Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2244AT8Z-E, RAV-SM2804AT8ZG-E 120, 10Fan motor 1. Detachment, Attachment

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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Page 120

10Fan motor 1. Detachment

No. Part name

Procedure

Remarks

10Fan motor 1. Detachment

1)	Carry out the operation in 1. of Q , 1. of R and	Flange nut	Turn to right
1)	Carry out the operation in 1. of Q , 1. of R and		to loosen
	1. of S above.		to loosen
	1. of S above.
2)	Remove the flange nut fixing the fan motor and the
	propeller fan.
	• The flange nut is loosened by turning to the right.
	(When tightening, turn it to the left)

3)Remove the propeller fan.

4)Remove the connector for the fan motor from the inverter.

5)Remove the fan motor lead from the fan motor lead fixing rubber member of the through section of the partitioning board.

6)Remove the fixing screws (4 pieces) while support-

ing the fan motor so that it does not fall.	Propeller fan

2. Attachment

1)Mount the fan motor.

2)Mount the individual components in the opposite procedure to that during detachment

∗Points to note when assembling fan motor

•Tighten the flange nut with 4.9N•m (50kgf•cm).

•Adjust length of the fan motor lead at the fan motor lead fixing rubber member so that the fan

motor lead is not slack in order to avoid contact	Fan motor
of the fan motor lead with the propeller fan.
Attach the motor lead fixing rubber member to
the partition board so that the projection is on
the refrigerating cycle side.
• Ensure that the heat exchanger does not come
into contact with the fan motor lead.



		CAUTION

	Ensure affixation of the fan motor lead to the motor				Fan motor lead fixing rubber (upper)
	base using a metal band of the motor base and a				(mount so that the projection abuts with this side)
	commercially available bundling band so that the fan
	motor lead does not come to contact with the
	propeller fan.

Fan motor lead fixing rubber (lower)

(mount so that the projection abuts with this side)

Motor base

Metal band fixing

Bundling band fixing

Metal band fixing

Bundling band fixing

– 120 –

Image 120

Toshiba RAV-SM2244AT8Z-E, RAV-SM2804AT8ZG-E, RAV-SM2244AT8ZG-E, RAV-SM2804AT8Z-E 120, 10Fan motor 1. Detachment, Attachment

Contents

OUTDOOR UNIT DIGITAL INVERTERSERVICE MANUAL AIR-CONDITIONERCONTENTS REPLACEMENT OF SAFETY CAUTION IndicationExplanation Mark– 5 – – 6 – • New Refrigerant R410A 1. Safety Caution Concerned to New Refrigerant2.Cautions on Installation/Service 3.Pipe Materials4.Tools General tools Conventional tools can be usedRAV-SM2244ATseries Simultaneous twin Simultaneous tripleSimultaneous double twin <RAV-SM2804ATseries> Simultaneous twin– 10 – RAV-SM2244ATseriesBranch kit RAV-SM2804ATseries1. SPECIFICATIONS 1-1.Indoor Unit1-1-1. 4-WayCassette Type <Twin type>– 12 – 1-1-2.Duct Type <Twin type>– 13 – 1-1-3.Ceiling Type <Twin type>– 14 – 1-1-4. 4-WayCassette Type <Triple type>– 15 – 1-1-5.Duct Type <Triple type>– 16 – 1-1-6.Ceiling Type <Triple type>– 17 – 1-1-7.High Wall Type Triple type– 18 – 1-1-8. 4-WayCassette Type Double twin type– 19 – Indoor unitRAV-SM562MUT-E RAV-SM562MUT-E– 20 – 1-1-10.Slim Duct Type <Double twin type>– 21 – 1-1-11.Duct Type <Double twin type>1-1-12.Ceiling Type <Double twin type> – 23 – 1-1-12.High Wall Type Double twin type1-2.Outdoor Unit – 24 –RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZGCooling <Heating>– 26 – RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -ERAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG <Cooling>2. CONSTRUCTION VIEWS EXTERNAL VIEWS 2-1.Outdoor Unit– 28 – RBC-DTWP101ESimultaneous Double TwinBranch pipe <Joint pipe><Gas side> <Liquid side>RBC-TRP100ESimultaneous Triple Gas side socket– 30 – RBC-TWP101ESimultaneous Twin<Branch pipe> <Joint pipe>3. OUTDOOR UNIT REFRIGERANTING CYCLE DIAGRAM – 31 –RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZGSystematic diagram of refrigerating cycle RAV-SM2244seriesRAV-SM2804series 4. WIRING DIAGRAM 4-1.Outdoor Unit5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1.Outdoor UnitRAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG6-1.Safety During Installation/Servicing 6-2.Refrigerant Piping Installation6. REFRIGERANT R410A 6-2-1.Piping Materials and Joints Used1.Flare Processing Procedures and Precautions 1.Joints6-2-2.Processing of Piping Materials Table 6-2-1Thicknesses of annealed copper pipesFig. 6-2-1Flare processing dimensions Flare and flare nut dimensions for R410AFlare and flare nut dimensions for R22 Table2.Flare Connecting Procedures and Precautions NominalOuter diameter Tightening torqueFig. 6-4-1Configuration of refrigerant charging 6-3.Tools6-4.Recharging of Refrigerant 6-3-1.Required Tools3.Low temperature brazing filler 6-5-2.Flux 1.Reason why flux is necessary6-5-1.Materials for Brazing 1.Silver brazing filler2.Characteristics required for flux 3.Types of flux6-5-3.Brazing Never use gas other than Nitrogen gas6-6-2.Restricted Items to Use the Existing Pipes 6-6-4.Curing of PipesInstruction of Works If the definite conditions can be cleared6-6-5.Final Installation Checks – 43 –Cautions for using existing pipe 6-6-7.Recovering Refrigerant6-6-6.Handling of Existing Pipe – 44 –7-1.Outdoor Unit Control – 45 –7-1-2.Print Circuit Board, MCC-1597Fan Motor IPDU – 46 –7-1-3.Print Circuit Board, MCC-1599Interface CDB – 47 –7-1-4.Print Circuit Board, MCC-1600Noise Filter – 48 –2.Discharge temperature release control 7-2.Outline of Main Controls1.PMV Pulse Motor Valve control 3.Outdoor fan revolution number control – 50 –3-1.Cooling fan control 3-2Heating fan control4.Defrost control 5.Short interrupted operation preventive control6.Electrical current release control 7.Heat sink temperature detection control 8.Electrical current release value shift control9.Over-currentprotective control 11.High-pressurerelease control13.Oil recovery control 12.SV2 valve control– 53 – 14.Coil heating control – 54 –8. TROUBLESHOOTING 8-1.Summary of Troubleshooting1. Before troubleshooting 2. Troubleshooting procedure1. Before troubleshooting 2.Troubleshooting procedure<Wireless remote controller type> – 56 –8-2.Troubleshooting 8-2-1.Outline of judgment– 58 – Lamp indicationCheck code Cause of trouble occurrence8-2-2.Others Other than Check Code – 59 –Page Page – 62 – Error mode detected by indoor unit Operation of diagnostic functionJudgment and measures Cause of operationError mode detected by outdoor unit – 64 –Operation of diagnostic function Check codeJudgment and measures Indoor unit– 66 – Dip switch setup <Latest error display><Error display, which occurs at present> LED display on outdoor P.C. boardPage – 69 – – 70 – – 71 – – 72 – ¡l l l – 74 – – 75 – – 76 – Check and troubleshooting – 77 –Check Outdoor– 78 – Temperature sensor TA, TC, TCJ, TE, TS, TO sensorsTD, TL sensors TA, TC, TCJ, TE, TS, TO sensors<Contents> Procedure4 seconds or more to call the service check mode REQUIREMENTnIndoor unit power-ONsequence 9-3.Outdoor Unit – 82 –D805 D804 D803 D802 D801 D800 1.OutlineOperation part Display part9-3-3.Others 1.Selection of LED display SW800, SW803 operation– 84 – 1Display selection listlllll¡ lllll¡ – 87 – <Specific operation>SW804 – 88 – SW80410. ADDRESS SETUP 10-1.Address Setup Procedure10-2.Address Setup & Group Control 10-2-1.System Configuration<Terminology> – 91 – Example– 92 – Change is necessary10-3.Remote Controller Wiring Wiring diagramSimultaneous 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 <Maintenance/Check list> – 96 –Contents 1 ACCESSORY PARTS2 SAFETY PRECAUTIONS 3 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER– 98 – Digital Inverter4 INSTALLATION CONDITIONS „Required Tools/Equipment and Precautions for Use„Before installation Electrical wiring„Installation Location „Necessary Space for Installation Unit: mmDigital Inverter Digital Inverter„Installation of Outdoor Unit „Optional Installation Parts Locally procuredSerial installation in front and rear Knockout procedure„Connecting the Gas Side Pipe „Tightening of Connecting PartBranch pipe installation „Branch Pipe6 AIR PURGING „Refrigerant Pipe Length„Airtight Test „Air Purge„How to Open the Valve Refrigerant replenishing procedure„Insulating the Pipes „Replenishing Refrigerant„ Wiring between Indoor Unit and „Power and Wiring SpecificationsDigital Inverter How to wire Wiring diagram11 ANNUAL MAINTENANCE Stripping length power cord and connecting wire9 FINISHING 10 TEST RUN14 TROUBLESHOOTING „Recovering RefrigerantCautions for using existing pipe 13 FUNCTIONS TO BE IMPLEMENTED LOCALLY15 APPENDIX Digital InverterD805 D804Digital Inverter Existing pipe SWPage 13. HOW TO EXCHANGE COMPRESSOR 13-1.Exchanging Procedure of Compressor Outline13-2.Exchange of Compressor RAV-SM224, RAV-SM280series 1.Detachment2.Attachment 1. DetachmentProcedure – 113 –1. Detachment 2. Attachment– 114 – 2. Attachment– 115 – 1. Detachment2. Attachment – 116 – DetachmentAttachment – 117 – 1. Detachment2. Attachment Procedure of Inverter Assembly front– 118 – 1. Detachment– 119 – 9Compressor 1. Detachment2. Attachment – 120 – 10Fan motor 1. Detachment2. Attachment Procedure – 121 –No. Part name <Compressor terminal>11Compressor 2. Attachment 3.Vacuuming4.Refrigerant charge 12Pulse motor 1. Detachment123 13Fan guard 1. Detachment2. Attachment 15. EXPLODED VIEWS AND PARTS LIST 15-1.Outdoor Unit– 125 – 15-2.Inverter Assembly – 127 – 15-3.Outdoor Unit – 129 – 15-4.Inverter Assembly – 131 – LocationModel name RAV-SMWARNINGS ON REFRIGERANT LEAKAGE Check of Concentration LimitTOSHIBA CARRIER CORPORATION