Toshiba RAV-SM1403AT-E1 service manual Undertake the work

Page 7

WARNING

 

The appliance shall be installed in accordance with national wiring regulations. Capacity shortages of

 

the power circuit or an incomplete installation may cause an electric shock or 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

General

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.

 

 

 

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.

 

 

 

When transporting the air conditioner, use a forklift and when moving the air conditioner by hand,move

 

the unit with 4 people.

 

 

 

Do not customize the product. Doing so may result in electric shock or other failure.

 

 

 

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.

 

 

Check earth

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

 

Be sure to connect earth wire. (Grounding work) Incomplete grounding causes an electric shock.

wires.

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

Prohibition of

shock or injury.

 

modification.

 

 

 

 

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

Use specified

Manual). Use of any parts which do not satisfy the required specifications may give rise to electric

shocks, smoking and/or a fire.

parts.

 

 

 

 

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

Do not bring a

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

child close to

shocks if this warning is not heeded.

the equipment.

 

 

Connect the cut-off lead wires with crimp contact, etc, put the closed end side upward and then apply

Insulating

a water-cut method, otherwise a leak or production of fire is caused at the users’ side.

 

measures

 

 

 

 

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.

 

1) Be attentive to fire around the cycle.

 

When using a gas stove, etc, be sure to put out fire before work; otherwise the oil mixed with

No fire

refrigerant gas may catch fire.

2) Do not use a welder in the closed room. When using it without ventilation, carbon monoxide

 

poisoning may be caused.

 

3) Do not bring inflammables close to the refrigerant cycle, otherwise fire of the welder may catch the

 

inflammables.

 

 

 

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Contents RAV-SM1103AT-E1 RAV-SM1403AT-E1 Contents Original instruction Indication Explanation Explanation of indicationsExplanation of illustrated marks Work undertaken Protective gear wornDescription Confirmation of warning label on the main unitPrecaution for Safety Undertake the work Refrigerant used by this air conditioner is the R410A Properly DI series Explanations given to userRelocation Model names with a rating of 12 kW and below outdoor unitsFlare nut Safety Caution Concerned to New RefrigerantPipe Materials Copper pipe PipingGeneral tools Conventional tools can be used ToolsDigital Inverter Outdoor UnitCooling Heating Operation Characteristic CurveCapacity variation ratio according to temperature Operation Characteristic Curve Digital InverterRAV-SM1103AT-E1, RAV-SM1403AT-E1 Construction Views External ViewsModel RBC RBC-TWP30E2, RBC-TWP50E2 Simultaneous TwinOutdoor unit RAV-SM1103AT-E1 Wiring Diagram Specifications of Electric Parts Copper Pipes Safety During Installation/ServicingRefrigerant Piping Installation Piping Materials and Joints UsedJoints Flare Processing Procedures and PrecautionsProcessing of Piping Materials R410A R22 R410A, R22 Clutch type Wing nut type 3 Dimensions related to flare processing for R410A / R22Flare and flare nut dimensions for R410A Flare and flare nut dimensions for R22Nm kgfm Flare Connecting Procedures and PrecautionsWrenches available on the market Required Tools Recharging of RefrigerantMaterials for Brazing Silver brazing filler Low temperature brazing fillerFlux Reason why flux is necessary Brazing of PipesBrazing Characteristics required for fluxTypes of flux Piping materials for brazing and used brazing filler/fluxBranching Pipe for Simultaneous Operation System Instructions for Re-use Piping of R22 or R407CBasic Conditions Needed to Reuse the Existing Pipe Restricted Items to Use the Existing PipesYES Final Installation ChecksReference outside diameter Wall thickness Handling of Existing PipeCN806 Outline of Main Controls Pulse Modulating Valve PMV control Discharge temperature release controlAllocations of fan tap revolutions rpm Current release controlOutdoor fan control Cooling fan controlDefective to sensor Coil heating controlHeating fan control Normal timeDefrost control Current release value shift controlCurrent release control value Start of heating operation High-pressure switchAt normal to At error to Zone Control of compressor case thermoWired remote controller type Summary of TroubleshootingBefore troubleshooting Troubleshooting procedureTrouble Confirmation of lamp display Wireless remote controller typeOutline of judgment TroubleshootingLamp indication Check code Cause of trouble occurrence Others Other than Check CodePushing Test button returns the status to the usual display ContentsIndication Check Code List OutdoorCentral control indication Remote controller TCJ Error mode detected by indoor unitAfter Error mode detected by outdoor unitAfter Series Operation of diagnostic function Judgment and measures Contents Error Display Display of the latest error Diagnostic Procedure for Each Check Code Outdoor UnitYES Case thermostat operation E04F06 Heat exchanger temp. sensor TE errorF13 Heat sink temp. sensor TH error F12 Suction temp. sensor TS errorF15 Miswiring of heat exchanger sensor TE, TS H02 Compressor lock H01 Compressor break downL10 P03 Discharge temp. errorPower supply error Vdc, High pressure protective operation High pressure SW system errorP15 Gas leak detection P07 Heat sink overheat errorWay valve reversal error Check Code P19 Outdoor Check and troubleshooting LED displayOpen valve fully Single operation check for outdoor fan MethodPosition detection circuit error TA, TC, TCJ, TE, TS, to sensors Temperature sensorTA, TC, TCJ, TE, TS, to sensors Representative value TD, TL sensors Representative valuePosition Parts name Checking procedureTable Inspection of outdoor unit main parts Resistance valueGroup Control Operation Calling of Error HistoryContents ProcedureUsual regular Communication „ Indoor unit power-ON sequenceBy feed unit Automatic address judgment Initial communicationRefrigerant recovery control Service switch SW800, SW801 operationsOutdoor Unit Service switch setting Case to return the setting to one at shipment from factory LED display switching Display switching list Error display ON, OFF, Slow flashing Once/second Open PMV Electronic expansion valve fully Applicable Control of Outdoor unit Address Setup Procedure Address SetupSystem Configuration Address Setup & Group ControlTerminology Only turning on source power supply Automatic completion Automatic Address Example from Unset Address No miswiringStandard One outdoor unit Single Twin Single system Simultaneous twin system Remote Controller WiringWiring diagram Address Setup Manual setting from remote controllerButton Confirmation of Indoor Unit No. PositionTo know the position of indoor unit body by address Maintenance/Check listInstalling the P.C. board Setting the jumper wiresRemoving the P.C. board Exchange of Compressor Exchanging Procedure of Compressor OutlineDetachments Discharge port Part name Procedure Remarks Perform works of 1 of c, 2 of f Propeller fan When reconnecting the lead wires to Pulse Modulating Product Exploded Views and Parts List RAV Inverter assembly Toshiba Carrier Corporation

RAV-SM1403AT-E1 specifications

The Toshiba RAV-SM1403AT-E1 is a state-of-the-art air conditioning system designed for residential and commercial applications. Its advanced features and cutting-edge technology ensure optimal cooling and heating performance, making it a popular choice among consumers and businesses alike.

One of the standout characteristics of the RAV-SM1403AT-E1 is its energy efficiency. This model is equipped with a highly efficient inverter compressor that adjusts its output based on the cooling load required, which results in significant energy savings compared to traditional air conditioning systems. Its impressive Seasonal Energy Efficiency Ratio (SEER) ratings highlight its ability to provide effective climate control while minimizing electricity consumption.

The RAV-SM1403AT-E1 utilizes Toshiba’s innovative DC inverter technology, which allows for smoother and quieter operation. This means that users can enjoy a comfortable indoor environment without the disruptive noise often associated with conventional models. In addition to its quiet operation, this air conditioner also features an advanced air filtration system that helps to maintain indoor air quality by removing dust, allergens, and other pollutants.

Another major feature of this system is its versatility in installation. The RAV-SM1403AT-E1 can be installed in various configurations, allowing it to adapt to different spaces and design requirements. It supports multiple indoor units that can be connected to a single outdoor unit, providing flexibility for cooling or heating multiple areas simultaneously.

Smart technology is also integrated into the RAV-SM1403AT-E1. Users can take advantage of remote control options, including Wi-Fi capabilities that allow for convenient management of the air conditioning system via smartphones or tablets. This level of control ensures that users can adjust settings even when they are not present, increasing comfort and efficiency.

The build quality of the Toshiba RAV-SM1403AT-E1 reflects its durability and reliability. Designed to withstand varying environmental conditions, it includes corrosion-resistant features that extend the lifespan of the unit, making it a practical investment for both home and commercial use.

In summary, the Toshiba RAV-SM1403AT-E1 combines energy efficiency, advanced technology, and flexible installation options, making it an excellent choice for those seeking a high-performance air conditioning solution. With its innovative features and commitment to sustainability, this model stands out in the competitive HVAC market.