoor heat exchanger sensor temperature

In heating operation, the freeze-preventive control works if 4-way valve is not exchanged and the following conditions are satisfied. (However the temperature for J zone dashing control is changed from 2°C to –5°C.)

• When

activation.

c d

or d is established 5 minutes after

Tcn ≤ Tc (n – 1) – 5 Tcn < Tc (n – 1) – 1 and Tcn ≤ Ta < 5°C

Tcn:

Tc temperature when 5 minutes elapsed after activation

Tc (n – 1):

Tc temperature at start time

– 28 –

No.

High-temp. release control

Item

Outline of specifications

1) The heating operation is performed as follows based on the detected temperature of Tc sensor or Tcj sensor.

• When [M] zone is detected, the commanded frequency is

decreased from the real operation frequency. After then the commanded frequency changes every 30 seconds while operation is performed in [M] zone.

• In [N] zone, the commanded frequency is held.

• When [L] zone is detected, the commanded frequency is

returned to the original value by approx. 6Hz every 60 seconds.

Remarks

However this control is ignored in case of the follower unit of the twin.

Drain pump control

Setup at shipment

Control temp. °C

56 (54) 52 (52)

Tc, Tcj

˚C

NOTE:

When the operation has started or when Tc or Tcj < 30°C at start of the operation or after operation start, temperature is controlled between values in parentheses of A and B.

1) In cooling operation (including Dry operation), the drain pump is usually operated.

2) If the float switch works while drain pump drives, the compressor stops, the drain pump continues the operation, and a check code is output.

3) If the float switch works while drain pump stops, the compressor stops and the drain pump operates. If the float switch keeps operating for approx. 4 minutes, a check code is output.

Same status as that when “thermostat-OFF” (status that the air conditioner enters in the room temp. monitor mode when the temperature reached the setup temperature on the remote controller)

Check code [P10]

After-heat elimination

When heating operation stops, in some cases, the indoor fan operates with (L) for approx. 30 seconds.

– 29 –

No.

Frequency fixed operation (Test run)

Item

Outline of specifications

1) When pushing [CHK] button for 4 seconds or more, [TEST] is displayed on the display screen and the mode enters in Test run mode.

2) Push [ON/OFF] button.

3) Using [MODE] button, set the mode to [COOL] or [HEAT].

• Do not use other mode than [COOL]/[HEAT] mode.

• During test run operation, the temperature cannot be ad-

justed.

• An error is detected as usual.

• A frequency fixed operation is performed.

4) After the test run, push [ON/OFF] button to stop the operation. (Display in the display part is same as the procedure in Item 1.)

5) Push [CHK] button to clear the test run mode. ([TEST] display in the display part disappears and the status returns to the normal stop status.)

1) When TEMPORARY button is pushed for 10 seconds or more, “Pi!” sound is heard and the operation changes to test run. After approx. 3 minutes, a cooling operation starts forcedly.

Check cool air starts blowing. If the operation does not start, check wiring again.

2) To stop a test operation, push TEMPORARY button once again (Approx. 1 second).

Check wiring / piping of the indoor and outdoor units in test run.

Remarks

Command frequency is approximately [S7]

TEMPORARY button

13 1) The operation time of the indoor fan is calculated, the filter

(Except wireless type)

reset signal is sent to the remote controller when the specified time (2500H) has passed, and it is displayed on LCD.

2) When the filter reset signal has been received from the remote controller, time of the calculation timer is cleared.

In this case, the measurement time is reset if the specified time has passed, and display on LCD disappears.

– 30 –

[FILTER ] goes on.Filter sign display

No.

Central control mode selection

Item

Outline of specifications

1) Setting at the central controller side enables to select the contents which can be operated on the wired remote controller.

2) Setup contents

• In case of TCC-LINK Central remote controller

(TCB-SC642TLE2) [Individual]:

Operated by wired remote controller ([After-push precedence])

[Central 1]: START / STOP operation by wired remote controller is unavailable.

[Central 2]: START / STOP, MODE change and TEMP. setting by wired remote controller are unavailable.

[Central 3]: MODE change and TEMP. setting by wired remote controller are unavailable.

[Central 4]: MODE change by wired remote controller is unavailable.

• In case of the wireless remote controller, the con-

tents to be operated are same though the display lamp does not change. If an item prohibited by the central control mode is operated from the remote controller, it is notified with receiving sound Pi, Pi, Pi, Pi, Pi (5 times)

Remarks

Display at wired remote controller side (No display)

[

] goes on.

[

] goes on.

[

] goes on.

Energy-saving control

Max. frequency cut control

1) Selecting [AUTO] mode enables an energy-saving to be operated.

2) The setup temperature is shifted (corrected) in the range not to lose the comfort ability according to input values of various sensors.

3) Data (Input value room temp. Ta, Outside temp. To, Air volume, Indoor heat exchanger sensor temp. Tc) for 20 minutes are taken the average to calculate correction value of the setup temperature.

4) The setup temperature is shifted every 20 minutes, and the shifted range is as follows.

In cooling time: +1.5 to – 1.0K In heating time: –1.5 to +1.0K.

1) This control is operated by selecting [AUTO] operation mode.

2) COOL operation mode: It is controlled according to the following figure if To < 28°C.

Ta ˚ C

Normal control

3) HEAT operation mode: It is controlled according to the following figure if To > 15°C.

Max. frequency is

Ta ˚ C

Tsh

–3

restricted to approximately the rated heating frequency

Tsc

Max. frequency is restricted to approximately the rated cooling frequency

– 31 –

–4

Normal control

No.

Item

DC motor

Outline of specifications

1) When the fan operation has started, positioning of the stator and the rotor are performed. (Moves slightly with tap sound)

2) The motor operates according to the command from the indoor controller.

Notes)

• When the fan rotates while the air conditioner stops

due to entering of outside air, etc, the air conditioner may operate while the fan motor stops.

• When a fan lock is found, the air conditioner stops, and

an error is displayed.

• If static pressure of the used duct does not match with

the setup value of static pressure, which was decided in the static pressure setting code No. [5D], the air conditioner may stop or an error code may be displayed.

Remarks

Check code [P12]

18 Self-clean

operation (Dry operation)

1) When cooling operation mode (AUTO COOL, COOL, DRY) stopped, the following three self-clean operations are performed.

Compressor

ON period

0 to 10 min.

10 to 60 min.

60 min. to

2) During operation of self-clean, lights on the wired remote controller screen. However the operation lamp (Green LED) goes off.

3) To stop the self-clean operation, push twice the [ON/OFF] button on the remote controller

Self-clean

operation period

None

1 hour

2 hours

FAN

Fan (UL)

Drain pump

STOP

And it is not also on the wireless remote controller.

It is recognized as [STOP] from the remote monitor

side. continuously. (Stop the operation as compressor ON time in the table above: 10 minutes or below.)

4) When the follower unit executes self-clean operation in the group connection, the segment of

is displayed on the wired remote controller screen via master unit.

∗ If self-clean operation is not used, set invalidity

(does not use) of the self-clean operation by changing [0001 (At shipment) of CODE No. (DN) [D3] to [0000].

∗ To erase the

display during operation of self-clean, change CODE No. [D4] from [0000: Display (At shipment)] to [0001: Non-display].

– 32 –

No.

SAVE

Item

Outline of specifications

Remarks

Save operation 1) Turn on

8°C heating/Frost protective operation

button on the remote controller.

2) During operation of save operation,

lights on the

wired remote controller.

3) During save operation, the current release control is performed with the restriction ratio set in EEPROM on the outdoor unit.

4) The restriction ratio can be set by keeping

button

pushed for 4 seconds or more on the remote controller.

5) When validating the save operation, the next operation starts with save operation valid because contents are held even when operation stops, operation mode changes or power supply is reset.

6) The restriction ratio can be set by changing the setup data of CODE No. (DN) [C2] in the range of 50 to 100% (every 1%, Setting at shipment: 75%).

1) This functional is intended for the cold latitudes and performs objective heating operation (8°C heating operation).

2) This function is valid only for combination with the outdoor units.

3) Using the indoor CODE No. [D1] (1 bit), Valid/Invalid of this function is set up at the customer’s side.

∗ The setup by CODE No. is Invalid [0]/Valid [1] and

Invalid [0] has been set at the shipment.

4) This operation is the heating operation which sets 8°C as the setup temperature of the target.

5) This function starts operation by pushing temperature button pushing

during heating operation; besides by

button for 4 seconds or more after

temperature reached the minimum set temperature.

6) To stop/release this operation, select and execute one from the following operations.

Push button:

Heating operation 18°C setting) continues. Push [START/STOP] button:

Air conditioner stops. (Heating 18°C operation at the next start)

Push

MODE

: Other operation mode is selected and the operation continues.

7) As the setup temperature is 8°C and the human heating is not targeted, the cold air discharge preventive control (Item 7) is made invalid to suppress the intermittent operation.

8) The settings of the air direction and air volume are changeable during this operation.

9) The indoor fan stops to protect the compressor for 2 minutes after start of heating operation (Thermo-ON) by this function.

Carry out setting operation during stop of the unit; otherwise the unit stops operation.

For the setup operation, refer to “How to set contents of save operation” in Sction “8. SETUP AT LOCAL SITE AND OTHERS”.

In a group connection, if there is even one combination with other unit, “This function is not provided.” is displayed.

The setup temperature jumps from [18] to [8].

– 33 –

5-3. Indoor Print Circuit Board

<MCC-1631>

– 34 –

Indoor P.C. Board Optional Connector Specifications (MCC-1631)

Function Connector No. Pin No. Specification Remarks

Fan output

CN32

CN61

Optional output

CN60

External error input

CHK Operation check

DISP Display mode CN72

EXCT Demand

CN80

CN71

CN73

1 DC12 V Factory default setting: ON when indoor unit in

Output

Start / stop input Start / stop input for HA (J01: In place / Removed =

1 2

0 V (COM)

Remote controller disabling

input 4 In-operation output ON during operation (HA answerback signal) 5 DC12 V (COM) 6 Alarm output ON while alarm ON 1 DC12 V (COM) 2 Defrosting output ON while outdoor unit defrosted 3 Thermostat ON output ON while real thermostat ON (compressor ON)

Cooling output ON while air conditioner in cooling or related operation 4

Heating output ON while air conditioner in heating operat io n (HEAT or 5

Fan output ON while indoor fan ON (air cleaner in use or via 6

1 DC12 V (COM) Generates test code L30 and automatically shuts down 2 DC12 V (COM) 3 External error input 1 Check mode input Used for indoor operation check (prescribed operational

0 V 2

1 Display mode input Product display mode - Communication just between

0 V

2 1 Demand input Imposes thermostat OFF on indoor unit

0 V

operation and OFF when indoor unit at rest * Fan can be operated on its own by pressing FAN

button on remote controller (DN = 31)

Pulse input (factory default) / Step input)

Enables / disables start / stop control via remote controller

(COOL, DRY or cooling under AUTO mode)

heating under AUTO mode)

interlock wiring)

air conditioner (only if condition persists for 1 minute)

status output, such as indoor fan "H" or drain pump ON, to be generated without communication with outdoor unit or remote controller)

indoor unit and remote controller enable d (upon turning on of power) Timer short-circuited out (always)

– 35 –

6. TROUBLESHOOTING

6-1. Summary of Troubleshooting

1. Before troubleshooting

1) Required tools/instruments

•

and – screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch

• Tester, thermometer, pressure gauge, etc.

2) Confirmation points before check

a) The following operations are normal.

1. Compressor does not operate.

• Is not 3-minutes delay (3 minutes after compressor OFF)?

• Is not the outdoor unit in standby status though the remote controller reached the setup temperature?

• Does not timer operate during fan operation?

• Is not an overflow error detected on the indoor unit?

• Is not outside high-temperature operation controlled in heating operation?

2. Indoor fan does not rotate.

• Does not cool air discharge preventive control work in heating operation?

3. Outdoor fan does not rotate or air volume changes.

• Does not high-temperature release operation control work in heating operation?

• Does not outside low-temperature operation control work in cooling operation?

• Is not defrost operation performed?

4. ON/OFF operation cannot be performed from remote controller.

• Is not automatic address being set up? (When the power is turned on at the first time or when indoor unit address setting is changed, the operation cannot be performed for maximum approx. 5 minutes after power-ON.)

• Is not being carried out a test run by operation of the outdoor P.C. board?

b) Did you return the cabling to the initial positions?

c) Are connecting cables of indoor unit and remote controller correct?

2. Troubleshooting procedure

When a trouble occurred, check the parts along with the following procedure.

Trouble Confirmation of check code display Check defective parts.

→ →

NOTE

For cause of a trouble, power conditions or malfunction/erroneous diagnosis of microcomputer due to outer noise is considered except the items to be checked. If there is any noise source, change the cables of the remote controller to shield cables.

– 36 –

1. Before troubleshooting

1) Required tools/instruments

•+ and – screwdrivers, spanners, radio cutting pliers, nippers, etc.

• Tester, thermometer, pressure gauge, etc.

2) Confirmation points before check

a) The following operations are normal.

1. Compressor does not operate.

• Is not 3-minutes delay (3 minutes after compressor OFF)?

• Is not the outdoor unit in standby status though the remote controller reached the setup temperature?

• Does not timer operate during fan operation?

• Is not an overflow error detected on the indoor unit?

• Is not outside high-temperature operation controlled in heating operation?

2. Indoor fan does not rotate.

• Does not cool air discharge preventive control work in heating operation?

3. Outdoor fan does not rotate or air volume changes.

• Does not high-temperature release operation control work in heating operation?

• Does not outside low-temperature operation control work in cooling operation?

• Is not defrost operation performed?

4. ON/OFF operation cannot be performed from remote controller.

• Is not forced operation performed?

• Is not the control operation performed from outside/remote side?

• Is not automatic address being set up?

• Is not being carried out a test run by operation of the outdoor controller?

b) Did you return the cabling to the initial positions?

c) Are connecting cables between indoor unit and receiving unit correct?

2. Troubleshooting procedure

(When the power is turned on at the first time or when indoor unit address setting is changed, the operation cannot be performed for maximum approx. 5 minutes after power-ON.)

When a trouble occurred, check the parts along with the following procedure.

Trouble

Confirmation of lamp display

→→

(When wireless remote controller is connected)

Check defective position and parts.

– 37 –

Outline of judgment

When one of the following phenomena appears, an error of the power relay (RY01) is considered; therefore replace the P.C. board.

• The operation started from the remote controller.

The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method.

Method to judge the erroneous position by display panel of the indoor unit (lamp display of the wireless receiving part)

The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works.

• The fan stops immediately.

→→→

• The display on the remote controller disappears.

After approx. 1minute 30 seconds, "Under setting" is displayed.

The screen of the remote controller enters in STOP status.

: Go off, : Go on, : Flash (0.5 sec.)

Lamp indication

Operation

No indication at all

Operation

Flash

Operation

Timer Ready

Flash

Timer Ready

Alternate flash

Check code

—

E01

E02

E03

E08

E09

E10

E18

E04

P10

P12

Cause of trouble occurrence

Power supply OFF or miswiring between lamp indication unit and indoor unit

Receiving error

Sending error

Communication stop

Duplicated indoor unit No.

Duplicated master units of remote controller

Communication error between CPUs on indoor unit P.C. board

Wire connection error between indoor units, Indoor power OFF (Communication stop between indoor header and follower)

Miswiring between indoor unit and outdoor unit or connection erorr (Communication stop between indoor and outdoor units)

Overflow was detected.

Indoor DC fan error

⎫ ⎬

Receiving unit

⎭

⎫ ⎪

Miswiring or wire connection error

⎬

between receiving unit and indoor unit

⎪ ⎭

⎫

Setup error

⎬ ⎭

⎫ ⎪ ⎬

Protective device of indoor unit worked.

⎪ ⎭

Operation

Timer Ready

Alternate flash

P03

P04

P05

P07

P15

P19

P20

P22

P26

P29

P31

Outdoor unit discharge temp. error

Outdoor high pressure system error

Negative phase detection error

Heat sink overheat error Outdoor unit error

Gas leak detection error

4-way valve system error (Indoor or outdoor unit judged.)

Outdoor unit high pressure protection

Outdoor unit: Outdoor unit error

Outdoor unit: Inverter Idc operation ∗1

Outdoor unit: Position detection error

Stopped because of error of other indoor unit in a group (Check codes of E03/L03/L07/L08)

⎫

Protective device of

⎬

outdoor unit worked.

⎭

⎫ ⎪ ⎬ ⎪ ⎭

⎫ ⎪

Protective device of

⎬

outdoor unit worked.

⎪ ⎭

∗1

∗1: These are representative examples and the check code differs according to the outdoor unit to be combined.

– 38 –

Lamp indication

Operation

Alternate flash

Operation

Alternate flash

Operation

Timer Ready

Check code

F01

F02

F10

F04

F06

F07

F08

F12

F13

F15

Cause of trouble occurrence

Heat exchanger sensor (TCJ) error

Heat exchanger sensor (TC) error Indoor unit sensor error

Heat exchanger sensor (TA) error

Discharge temp. sensor (TD) error

Temp. sensor (TE) error

Temp. sensor (TL) error

Temp. sensor (TO) error Sensor error of outdoor unit ∗1

Temp. sensor (TS) error

Temp. sensor (TH) error

Temp. Sensor miswiring (TE, TS)

⎫ ⎪ ⎬ ⎪ ⎭

⎫ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎬ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎭

Simultaneous flash

Operation

Timer Ready

Simultaneous flash

Operation

Timer Ready

Flash

Operation

Timer Ready

Simultaneous flash

Operation

Timer Ready

Simultaneous flash

F29

F31

H01

H02

H03

H04

H06

L03

L07

L08

L09

L10

L20

L29

L30

L31

Indoor EEPROM error

Outdoor EEPROM error

Compressor break down

Compressor lock

Current detection circuit error

Case thermostat worked.

⎫ ⎪ ⎪ ⎬

Outdoor compressor system error ∗1

⎪ ⎪ ⎭

Outdoor unit low pressure system error

Duplicated header indoor units

There is indoor unit of group connection → AUTO address in individual indoor unit.

Unsetting of group address

Missed setting (Unset indoor capacity)

Unset model type (Service board)

Duplicated indoor central addresses

Outdoor unit and other error Others

Outside interlock error

Negative phase error

⎫ ⎪ ⎪ ⎬ ⎪

∗ If group construction and

⎪

address are not normal

⎭

when power supply turned on, automatically goes to address setup mode.

⎫ ⎪ ⎪ ⎪ ⎪ ⎬ ⎪ ⎪ ⎪ ⎪ ⎭

∗1: These are representative examples and the check code differs according to the outdoor unit to be combined.

– 39 –

Others (Other than Check Code)

Lamp indication

Operation Timer Ready

Simultaneous flash

Operation Timer Ready

Alternate flash

Check code

—

Cause of trouble occurrence

During test run

Disagreement cool/heat (Automatic cool/heat setting to automatic cool/heat prohibited mode)

– 40 –

continuation

{×{×{×{×{×{×{×{

reset

Automatic Operation

Air conditioner operation

××

{

××

{×{

continuation

——

reset

Automatic Operation

Air conditioner operation

continuation

——

reset

Automatic Operation

Air conditioner operation

——

Explanation of error contents

No communication from remote controller and network adapter

(Also no communication from central control system)

Representative defective position

There is error on serial communication between indoor and outdoor units

Same address as yours was detected.

MCU communication error between main motor and micro computer

Regular communication between indoor master and follower units is impossible.

Open/short was detected on heat exchanger (TCJ).

Open/short was detected on heat exchanger (TC).

Open/short was detected on room temp. sensor (TA).



EEPROM error (Other error may be detected. If no error, automatic address is repeated.

There are multiple master units in a group.

When even one group connection indoor unit exists in individual indoor unit.

Indoor group address is unset.

Capacity of indoor unit is unset.

Duplicated setting of central control system address

Abnormal stop by outside error (CN80) input

An error of indoor AC fan was detected. (Fan motor thermal relay worked.)



Float switch worked.

Indoor DC fan error (Over-current/Lock, etc.) was detected. Static pressure error set

In heating operation, an error was detected by temp. down of indoor heat exchanger sensor.

Follower unit in group cannot operate by warning from [E03/L03/L07/L08] of master unit.

When this warning was detected before group construction/address check finish at power supply was turned on, the mode shifts automatically to AUTO address setup mode.



Explanation of error contents

Signal cannot be received from indoor unit. Master remote controller was not set. (including 2 remote controllers)

Signal cannot be sent to indoor unit.

In 2-remote controller control, both were set as master.

(Indoor master unit stops warning and follower unit continues operation.)

Representative defective position

Explanation of error contents

Signal sending operation of central control system is impossible. There are multiple same central devices. (AI-NET)

Signal receiving operation of central control system is impossible.

Representative defective position

An error on device connected to general-purpose device control interface of exclusive to TCC-LINK/AI-NET

Group follower unit is defective. (For remote controller, above-mentioned [∗∗∗] details are displayed with unit No.)

Regular communication error between indoor and remote controller

Indoor/Outdoor serial error

Duplicated indoor addresses

Communication error between indoor MCU

E03

E04

E08

E10

Remote controller

TCC-LINK central &

6-2. Check Code List (Indoor)

Check code indication

(Indoor unit detected)

Regular communication error between indoor master and follower units

Indoor unit, Heat exchanger (TCJ) error

Indoor unit, Heat exchanger (TC) error

Indoor unit, Room temp. sensor (TA) error

F01

F02

E18

F10

Indoor unit, other indoor P.C. board error

Duplicated setting of indoor group master unit

There is group cable in individual indoor unit.

Unset indoor group address

Unset indoor capacity

L03

L07

L08

F29

L09

Duplicated central control system address

Outside error input to indoor unit (Interlock)

Indoor unit, AC fan error

Indoor unit, overflow detection

Indoor unit, DC fan error

4-way valve system error

L20

L30

P01

P10

P12

P19

– 41 –

Other indoor unit error

P31

Check code indication

(Remote controller detected)

No master remote controller, Remote controller communication (Receive) error

Remote controller communication (Send) error

E01

E02

Remote controller

Central control system communication (send) error

Duplicated master remote controller

E09

Check code indication

(Central control devices detected)

Central control system communication (receive) error

C05

C06

TCC-LINK central

General-purpose device control interface batched warning

C12

Group follower unit is defective.

P30

When remote controller or central controller detects an error, it is not necessarily related to operation of the air conditioner. In this list, the check codes that outdoor unit detects are not described.

NOTE: Even for the same contents of error such as communication error, the display of check code may differ according to detection device.

Check Code List

Error mode detected by indoor unit

Operation of diagnostic function

Check

code

E03

E04

E08

L03

L07

L08

L09

L30

P10

P12

P19

P31

F01

F02

F10

F29

E10

E18

Cause of operation

No communication from remote controller (including wireless) and communication adapter

The serial signal is not output from outdoor unit to indoor unit.

• Miswiring of inter-unit wire

• Defective serial sending circuit on outdoor P.C. board

• Defective serial receiving circuit on indoor P.C. board

Duplicated indoor unit address

Duplicated indoor header unit

There is group wire in individual indoor unit.

Unset indoor group address

Unset indoor capacity

Abnormal input of outside interlock

Float switch operation

• Float circuit, Disconnection, Coming-off, Float switch contact error

Indoor DC fan error

4-way valve system error

• After heating operation has started, indoor heat exchangers temp. is down.

Own unit stops while warning is output to other indoor units.

Coming-off, disconnection or short of indoor heat exchanger temp. sensor (TCJ)

Coming-off, disconnection or short of indoor heat exchanger temp. sensor (TC)

Coming-off, disconnection or short of indoor heat exchanger temp. sensor (TA)

Indoor EEPROM error

• EEPROM access error

Communication error between indoor MCU

• Communication error between fan driving MCU and main MCU

Regular communication error between indoor header and follower units

Status of

air conditioner

(Automatic reset)

(Follower unit)

(Automatic reset)

Stop

Condition

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Judgment and measures

1. Check cables of remote controller and communication adapters.

• Remote controller LCD display OFF (Disconnection)

• Central remote controller [97] check code

1. Outdoor unit does not completely operate.

• Inter-unit wire check, correction of miswiring

• Check outdoor P.C. board. Correct wiring of P.C. board.

2. When outdoor unit normally operates Check P.C. board (Indoor receiving / Outdoor sending).

1. Check whether remote controller connection (Group/Individual) was changed or not after power supply turned on (Finish of group construction/Address check).

* If group construction and address are not normal when the

power has been turned on, the mode automatically shifts to address setup mode. (Resetting of address)

1. Set indoor capacity (DN=11)

1. Check outside devices.

2. Check indoor P.C. board.

1. Trouble of drain pump

2. Clogging of drain pump

3. Check float switch.

4. Check indoor P.C. board.

1. Position detection error

2. Indoor fan driving part over-current protective circuit operation

3. Indoor fan lock

4. Indoor P.C. board check 5. Static pressure error set

1. Check 4-way valve.

2. Check 2-way valve and check valve.

3. Check indoor heat exchanger (TC/TCJ).

4. Check indoor P.C. board.

1. Judge follower unit while master unit is [E03], [L03], [L07] or [L08].

2. Check indoor P.C. board.

1. Check indoor heat exchanger temp. sensor (TCJ).

2. Check indoor P.C. board.

1. Check indoor heat exchanger temp. sensor (TC).

2. Check indoor P.C. board.

1. Check indoor heat exchanger temp. sensor (TA).

2. Check indoor P.C. board.

1. Check indoor EEPROM. (including socket insertion)

2. Check indoor P.C. board.

1. Check indoor P.C. board.

1. Check remote controller wiring.

2. Check indoor power supply wiring.

3. Check indoor P.C. board.

– 42 –

Error mode detected by outdoor unit

The check code has been ramified from the indoor unit of 6 series and after.

The ramified check code is displayed only when the indoor unit is 6 series and after and the outdoor unit is 4 series.

(Ex. Combination of RAV-SM1406BT-E with RAV-SP1404AT-E)

When the outdoor unit is 3 series and before, the conventional check code is displayed.

(Ex. Combination of RAV-SM1406BT-E and RAV-SM1403AT-E: Indoor unit is 6 series.)

Operation of diagnostic function

Check

code

Indoor

unit

F04

F06

F07

F12

F15

F08

F13

F31

L10

L29

P07

P15

P19

H01

H02

Cause of operation

Disconnection, short of discharge temp. sensor (TD)

Disconnection, short of outdoor temp. sensor (TE)

Disconnection, short of outdoor temp. sensor (TL)

Disconnection, short of suction temp. sensor (TS)

Miss-mounting of outdoor temp. sensor (TE, TS)

Disconnection, short of outside temp. sensor (TO)

Disconnection, short of heat sink temp. sensor (TH)

Outdoor P.C. EEPROM error

Unset jumper of service P.C. board

Communication error between outdoor P.C. board MCU

Heat sink overheat error ∗ Heat sink temp. sensor detected over specified

temperature.

Detection of gas leak ∗ Discharge temp. sensor (TD), Suction temp.

sensor (TS) detected temperature over specified temp.

4-way valve inverse error ∗ After heating operation has star ted, indoor

heat exchanger temp. lowers under the specified temp.

∗ After heating operation has started, outdoor

heat exchanger / suction temp. rises over the specified temp.

Compressor break down ∗ Although operation has started, operation

frequency decreases and operation stops.

Compressor lock ∗ Over-current detection after compressor

start-up

Status of

air conditioner

Stop

Continue

Stop

Condition

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

1. Check discharge temp. sensor (TD).

2. Check outdoor P.C. board.

1. Check temp. sensor (TE).

2. Check outdoor P.C. board.

1. Check temp. sensor (TL).

2. Check outdoor P.C. board.

1. Check suction temp. sensor (TS).

2. Check outdoor P.C. board.

1. Check temp. sensor (TE, TS).

2. Check outdoor P.C. board.

1. Check outside temp. sensor (TO).

2. Check outdoor P.C. board.

1. Check outdoor P.C. board. (Q201 is incorporated in TH sensor.)

1. Check outdoor P.C. board.

1. Outdoor service P.C. board Check model type setting jumper wire.

1. Check outdoor P.C. board

2. Connection check for each P.C. board.

1. Check screw tightening between PC. Board and heat sink and check radiator grease.

2. Check heat sink blast path.

1. Check gas leak, recharge

2. Check full open of service valve.

3. Check PMV (Pulse Motor Valve).

4. Check broken pipe.

5. Check discharge temp. sensor (TD), suction temp. sensor (TS).

1. Check operation of 4-way valve.

2. Check outdoor heat exchanger (TE), suction temp. sensor (TS).

3. Check indoor heat exchanger sensor (TC).

4. Check 4-way valve coil.

5. Check PMV (Pulse Motor Valve).

1. Check power supply voltage.

2. Overload operation of refrigerating cycle

1. Trouble of compressor (Lock, etc.): Replace compressor.

2. Wiring error of compressor (Open phase)

Judgment and measures

– 43 –

Check

code

Indoor

unit

H03

P05

F23

H06

P03

H04

P04

P05

P20

P22

P26

P29

Operation of diagnostic function

Cause of operation

Current detection circuit error

Open phase of 3-phase power supply

Ps sensor error

Low pressure protective operation

Discharge temp. error ∗ Discharge temp. (TD) over specified value

was detected.(1.6)

Case thermostat operation ∗ Abnormal overheat of compressor

High pressure SW system error

Power supply voltage error

High pressure protective operation

• During cooling operation, outdoor temp. sensor (TL) detected temperature over specified temp.

• During heating operation, indoor temp. sensor (TC, TCJ) detected temperature over specified temp.

Outdoor fan system error

Short-circuit error of compressor driving element

Position detection circuit error

Status of

air conditioner

Stop

Condition

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Displayed when

error is detected

Judgment and measures

1. Check outdoor P.C. board. (AC current detection circuit)

1. Check open phase of 3-phase power supply.

2. Black lead wire to be connected to CN03 of outdoor P. C. board does not pass through T611.

1. Check connection of Ps sensor connector.

2. Check failure of Ps sensor.

3. Check compressing power error of compressor.

4. Check 4-way valve error.

5. Check outdoor P.C. board error.

1. Check service valves are fully opened. (Gas side, Liquid side)

2. Check clogging of outdoor PMV. (PMV1, 2)

3. Check SV2 circuit.

4. Check Ps sensor error.

5. Check clogging of indoor filter.

6. Check clogging of refrigerant pipe.

7. Check of outdoor fan operation. (In heating mode)

8. Check short of refrigerant.

1. Check refrigerating cycle (Gas leak)

2. Trouble of electronic expansion valve

3. Check discharge temp. sensor (TD).

1. Check case thermostat and connector.

2. Check gas leak, recharge

3. Check full open of service valve.

4. Check PMV (Pulse Motor Valve).

5. Check broken pipe.

1. Check service valves are fully opened. (Gas side, Liquid side)

2. Check of outdoor fan operation.

3. Check motor error of outdoor fan.

4. Check clogging of outdoor PMV. (PMV1, 2)

5. Check clogging of heat exchanger in indoor/outdoor units.

6. Short-circuit status of suction/discharge air in outdoor unit.

7. Check outdoor P.C. board error.

8. Check fan system error (Cause of air volume drop) at indoor side.

9. Check PMV opening status in indoor unit.

1. Check power supply voltage.

1. Check outdoor heat exchanger sensor (TL).

2. Check indoor heat exchanger sensor (TC, TCJ).

3. Check full open of service valve.

4. Check indoor/outdoor fan.

5. Check PMV (Pulse Motor Valve).

6. Check clogging and short circuit of indoor/outdoor heat exchanger.

7. Overcharge of refrigerant. Recharge

1. Check lock of fan motor.

2. Check power supply voltage between L2 and N.

3. Check outdoor P.C. board.

1. When performing operation while taking-off compressor wire, P26 error occurs. Check control P.C. board.

2. When performing operation while taking-off compressor wire, an error does not occur. (Compressor rare short)

1. Check control P.C. board.

– 44 –

Error mode detected by remote controller or central controller (TCC-LINK)

Operation of diagnostic function

Check code

Not displayed at all (Operation on remote controller is impossible.)

E01

∗2

Cause of operation

No communication with master indoor unit

• Remote controller wiring is not correct.

• Power of indoor unit is not turned on.

• Automatic address cannot be completed.

No communication with master indoor unit

• Disconnection of inter-unit wire between remote controller and master indoor unit (Detected by remote controller side)

Status of

air conditioner

Stop

(Automatic reset)

∗ If center exists,

operation continues.

Condition

—

Displayed when error is detected

Power supply error of remote controller, Indoor EEPROM error

1. Check remote controller inter-unit wiring.

2. Check remote controller.

3. Check indoor power wiring.

4. Check indoor P.C. board.

5. Check indoor EEPROM.

Receiving error from remote controller

1. Check remote controller inter-unit wiring.

2. Check remote controller.

3. Check indoor power wiring.

4. Check indoor P.C. board.

Judgment and measures

(including socket insertion) → Automatic address repeating phenom-

enon generates.

Sending error of remote controller

1. Check sending circuit inside of remote controller.

→ Replace remote controller.

1. In 2-remote controllers (including wireless), there are multiple main units.

Check that there are 1 main remote controller and other sub remote controllers.

1. Check setting of central control system network address. (Network adapter SW01)

2. Check network adapter P.C. board.

1. Check communication wire / miswiring

2. Check communication (U3, U4 terminals)

3. Check network adapter P.C. board.

4. Check central controller (such as central control remote controller, etc.)

5. Check terminal resistance. (TCC-LINK)

Check the check code of the corresponding unit from remote controller.

E02

E09

L20

Central controller

L20

— ∗3

Central controller

(Send)

C05

(Receive)

C06

—

Central controller

P30

Signal send error to indoor unit (Detected by remote controller side)

There are multiple main remote controllers. (Detected by remote controller side)

Duplicated indoor central addresses on communication of central control system (Detected by indoor/central controller side)

Communication circuit error of central control system (Detected by central controller side)

Indoor Gr sub unit error (Detected by central controller side)

Stop

(Automatic reset)

∗ If center exists,

operation continues.

Stop

(Sub unit

continues operation.)

Stop

(Automatic reset)

Continues

(By remote controller)

Continuation/Stop

(According

to each case)

Displayed when error is detected

∗2 The check code cannot be displayed by the wired remote controller.

(Usual operation of air conditioner becomes unavailable.)

For the wireless models, an error is notified with indication lamp.

∗3 This trouble is related to communication of remote controller (A, B), central system (TCC-LINK U3, U4),

and [E01], [E02], [E03], [E09] or [E18] is displayed or no check display on the remote controller according to the contents.

– 45 –

6-3. Diagnostic Procedure for Each Check Code (Indoor Unit)

Check code

[E01 error]

Is inter-unit cable of A and B normal?

YES

Is there no disconnection or

contact error of connector on harness

from terminal block of indoor unit?

Is group control operation?

YES

Is power of all indoor units turned on?

YES

Is power supplied to remote controller?

AB terminal: Approx. DC18V

YES

Correct inter-unit cable

of remote controller

Correct connection of connector.

Check circuit wiring.

Check power connection of indoor unit.

(Turn on power again.)

Check indoor P.C. board (MCC-1631).

Defect → Replace

[E09 error]

Are 2 remote controllers set

without header unit?

Are 2 header units set in

2 remote controllers?

YES

Correct a header unit/a follower unit.

(Remote controller address connector)

Check remote controller P.C. board.

Defect → Replace

Correct as a header unit

and a follower unit.

Check remote controller P.C. board.

Defect → Replace

– 46 –

[E04 error]

Does outdoor operate?

YES

Is group address setup of

remote controller correct?

YES

Are wiring in indoor unit and

1, 2, 3 inter-unit cables correct?

YES

Are wirings of terminal blocks

(1, 2, 3) wired to CN67 normal?

YES

Does the voltage

between 2 and 3 of the indoor unit

inter-unit terminal blocks

(1, 2, 3) vary?

∗ As shown in the following figure, carry out measurement within 20 seconds after the power was turned on.

Black

White

Terminal block

Check CODE No. [14].

Correct wiring and

inter-unit cables.

Correct wiring of connector

and terminal blocks.

Check indoor P.C. board

(MCC-1631).

Defect → Replace

S5277G

Check indoor P.C. board.

Defect → Replace

[E10 error]

Is there no disorder of power supply?

Check indoor control P.C. board

(MCC-1631).

Defect → Replace

Check outdoor P.C. board.

Defect → Replace

YES

Check power supply voltage.

Correct lines.

Check and eliminate noise, etc.

– 47 –

[E18 error]

Is inter-unit cable

of A and B normal?

YES

Is there no disconnection

or contact error of connector

on harness from terminal block

of indoor unit?

Is group control operation?

YES

Is power of all indoor units turned on?

YES

Is connection twin-triple connection?

YES

Correct inter-unit cable

of remote controller.

Correct connection of connector.

Check circuit wiring.

Check power

connection status of indoor unit

(Connect again).

Is there no contact error

of indoor/outdoor inter-unit wire

YES

Correct indoor/outdoor inter-unit wire

(Serial signal line).

Check indoor P.C. board

(MCC-1631).

Defect → Replace

[E08, L03, L07, L08 error]

E08: Duplicated indoor unit No.

L03: There are 2 or more header units in a group control.

L07: There is 1 or more group address [Individual] in a group control.

L08: The indoor group address is unset. (99)

If the above error is detected when power supply turned on, the mode enters automatically in the automatic address set mode. (Check code is not output.)

However, if the above error is detected during the automatic address set mode, a check code may be output.

[L09 error]

Is not yet capacity setting

of indoor unit set up?

YES

Set capacity data of indoor unit.

(Setup CODE No. (DN)=11)

Check indoor P.C. board (MCC-1631).

Defect → Replace

– 48 –

[L20 error]

Are wiring connections to communication lines

U3 and U4 normal?

YES

Is not the multiple same central

control system addresses connected?

Check central controller

(including 1:1 model connection interface)

and indoor P.C. board (MCC-1631).

Defect → Replace

[L30 error]

Are outside devices of

connector CN80 connected?

YES

Correct wiring connection.

Correct central control system address.

Check indoor P.C. board (MCC-1631).

Defect → Replace

YES

Do outside devices normally work?

YES

Check cause of operation.

[P30 error] (Central controller)

Is group operation carried out?

YES

Is there check code on remote controller in the follower remote controller?

Check outside devices.

Defect → Replace

YES

Check corresponding

indoor unit/outdoor unit.

Check indoor P.C. board (MCC-1631).

Defect → Replace

– 49 –

[P10 error]

Is connection of

float switch connector

(Indoor control board CN34)

normal?

YES

Does float switch work?

YES

Does drain pump work?

YES

Check the drain pipe, etc.

Is power of

drain pump turned on? ∗

YES

Check and correct wiring

Is circuit wiring normal?

and wire circuit.

NO NO

Are connector pins 1 and 2

at drain pump unit side shorted

(Resistance value 0)?

Replace drain pump

and indoor P.C. board

YES

(MCC-1631).

Correct connection

of connector.

Replace drain pump.

Check wiring.

Check indoor P.C. board

(MCC-1631).

Defect → Replace

∗ Check that voltage of 1 – 2 pin of CN504 on the indoor P.C. board is Approx., 12V.

[F10 error]

Is connection of TAsensor connector

(indoor P.C. board CN104) nornal?

YES

Are characteristics of TA sensor resistance value normal? Replace TA sensor.

YES

∗ Refer to Characteristics-1.

Connect connector

of connector.

Check indoor P.C. board (MCC-1631).

Defective → Replace

– 50 –

[P12 error]

Turn off the power.

Is the static pressure setting correct?

YES

Is the capacity setting correct?

YES

Are not there connections errors or

disconnection on connectors CN333 and CN334

of indoor unit P.C. board (MCC-1631)?

Remove connectors CN333 and

CN334 of indoor unit P.C. board

(MCC-1631).

Does the fan rotate without trouble when handling the fan with hands?

YES

Are resistance values between phases

at fan motor connector CN333 motor side of

indoor P.C. board (MCC-1631) correct? *1

YES

Correct setting of the static pressure.

Change cappacity setting.

YES

Correct connection of connector.

Replace indoor fan motor.

• Are not coil windings between between

(Black lead) and (Red lead) opened or shorted?

3 5

(White lead) and (Black lead), between

1 3

(Red lead) and (White lead),

→ For resistance, see the winding Resistance of Fan Motor. (Page 57)

Is resistance value of fan motor connector

CN333 at motor side of indoor P.C. board

(MCC-1631) correct? *2

YES

Is signal output of indoor fan motor

position detection correct? *3

YES

Check indoor P.C. board

(MCC-1631).

Defect → Replace

Check resistance of fan motor position detection circuit. Is not coil winding between (Yellow lead) and (Pink lead)

Replace indoor fan motor.

opened or shorted? → Resistance: Approx. 5 to 20kΩ

Check fan motor position detection signal.

• Using a tester, measure the voltage between CN334 and of

Replace indoor fan motor.

1 5

indoor P.C. board (MCC-1631) under condition that CN333 and CN334 are mounted and the power is turned on. → Rotate the fan slowly with hands, and check the pin voltage swings between 0 to 5V voltage.

• Between and : 5V

4 5

CN333

CN334

– 51 –

[P19 error]

Is operation of 4-way valve normal?

(Check the pipe temp., etc.

during cooling/heating operation.

YES

Check temperature sensors.

TE sensor TS sensor

Indoor TC sensor

Defective → Correct, replace

Are 1.3 to 1.6kΩ applied to

resistance value of 4-way valve coil ?

YES

Check outdoor P.C. board operation.

(See the following description.)

Check 4-way valve.

Defective → Replace

Replace 4-way valve coil.

Defective

Check outdoor P.C. board.

Defective → Replace

Operation check direction of the outdoor P.C. board (In case of self-preservation valve)

1) Set the Dip switch SW804 as same as the following table and push SW801 for approx. 1 second. It enables you to check the exchange operation to cooling cycle or heating cycle.

• Only for approx. 10 seconds, the power is turned on.

• As the heat value of part (coil: resistance R700) is large, when checking the operation continuously, wait 1

minute or more until the next check. (There is no problem if a coil is not connected.)

2) After check, turn off all the Dip switches SW804.

Exchange to cooling cycle Exchange to heating cycle

SW804 SW8011CN701

4321

Push

DC180V or more

SW804 SW801 CN701

4321

Push

DC180V or more

Check by tester

Analog tester: Good article if over DC180V

Digital tester: Although in some cases, the value varied and indicated. If the maximum value is DC180V or more, it is good article.

– 52 –

[F02 error]

Is connection of TC sensor connector

(CN101 on Indoor P.C. board) correct?

YES

Are characteristics of

TC sensor resistance value normal?

YES

Check indoor P.C. board (MCC-1631).

Defect → Replace

[F01 error]

Is connection of TCJ sensor connector (CN102 on Indoor P.C. board) correct?

Correct connection of connector.

Replace TC sensor.

∗ Refer to Charqacteristics-2.

Correct connection of connector.

YES

Are characteristics of

TCJ sensor resistance value normal?

YES

∗ Refer to Charqacteristics-2.

Check indoor P.C. board (MCC-1631).

Defect → Replace

Replace TCJ sensor.

– 53 –

[C06 error] (1:1 model connection interface)

Are U3 and U4 communication lines normal? Correct communication line.

YES

∗1

Is connection of connector normal?

YES

Are A and B communication lines normal?

YES

Is there no connection error of power supply cable?

Is not the source power supply turned on?

∗1

In case of 1:1 model connection interface 1:1 model connection interface (MCC-1440) CN51 and indoor P.C. board CN050.

YES

Correct connection of connector.

Check connection of A and B terminal blocks.

Correct communication line of remote controller.

Correct power wiring.

Turn on the source power supply.

YES

Did a power failure occur?

Is the network address changed

from the wired remote controller?

Is there no noise source?

Can the other indoor units be normally controlled from the central controller? Or is the operation status of indoor unit reflected?

YES

Can the indoor unit be normally controlled

from the wired remote controller?

YES

Uncontrolled

(Same to others)

Uncontrolled

Clear the check code.

Eliminate noise, etc.

Check central controller.

Defect → Replace

Check indoor P.C. board (MCC-1631).

Defect → Replace

YES

Check the power supply transformer of

1:1 model connection interface (MCC-1440).

Defective → Replace

– 54 –

[E03 error] (Master indoor unit)

[E03 error] is detected when the indoor unit cannot receive a signal from the wired remote controller (also central controller).

Check A and B remote controllers and communication lines of the central control system U3 and U4.

As communication is impossible, this check code [E03] is not displayed on the wired remote controller and the central controller.

[E01] is displayed on the wired remote controller and [C06 error] is displayed on the central controller.

If these check codes generate during operation, the air conditioner stops.

[F29 error]

This check code indicates a detection error of IC503 non-volatile memory (EEPROM) on the indoor unit P.C. board, which generated during operation of the air conditioner. Replace the service P.C. board.

∗ When EEPROM was not inserted when power supply turned on or when the EEPROM data read/write

operation is impossible at all, the automatic address mode is repeated. In this time, [97 error] is displayed on the central controller.

(Power ON)

(Approx.

3 minutes)

[SET] is displayed on

wired remote controller.

(Approx.

1 minute)

[SETTING]

goes off.

(Repetition)

LED (D501) on indoor unit

P.C. board flashes with

1Hz for approx. 10 seconds.

Reboot (Reset)

[P31 error] (Follower indoor unit)

When the master unit of a group operation detected [E03], [L03], [L07] or [L08] error, the follower unit of the group operation detects [P31 error] and then the unit stops.

There is no display of the check code or alarm history of the wired remote controller. (In this model, the mode enters in automatic address set mode when the header unit detected [L03], [L07] or [L08] error.)

– 55 –

Temperature – Resistance value characteristic table

TA, TC, TCJ, TE, TS, TO sensor

Representative value

Temperature

(°C)

100

(Minimum (Standard (Maximum

value) value) value)

32.33 33.80 35.30

19.63 20.35 21.09

12.23 12.59 12.95

9.75 10.00 10.25

7.764 7.990 8.218

5.013 5.192 5.375

3.312 3.451 3.594

2.236 2.343 2.454

1.540 1.623 1.709

1.082 1.146 1.213

0.7740 0.8237 0.8761

0.5634 0.6023 0.6434

Resistance value (k

ΩΩ

Ω)

ΩΩ

TD, TL sensor

Representative value

Temperature

(°C)

100

(Minimum (Standard (Maximum

value) value) value)

150.5 161.3 172.7

92.76 99.05 105.6

58.61 62.36 66.26

47.01 49.93 52.97

37.93 40.22 42.59

25.12 26.55 28.03

17.00 17.92 18.86

11.74 12.34 12.95

8.269 8.668 9.074

5.925 6.195 6.470

4.321 4.507 4.696

3.205 3.336 3.468

Resistance value (k

ΩΩ

Ω)

ΩΩ

TA, TC, TCJ, TE, TS, TO sensor

Resistance (kΩ)

10 20 30 40 50 60 70 80 90 100

Temperature (˚C)

TD, TL sensor

200

150

100

Resistance (kΩ)

10 20 30 40 50 60 70 80 90 100

Temperature (˚C)

– 56 –

Winding Resistance of Fan Motor

Part name Checking procedure

Concealed Duct type Fan motor

ICF-340W150-2 (RAV-SM406BT

RAV-SM456BT RAV-SM566BT

ICF-340W150-1 (RAV-SM806BT ∗)

ICF-340W250-1 (RAV-SM1106BT

RAV-SM1406BT RAV-SM1606BT

∗

)

∗

)

∗

Measure the resistance value of each winding by using the tester.

ICF-340W150-1, 2

Position

Black – Red

Fan motor inside wiring diagram

Red

White

2 3

Black

4 5

Black – White

Red – White

ICF-340W250-1

Position

Black – Red

Black – White

Red – White

Resistance value

14.8 ± 1.5

Resistance value

12.4 ± 1.2

Under 20°C

– 57 –

7-1. Indoort Unit

CAUTION

7. REPLACEMENT OF SERVICE P.C. BOARD

<Model : RAV-SM

For the above models, set the CODE No. to “

∗∗∗∗∗∗

∗∗∗BT-E(TR)>

∗∗∗∗∗∗

CE CE

” and the setting data 0000 (initial) to “0001”

CE CE

<Note: when replacing the P.C. board for indoor unit servicing>

The nonvolatile memory (hereafter called EEPROM, IC503) on the indoor unit P.C. board before replacement includes the model specific type information and capacity codes as the factory-set value and the important setting data which have been automatically or manually set when the indoor unit is installed, such as system/ indoor/group addresses, external static pressure select setting, etc.

When replacing the P.C. board for indoor unit servicing, follow the procedures below.

After replacement completes, confirm whether the settings are correct by checking the indoor unit No., Group header unit/follower unit settings and perform the cooling cycle confirmation through the trial operation.

CASE 1

Before replacement, the indoor unit can be turned on and the setting data can be read out by wired remote control operation.

EEPROM data read out [1]

Replacement of P.C. board for Indoor unit servicing and power on [2]

Writing the read out EEPROM data [3]

Power reset

(for all indoor units connected to the remote control when the group operation control is performed.)

CASE 2

The EEPROM before replacement is defective and the setting data cannot be read out.

EEPROM data read out [2]

Writing the setting data to EEPROM, such as high ceiling installation setting and

optional connection setting, etc., based on the customer information. [3]

Power reset

(for all indoor units connected to the remote control when the group operation control is performed.)

– 58 –

[1] Setting data read out from EEPROM

The setting data modified on the site, other than factory-set value, stored in the EEPROM shall be read out.

Step 1 Push

Step 2 Every time when the

Step 3 After writing down all setting data, push

SET, CL

∗ When the group operation control is performed, the unit No. displayed for the first time is the header unit No.

At this time, the CODE No. (DN) shows “ and the swing operation also starts if it has the louvers.

order. Specify the indoor unit No. to be replaced.

1. Change the CODE No. (DN) to setting. (this is the setting for the filter sign lighting time.)

At this time, be sure to write down the setting data displayed.

2. Change the CODE No. (DN) by pushing Similarly, be sure to write down the setting data displayed.

3. Repeat the step 2-2 to set the other settings in the same way and write down the setting data as shown in the table 1 (example).

∗ The CODE No. (DN) are ranged from “

(It takes approx. 1 min until the remote controller operation is available again.)

CODE No. required at least

Contents

Type

Indoor unit capacity

System address

Indoor unit address

Group address

External static pressure.

and

TEST

button on the remote controller simultaneously for more than 4 seconds.

1010

”. Also, the fan of the indoor unit selected starts its operation

1010

UNIT LOUVER

button is pushed, the indoor unit No. under the group control is displayed in

10 10

01 01

10 10

1. The CODE No. for the Indoor unit type and Indoor unit capacity are required to set the rotation number setting of the fan.

2. If the system/indoor/group addresses are different from those before replacement, the auto-address setting mode starts and the manual resetting may be required again. (when the multiple units group operation including twin system.)

→

by pushing / buttons for the temperature

01 01

/ buttons for the temperature setting.

01 01

TEST

button to return to the normal stop status.

” to “

FF FF

”. The CODE No. (DN) may skip.

FF FF

[2] P.C. Board for indoor unit servicing replacement procedures

Step 1 Replace the P.C. board to the P.C. board for indoor unit servicing.

At this time, perform the same setting of the jumper wire (J01) setting (cut), switch SW501, (short-circuit) connector CN34 as the setting of the P.C. board before replacement.

Step 2 According to the system configuration, turn on the indoor unit following to the either methods shown below.

a) Single operation (Indoor unit is used as standalone.)

Turn on the indoor unit.

1. After completion of the auto-address setting mode (required time: approx. 5 min.), proceed to [3]. (System address = 1, Indoor unit address = 1, Group address = 0 (standalone) are automatically set.)

2. Push

b) Group operation (including twin system)

Turn on the indoor unit(s) with its P.C. board replaced to the P.C. board for indoor unit servicing, according to either methods 1 or 2 shown below.

1. Turn on only the indoor unit with its P.C. board replaced. (Be sure to confirm the remote controller is

2. Turn on the multiple indoor units including the indoor unit with its P.C. board replaced.

After completion of the auto-address setting mode (required time: approx. 5 min.), proceed to [3]. ∗ The header unit of the group may be changed by performing the auto-address setting.

Also, the system address/Indoor unit address of the indoor unit with its P.C. board replaced may be assigned to the addresses (not used) other than those of the indoor units without its P.C. board replaced. It is recommended to keep the information in advance, which cooling system the indoor unit belongs to or whether the indoor unit works as the header unit or the follower unit in the group control operation.

SET, CL

setting mode, and proceed to [3]. (The unit No. “

surely connected. If not, the operation [3] cannot be performed.) Perform either methods 1 or 2 described in item a) above.

• Twin 1 system only

• All group connections

and

TEST

buttons simultaneously for more than 4 seconds to interrupt the auto-address

” is displayed.)

– 59 –

[3] Writing the setting data to EEPROM

The settings stored in the EEPROM of the P.C. board for indoor unit servicing are the factory-set values.

Step 1 Push

Step 2 Every time when

Step 3 Select the CODE No. (DN) can be selected by pushing the

SET, CL

∗ In the group control operation, the unit No. displayed for the first time is the header unit No.

At this time, the CODE No. (DN) shows “ and the swing operation starts if it has the louvers. (The unit No. “

in order. (The settings stored in the EEPROM of the P.C. board for indoor unit servicing are the factory-set values.)

Specify the indoor unit No. with its P.C. board replaced to the P.C. board for indoor unit servicing. (You cannot perform this operation if “

• Set the indoor unit type and capacity. The factory-set values shall be written to the EEPROM by changing the type and capacity.

1. Set the CODE No. (DN) to “

2. Select the type by pushing

(For example, Concealed Duct standard type is set to “ Refer to table 2)

3. Push

4. Change the CODE No. (DN) to “

5. Select the capacity by pushing

6. Push

SET

(The operation completes if the setting data is displayed.)

buttons for the temperature setting.

(For example, 80 Type is set to “

SET

(The setting completes if the setting data are displayed.)

and

button.

TEST

buttons on the remote controller simultaneously for more than 4 seconds.

10 10

”. Also, the fan of the indoor unit selected starts its operation

10 10

” is displayed if the auto-address setting mode is interrupted in [2] step 2 a)

UNIT LOUVER

button is pushed, the indoor unit No. in the group control operation are displayed

” is displayed.)

/ button for the temperature setting.

<Fig. 1 RBC-AMT32E>

10 10

”. (without change)

10 10

/ buttons for the timer setting.

0004

”.

11 11

” by pushing /

11 11

/ buttons for the timer setting.

0012

”. Refer to table 3)

3651 42

3- 3

NOTE: Setting Concealed Duct standard type Indoor Unit model only

7. Using the set temperature / buttons, set “

8. Using the timer time

SET

9. Push

buttons. ( The setting completes if the setting data are displayed.)

/ buttons, set the data. (0001)

CAUTION

Don’t remove the materials. No materials. The power I.C. (IC101) may break.

” to the CODE No. (DN).

<Fig. 2>

TEST

10. Push the

(It takes approx. 1 min until the remote controller operation is available again.)

button to return to the normal stop status.

– 60 –

Step 4 Write the on-site setting data to the EEPROM, such as address setting, etc. Perform the steps 1 and 2

above again.

01 01

Step 5 Change the CODE No. (DN) to “

(this is the setting for the filter sign lighting time.)

Step 6 Check the setting data displayed at this time with the setting data put down in [1].

1. If the setting data is different, modify the setting data by pushing

the data put down in [1]. The operation completes if the setting data is displayed.

2. If the data is the same, proceed to next step.

Step 7 Change the CODE No. (DN) by pushing / buttons for the temperature setting.

As described above, check the setting data and modify to the data put down in [1].

Step 8 Repeat the steps 6 and 7.

Step 9 After the setting completes, push

(It takes approx. 1 min until the remote control operation is available again.) ∗ The CODE No. (DN) are ranged from “

Even after modifying the data wrongly and pushing modification by pushing

” by pushing / buttons for the temperature setting.

01 01

/ buttons for the timer setting to

TEST

button to return to the normal stop status.

01 01

button if the CODE No. (DN) is not changed.

” to “

FF FF

”. The CODE No. (DN) is not limited to be serial No.

FF FF

SET

button, it is possible to return to the data before

<Fig. 3 EEPROM layout diagram>

The EEPROM (IC503) is attached to the IC socket. When detaching the EEPROM, use a tweezers, etc. Be sure to attach the EEPROM by fitting its direction as shown in the figure.

∗ Do not bend the IC lead when replacing.

<Fig. 3>

– 61 –

Table 1

Filter sign lighting time

Filter pollution level

Central control address

Heating suction temperature shift

Cooling only

Type

Indoor unit capacity

System address

Indoor unit address

Group address

Temperature range of cooling/heating

automatic SW control point

Auto restart after power failure

Thermo output SW (T10 )

Ventilation fan (standalone)

Item



Setting data

Factory-set value

Depending on Type

0000: standard

0099: Not determined

0002: +2°C

0000: Heat pump

Depending on model type

Depending on capacity type

0099: Not determined

0003: 3 deg (Ts ± 1.5)

0000: None

0000: Thermo ON

0000: Not available

Sensor select (Selection of static pressure)

Drain pump control

High ceiling SW (External static pressure selection)

Timer setting (wired remote controller)

Correction of high heat feeling

DEMAND setup

Remote controller save function

Frost protection function

Revolutions per minute of dry operation

Table 2. Type: CODE No. 10

Setting data

0001∗

0004∗

4-way Air Discharge Cassette Type

Concealed Duce standard type

Type

Type name abb.

—

RAV-SM∗∗∗BT-E (TR)

∗ 1 EEPROM initial value on the P. C. board for indoor unit servicing. ∗ 2

CAUTION

< Model Name : RAV-SM

For the above models, set the CODE No. to “ (intial) to “0001”.

∗∗∗∗∗∗

∗∗∗BT-E(TR)>

∗∗∗∗∗∗

CE ” and the setting data 0000

0000: Body sensor

0003: Drain pump OFF

Depending on capacity type

0000: Available

0000: None

0075: 75%

0001: Valid

0000: Not available

0011: 310rpm

Table 3. Indoor unit capacity:

CODE No. 11

Setting data

0000∗

0006

0007

0009

0012

0015

0017

Type

Disable

110

140

– 62 –

0018

160

∗ EEPROM initial value on the P.C.

board for indoor unit servicing.

8. SETUP AT LOCAL SITE AND OTHERS

8-1. Indoor Unit

8-1-1. Test Run Setup on Remote Controller

1. When pushing

Then push

• “TEST” is displayed on LC display during operation of Test Run.

• During Test Run, temperature cannot be adjusted but air volume can be selected.

• In heating and cooling operation, a command to fix the Test Run frequency is output.

• Detection of error is performed as usual. However, do not use this function except case of Test Run because it applies load on the unit.

2. Use either heating or cooling operation mode for [TEST].

NOTE : The outdoor unit does not operate after power has been turned on or for approx. 3 minutes after

3. After a Test Run has finished, push (To prevent a continuous test run operation, 60-minutes timer release function is provided to this remote controller.)

button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display.

ON / OFF

operation has stopped.

button.

button again and check that [TEST] on LC display has gone off.

1 When TEMPORARY button is pushed for 10 seconds or more, “Pi!” sound is heard and the

operation changes to test run. After approx. 3 minutes, a cooling operation starts forcedly.

Check cool air starts blowing. If the operation does

not start, check wiring again.

2 To stop a test operation, push TEMPORARY button once again (Approx. 1 second).

Check wiring / piping of the indoor and outdoor

units in test run.

TEMPORARY button

– 63 –

8-1-2. Forced Defrost Setup of Remote Controller (For wired remote controller only)

(Preparation in advance)

1 Push

SET

+ CL buttons simultaneously for 4 seconds or more on the remote controller.

(Push buttons while the air conditioner stops.)

The first displayed unit No. is the master indoor unit address in the group control.

2 Every pushing

UNIT

button, the indoor unit No. in the group control is displayed one after the

other.

Select a main indoor unit (outdoor unit is connected) which is to be defrosted.

In this time, fan and louver of the selected indoor unit operate.

3 Using the set temperature 4 Using the timer time 5 Push 6 Pushing

SET

button. (OK if indication lights)

button returns the status to the normal stop status.

TIME

TEMP.

buttons, specify the CODE No. (DN) 8C.

buttons, set time to data 0001. (0000 at shipment)

(Practical operation)

• Push ON/OFF

• Select the HEAT mode.

• After while, the forced defrost signal is sent to the outdoor unit and then the outdoor unit starts defrost

operation. (The forced defrost operation is performed for Max. 12 minutes.)

• After defrost operation finished, the operation returns to the heating operation.

ON / OFF

Key.

To execute the defrost operation again, start procedure from above item 1 .

(If the forced defrost operation was executed once, setting of the above forced defrost operation is cleared.)

8-1-3. LED Display on Indoor P.C. Board

1. D501 (Red)

• Goes on at the same time when power was turned on (Main microcomputer operates and goes on.)

• Flashes with 1-second interval (every 500ms): When EEPROM is not provided or writing was an error.

• Flashes with 10-seconds interval (every 5S): When the mode is DISP

2. D403 (Red)

• Goes on when power is supplied to remote controller (Lights on the hardware)

– 64 –

SET

UNIT

LOUVER

8-1-4. Function Selection Setup

<Procedure> Perform setting while the air conditioner stops.

1 Push

The first displayed unit No. is the master indoor unit address in the group control.

In this time, fan and louver of the selected indoor unit operate.

SET

+ CL buttons simultaneously for 4 seconds or more.

Every pushing displayed one after the other. In this time, fan and louver of the selected indoor unit only operate.

UNIT LOUVER

button (button at left side), the indoor unit No. in the group control is

3 Using the set temperature

TEMP.

buttons, specify the CODE No. (DN).

Using the timer time

6 Pushing

SET

Push

• To change the selected indoor unit, proceed to Procedure 2 .

• To change item to be set up, proceed to Procedure 3 .

button. (OK if indication lights)

button returns the status to the normal stop status.

TIME

buttons, select the set data.

1 2 3 4 5 6

ON / OF

TIMER SE

MOD

TESTRESE

SWING/FI

END

– 65 –

Item No. (DN) table (Selection of function)

Filter sign lighting time}

Dirty state of filter

Central control address

Heating suction temp shift

Cooling only

Type

Indoor unit capacity

Line address

Indoor unit address

Group address

Item

Description

0000 : None 0002 : 2500H (4-Way/Duct/Ceiling Type)

0000 : Standard 0001 : High degree of dirt

(Half of standard time)

0001 : No.1 unit to 0064 : No.64 unit 0099 : Unfixed

0000 : No shift 0001 : +1°C 0002 : +2°C to 0010 : –10°C

(Up to recommendation + 6)

0000 : Heat pump 0001 : Cooling only

(No display of [AUTO] [HEAT])

0004 : Concealed duct type 0007 : Ceiling type 0014 : Compact 4-way cassette type

0000 : Unfixed 0006 : 40 type 0007 : 45 type 0009 : 56 type 0012 : 80 type 0015 : 110 type 0017 : 140 type 0018 : 160 type

0001 : No.1 unit to 0030 : No.30 unit

0001 : No.1 unit to 0064 : No.64 unit

0000 : Individual 0001 : Master of group 0002 : Follower of group

At shipment

0002 : 2500H

0000 : Standard

0099 : Unfixed

0002 : +2°C

0000 : Heat pump

According to model type

According to capacity type

0099 : Unfixed

Louver type (Air direction adjustment) ∗ None for concealed duct

Temp difference of automatic cooling/heating mode selection COOL → HEAT, HEAT →COOL

Auto restart after power failure

Option

Thermo output selection (T10 e)

Option

Sensor selection

Temperature indication

Option

High ceiling selection (External static pressure selection)

0000 : No louver 0001 : Swing only 0002 : 1-way 0003 : 2-way 0004 : 4-way

0000 : 0 deg to 0010 : 10 deg (For setup temperature, reversal of COOL/HEAT by ± (Data value)/2)

0000 : None 0001 : Auto restart

0000 : Indoor thermo ON 0001 : Output of outdoor comp-ON receiving

0000 : Body TA sensor0001 : Remote controller sensor

0000 : °C (celsius) 0001 : °F (Fahrenheit)

Set data

External static

pressure

0000 0001 0002 0003 0004 0005

40 Pa

30 Pa 65 Pa 50 Pa 80 Pa 100 Pa

To 3HP (Factory default)

4 to 6HP

—————

(Factory default)

According to model type

0003 : 3 deg (Ts±1.5)

0000 : None

0002 : Default

0000: Thermo. ON

0000 : Default

0000 : Body sensor

0000 : °C

0003 : Default

According to capacity type

0006

120 Pa

The list above is when SW501-1 and SW501-2 is OFF.

– 66 –

Timer set (Wired remote controller)

Correction of high heat feeling

Self clean time

Power saving (Current demand × % to outdoor unit)

Forced stop setting for self clean

Self clean stop function when [START/ STOP] operation was prohibited

Existence of Power save operation

Existence of 8°C heating operation function

Revolution count of self clean

Item

Description

0000 : Available (Operable) 0001 : Unavailable (Operation prohibited)

0000 : None 0001 : Correction

0000: None 0001: 0.5h to 0.012: 6.0h The case that compressor-ON time is 10 to 60 minutes is set up. When ON time is over 60 minutes, the operating time becomes two times of it.

0050: 50% to 0100: 100%

0000: None 0001: Set

When stopping the air conditioner (including “Fire alarm” of the control system, etc.) while [START/STOP] operation is prohibited (Central 1, 2) from the central controller side, 0000: Valid (No self cleaning) 0001: Invalid (Self cleaning)

0000: Invalid (Unavailable) 0001: Valid (Available)

0000: Invalid (Unavailable)} 0001: Valid (Available)

0000: Invalid (Self cleaning is not performed.) 0011: Valid (Self cleaning is performed at 310 rpm.)

At shipment

0000 : Available

0000 : None

0002: 1 hour

0075: 75%

0000: None

0000: Valid

0001: Valid (Available)

0000: Invalid (Unavailable)

0011: Valid (310rpm/operation)

Display/ No display of [SELF CLEANING] during self clean operation

0000: Displayed, 0001: Not displayed

0000: Displayed

– 67 –

8-1-4. Cabling and Setting of Remote Controller Control

DIP-Switch [SW30]

4 ON=Follower OFF=Header

3 ON=B OFF=A

2 Not used

1 Not used

SW30

Bit3 : OFF ON

1ON234

2-remote controller control (Controlled by 2 remote controllers)

This control is to operate 1 or multiple indoor units are controlled by 2 remote controllers. (Max. 2 remote controllers are connectable.)

• When connected 2 remote controllers operate an idoor unit

Remote controller

switch (Master)

Sold

separately

BABA

Indoor unit

21 3

Outdoor unit

Remote controller

switch (Sub)

Sold

separately

Remote controller cables (Procured locally)

Terminal block for remote controller cables

• When connected 2 remote controllers operate the twin

Remote controller

switch (Master)

Sold

separately

BABA

Remote controller inter-unit wire (Procured locally)

Remote controller

switch (Sub)

Sold

separately

How to set wired remote controller as sub remote controller

Change DIP switch inside of the rear side of the remote controller switch from remote controller master to sub. (In case of RBC-AMT32E)

Remote controller (Inside of the rear side)

Sub remote

controller

Master remote

controller

1 2

DIP switch

Remote controller address (A-B selection) setting

• When two or more signal receiving units are installed in a room, a unique address can be set for each signal receiving unit to prevent interference.

• Address (A-B selection) must be changed on both signal receiving unit and wireless remote controller.

• For the details of address change (A-B selection) on wireless remote controller, refer to the owner’s manual.

Turn off the indoor unit power supply. Turn on the bit 3 of DIP switch SW30 on the signal receiving unit P.C. board.

The setting change is shown below.

Terminal block for remote controller cables

Indoor unit 1

21 3

Outdoor unit

(Setup method)

One or multiple indoor units are controlled by two remote controllers. (Max. 2 remote controllers are connectable.)

Indoor unit 2

21 3

Inter-unit wiring between indoor units (Procured locally)

– 68 –

Wireless remote controller (A-B selection)

Using 2 wireless remote controllers for the respective air conditioners, when the 2 air conditioners are closely installed.

Wireless remote controller B setup

1. Start the air conditioner.

2. Point the wireless remote controller at the indoor unit.

3. Push and hold

button on the wireless

CHK

remote controller by the tip of the pencil.

“00” will be shown on the display.

4. Push MODE

MODE

button during

CHK

pushing .

“B” will be shown on the display and “00” will be disappear and the air conditioner will turn OFF. The wireless remote controller B is memorized.

"B" Display

"00" Display

PRESET FAN

NOTE

• Repeat above step to reset wireless remote controller to be A.

• The wireless remote controllers do not display “A”.

• The factory default of the wireless remote controllers is “A”.

• A-B selection can be set with signal receiving unit. For the further details, refer to the installation manual.

– 69 –

8-1-5. Monitor Function of Remote Controller

SET

CLSAS

ON / OFF

UNIT

LOUVER



 Calling of sensor temperature display



Each sensor temperature of the remote controller, indoor unit, and outdoor unit can become known by calling the service monitor mode from the remote controller.

1 Push

+ CL buttons simultaneously for 4 seconds to

call the service monitor mode.

The service monitor goes on, the master indoor unit No. is displayed, at first and then the temperature of CODE No.

0000

displayed.

2 Push temperature set

TEMP.

buttons and then change

the CODE No. of data to be monitored.

The item code list is shown below:

TIMER SE

TESTRESE

WING/FI

241 3

MOD

CODE No.

Indoor unit data

Data name

Room temperature (Remote controller)

Indoor suction temperature (TA)

Indoor heat exchanger (Coil) temperature (TCJ)

Indoor heat exchanger (Coil) temperature (TC)

Indoor fan revolution frequency

Indoor fan calculated operation time

Filter sign time

Unit

°C

rpm

×100h

×1h

CODE No.

Outdoor unit data

Outdoor heat exchanger (Coil) temperature (TE)

Outside temperature (TO)

Compressor discharge temperature (TD)

Compressor suction temperature (TS)

Heat sink temperature (THS)

Operation current (× 1/10)

Outdoor heat exchanger (Coil) temperature (TL)

Compressor operation frequency

Outdoor fan revolution frequency (Lower)

Outdoor fan revolution frequency (Upper)

Compressor calculated operation time

1 2 3 4

Returned to usual display

Data name

Unit

°C

rps

rpm

×100h

Push Each data of the indoor unit and its outdoor units can be monitored.

Pushing

• The data value of each item is not the real time, but value delayed by a few seconds to ten-odd seconds.

• If the combined outdoor unit is one before 2 or 3 series, the outdoor unit data [6D], [70], [72] and [73] are

NIT LOUVE

button to select the indoor unit to be monitored.

button returns the status to the usual display.

not displayed.

– 70 –



SET

CLSAS

ON / OFF

UNIT

LOUVER

 Calling of error history



The error contents in the past can be called.

1 Push

buttons simultaneously for 4 seconds or

more to call the service check mode.

0101

Service Check goes on, the CODE No. then the content of the latest alarm is displayed. The number and error contents of the indoor unit in which an error occurred are displayed.

is displayed, and

0101

TIMER SE

MOD

2 In order to monitor another error history, push the set

temperature

/ buttons to change the error

TESTRESE

WING/FI

history No. (CODE No.)

CODE No. NOTE : 4 error histories are stored in memory.

3 Pushing

0101

(Latest) → CODE No.

0101

button returns the display to usual display.

REQUIREMENT

Do not push CL button, otherwise all the error histories of the indoor unit are deleted. If the error histories are deleted by pushing CL button, turn off the power supply once and then turn on the power supply again. When the error which is same as one occurred at the last before deletion continuously occurs again, it may not be stored in memory.

0404

(Old)

231

1 2 3

Returned to usual display

(Group control operation)

In a group control, operation of maximum 8 indoor units can be controlled by a remote controller. Twin, triple or double twin of an outdoor unit is one of the group controls. The indoor unit connected with outdoor unit (Individual/Header of twin) controls room temperature according to setting on the remote controller.

OUT

1-1 2-1

OUT

Header

OUT

3-1 4-1 8-1

OUT

Max. 8 unit

Remote controller

1. Display range on remote controller The setup range (Operation mode/Air volume select/Setup temp) of the indoor unit which was set to the header unit is reflected on the remote controller.

1) Concealed duct high static pressure type (RAV-SMXXX) is not set up on the header unit.

• If the Concealed duct high static pressure type is the header unit: Operation mode: [Cooling/Heating AUTO] [HEAT] [COOL] [FAN] and no [DRY] Air volume select: [HIGH]

• When the operation mode is [DRY], [FAN] stops in concealed duct high static pressure models.

2. Address setup If there is no serial communication between indoor and outdoor when the power is turned on, it is judged as follower unit of the twin. (Every time when the power is turned on)

• The judgment of header (wired) / follower (simple) of twin is carried out every time. It is not stored in non-

volatile memory.

Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic address. If power of the indoor unit is not turned on within 3 minutes (completion of automatic address setting), the system is rebooted and the automatic address setting will be judged again.

1) Connect indoor/outdoor connecting wire surely.

2) Check line address/indoor address/group address of the unit one by one.

Especially in case of twin, triple, double twin, check whether they are identical system address or not.

3) The unit No. (line/indoor gout address) which have been set once keep the present status as a rule if the unit

No. is not duplicated with one of another unit.

– 71 –



 Indoor unit power-ON sequence



Power ON

Gr construction check

• The unit without power feed waits entirely → Waiting status is released by system start

• Reboot when power is fed on the way

Not normal NO

3 minutes elapse

Normal ∗ Gr normal

1) There is no duplicated indoor unit address.

2) There is no invalid indoor unit address.

3) Individual unit and header / follower units are not intermingled.

4) Only a unit for individual.

Header indoor unit and 1 or more

follower units for Gr.

System start

Outdoor model distinction (10 seconds) (Indoor unit) Twin header/follower distinction (Indoor unit) Gr construction, louver information (Remote controller)

Remote controller operation is available.

YES

Automatic address starts.

(Approx. 1 minute up to finish)

• Power supply/Indoor/Outdoor serial and Gr wiring: OK

• Powers of all indoor units are turned on within 3 minutes.

• Reception time for remote controller operation (After power supply was turned on)

1) When address is OK : Approx. 50 seconds

2) In AUTO address : Approx. 4 to 5 minutes

(Approx. 50 seconds after power-ON)

Regular communication between indoor units (Every 30 seconds) (Header / Follower) Regular communication of the identical piping system (Every 30 seconds) (Twin header / follower) (When the above status changes, immediately communicates.)

(Repetition)

• In a group operation, if the indoor unit which was fed power after judgment of automatic address cannot

receive regular communication from the header unit and regular communication on identical pipe within 120 seconds after power was turned on, it reboots (system reset).

→ The operation starts from judgment of automatic address (Gr construction check) again.

(If the address of the header unit was determined in the previous time, the power fed to the header unit and reboot works, the header unit may change though the indoor unit line address is not changed.)

– 72 –

8-2. Setup at Local Site / Others

Model name: TCB-PCNT30TLE2

8-2-1. 1:1 Model Connection Interface (TCC-LINK adapter)

1. Function

This model is an optional P.C. board to connect the indoor unit to 1:1 model connection interface.

2. Microprocessor block diagram

Indoor unit

Central controller

1:1 model connection interface P.C. board

CN050

Indoor control

P.C. board

CN041

Terminal block (A, B)

CN51

1:1 model

connection interface

communication circuit

Remote controller

3. 1:1 model connection interface wiring connection

CN40

Terminal

resistance

SW01

MCC-1440

1:1 model connection interface

Communication units : Total 64 units Communication distance : 2000 m

CAUTION

1) When controlling DI, SDI series collectively, 1:1 model connection interface (This option) is required.

2) In case of group operation, twin-triple operation, the 1:1 model connection interface is necessary to be connected to the header unit.

3) Connect the central control devices to the central control system wiring.

4) When controlling DI, SDI series only, turn on only Bit 1 of SW01 of the least line of the system address No. (OFF when shipped from the factory)

∗∗

∗ In case of DI, SDI series, the address is necessary to be set up again from the wired remote

∗∗

controller after automatic addressing.

Central control device

Outdoor unit

Caution 3

Indoor unit

1:1 model connection

interface

This product

( )

sold separately

Central control device

Refrigerant line 1

123

Caution 1

Remote controller

U1 U3

U2 U4

Central control devices: Max. 10 units

Refrigerant line 2

Header

U4 123

Caution 2

unit

123

Remote controller wiring

Remote controller Remote controller Remote controller

Refrigerant line 3

Follower unit

Refrigerant line 4

Follower unit

123

A B

Indoor/outdoor inter-unit wire (AC230V serial)

Central control system wiring

* Wiring for No.1 and 2 only

Header unit

123

A B

Followe unit

123

A B

Group operation (Max. 8 units) Twin/Triple operation (Example of triple)

Indoor units in all refrigerant lines: Max. 64 units

* However group follower units of SDI, DI series are not included in number of the units.

[If mixed with SMMS (Link wiring), multi indoor units are included.]

– 73 –

4. Wiring Specifications

• Use 2-core with no polar wire.

• Match the length of wire to wire length of the central control system. If mixed in the SMMS system, the wire length is lengthened with all indoor/outdoor inter-unit wire length at side.

• To prevent noise trouble, use 2-core shield wire.

• Connect the shield wire by closed-end connection and apply open process (insulating process) to the last terminal. Ground the earth wire to 1 point at indoor unit side. (In case of central controlling of digital inverter (DI, SDI) unit setup)

No. of wires

Size

Up to 1000m: twisted wire 1.25mm Up to 2000m: twisted wire 2.0mm

CAUTION

1) Closed-end connection of shield wire (Connect all the connecting parts of each indoor unit)

2) Apply open process to the last terminal (insulating process).

Central control device

Outdoor unit

Indoor unit

3) Ground earth wire to 1 point at indoor unit side.

Caution 2

123

U4 123

123

Caution 1

3123123

Header unit

U4 123

Follower unit

Central control system wiring

Follower unit

123

A B

Caution 3

Header unit

: 1:1 model connection interface (TCC-LINK adapter) (This option)

123

Follower unit

A B

123

A B

Remote controller

Remote controller Remote controller Remote controller

(Group operation) (Triple operation)

Earth screw

5. P.C. Board Switch (SW01) Setup

When performing collective control by customized setup only, the setup of terminator is necessary.

• Using SW01, set up the terminator.

• Set up the terminator to only the interface connected to the indoor unit of least line address No.

Central control device

Outdoor unit

Indoor unit

1:1 model connection interface

(TCC-LINK adapter)

This product

( )

sold separately

Central control device

Refrigerant line 1

123

U4 123

123

Remote controller

Refrigerant line 2

U4 123

Remote controller Remote controller Remote controller Remote controller

Central control devices: Max. 10 units

Refrigerant line 3

Header unit

Followerunit

Remote controller wiring

Refrigerant line 4

Follower unit

123

A B

Indoor/outdoor inter-unit wire (AC230V serial)

Central control system wiring

123

U3 U4

* Wiring for No.1 and 2 only

Header unit

A B

Follower unit

123

A B

Line address

SW01 Bit 1 SW01 Bit 2

Remarks

Turn SW01 Bit 1 to ON.

OFF

(Reference) Setup contents of switch

SW01

Bit 1 OFF

OFF

Bit 1 OFF OFF

ON ON

Group operation (Max. 8 units) Twin/Triple operation (Example of triple)

2 OFF OFF

As status shipped from factory

Terminator

None 100Ω

75Ω 43Ω

4 OFF OFF

As status shipped from factory

Remarks

Mixed with SMMS (Link wiring) at shipment from factory Central control by digital inverter only Spare Spare

– 74 –

(OFF at shipment from factory) (OFF at shipment from factory)

6. External view of P.C. board assembly

ON / OFF

SETTESTRESET

SAVE

TMODE

Terminator (SW01)

7. Address setup

In addition to set up the central control address, it is necessary to change the indoor unit number. (Line/Indoor/Group address). For details, refer to 1:1 model connection interface Installation Manual.

8-3. How to Set up Central Control Address Number

When connecting the indoor unit to the central control remote controller using 1:1 model connection interface, it is necessary to set up the central control address number.

• The central control address number is displayed as the line No. of the central control remote controller.

How to set up from indoor unit side by remote controller

<Procedure> Perform setup while the unit stops.

1 Push

VENT

buttons for 4 seconds or more.

When group control is executed, first the unit No. is displayed and all the indoor units in the group control are selected. In this time, fans of all the selected indoor units are turned on. (Fig. 1) (Keep displayed status without pushing

UNIT LOUVER

button.)

In case of individual remote controller which is not group-controlled, Line address and Indoor unit address are displayed.

2 Using temperature setup 3 Using timer time

TIME

buttons, select the SET DATA.

TEMP.

buttons, specify CODE No.

0303

The setup data is shown in the table below (Table 1).

4 Push

5 Push

SET DATA

0001 0002 0003

0064

SET

button. (OK if display goes on.)

• To change the item to be set up, return to Procedure 2.

button.

The status returns to usual stop status.

(Table 1)

Central control address No.

1 2 3

2 1

SET DATA

SETTING

TIMER SE

(Fig.1)

UNIT

No.

R.C.N

WING/FI

CODE No.

NIT LOUVE

3 1

0099

Unset (Setup at shipment from factory)

– 75 –

How to confirm the central control address (New function for AMT32E remote controller)

<Procedure> It can be confirmed even during operation or stopping.

UNIT LOUVER

1 Push

UNIT LOUVER

In the frame at left side of the remote controller screen, the lighting set contents are displayed.

During unset time,

After lighting display for 3 seconds, the display automatically disappears.

If any button is pushed during display, immediately the display disappears and then the pushed button is

If any button is pushed during display, immediately the display disappears and then the pushed button is displayed.

displayed.

button for 4 seconds or more.

00990099

0099

(At shipment from factory) is displayed.

0099

(At shipment from factory) is displayed.

00990099

– 76 –

9. ADDRESS SETUP

9-1. Address Setup

When an outdoor unit and an indoor unit are connected and they are twin-triple, or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided, the automatic address setup completes with power-ON of the outdoor unit. The operation of the remote controller is not accepted while automatic address works. (Approx. 4 to 5 minutes)

Setup of line address of outdoor unit, indoor unit address, and group address

Completion of wiring work

Do you arbitrarily set the

indoor unit address?

YES

Connect one remote controller with one indoor unit (1 : 1) tentatively with communication wiring.

Turn on power of outdoor unit.

Set to all indoor units one by one.

(MANUAL)

( )

Is refrigerant line 1 line?

Is group control performed?

YES

Are there multiple units

of twin-triple connections?

YES

Do you change setting after

automatic setting at the first time?

YES

Turn on power of outdoor unit.

After completion of address setup, change is to arbitral address/group manually.

YES

(To AUTO address mode)

Turn on power of outdoor unit.

Setup of automatic address finishes within

( )

4 to 5 minutes.

END

• When the following addresses are not stored in the neutral memory (IC10) on the indoor P.C. board, a test run operation cannot be performed. (Unfixed data at shipment from factory)

Line address

Indoor unit address

Group address

CODE No.

Data at shipment

0099

0001 (No. 1 unit) to 0030 (No. 30 unit)

0001 (No. 1 unit) to 0064 (No. 64 unit) Max. value of indoor units in the identical refrigerant line (Double twin = 4)

0000 : Individual (Indoor units which are not controlled in a group) 0001 : Header unit (1 indoor unit in group control) 0002 : Follower unit (Indoor units other than header unit in group control)

SET DATA range

– 77 –

9-2. Address Setup & Group Control

Indoor unit No. : N – n = Outdoor unit line address N (Max. 30) – Indoor unit address n (Max. 64)

Group address :0 = Single (Not group control)

1 = Header unit in group control 2 = Follower unit in group control

Header unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/

from the remote controllers and follower indoor units. (*It has no relation with an indoor unit which communicates serially with the outdoor units.)

The operation mode and setup temperature range are displayed on the remote controller LCD. (Except air direction adjustment of louver)

Follower unit (= 2) : Indoor units other than header unit in group operation

Basically, follower units do not send/receive signals to/from the remote controllers. (Except errors and response to demand of service data)

Master unit : This unit communicates with the indoor unit (sub) which serial-communicates with the (Representative unit) outdoor units and sends/receives signal (Command from compressor) to/from the outdoor (Header Twin) units as the representative of the cycle control in the indoor units of the identical line

address within the minimum unit which configures one of the refrigerating cycles of Twin, Triple, Double twin.

Sub unit : Indoor units excluding the header unit in Twin, Triple, Double twin (Subordinate unit) This unit communicates with (Master) indoor unit in the identical line address and per-

forms

(Follower Twin) control synchronized with (Master) indoor unit.

This unit does not perform the signal send/receive operation with the outdoor units.: N judgment for serial signal error.

9-2-1. System configuration

1. Single 2. Single group operation

Outdoor

Indoor

Remote controller

3. Triple

1-1

Header/Master

1-1

Individual

(Header/Master)

1-2

Follower/Sub

1-3

Follower/Sub

1-1

Header/Master

1-2

Follower/Sub

– 78 –

4. Single group operation

• Each indoor unit controls the outdoor unit individually.

2-1

Header/Sub

1-1

Header/Sub

4-1

Header/Master

3-1

Header/Sub

8-1

Header/Sub

5. Multiple groups operation (Manual address setting)

2-1

Header/Sub

1-1

Header/Sub

1-2

Follower/Sub

3-1

Header/Master

3-2

Follower/Sub

3-3

Follower/Sub

• Master unit: The master unit receives the indoor unit data (thermo status) of the sub (Without identical line address & indoor/outdoor serial) and then finally controls the outdoor compressor matching with its own thermo status.

The master unit sends this command information to the sub unit.

• Sub unit: The sub unit receives the indoor unit data from the master (With identical line address & indoor/outdoor serial) and then performs the thermo operation synchronized with the master unit.

The sub unit sends own thermo ON/OFF demand to the master unit.

(Example)

No. 1-1 master unit sends/receives signal to/from No. 1-2 and No. 1-3 sub units. (It is not influenced by the line 2 or 3 address indoor unit.)

– 79 –

9-2-2. Automatic Address Example from Unset Address (No miswiring)

1. Standard (One outdoor unit)

(1-1) (1-2)

1-2

Header/Sub

Follower/Master

1-1

Individual

(Header/Master)

(1-1)

1-2

Header/Master

(1-2)

1-1

Follower/Sub

Only turning on source power supply (Automatic completion)

2. Group operation (Multiple outdoor units = Multiple indoor units with serial communication only, without twin)

2-1

Header/Sub

1-1

Header/Sub

3-1

Header/Master

8-1

Header/Sub

1-3

(Max. : 8 units)

(1-3)

1-1

Follower/Sub

Only turning on source power supply (Automatic completion)

3. Multiple groups operation

Single Twin Triple

2-1

Header/Sub

2-1

Header/Sub

1-1

2-3

Follower/Master

3-1

Header/Sub

3-3

Follower/Sub

1-2

Follower/Sub

Change is necessary

Manually change addresses of the multiple sub units

simultaneously from the remote controller.

1-1 1-2 3-1 3-2 3-3

– 80 –

SET

CLSAS

ON / OFF

UNIT

LOUVER

9-3. Address Setup (Manual Setting from Remote Controller)

In case that addresses of the indoor units will be determined prior to piping work after wiring work

• Set an indoor unit per a remote controller.

• Turn on power supply.

Line address → 1

Indoor unit address → 1

Group address → 1

1 Push

SET

+ CL +

TEST

buttons

simultaneously for 4 seconds or more.

Remote controller

2 (Line address)

Using the temperature setup set 12 to the CODE No.

/ buttons,

3 Using timer time / buttons, set the line address. 4 Push

SET

button. (OK when display goes on.)

(Example of 2-lines wiring) (Real line: Wiring, Broken line: Refrigerant pipe)

Outdoor

1 2 3

Indoor

A B

1 2 3

Indoor

A B

1 2 2

For the above example, perform setting by connecting singly the wired remote controller without remote controller inter-unit wire.

Group address Individual : 0000 Header unit : 0001 Follower unit : 0002

1 2 3

Indoor

A B

1 3 2

Outdoor

1 2 3

Indoor

A B

2 1 2

In case of group control

1 2 3

Indoor

A B

2 2 2

5 (Indoor unit address)

Using the temperature setup

/ buttons, set

1313

to the CODE No.

1313

6 Using timer time / buttons, set 1 to the line address. 7 Push

SET

button. (OK when display goes on.)

8 (Group address)

WING/FI

1414

to the CODE No.

1414

MOD

VEN

Using the temperature setup

9 Using timer time / buttons, set

/ buttons, set

00000000

0000

to Individual,

00000000

Folloer unit.

10 Push 11 Push

SET

button. (OK when display goes on.)

TEST

button.

Setup completes. (The status returns to the usual stop status.)

2, 5, 8

END 11

TIMER SE

TIM

TESTRESE

00010001

0001

to Header unit, and

00010001

3, 6, 9

4, 7, 10

00020002

0002

00020002

1 2 3 4 5 6 7 8 9 10 11 END

– 81 –

SET

CLSAS

ON / OFF

UNIT

LOUVER

SET

UNIT

LOUVER

9-4. Confirmation of Indoor Unit No. Position

1. To know the indoor unit addresses though position of the indoor unit body is recognized

• In case of individual operation (Wired remote controller : indoor unit = 1 : 1)

(Follow to the procedure during operation)

1 Push 2 Push

Unit No.

(It disappears after several seconds.)

The displayed unit No. indicate line address and indoor unit address. (When other indoor units are connected to the identical remote controller (Group control unit), other unit numbers are also displayed every pushing button.

ON / OFF

button if the unit stops.

UNIT LOUVER

button.

1-11-1

1-1

is displayed on LCD.

1-11-1

UNIT LOUVER

TESTRESE

TIMER SE

WING/FI

MOD

Operation

1 2

END

2. To know the position of indoor unit body by address

• To confirm the unit No. in the group control

(Follow to the procedure during operation) (in this procedure, the indoor units in group control stop.)

The indoor unit numbers in the group control are successively displayed, and fan, louver, and drain pump of the corresponding indoor unit are turned on. (Follow to the procedure during operation)

1 Push

VENT

for 4 seconds or more.

• Unit No. is displayed.

• Fans and louvers of all the indoor units in the group control operate.

2 Every pushing

and

TEST

buttons simultaneously

UNIT LOUVER

button, the unit

ON / OF

TIMER SE

TESTRESE

SWING/FI

numbers in the group control are successively displayed.

• The unit No. displayed at the first time indicates the header unit address.

• Fan and louver of the selected indoor unit only

1 2 3

END

operate.

3 Push

TEST

button to finish the procedure.

All the indoor units in the group control stop.

MOD

– 82 –

10. DETACHMENTS

WARNING

Be sure to stop operation of the air conditioner before work and then turn off switch of the breaker.

Be sure to put on gloves during working time; otherwise an injury will be caused by a part, etc.

CAUTION

NOTE

In a section 10, Detachments, the models are expressed as follows for convenience. 40 Types: RAV-SM406BT-E, -TR to SM566BT-E, -TR) 80 Types: RAV-SM806BT-E, -TR 140 Types: RAV-SM1106BT-E, -TR to SM1606BT-E, -TR)

No. Part name Procedure Remarks

Air filter

1. Detachment

1) Slide the filter toward the opposite side of the arrow mark and then pull out the filter. (In the case that two filters are provided, pull out the first filter, then the second filter will be pulled out connected with the first filter.)

2. Attachment

1) Insert the filter in the filter rail toward the arrow mark, slide it until the filter stops and then fix it. (In the case that two filters are provided, insert the second filter in the same direction after inserting the first filter.)

Back air intake

Air filter

Arrow mark

Under air intake

Air filter

– 83 –

No. Part name Procedure Remarks

Suction panel

1. Detachment

1) Remove the fixing screws A which fix the suction panel. Loosen the fixing screws B.

2) Slide the suction panel to the arrow side and then remove the panel.

2. Attachment

1) Hook the suction panel to the fixing screws B and tighten screws.

2) Attach the removed screws A to the original positions.

Under air intake

40 Type

Suction panel

Fixing screws B Fixing screws B

Back air inatke

Fixing screws B Fixing screws B

Suction panel

80 Type 140 Type

Suction panel

Fixing screws AFixing screws A Fixing screws A

Suction panel

Fixing screws B

Electric parts

box cover

Fixing screws A Fixing screws A

1. Detachment

1) Remove the screw A of the electric parts box cover to loosen screw B.

2) As shown in the right figure, when sliding it toward arrow direction and pulling to this side, the electric parts cover opens using the hinge part as a shaft.

3) Take off the slit of the electric parts box cover from the projection of the side plate and then remove the cover.

2. Attachment

1) Hook the slit of the electric parts box cover to the projection of the side plate, close the cover, enter screw B in the Key hole and then slide it.

2) Fix the electric parts box cover by tightening with screws A and B.

Fixing screws A

Projection on the side plate

Slit

Side plate

Key hole

Electric parts box cover

Hinge part

Screw B

Screw-A

– 84 –

No. Part name Procedure Remarks

Electric parts

box

1. Detachment

1) Perform works of 1 of c. (In case of under air intake) Perform works of 1 of (In case of back air intake) Perform works of 1 of

2) Remove the indoor/outdoor connecting wire and remote controller wire from each terminal block.

3) Remove the connectors which connected from the control P.C. board to other parts.

NOTE

First unlock the housing and then remove the connectors.

CN34 : Float switch (3P, Red) CN41 : Remote controller terminal block (3P,

CN504 : Drain pump (2P, White) CN67 : Power supply terminal block (5P: Black)

CN101 : TC sensor (2P: Black) CN102 : TCJ sensor (2P, Red) CN104 : Room temperature (2P, Yellow)

4) Remove screws. (Ø4 x 10, 2 pcs.)

5) Slide the electric parts box toward the arrow mark and then remove the box from the bottom side of the main unit.

Blue) (Screw part of terminal block, 2P.)

(Screw part of terminal block, 3P.)

Electric parts box

Screw Notch part

Control P.C. board

2. Attachment

1) Attach the electric parts box and then perform wiring as original.

Notes 1

Check there is no missing or contact failure on the connectors.

Notes 2

Be sure to perform wiring as original.

2) Attach air filter, suction panel, and electric parts box as original.

1. Detachment

1) Perform work of 1 of f.

(In the works of 1 of control P.C. board is available even if you do not perform works after 4)).

2) Unlock the card edge spacers (5 positions) in the

electric parts box to remove the control P.C. board.

f, removal of the

2. Attachment

1) Mount control P.C. board in the electric parts

box as original.

2) Attach the electric parts box as original.

3) Be sure to perform wiring as original in the

electric parts box.

NOTE

Check there is no missing or contact failure on the connectors.

CAUTION When replacing PC. board, check no-mex paper is attached.

4) Attach each air filter, suction panel or

electric parts box cover as original.

– 85 –

No. Part name Procedure Remarks

Fan motor, Fan, Fan case

1. Detachment

1) Perform works until opening of the electric parts box cover in works of 1 of f.

2) Remove connectors for fan motor wiring from control P.C. board.

CN333 : Motor power supply (5P: White) CN334 : Motor control (5P: White)

3) Open the fan case (under) and remove it while pressing claws of the fan case (under). (There are both sides of the case)

4) Remove the fixing screws (Ø5 x 10, 2 pcs.) of the fixing plate (2 pcs.) at the side of the fan motor. (The fan motor becomes temporal hanging status by fixing plate.)

5) While supporting the fan motor by hands, remove the fixing plate from the motor base to remove the fan motor.

6) Loosen the hexagonal screw hole of the fan and then pull out the fan from the shaft. (Hexagon wrench : 3mm)

2. Attachment

1) Insert the fan in the shaft while adjusting to match the hexagonal screw hole to the groove of the shaft.

2) Perform screwing the fan motor with the fixing plate (Ø5 x 10, 2 pcs.)

Fan motor wiring CN333 CN334

Fixing screw

Fixing sheet metal

NOTE

Match the fan motor with turning direction of the fan and fix so that the 40 type and 80 type fan motor wirings are at refrigerant piping side and 140 type is at opposite side of refrigerant piping.

3) While positioning so that the fan is at the center of the fan case (upper), fix the fan with hexagonal screw.

NOTE

Be sure to use a torque wrench for fixing and tighten with 4.9N•m or more.

4) Attach the fan case (under) as original and check the fan turns smoothly without coming to contact with the fan case.

5) Connect the fan motor wirings as before, close and fix the electric parts box cover. Be sure to perform wirings as original in the electric parts box.

6) Attach air filter and suction panel as original position.

140 Type

80 Type

40 Type

Screw with hexagonal hole

Refrigerant pipng side

– 86 –

CAUTION

When replacing the fan motor, be sure to exchange the clamp filter with the fan motor lead wire.

Drain socket

Fixing screws

Float switch

Drain pump

No. Part name Procedure Remarks

Drain pan

1. Detachment

1) Remove the drain cap and then extract the drain water accumulated in the drain pan.

NOTE

When removing the drain cap, be sure to receive drain water using a bucket, etc.

2) Loosen screws which fix the bottom base. (3 positions) (For 140 type models, remove 2 screws at the center.)

3) As shown in the right figure, when sliding it toward arrow direction, the electric parts cover the bottom base opens using the hinge part as a shaft.

4) Hold handle of the drain pan and then pull off slowly.

CAUTION

When removing the drain pan, do not hold the drain socket. (Water leakage may be caused.)

2. Attachment

1) First hook the thin side of the drain pan to the discharge panel and then push in the thick side.

2) Close the bottom base and fix it with screws.

Bottom base

Do not hold the drain socket.

Screws

Drain socket

Drain pan

Discharge port panel

Handle

Drain pump

Float switch

1. Detachment

1) Perform works until opening of the electric

parts box cover in works of 1 of

2) Remove the connectors which connect to

float switch of the drain pump from the control

P.C. board. CN34 : Float switch (3P, Red) CN504 : Drain pump (2P, White)

3) Remove the fixing screws (2 positions) of the check cover and then take out the check cover. (To the check cover, the drain pump and float switch are attached.)

4) Pick up the hose band, shift from the pump connecting part, remove the drain hose and then remove the check cover.

5) Remove screws which fix the drain pump assembly and then remove the drain pump assembly. (Ø4 x 10, 3 pcs.)

6) Remove the resin nut switch and then remove the float switch from the fixing plate.

2. Attachment

1) Using the removed screws, fix the drain pump assembly as original.

2) Using the removed resin nut, fix the float switch as original.

3) Connect the drain hose as original and then attach the hose band.

4) Connect the drain pump and the float switch wiring as original and close the electric parts box cover for fixing. Be sure to perform wiring in the electric parts box as original.

5) Enter the corners (2 positions) of the check cover in the entering part and then fix it using fixing screws (2 positions).

Connector position CN34 CN504

Entering part

Fixing screws

Check cover

Hose band

Screws

Resin nut

Float switch

Drain pump

– 87 –

No. Part name Procedure Remarks

Heat exchanger

1. Detachment

1) Recover the refrigerant gas and then

remove the refrigerant pipe of the indoor unit.

2) Perform works of 1 of

3) Pull out TC sensor and TCJ sensor wirings

from the holder.

4) Remove the screws (Ø4 x 8, 2 pcs.) and

then remove the piping cover.

5) Remove screws (Ø4 x 8, 1pc.) of the heat

exchanger fixed plate.

6) While holding the heat exchanger, remove

the fixed screws (Ø4 x 8, 2 pcs.) of the end plate and then take out the heat exchanger slowly.

2. Attachment

1) Set the heat exchanger at the original

position and fix it as before, using screws which removed the end plate, heat exchanger fixed plate and piping cover.

2) Enter TC sensor and TCJ sensor wirings in

the holder and then perform wirings as original.

3) Attach the drain pan and the bottom base

as original.

40 Type

80 Type

End plate

: Screw position

Heat exchanger fixed plate

Piping cover

Heat exchanger fixed plate

Piping cover

140 Type

End plate

Heat exchanger fixed plate

Piping cover

– 88 –

11. EXPLODED VIEWS AND PARTS LIST

11-1. RAV-SM406BT-E, RAV-SM456BT-E, RAV-SM566BT-E

– 89 –

Location

No.

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

Part No.

4312C096

43120255

43170244

4314J474

43122133

43122135

43172225

43149351

43179161

43170269

4310A053

43F49697

43179159

43149353

43047688

43F47685

43147195

43177010

43151315

43079249

43180347

43166011

43166012

43166004

43166018

43F19904

43180349

43180350

43139183

43179149

431S8253

43122117

Description

MOTOR, FAN

FAN, MULTI BLADE

HOSE, DRAIN

REFRIGERATION CYCLE ASSY

CASE, FAN, LOWER

CASE, FAN, UPPER

PAN ASSY, DRAIN

SOCKET

CAP, DRAIN

HOSE, DRAIN

FLANGE

BONNET

BAND, HOSE

SOCKET

NUT, FLARE, 1/2, IN

NUT, FLARE, 1/4 IN

BONNET, 1/2 IN

PUMP ASSY

SWITCH, FLOAT

BAND, HOSE

AIR FILTER

REMOTE CONTROLLER

REMOTE CONTROLLER, WIRELESS

HOLDER, SENSOR (TS)

RAIL, FILTER

FILTER, STOPPER

BAND, HOSE

OWNER'S MANUAL

PLATE, WIND

SM406BT-E

Model Name RAV-

SM456BT-E

SM566BT-E

– 90 –

11-2. RAV-SM806BT-E

– 91 –

Location

No.

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

Part No.

4312C095

43120255

43170244

4314J475

43122133

43122135

43172226

43049776

43179161

43170269

4310A054

43F47609

43179159

43149354

43149352

43F47686

43147194

43177010

43151315

43079249

43180348

43166011

43166012

43166004

43166018

43F19904

43180351

43180352

43139183

43179149

431S8253

Description

MOTOR, FAN

FAN, MULTI BLADE

HOSE, DRAIN

REFRIGERATION CYCLE ASSY

CASE, FAN, LOWER

CASE, FAN, UPPER

PAN ASSY, DRAIN

SOCKET

CAP, DRAIN

HOSE, DRAIN

FLANGE

BONNET

BAND, HOSE

SOCKET

NUT, FLARE, 5/8, IN

NUT, FLARE, 3/8 IN

BONNET, 5/8 IN

PUMP ASSY

SWITCH, FLOAT

BAND, HOSE

AIR FILTER

REMOTE CONTROLLER

REMOTE CONTROLLER, WIRELESS

HOLDER, SENSOR (TS)

RAIL, FILTER

FILTER, STOPPER

BAND, HOSE

OWNER'S MANUAL

Model Name

RAV-SM806BT-E

– 92 –

11-3. RAV-SM406BT-TR, RAV-SM456BT-TR, RAV-SM566BT-TR

– 93 –

Location

No.

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

Part No.

4312C096

43120255

43170244

4314J474

43122133

43122135

43172225

43149351

43179161

43170269

4310A053

43F49697

43179159

43149353

43047688

43F47685

43147195

43177010

43151315

43079249

43180347

43166011

43166012

43166004

43166018

43F19904

43180349

43180350

43139183

43179149

431S8254

43122117

Description

MOTOR, FAN

FAN, MULTI BLADE

HOSE, DRAIN

REFRIGERATION CYCLE ASSY

CASE, FAN, LOWER

CASE, FAN, UPPER

PAN ASSY, DRAIN

SOCKET

CAP, DRAIN

HOSE, DRAIN

FLANGE

BONNET

BAND, HOSE

SOCKET

NUT, FLARE, 1/2, IN

NUT, FLARE, 1/4 IN

BONNET, 1/2 IN

PUMP ASSY

SWITCH, FLOAT

BAND, HOSE

AIR FILTER

REMOTE CONTROLLER

REMOTE CONTROLLER, WIRELESS

HOLDER, SENSOR (TS)

RAIL, FILTER

FILTER, STOPPER

BAND, HOSE

OWNER'S MANUAL

PLATE, WIND

SM406BT-TR

Model Name RAV-

SM456BT-TR

SM566BT-TR

– 94 –

11-4. RAV-SM806BT-TR

– 95 –

Location

No.

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

Part No.

4312C095

43120255

43170244

4314J475

43122133

43122135

43172226

43049776

43179161

43170269

4310A054

43F47609

43179159

43149354

43149352

43F47686

43147194

43177010

43151315

43079249

43180348

43166011

43166012

43166004

43166018

43F19904

43180351

43180352

43139183

43179149

431S8254

Description

MOTOR, FAN

FAN, MULTI BLADE

HOSE, DRAIN

REFRIGERATION CYCLE ASSY

CASE, FAN, LOWER

CASE, FAN, UPPER

PAN ASSY, DRAIN

SOCKET

CAP, DRAIN

HOSE, DRAIN

FLANGE

BONNET

BAND, HOSE

SOCKET

NUT, FLARE, 5/8, IN

NUT, FLARE, 3/8 IN

BONNET, 5/8 IN

PUMP ASSY

SWITCH, FLOAT

BAND, HOSE

AIR FILTER

REMOTE CONTROLLER

REMOTE CONTROLLER, WIRELESS

HOLDER, SENSOR (TS)

RAIL, FILTER

FILTER, STOPPER

BAND, HOSE

OWNER'S MANUAL

Model Name

RAV-SM806BT-TR

– 96 –

11-5. Electric parts

RAV-SM406BT-E (TR), RAV-SM456BT-E (TR), RAV-SM566BT-E (TR), RAV-SM806BT-E (TR)

Location

No.

401

402

403

404

405

406

407

Part No.

43050425

43F50426

44258091

43160565

43160568

4316V499

43163067

Description

SENSOR ASSY, SERVICE

SENSOR, SERVICE

REACTOR

TERMINAL BLOCK, 3P, 20A

TERMINAL, 2P

PC BOARD ASSY

HOLDER, TA

SM406BT-E

(TR)

– 97 –

Model Name RAV-

SM456BT-E

(TR)

SM566BT-E

(TR)

SM806BT-E

(TR)

11-6. RAV-SM1106BT-E, RAV-SM1406BT-E, RAV-SM1606BT-E

– 98 –

Location

No.

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

Part No.

4312C094

43120254

43170244

4314J476

43122134

43122136

43172227

43049776

43179161

43170269

4310A055

43F47609

43179159

43149354

43149352

43F47686

43147194

43177010

43151315

43079249

43180347

43166011

43166012

43166004

43166018

43F19904

43180349

43180350

43139183

43179149

431S8253

Description

MOTOR, FAN

FAN, MULTI BLADE

HOSE, DRAIN

REFIGERATION CYCLE ASSY

CASE, FAN, LOWER

CASE, FAN, UPPER

PAN ASSY, DRAIN

SOCKET

CAP, DRAIN

HOSE, DRAIN

FLANGE

BONNET

BAND, HOSE

SOCKET

NUT, FLARE, 5/8, IN

NUT, FLARE, 3/8 IN

BONNET, 5/8 IN

PUMP ASSY

SWITCH, FLOAT

BAND, HOSE

AIR FILTER

REMOTE CONTROLLER

REMOTE CONTROLLER, WIRELESS

HOLDER, SENSOR (TS)

RAIL, FILTER

FILTER, STOPPER

BAND, HOSE

OWNER'S MANUAL

SM1106BT-E

Model Name RAV-

SM1406BT-E

SM1606BT-E

– 99 –

11-7. RAV-SM1106BT-TR, RAV-SM1406BT-TR, RAV-SM1606BT-TR

– 100 –

Toshiba RAV-SM456BT-TR, RAV-SM566BT-TR, RAV-SM1606BT-E, RAV-SM806BT-TR, RAV-SM1406BT-TR User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual