Toshiba CONCEALED DUCK TYPE, CEILING TYPE service manual Precaution for Safety

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Precaution for Safety

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

WARNING

General

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.

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.

Wear protective gloves and safety work clothing during installation, servicing and removal.

When connecting the electrical wires, repairing the electrical parts or undertaking other electrical jobs, wear gloves to provide protection for electricians and from heat, insulating shoes and clothing to provide protection from electric shocks.

Failure to wear this protective gear may result in electric shocks.

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 intake grille 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 ladder’s instructions.

Also wear a helmet for use in industry as protective gear to undertake the work.

When 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.

Do not touch the aluminum fin of the outdoor 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.

Do not climb onto or place objects on top of the outdoor unit.

You may fall or the objects may fall off of the outdoor unit and result in injury.

When transporting the air conditioner, wear shoes with additional protective toe caps.

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.

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

DENGER

Turn off breaker.

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 intake grille 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 intake grille of the indoor unit or service panel of the outdoor unit and do the work required.

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.

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Contents Split Type Contents Indoort Unit TroubleshootingOriginal instruction Indication Explanation Explanation of indicationsExplanation of illustrated marks Work undertaken Protective gear wornDescription Confirmation of warning label on the main unitPrecaution for Safety Proceeding with the repair work Refrigerant used by this air conditioner is the R410A Resistance and water drainage Relocation Explanations given to userDeclaration of Conformity Specifications Joint Safety Caution Concerned to New RefrigerantCopper pipe Piping Flare nutGeneral tools Conventional tools can be used ToolsSM56 type Round duct Concealed Duct typeSM110 type Round duct RAV-SM404MUT∗, RAV-SM454MUT∗, RAV-SM564MUT∗ Space required for Installation and servicingRAV-SM564BT∗, RAV-SM804BT∗, RAV-SM1104BT∗, RAV-SM1404BT∗ DimensionRAV-SM564CT∗, RAV-SM804CT∗, RAV-SM1104CT∗, RAV-SM1404CT∗ Compact 4-way Cassette Type RAV-SM564BT ∗, RAV-SM804BT ∗, RAV-SM1104BT ∗, RAV-SM1404BT ∗ RAV-SM564CT ∗, RAV-SM804CT ∗, RAV-SM1104CT ∗, RAV-SM1404CT ∗ Ceiling TypeParts name Type Specifications Specifications of Electrical PartsCase of Connection of Wired Simple Remote Controller Indoor Controller Block DiagramWireless remote controller Case of Connection of Wireless Remote ControllerMax units Control outline Command Outline of specifications RemarksTemperature in heating Heat Ceiling type Outline of specificationsConditions TcjTcn Tc nSetup at shipment All operations Cooling/dry operation Heating/fan operationAll modes AlarmCase of wired remote controller LCD Figure if To 28C Setup AT Local Outline of specifications Remarks TCJ Exct Disp CHK MCC-1402Indoor P.C. Board Optional Connector Specifications MCC-1402 Wired remote controller type Summary of TroubleshootingBefore troubleshooting Troubleshooting procedureWireless remote controller type Lamp indication Check code Cause of trouble occurrence Outline of judgmentLamp indication Check code Others Other than Check Code Indoor unit detected Remote controller detectedCentral control devices detected Error mode detected by indoor unit Check Code ListAir conditioner Error mode detected by outdoor unitOperation of diagnostic function Check Status Power supply error of remote controller, Indoor E09 error Check code E01 errorE10 error E04 errorE08, L03, L07, L08 error E18 errorL09 error L30 error L20 errorP30 error Central controller F10 error P10 errorP12 error Exchange to heating cycle P19 errorCheck by tester Exchange to cooling cycleF01 error F02 errorC06 error 11 model connection interface F29 error E03 error Master indoor unitP31 error Follower indoor unit TD, TL sensor Temperature Resistance value characteristic tableTA, TC, TCJ, TE, TS, to sensor TA, TC, TCJ, TE,TS, to sensorPosition Resistance value Part name Checking procedureCase Replacement proceduresC. Board for indoor unit servicing replacement procedures Setting data read out from EepromCode No. required at least Contents MCC-1402 Writing the setting data to EepromType Code No Setting data Factory-set valueSetting data Type Type name abb Setting data TypeCompact 4-way Cassette Type and Concealed Duct Type Test Run Setup on Remote Controller Wired remote controllerTest cooling operation Test heating operation Procedure DescriptionLED Display on Indoor P.C. Board D002 Red Practical operationD203 Red To change item to be set up, proceed to Procedure Function Selection SetupUsing the set temperature To change the selected indoor unit, proceed to ProcedureDescription At shipment Item No. DN table Selection of functionDescription At shipment Setup method Wireless remote controllerWhen connected 2 remote controllers operate an idoor unit When connected 2 remote controllers operate the twinContents System example Calling of error history ContentsPushing Test button returns the display to usual display Group control operationInitial communication Indoor unit power-ON sequenceUsual regular communication Model name TCB-PCNT30TLE Microprocessor block diagramModel connection interface wiring connection Model Connection Interface TCC-LINK adapterC. Board Switch SW01 Setup Wiring SpecificationsPush Test + Vent buttons for 4 seconds or more How to set up from indoor unit side by remote controllerExternal view of P.C. board assembly Address setupDuring unset time, At shipment from factory is displayed Address setup procedure Address SetupAddress Setup & Group Control Terminology System configurationExample Only turning on source power supply Automatic completion Automatic Address Example from Unset Address No miswiringButton Using timer time Buttons, set the line addressPush SET + CL + Test buttons Simultaneously for 4 seconds or moreTo know the position of indoor unit body by address ProcedureButton if the unit stops Attachment Part name ProcedureCeiling panel RBC-UM11PGWE Preparing work DetachmentPart name Procedure Remarks Panel has directionality Part name Procedure Remarks Ceiling panelNo. Part name Procedure RemarksElectric parts box No. Part name Procedure Fan motor 1. Detachment Drain pump 1. Detachment Drain pan 1. DetachmentExchanger Recover refrigerant gas Part name Procedure Remarks HeatDetails of sensor lead wire drawing RAV-SM∗∗∗BT ∗ Part name Procedure RemarksFan motor Remove the Multi blade fan † Drain pump Remove the drain pan and float switch 100 No. Part name Procedure Remarks101 102 103 104 209Location Description Model name 105404MUT-E 454MUT-E 564MUT-E 404MUT-TR 454MUT-TR 564MUT-TR 106Location Model name Electric parts401 107108 RAV-SM564BT-E RAV-SM564BT-TR 109110 RAV-SM804BT-E RAV-SM804BT-TR 111112 1104BT-TR 113Location Model name RAV-SM Description 114564BT-E 804BT-E 1104BT-E 1404BT-E 220 264115 Description Model name RAV-SM 116Location 117 Description 564CT-E 804CT-E 1104CT-E 1404CT-E 118Check of Concentration Limit Toshiba Carrier Corporation

CONCEALED DUCK TYPE, CEILING TYPE specifications

Toshiba has long been a name associated with innovative and efficient HVAC solutions, and their Concealed Duck Type, Ceiling Type air conditioning units exemplify this legacy. These units are designed to provide exceptional comfort while seamlessly integrating into a variety of interior spaces.

One of the main features of the Toshiba Concealed Duck Type, Ceiling Type system is its discreet installation method. Unlike traditional wall-mounted units, this system is installed within the ceiling, allowing for an unobtrusive appearance. The result is a clean and modern aesthetic, ideal for residential and commercial settings where design is a priority. With only the supply and return grilles visible, the units maintain the integrity of the interior decor.

The technology employed in Toshiba's air conditioning systems revolves around energy efficiency and user comfort. The units are equipped with inverter technology, which allows for precise temperature control and reduces energy consumption. The inverter adjusts the compressor speed to meet the cooling or heating demand, ensuring not only optimal comfort but also reduced operational costs.

Another significant characteristic of the Toshiba Concealed Duck Type units is their quiet operation. Designed with sound-dampening features, they operate at low noise levels, making them suitable for environments where noise can be a concern, such as offices, hotels, or residential spaces.

Toshiba's advanced air filtration system further enhances indoor air quality. Integrated filters capture dust and allergens, creating a healthier indoor environment. This is particularly beneficial for individuals with allergies or respiratory concerns, as the system works to reduce airborne pollutants.

The units also offer flexible control options. With the availability of remote control or smart home integration, users can easily adjust settings to suit their preferences. Additionally, some models come with programmable timers, allowing for energy savings when the space is unoccupied.

Furthermore, these units are designed for reliability and ease of maintenance. Toshiba emphasizes durability in their construction, and the concealed installation not only enhances aesthetics but also protects the unit from potential damage. Routine maintenance can be performed efficiently, ensuring longevity and sustained performance.

In summary, Toshiba's Concealed Duck Type, Ceiling Type air conditioning units deliver a blend of innovative technology, energy efficiency, and contemporary design. With features like inverter technology, quiet operation, advanced air filtration, and flexible control options, they offer a compelling choice for those seeking comfort without compromising style. These units stand as a testament to Toshiba's commitment to quality and customer satisfaction in the HVAC industry.
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