144 | Toshiba RAV-SM1603DT-A, RAV-SM1603ATZG-E, RAV-SM1603ATZ-E

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No.	Part name		Procedure		Remarks

8	Replacement of	1. Detachment		Electric parts box (A) Terminal block
	electric parts	1)	Carry out works of 1 of 1 , 3 and 4 .	Electric parts box (A) Terminal block
	electric parts
	IPDU P.C. board
	IPDU P.C. board	2)	Remove the lead wire connected to the terminal
			block. (IPDU crossover wire, reactor lead wire)
		3)	Remove the lead wire connected to the noise filter.
			(Fuse crossover wire, power supply crossover wire)
				IPDU	Reactor
				crossover wire	lead wire

	Fuse		Power supply
	crossover wire		crossover wire
4) Close CDB part. (Tentative fixing with supporter)	4-way valve	Serial crossover wire

5)Remove the connector connected to CDB board. (Serial, lower fan motor, 4-way valve coil, PMV coil,

	compressor case thermostat, temperature sensor,	Power
	IPDU crossover wire, DC15V, DC280V)	supply
	IPDU crossover wire, DC15V, DC280V)
6)	Cut the bundling band which binds the serial lead		Bundling
	wires.		band
7)	Remove the connector connected to IPDU P.C. board.		PMV
	(Power supply)	Lower	PMV
8)	Carry out works of 5) and 8) of 7 .	fan motor
		IPDU	Compressor
		crossover wire	case thermostat
		Temperature sensor

9)Remove screws to connect the electric parts box and screws of the terminal block mounting plate.

(BT2T Ø4 × 6, 3 pcs.)

10)Pull up the electric parts box to separate the unit at

CDB side.

Screws

11)Remove the compressor lead wire.

12)Remove IGPT fixing screws. (B Ø4 × 15, 2 pcs.)

13)Remove screws which fix the P.C. board.

	(TT2P Ø3 × 18, 2 pcs.)
14)	Remove IPDU P.C. board. (Supporter: 2 positions)
15)	Remove lead wires connected to P.C. board.	P.C. board
		P.C. board
		fixing screws

	Compressor	IGBT
	lead wires	fixing screws
16) Mount a new IPDU P.C. board.		IGBT
(Apply silicon grease to surface to be contacted with
IGBT heat sink.)	Silicon grease
	Silicon grease

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Image 144

Toshiba RAV-SM1603DT-A, RAV-SM1603ATZG-E, RAV-SM1603ATZ-E, RAV-SM1403DT-A service manual 144

Contents

OUTDOOR UNIT <DIGITAL INVERTER> INDOOR UNIT <DIGITAL INVERTER>FILE NO. A07-009 SERVICE MANUAL CONTENTS SAFETY CAUTIONSPECIFICATIONS WIRING DIAGRAM 6. REFRIGERANT R410A 7. INDOOR CONTROL CIRCUIT DANGER Explanation of indicationsExplanation of illustrated marks Confirmation of warning label on the main unit – 5 – – 6 – 1. Safety Caution Concerned to New Refrigerant 2.Cautions on Installation/Service• New Refrigerant R410A 3.Pipe Materials 4.Tools General tools Conventional tools can be used 1. SPECIFICATIONS 1-1.Indoor Unit– 9 – 1-1-1.High Static Duct Type <Single type> – 10 – Indoor unitSM1604UT-E Outdoor unit <Twin type> – 12 – <Tripletype> – 13 – 1-1-3.Concealed Duct Type <Twin type> <Triple type> – 15 – 1-1-4.Under Ceiling Type <Twin type> – 16 – <Tripletype> 1-1-5.High Wall Type Twin type – 18 – <Tripletype> 1-1-6.Compact 4-wayCassette 600 × 600 Type Tripletype 1-1-7.Slim Duct Type – 20 –<Triple type> 1-2.Outdoor Unit – 21 –RAV-SM1603ATZZG-E 1-3.Operation Characteristic Curve • Operation characteristic curve– 22 – RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E 2. CONSTRUCTION VIEWS EXTERNAL VIEWS 2-1.Indoor UnitService work space – 23 – Outdoor Unit SM1603ATZ-ESM1603AT-E,RAV – 25 – RBC-TWP30E2, RBC-TWP50E2Simultaneous Twin <Gas side> RBC-TRP100ESimultaneous TripleGas side socket Liquid side socket 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1.Indoor UnitDimension table Capillary tube specifications •Single type Systematic Diagram of Refrigerating Cycle 3-2.Outdoor Unit– 29 – RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E 4. WIRING DIAGRAM 4-1.Indoor Unit– 30 – RAV-SM1403DT-A, RAV-SM1603DT-A • Single type • Twin type• Triple type – 31 – 4-2.Outdoor Unit – 32 –RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E 4-3.Fan Characteristics REQUIREMENTnWire connection change of fan motor – 33 – 5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1.Indoor Unit5-2.Outdoor Unit – 34 – 6-1.Safety During Installation/Servicing 6-2.Refrigerant Piping Installation6. REFRIGERANT R410A 6-2-1.Piping Materials and Joints Used 6-2-2.Processing of Piping Materials – 36 –Table 6-2-1Thicknesses of annealed copper pipes Thickness mm Fig. 6-2-1Flare processing dimensions Flare and flare nut dimensions for R410AFlare and flare nut dimensions for R22 Table – 38 – NominalOuter diameter Tightening torque 6-3.Tools 6-4.Recharging of RefrigerantFig. 6-4-1Configuration of refrigerant charging 6-3-1.Required Tools 6-5.Brazing of Pipes 6-5-2.Flux 1.Reason why flux is necessary6-5-1.Materials for Brazing 1.Silver brazing filler 2.Characteristics required for flux 3.Types of flux6-5-3.Brazing 1.Brazing method to prevent oxidation 6-6.Instructions for Re-usePiping of R22 or R407C 6-6-4.Curing of PipesPage Cautions for using existing pipe 6-6-6.Handling of Existing Pipe– 44 – RAV-SP1404AT-E, RAV-SP1404ATZ-E, RAV-SP1404ATZG-E 6-6-7.Recovery Method of Refrigerant ProcedureProcedure DANGER 6-7.Tolerance of Pipe Length and Pipe Head n Twin systemIndoor unit A Indoor unit B Outdoor unit n Triple system – 47 –Indoor unit A Indoor unit C 6-8.Additional Refrigerant Amount nTwin system– 48 – Indoor unit A Indoor unit B nTriple system – 49 –Indoor unit A Indoor unit C 6-9.Piping Materials and Sizes nTwin systemnTriple system – 50 – OKOK NO GOOG6-10.Branch Pipe 6-11.Distributor 7-1.Indoor Controller Block Diagram 7-1-1.Connection of Main Sub Remote Controller7. INDOOR CONTROL CIRCUIT – 52 – 7-2.Control Specifications Outline of specifications– 53 – Item Outline of specifications – 54 –Item Remarks Outline of specifications – 55 –Item Remarks Outline of specifications K 2 J– 56 – Remarks Outline of specifications Setup at shipment– 57 – Item Outline of specifications – 58 –Item – 59 – ∗This option is not provided to oversea models 7-4.Indoor Print Circuit Board – 60 –<MCC-1403> RAV-SM1403DT-A, RAV-SM1603DT-A 7-5.Outdoor Print Circuit Board – 62 – Noise filter P.C. board <MCC-1551> – 63 – <MCC-1531> 8-1.Outdoor Controls REQUIREMENT8-1-1.Outline of Main Controls 1.Pulse Motor Valve PMV control 4. Outdoor fan control Operation with WE– 65 – Allocations of fan tap revolutions rpm REQUIREMENT 5.Coil heating control– 66 – In trouble of TO sensor 6.Short intermittent operation preventive control 7.High pressure restraint TE control8.Over-currentprotective control 9.Current release value shift control 10. Defrost control Start of heating operation 9. INDOOR UNIT TROUBLESHOOTING 9-1.Summary of Troubleshooting1. Before troubleshooting 2. Troubleshooting procedure 9-2.Troubleshooting 9-2-1.Check Code List Indoor Error mode detected by indoor unit – 71 – – 72 – Check code E01 error E09 error E04 error E10 error– 74 – E18 error E08, L03, L07, L08 errorL09 error – 75 – L20 error L30 errorP30 error Central controller – 76 – P10 error F10 error– 77 – P19 error Exchange to cooling cycleExchange to heating cycle F02 error F01 error– 79 – C06 error TCC-LINKcentral controller – 80 – E03 error Master indoor unit F29 errorP31 error Follower indoor unit – 81 – Temperature sensor TA, TC, TCJ, TE, TS, TO sensorsTD, TL sensors TA, TC, TCJ, TE, TS, TO sensors 10. OUTDOOR UNIT TROUBLESHOOTING 10-1.Summary of Troubleshooting1. Before troubleshooting 2. Troubleshooting procedure 2.Troubleshooting procedure 1. Before troubleshooting<Wireless remote controller type> – 84 – 10-2.Troubleshooting 10-2-1.Outline of Judgment– 85 – Lamp indication Check codeCause of trouble occurrence New Check Code <Display on wired remote controller><Display on wireless sensor> 10-2-2.Others Other than Check Code 10-2-3.Check Code List Outdoor – 88 – – 89 – Error mode detected by indoor unit – 90 – Operation. of diagnostic function – 91 –Judgment and measures Cause of operation Error mode detected by outdoor unit – 92 – – 93 – Page Check code E01 error E09 error– 95 – E04 error – 96 – E10 error E18 errorE08, L03, L07, L08 error – 97 – L09 error L20 errorL30 error – 98 – b7 error Central controller P01 error P10 error F10 error– 100 – P12 error – 101 – P22 error CN301, ∗ CN303 CN300– 102 – RAV-SM160AT-E P19 error F02 error103 F01 error P26 error– 104 – P29 error F06 errorP04 error 105 F08 error L29 errorH02 error – 106 – P03 error H01 error– 107 – P04 error – 108 – 97 error Central controller – 109 – E03 error Master indoor unit F29 error / 12 errorP31 error Sub indoor unit – 110 – – 111 – TA sensorTC, TCJ sensor Caracteristics-1Page 1 Setting data read out from EEPROM – 113 –CODE No. required at least 3 Writing the setting data to EEPROM 3 6 5– 114 – Step 115 TableTable 2. Type: CODE No. Table 3. Indoor unit capacity: CODE No. 12. SETUP AT LOCAL SITE AND OTHERS 12-1.Indoor Unit12-1-1.Test Run Setup on Remote Controller <Wired remote controller> 3 6 1 4 5 21 2 3 4 5 6 END 1.D02 Red Contents 118Function selection item No. DN list At shipment from factory Setup method Wired remote controller– 119 – Operation 2 4 1 <Contents><Procedure> call the service monitor mode nCalling of error history <Contents>Procedure 4 seconds or more to call the service check mode nIndoor unit power-ONsequence which receives power feed from outdoor unit><Automatic address judgment> <By indoor unit 12-2.Setup at Local Site / Others 2. Microprocessor block diagram3. TCC-LINKwiring connection 1. Function 4. Wiring specifications 5. P.C. board switch SW01 setup– 124 – 6. External view of P.C. board assembly 7. Address setup12-3.How to Set up Central Control Address Number 1 2 3 4 – 126 – Push UNIT LOUVER button for 4 seconds or more 13. ADDRESS SETUP 13-1.Address Setup Procedure– 127 – 13-2.Address Setup & Group Control 13-2-1.System Configuration– 128 – <Terminology> – 129 – Example Change is necessary 2, 5, 3, 6, 9 41 2 3 4 5 6 7 8 9 10 11 END 1 2 END 1 2 3 ENDnConfirmation of indoor unit No. position <Procedure> 2. How to replace the parts 14. DETACHMENTS14-1.Indoor Unit REQUIREMENT Work procedure 2. How to replace the parts Continued Work procedure– 134 – Explanatory drawing 2. How to replace the parts Continued Work procedure– 135 – 4. How to replace the parts Work procedureREQUIREMENT – 136 – 4. How to replace the parts Continued Work procedure– 137 – Explanatory drawing 5.Assembling work after replacing fan motor 4. How to replace the parts ContinuedWork procedure – 138 – 6. How to replace the sensor Work procedure– 139 – 6. How to replace the sensor Continued 7. How to clean the drain portWork procedure Work procedure 14-2.Outdoor Unit – 141 –XREQUIREMENTX XREQUIREMENTX Procedure – 142 –Part name CDB board – 143 – 144 – 145 – XCAUTIONXXREQUIREMENTX – 146 – XREQUIREMENTX – 147 – XWARNINGXX CAUTIONX X CAUTIONX – 148 – 2. Mounting of compressor3. Vacuuming 4. Refrigerant charge 149 XREQUIREMENTXXREQUIREMENTX 1. Detachment 15. EXPLODED VIEWS AND PARTS LIST 15-1Indoor Unit – 150 – 151 LocationPart No Description – 152 – RAV-SM1403DT-A, RAV-SM1603DT-ALocation Part No 15-2.Outdoor Unit 154 LocationDescription Model Name 716, WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit TOSHIBA CARRIER CORPORATION