Indoor Print Circuit Board, <MCC-1403>

Power supply

Power transformer (Primary side) (AC240V)

Power transformer (Secondary side) (AC11V, 14V, 20V)

	PMV output
Microcomputer
operation LED	EEPROM

Indoor/Outdoor communication (Spare)

Indoor/Outdoor communication (Also used for communication of the central control system)

<MCC-1403>

RAV-SM1403DT-A, RAV-SM1603DT-A

7-4. Indoor Print Circuit Board

– 60 –

Drain pump output

Optional power supply

AC fan output

Remote controller power supply LED

Optional output

Remote controller inter-unit wire

EXCT		Outside	TCI sensor
TA sensor		Outside
TA sensor		error input		DISP
		error input	TC2 sensor
			TC2 sensor
Filter/Option error input				Used for servicing
Filter/Option error input				CHK
			TCJ sensor
Float SW				∗ 1 No function
∗	Short plug is inserted			∗ 1 No function

Page 60

Image 60

Toshiba RAV-SM1603ATZG-E, RAV-SM1603ATZ-E Indoor Print Circuit Board, <MCC-1403>, RAV-SM1403DT-A, RAV-SM1603DT-A

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

Toshiba service manual Indoor Print Circuit Board, , RAV-SM1403DT-A, RAV-SM1603DT-A

Models: RAV-SM1403DT-A RAV-SM1603ATZ-E RAV-SM1603ATZG-E RAV-SM1603DT-A

<MCC-1403>

RAV-SM1403DT-A, RAV-SM1603DT-A

7-4. Indoor Print Circuit Board

– 60 –