Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SP1604AT8-TR, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8ZG-TR service manual 79

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 79

– 79 –

Check

Outdoor

Check and troubleshooting

code

LED display

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

[P22]

<Display 1>

<Display 2>

[Fan system error]

¡

¡

¡

¥

Is there no problem on power supply voltage?

NO

Check wiring construction.

l

l

(342 to 457V)

Ask repair of power supply.

¡

¥

YES

¡

¥

¡

l

Does the fan rotate without trouble when rotating

shaft of fan motor with hands during power-OFF?

YES

Is there no problem on coil resistance of fan motor?

Between red and white lead wire

: 12 to 20Ω

Between white and black lead wire : 12 to 20Ω

Between black and red lead wire

: 12 to 20Ω

NO

Check outdoor P.C. board (MCC-1597).

Replace fan motor.

Defect → Replace

Single operation check for outdoor fan

1) Set SW804 of Dip switch as the following figure and then push SW801 for

approx. 1 second to check single operation of outdoor fan. Use this method to

check which fan, upper or lower fan, has a trouble.

• When pushing SW801 for 1 second again or 2 minutes passed, the fan stops.

2) After check, turn off all Dip switch

Outdoor fan single operation

SW804.

SW804

SW801

ON

Push

1

2

3

4

[P26]

<Display 1>

<Display 2> [Short-circuit of compressor drive element]

¡

¡

¡

¥

Is there no problem on connection

NO

l

¥

Correct wiring.

of compressor lead or reactor?

¡

l

(Check referring to Wiring diagram.)

¡

¥

YES

¡

l

The same error does not occur in

NO

Replace outdoor P.C. board.

operation without compressor lead.

YES

Check compressor. (Rear short, etc.)

Defect

→ Replace

[P29]

<Display 1>

<Display 2>

[Position detection circuit error]

¡

¡

¡

¥

l

¥

Check outdoor P.C. board (MCC-1596).

¡

¥

Defect → Replace

¡l

¡¥

—	<Display 1>	<Display 2> [Other error] Compressor disorder due to sudden change of load, etc.
No code	¡	¡	∗ Although the display of outdoor LED outputs, the unit automatically restarts
	¡	¥	and error is not determined.
	¡	¥	∗ LED display also may output due to negative phase of compressor or wire
	l	¥
	l	¥	coming-off.
	¡	¥	coming-off.
	¡	¥
	¡	¥
	l	¥

– 79 –

Image 79

Toshiba RAV-SP1604AT8-TR, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8ZG-TR, RAV-SP1404AT8Z-TR, RAV-SP1104AT8ZG-E 79

Contents

SERVICE MANUAL SPLIT TYPE OUTDOOR UNITR410A OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAM CONTENTSPRECAUTION FOR SAFETY SPECIFICATIONSGeneric Denomination: Air Conditioner Original instruction– 3 – 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 HAZARDDENGER Precaution for Safety– 6 – – 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/ServiceGeneral tools Conventional tools can be used 4.Tools– 12 – – 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-SP140type4-1.Outdoor Unit 4. WIRING DIAGRAM– 36 – 5-1.Outdoor Unit 5. SPECIFICATIONS OF ELECTRICAL PARTS– 37 – 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 –8-2-1.Outline of judgment 8-2.Troubleshooting– 59 – – 60 – – 61 – 8-2-2.Others Other than Check CodenCalling of sensor temperature display 1 2 3– 62 – 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 –1.Selection of LED display SW800, SW803 operation 9-3-3.Others– 86 – lllll¡ lllll¡ <Specific operation> – 89 –SW804 SW804 – 90 –10-1.Address Setup Procedure 10. ADDRESS SETUP– 91 – 10-2-1.System Configuration 10-2.Address Setup & Group Control– 92 – Example – 93 –Change is necessary – 94 –Simultaneous twin system 10-3.Remote Controller WiringWiring diagram Single system3, 6, 9 4, 7, 2, 5,1 2 3 4 5 6 7 8 9 10 11 END 1 2 3 END 1 2 END10-5.Confirmation of Indoor Unit No. Position – 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-28EN-30 – 116 –31-EN Declaration of Conformity – 117 –EN-32 1. Detachment 14. DETACHMENTS14-1.Outdoor Unit 1181. Detachment 1192.Attachment 2.Attachment – 120 –2. Attachment Procedure– 121 – 1. DetachmentDetachment – 122 –Attachment Detachment – 123 –Attachment 1. Detachment – 124 –2.Attachment 8Compressor 1. Detachment – 125 –2. Attachment – 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