Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SP1104AT8-TR, RAV-SP1104AT8ZG-TR, RAV-SP1404AT8ZG-TR, RAV-SP1404AT8Z-TR service manual 71

Models: RAV-SP1404AT8Z-E RAV-SP1104AT8Z-E RAV-SP1404AT8ZG-E RAV-SP1404AT8-E RAV-SP1604AT8-TR RAV-SP1104AT8Z-TR RAV-SP1604AT8-E RAV-SP1404AT8-TR RAV-SP1604AT8Z-E RAV-SP1104AT8ZG-E RAV-SP1404AT8Z-TR RAV-SP1404AT8ZG-TR RAV-SP1104AT8-TR RAV-SP1104AT8ZG-TR

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Page 71

– 71 –

Check

Outdoor

Check and troubleshooting

code

LED display

(Item without special mention Indicates part of outdoor unit.)

[F08]

<Display 1> <Display 2>

[Outside air temp. sensor (TO) error]

¡

¡

¡

l

NO

Is CN602 connection normal?

Correct connector.

l

¥

Is resistance value of TO sensor normal?

Sensor error → Replace

l

l

¡

l

YES

¡

l

Check outdoor P.C. board (MCC-1599).

Defect → Replace

[F12]

<Display 1>

<Display 2> [Suction temp. sensor (TS) error]

¡

¡

¡

l

NO

Is CN600 connection normal?

Correct connector.

l

¥

Is resistance value of TS sensor normal?

Sensor error → Replace

l

¥

¡

l

YES

¡

l

Check outdoor P.C. board (MCC-1599).

Defect → Replace

[F13]

<Display 1>

<Display 2> [Heat sink temp. sensor (TH) error]

¡ ¡

¡l

l	¥
l	¥		Check outdoor P.C. board (MCC-1599).
l	¥		Check outdoor P.C. board (MCC-1599).
l	¥		Defect → Replace
¡	l

¡¥

[F15] <Display 1>	<Display 2> [Miswiring of heat exchanger sensor (TE, TS)]
¡	¡
¡	l	Is mounting status of					NO
l	¥						NO		Correct sensor mounting.

		TE and TS sensors normal?
l	¥	TE and TS sensors normal?
		YES

¡	¥
¡	¥						NO
¡	¥
		Is CN600 connection normal?							Correct connector.
		Is CN600 connection normal?							Correct connector.
		Is resistance value of TS sensor normal?							Sensor error → Replace

		YES
		YES
							NO

		Is CN601 connection normal?							Correct connector.
		Is CN601 connection normal?							Correct connector.
		Is resistance value of TE sensor normal?							Sensor error → Replace

		YES
		YES

							Check outdoor P.C. board (MCC-1599).
									Defect → Replace

– 71 –

Image 71

Toshiba RAV-SP1104AT8-TR, RAV-SP1104AT8ZG-TR, RAV-SP1404AT8ZG-TR, RAV-SP1404AT8Z-TR, RAV-SP1104AT8ZG-E, RAV-SP1604AT8Z-E 71

Contents

R410A OUTDOOR UNITSERVICE MANUAL SPLIT TYPE OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAM CONTENTSPRECAUTION FOR SAFETY SPECIFICATIONS– 3 – Original instructionGeneric Denomination: Air Conditioner Explanation of illustrated marks Definition of Protective GearDANGER Explanation of indications– 5 – Warning Indications on the Air Conditioner UnitConfirmation of warning label on the main unit BURST HAZARD– 6 – Precaution for SafetyDENGER – 7 – – 8 – – 9 – Declaration of Conformity DisposalExplanations given to user Relocation3.Pipe Materials New Refrigerant R410A1. Safety Caution Concerned to New Refrigerant 2.Cautions on Installation/Service– 12 – 4.ToolsGeneral tools Conventional tools can be used – 13 – 1. SPECIFICATIONS1-1.Indoor Unit 1-1-1. 4-WayAir Discharge Cassette Type<Twin type> – 14 –<Triple type> – 15 –1-1-2.Concealed Duct Type <Single type> – 17 – – 18 – 1-1-3.Under Ceiling Type <Single type> – 19 –Page – 21 – 1-1-4.High Wall Type Twin type – 22 –– 23 – – 24 – – 25 – 1-1-6.Slim Duct Type <Twin type> – 26 –Page 1-1-7.High Static Duct Type <Single type> – 28 –– 29 – 1-2.Outdoor Unit– 30 – 1-3.Operation Characteristic CurveRAV-SP1404AT7Z ZG RAV-SP1604AT7Z ZG – 31 –RAV-SP1104AT8Z ZG-E, -TR RAV-SP1404AT8Z ZG-E, -TR RAV-SP1604AT8Z ZG-E, -TR RAV-SP1104AT7Z ZG2-1.Outdoor Unit 2. CONSTRUCTION VIEWS EXTERNAL VIEWSRBC-TWP30E2, RBC-TWP50E2Simultaneous Twin – 33 –Gas side socket – 34 –RBC-TRP100ESimultaneous Triple Gas side <Liquid side>RAV-SP160type – 35 –RAV-SP110type RAV-SP140type– 36 – 4. WIRING DIAGRAM4-1.Outdoor Unit – 37 – 5. SPECIFICATIONS OF ELECTRICAL PARTS5-1.Outdoor Unit 6-2-1.Piping Materials and Joints Used 6-1.Safety During Installation/Servicing6-2.Refrigerant Piping Installation 6. REFRIGERANT R410A– 39 – 1.Flare Processing Procedures and Precautions1.Joints 6-2-2.Processing of Piping Materials– 40 – Fig. 6-2-1Flare processing dimensionsFlare and flare nut dimensions for R410A Flare and flare nut dimensions for R22Outer diameter 2.Flare Connecting Procedures and Precautions– 41 – Nominal6-3-1.Required Tools Fig. 6-4-1Configuration of refrigerant charging6-3.Tools 6-4.Recharging of Refrigerant6-5-1.Materials for Brazing 3.Low temperature brazing filler6-5-2.Flux 1.Reason why flux is necessary 6-5.Brazing of PipesNever use gas other than Nitrogen gas 2.Characteristics required for flux3.Types of flux 6-5-3.BrazingIf the definite conditions can be cleared 6-6.Instructions for Re-usePiping of R22 or R407C– 45 – Instruction of Works– 46 – 6-6-5.Final Installation ChecksDANGER Cautions for using existing pipe6-6-7.Recovery Method of Refrigerant Procedure7-1.Outdoor Unit Control 7-1-2.Print Circuit Board, MCC-1597Fan Motor IPDU – 50 – 7-1-3.Print Circuit Board, MCC-1599Interface CDBCN16 Red – 51 –CN05 Red CN10 RedREQUIREMENT 2.Discharge temperature release control7-2.Outline of Main Controls 1.PMV Pulse Motor Valve control– 53 – 3. Outdoor fan control3-1Cooling fan control 3-2Heating fan control6.Current release control 4.Coil heating controlREQUIREMENT 5.Short intermittent operation preventive control– 55 – 7.Current release value shift control8.Over-currentprotective control 9.High-pressurerelease control– 56 – 10.Defrost control2. Troubleshooting procedure 8. TROUBLESHOOTING8-1.Summary of Troubleshooting 1.Before troubleshootingTrouble 1.Before troubleshooting2.Troubleshooting procedure – 58 –– 59 – 8-2.Troubleshooting8-2-1.Outline of judgment – 60 – – 61 – 8-2-2.Others Other than Check Code– 62 – 1 2 3nCalling of sensor temperature display Page – 64 – – 65 – Error mode detected by indoor unit– 66 – Error mode detected by outdoor unit– 67 – – 68 – – 69 – Dip switch setupLED display on outdoor P.C. board Display selectionPage – 71 – – 72 – – 73 – ¡l l l – 75 – – 76 – – 77 – Outdoor Check and troubleshooting– 78 – Check– 79 – – 80 – Temperature sensorResistance value Checking procedure– 81 – Parts name<Procedure> 9. SETUP AT LOCAL SITE AND OTHERS9-1.Calling of Error History <Contents>– 83 – nIndoor unit power-ONsequence– 84 – 9-3.Outdoor UnitEnlarged view of LEDs D805 D804 D803 D802 D801 D8001.Outline – 85 –– 86 – 9-3-3.Others1.Selection of LED display SW800, SW803 operation lllll¡ lllll¡ SW804 – 89 –<Specific operation> SW804 – 90 –– 91 – 10. ADDRESS SETUP10-1.Address Setup Procedure – 92 – 10-2.Address Setup & Group Control10-2-1.System Configuration Example – 93 –Change is necessary – 94 –Simultaneous twin system 10-3.Remote Controller WiringWiring diagram Single system1 2 3 4 5 6 7 8 9 10 11 END 2, 5,3, 6, 9 4, 7, 10-5.Confirmation of Indoor Unit No. Position 1 2 END1 2 3 END – 98 – <Maintenance/Check list>Model switching J800 to J803 1.Setting the jumper wires and DIP switches– 100 – 12. HOW TO EXCHANGE COMPRESSOR12-1.Exchanging Procedure of Compressor Outline 12-2.Exchange of CompressorADOPTION OF NEW REFRIGERANT Contents13. INSTALLATION MANUAL – 101 –Warning Indications on the Air Conditioner Unit electric power suppliesHigh temperature parts – 102 –Electrical wiring 1 PRECAUTIONS FOR SAFETYSelection of installation location InstallationEN-6 104Explanations given to user RelocationRequired Tools/Equipment and Precautions for Use 2 ACCESSORY PARTS AND REFRIGERANT3 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER Accessory PartsRefrigerant Piping 4 INSTALLATION CONDITIONSBefore installation – 106 –EN-12 Installation LocationNecessary Space for Installation Unit mm – 107 –For Reference Installation of Outdoor Unit– 108 – 5 REFRIGERANT PIPINGRefrigerant Piping Connection Optional Installation Parts Locally procuredTightening of Connecting Part – 109 –Airtight test 6 AIR PURGING110 – Refrigerant Pipe Length7 ELECTRICAL WORK How to open the valveWiring between Indoor Unit and Outdoor Unit – 111 –23-EN – 112 –Single system, Twin system, Triple system EN-2213 FUNCTIONS TO BE IMPLEMENTED LOCALLY 11 ANNUAL MAINTENANCERecovering Refrigerant 8 EARTHING27-EN 14 TROUBLESHOOTING– 114 – EN-2629-EN 15 APPENDIX115 – EN-2831-EN – 116 –EN-30 EN-32 – 117 –Declaration of Conformity 1. Detachment 14. DETACHMENTS14-1.Outdoor Unit 1182.Attachment 1191. Detachment 2.Attachment – 120 –2. Attachment Procedure– 121 – 1. DetachmentAttachment – 122 –Detachment Attachment – 123 –Detachment 2.Attachment – 124 –1. Detachment 2. Attachment – 125 –8Compressor 1. Detachment – 126 – REQUIREMENT10Compressor 1. Removal of defective compressor – 127 –4. Refrigerant charge – 128 –2. Mounting of compressor 3. Vacuuming1. Detachment REQUIREMENTREQUIREMENT – 129 –Outdoor Unit 15. EXPLODED VIEWS AND PARTS LIST– 131 – Inverter Assembly 133 – 134 – Outdoor Unit– 135 – 136 Inverter Unit– 137 – Outdoor Unit – 139 – – 140 – Inverter Unit– 141 – Check of Concentration Limit WARNINGS ON REFRIGERANT LEAKAGETOSHIBA CARRIER CORPORATION