Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2804AT7ZG, RAV-SM2244AT7Z RAV-SM2244ATseries Simultaneous twin, Simultaneous triple

Models: RAV-SM2244AT8Z-E RAV-SM2804AT7ZG RAV-SM2804AT7 RAV-SM2804AT7Z RAV-SM2244AT7 RAV-SM2804AT8-E RAV-SM2244AT7Z RAV-SM2244AT7ZG RAV-SM2804AT8Z-E RAV-SM2244AT8ZG-E RAV-SM2804AT8ZG-E

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nCombination Pattern (Indoor Unit / Outdoor Unit)

<RAV-SM2244AT series>

Simultaneous twin

	4-way air discharge	Concealed	Ceiling type
	cassette type	duct type	Ceiling type
	cassette type	duct type

	RAV-SM1104UT-E	RAV-SM1102BT-E	RAV-SM1102CT-E

	RAV-SM1104UT-E	RAV-SM1102BT-E	RAV-SM1102CT-E

Simultaneous triple

	4-way air discharge	Concealed	Ceiling type	High wall type
	cassette type	duct type	Ceiling type	(2 series)
	cassette type	duct type		(2 series)

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

Simultaneous double twin

	4-way air discharge	Compact 4-way	Slim duct type	Concealed	Ceiling type	High wall type
	cassette type	cassette (600× 600) type	Slim duct type	duct type	Ceiling type	(2 series)
	cassette type	cassette (600× 600) type		duct type		(2 series)

	RAV-SM564UT-E	RAV-SM562MUT-E	RAV-SM564SDT-E	RAV-SM562BT-E	RAV-SM562CT-E	RAV-SM562KRT-E

	RAV-SM564UT-E	RAV-SM562MUT-E	RAV-SM564SDT-E	RAV-SM562BT-E	RAV-SM562CT-E	RAV-SM562KRT-E

	RAV-SM564UT-E	RAV-SM562MUT-E	RAV-SM564SDT-E	RAV-SM562BT-E	RAV-SM562CT-E	RAV-SM562KRT-E

	RAV-SM564UT-E	RAV-SM562MUT-E	RAV-SM564SDT-E	RAV-SM562BT-E	RAV-SM562CT-E	RAV-SM562KRT-E

<RAV-SM2804AT series> Simultaneous twin

	4-way air discharge	Concealed	Ceiling type
	cassette type	duct type	Ceiling type
	cassette type	duct type

	RAV-SM1404UT-E	RAV-SM1402BT-E	RAV-SM1402CT-E

	RAV-SM1404UT-E	RAV-SM1402BT-E	RAV-SM1402CT-E

Simultaneous triple

	4-way air discharge	Concealed	Ceiling type	High wall type
	cassette type	duct type	Ceiling type	(2 series)
	cassette type	duct type		(2 series)

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

Simultaneous double twin

	4-way air discharge	Concealed	Ceiling type	High wall type
	cassette type	duct type	Ceiling type	(2 series)
	cassette type	duct type		(2 series)

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

	RAV-SM804UT-E	RAV-SM802BT-E	RAV-SM802CT-E	RAV-SM802KRT-E

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Toshiba RAV-SM2804AT7ZG, RAV-SM2244AT7 RAV-SM2244ATseries Simultaneous twin, Simultaneous triple, Simultaneous double twin

Contents

DIGITAL INVERTER OUTDOOR UNITSERVICE MANUAL AIR-CONDITIONERCONTENTS REPLACEMENT OF Indication SAFETY CAUTIONExplanation Mark– 5 – – 6 – 1. Safety Caution Concerned to New Refrigerant • New Refrigerant R410A2.Cautions on Installation/Service 3.Pipe MaterialsGeneral tools Conventional tools can be used 4.ToolsSimultaneous triple RAV-SM2244ATseries Simultaneous twinSimultaneous double twin <RAV-SM2804ATseries> Simultaneous twinRAV-SM2244ATseries – 10 –Branch kit RAV-SM2804ATseries1-1.Indoor Unit 1. SPECIFICATIONS1-1-1. 4-WayCassette Type <Twin type>1-1-2.Duct Type <Twin type> – 12 –1-1-3.Ceiling Type <Twin type> – 13 –1-1-4. 4-WayCassette Type <Triple type> – 14 –1-1-5.Duct Type <Triple type> – 15 –1-1-6.Ceiling Type <Triple type> – 16 –1-1-7.High Wall Type Triple type – 17 –1-1-8. 4-WayCassette Type Double twin type – 18 –Indoor unit – 19 –RAV-SM562MUT-E RAV-SM562MUT-E1-1-10.Slim Duct Type <Double twin type> – 20 –1-1-11.Duct Type <Double twin type> – 21 –1-1-12.Ceiling Type <Double twin type> 1-1-12.High Wall Type Double twin type – 23 –– 24 – 1-2.Outdoor UnitRAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -ECooling <Heating>RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E – 26 –RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG <Cooling>2-1.Outdoor Unit 2. CONSTRUCTION VIEWS EXTERNAL VIEWSRBC-DTWP101ESimultaneous Double Twin – 28 –Branch pipe <Joint pipe><Liquid side> <Gas side>RBC-TRP100ESimultaneous Triple Gas side socketRBC-TWP101ESimultaneous Twin – 30 –<Branch pipe> <Joint pipe>– 31 – 3. OUTDOOR UNIT REFRIGERANTING CYCLE DIAGRAMRAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZGSystematic diagram of refrigerating cycle RAV-SM2244seriesRAV-SM2804series 4-1.Outdoor Unit 4. WIRING DIAGRAM5-1.Outdoor Unit 5. SPECIFICATIONS OF ELECTRICAL PARTSRAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG6-2.Refrigerant Piping Installation 6-1.Safety During Installation/Servicing6. REFRIGERANT R410A 6-2-1.Piping Materials and Joints Used1.Joints 1.Flare Processing Procedures and Precautions6-2-2.Processing of Piping Materials Table 6-2-1Thicknesses of annealed copper pipesFlare and flare nut dimensions for R410A Fig. 6-2-1Flare processing dimensionsFlare and flare nut dimensions for R22 TableNominal 2.Flare Connecting Procedures and PrecautionsOuter diameter Tightening torque6-3.Tools Fig. 6-4-1Configuration of refrigerant charging6-4.Recharging of Refrigerant 6-3-1.Required Tools6-5-2.Flux 1.Reason why flux is necessary 3.Low temperature brazing filler6-5-1.Materials for Brazing 1.Silver brazing filler3.Types of flux 2.Characteristics required for flux6-5-3.Brazing Never use gas other than Nitrogen gas6-6-4.Curing of Pipes 6-6-2.Restricted Items to Use the Existing PipesInstruction of Works If the definite conditions can be cleared– 43 – 6-6-5.Final Installation Checks6-6-7.Recovering Refrigerant Cautions for using existing pipe6-6-6.Handling of Existing Pipe – 44 –– 45 – 7-1.Outdoor Unit Control– 46 – 7-1-2.Print Circuit Board, MCC-1597Fan Motor IPDU– 47 – 7-1-3.Print Circuit Board, MCC-1599Interface CDB– 48 – 7-1-4.Print Circuit Board, MCC-1600Noise Filter2.Discharge temperature release control 7-2.Outline of Main Controls1.PMV Pulse Motor Valve control – 50 – 3.Outdoor fan revolution number control3-1.Cooling fan control 3-2Heating fan control4.Defrost control 5.Short interrupted operation preventive control6.Electrical current release control 8.Electrical current release value shift control 7.Heat sink temperature detection control9.Over-currentprotective control 11.High-pressurerelease control13.Oil recovery control 12.SV2 valve control– 53 – – 54 – 14.Coil heating control8-1.Summary of Troubleshooting 8. TROUBLESHOOTING1. Before troubleshooting 2. Troubleshooting procedure2.Troubleshooting procedure 1. Before troubleshooting<Wireless remote controller type> – 56 –8-2-1.Outline of judgment 8-2.TroubleshootingLamp indication – 58 –Check code Cause of trouble occurrence– 59 – 8-2-2.Others Other than Check CodePage Page – 62 – Operation of diagnostic function Error mode detected by indoor unitJudgment and measures Cause of operation– 64 – Error mode detected by outdoor unitCheck code Operation of diagnostic functionJudgment and measures Indoor unit– 66 – <Latest error display> Dip switch setup<Error display, which occurs at present> LED display on outdoor P.C. boardPage – 69 – – 70 – – 71 – – 72 – ¡l l l – 74 – – 75 – – 76 – – 77 – Check and troubleshootingCheck Outdoor– 78 – TA, TC, TCJ, TE, TS, TO sensors Temperature sensorTD, TL sensors TA, TC, TCJ, TE, TS, TO sensorsProcedure <Contents>4 seconds or more to call the service check mode REQUIREMENTnIndoor unit power-ONsequence – 82 – 9-3.Outdoor Unit1.Outline D805 D804 D803 D802 D801 D800Operation part Display part1.Selection of LED display SW800, SW803 operation 9-3-3.Others– 84 – 1Display selection listlllll¡ lllll¡ – 87 – <Specific operation>SW804 SW804 – 88 –10-1.Address Setup Procedure 10. ADDRESS SETUP10-2.Address Setup & Group Control 10-2-1.System Configuration<Terminology> Example – 91 –Change is necessary – 92 –Wiring diagram 10-3.Remote Controller WiringSimultaneous twin system Simultaneous triple and double twin system2, 5, 3, 6, 9 4, 7,1 2 3 4 5 6 7 8 9 10 11 END 1 2 END 1 2 3 END10-5.Confirmation of Indoor Unit No. Position – 96 – <Maintenance/Check list>1 ACCESSORY PARTS Contents3 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER 2 SAFETY PRECAUTIONS– 98 – Digital Inverter„Required Tools/Equipment and Precautions for Use 4 INSTALLATION CONDITIONS„Before installation Electrical wiring„Necessary Space for Installation Unit: mm „Installation LocationDigital Inverter Digital Inverter„Optional Installation Parts Locally procured „Installation of Outdoor UnitSerial installation in front and rear Knockout procedure„Tightening of Connecting Part „Connecting the Gas Side PipeBranch pipe installation „Branch Pipe„Refrigerant Pipe Length 6 AIR PURGING„Airtight Test „Air PurgeRefrigerant replenishing procedure „How to Open the Valve„Insulating the Pipes „Replenishing Refrigerant„Power and Wiring Specifications „ Wiring between Indoor Unit andDigital Inverter How to wire Wiring diagramStripping length power cord and connecting wire 11 ANNUAL MAINTENANCE9 FINISHING 10 TEST RUN„Recovering Refrigerant 14 TROUBLESHOOTINGCautions for using existing pipe 13 FUNCTIONS TO BE IMPLEMENTED LOCALLYDigital Inverter 15 APPENDIXD805 D804Existing pipe SW Digital InverterPage 13. HOW TO EXCHANGE COMPRESSOR 13-1.Exchanging Procedure of Compressor Outline13-2.Exchange of Compressor 1.Detachment RAV-SM224, RAV-SM280series2.Attachment 1. Detachment– 113 – Procedure1. Detachment 2. Attachment2. Attachment – 114 –– 115 – 1. Detachment2. Attachment – 116 – DetachmentAttachment – 117 – 1. Detachment2. Attachment of Inverter Assembly front Procedure– 118 – 1. Detachment– 119 – 9Compressor 1. Detachment2. Attachment – 120 – 10Fan motor 1. Detachment2. Attachment – 121 – ProcedureNo. Part name <Compressor terminal>3.Vacuuming 11Compressor 2. Attachment4.Refrigerant charge 12Pulse motor 1. Detachment123 13Fan guard 1. Detachment2. Attachment 15-1.Outdoor Unit 15. EXPLODED VIEWS AND PARTS LIST– 125 – 15-2.Inverter Assembly – 127 – 15-3.Outdoor Unit – 129 – 15-4.Inverter Assembly Location – 131 –Model name RAV-SMCheck of Concentration Limit WARNINGS ON REFRIGERANT LEAKAGETOSHIBA CARRIER CORPORATION