Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SP1604AT8Z-E, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8ZG-TR service manual 75

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 75

– 75 –

Check

Outdoor

Check and troubleshooting

code

LED display

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

[P03]

<Display 1>

<Display 2>

[Discharge temp. error]

¡

¡

¡

l

Is there no gas leak?

NO

Repair defective position.

l

l

Is refrigerant charge amount adequate?

Recharge refrigerant.

¡

l

YES

¡

¥

NO

Repair defective position.

¡

¥

Is PMV

normal?

Replace defective part.

YES

YES

Is it not abnormal overload?

Correct and clear the cause.

NO

NO

Is CN603 connection normal?

Correct connector.

Is resistance value of TD sensor normal?

Sensor error → Replace

YES

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

Defect → Replace

[P04]

∗ There is a possibility that it is one of the following errors.

Confirm LED on outdoor P.C. board to judge which error it is. (1) high-pressure SW system error,

(2) power supply error (Vdc), (3) high-pressure protective operation, (4) case thermo operation.

<Display 1>

<Display 2>

[High pressure SW system error]

¡

¡

Power supply error (Vdc), High pressure protective operation, Case thermostat

¡

l

operation.

l

l

Doesn’t high pressure switch

NO

NO

Is circuit wiring normal?

Wiring check,

¥

¡

operate?

Correct.

l

¡

YES

YES

¡

l

Are parts of

NO

Parts check

high pressure switch normal?

Defective

→ Replace

YES

NO

Is service valve fully opened?

Open service valve fully.

YES

Reset the power supply and

B

← Cooling operation

then do a trial operation according

C

← Heating operation

to the season.

Check Comp. IPDU PC board

B Cooling operation.

Defective → Replace

NO

Is there no fan breakage

NO

Does cooling outdoor fan

normally operate?

or coming-off?

YES

YES

Repair defective position.

Connection of connectors,

Fan IPDU, Fan motor, Wiring.

Is there any element

YES

which blocks heat exchanger

Elimination of

of the outdoor unit?

blocking element

Clogging of heat exchanger

Short circuit

NO

Overcharge of refrigerant/

Clogging/Pipe breakage/

Abnormal overload

– 75 –

Image 75

Toshiba RAV-SP1604AT8Z-E, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8ZG-TR, RAV-SP1404AT8Z-TR, RAV-SP1104AT8ZG-E 75

Contents

OUTDOOR UNIT SERVICE MANUAL SPLIT TYPER410A OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAM CONTENTSPRECAUTION FOR SAFETY SPECIFICATIONSOriginal instruction Generic Denomination: Air Conditioner– 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 HAZARDPrecaution for Safety DENGER– 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/Service4.Tools General tools Conventional tools can be used– 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. WIRING DIAGRAM 4-1.Outdoor Unit– 36 – 5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1.Outdoor Unit– 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.Troubleshooting 8-2-1.Outline of judgment– 59 – – 60 – – 61 – 8-2-2.Others Other than Check Code1 2 3 nCalling of sensor temperature display– 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 –9-3-3.Others 1.Selection of LED display SW800, SW803 operation– 86 – lllll¡ lllll¡ – 89 – <Specific operation>SW804 SW804 – 90 –10. ADDRESS SETUP 10-1.Address Setup Procedure– 91 – 10-2.Address Setup & Group Control 10-2-1.System Configuration– 92 – Example – 93 –Change is necessary – 94 –Simultaneous twin system 10-3.Remote Controller WiringWiring diagram Single 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 – 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-28– 116 – EN-3031-EN – 117 – Declaration of ConformityEN-32 1. Detachment 14. DETACHMENTS14-1.Outdoor Unit 118119 1. Detachment2.Attachment 2.Attachment – 120 –2. Attachment Procedure– 121 – 1. Detachment– 122 – DetachmentAttachment – 123 – DetachmentAttachment – 124 – 1. Detachment2.Attachment – 125 – 8Compressor 1. Detachment2. 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