Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SP1404AT8-TR, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8ZG-TR service manual 76

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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– 76 –

Check

Outdoor

Check and troubleshooting

code

LED display

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

[P04]

C

Heating operation

NO

Are connections of

NO

Does the heating indoor fan

connectors,capacitors

normally operate?

and fan motor normal?

YES

YES

Is there any element which

blocks indoor heat exchanger? YES

Elimination of

Repair

Filter clogging

blocking element

defective position.

Clogging of heat exchanger

Short circuit

NO

NO

Are characteristics

Clogging by refrigerant

overcharge/Pipe breakage/

of TC and TCJ sensor

Abnormal overload

resistance value normal?

YES

Check indoor P.C. board

Replace

Defective → Replace

TC or TCJ sensor.

<Display 1>

<Display 2> [Case thermostat operation] → Refer to [H04] column.

¡

¡

¡

l

l

l

¡

¥

l

l

l

l

<Display 1>

<Display 2> [Power supply error (Vdc)] → Refer to [P05] column.

¡

¡

¡

l

l

l

¡

¥

¡

l

¡

¥

<Display 1>

<Display 2> [High pressure protective operation] → Refer to [P20] column.

¡ ¡

¡¥

l l

¡¥

¡l

¡l

– 76 –

Image 76

Toshiba RAV-SP1404AT8-TR, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8ZG-TR, RAV-SP1404AT8Z-TR, RAV-SP1104AT8ZG-E 76

Contents

SERVICE MANUAL SPLIT TYPE OUTDOOR UNITR410A CONTENTS PRECAUTION FOR SAFETYSPECIFICATIONS OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAMGeneric Denomination: Air Conditioner Original instruction– 3 – Definition of Protective Gear DANGERExplanation of indications Explanation of illustrated marksWarning Indications on the Air Conditioner Unit Confirmation of warning label on the main unitBURST HAZARD – 5 –DENGER Precaution for Safety– 6 – – 7 – – 8 – – 9 – Disposal Explanations given to userRelocation Declaration of ConformityNew Refrigerant R410A 1. Safety Caution Concerned to New Refrigerant2.Cautions on Installation/Service 3.Pipe MaterialsGeneral tools Conventional tools can be used 4.Tools– 12 – 1. SPECIFICATIONS 1-1.Indoor Unit1-1-1. 4-WayAir Discharge Cassette Type – 13 –– 14 – <Twin type>– 15 – <Triple type>1-1-2.Concealed Duct Type <Single type> – 17 – – 18 – – 19 – 1-1-3.Under Ceiling Type <Single type>Page – 21 – – 22 – 1-1-4.High Wall Type Twin type– 23 – – 24 – – 25 – – 26 – 1-1-6.Slim Duct Type <Twin type>Page – 28 – 1-1-7.High Static Duct Type <Single type>1-2.Outdoor Unit – 29 –1-3.Operation Characteristic Curve – 30 –– 31 – RAV-SP1104AT8Z ZG-E, -TR RAV-SP1404AT8Z ZG-E, -TRRAV-SP1604AT8Z ZG-E, -TR RAV-SP1104AT7Z ZG RAV-SP1404AT7Z ZG RAV-SP1604AT7Z ZG2. CONSTRUCTION VIEWS EXTERNAL VIEWS 2-1.Outdoor Unit– 33 – RBC-TWP30E2, RBC-TWP50E2Simultaneous Twin– 34 – RBC-TRP100ESimultaneous Triple Gas side<Liquid side> Gas side socket– 35 – RAV-SP110typeRAV-SP140type RAV-SP160type4-1.Outdoor Unit 4. WIRING DIAGRAM– 36 – 5-1.Outdoor Unit 5. SPECIFICATIONS OF ELECTRICAL PARTS– 37 – 6-1.Safety During Installation/Servicing 6-2.Refrigerant Piping Installation6. REFRIGERANT R410A 6-2-1.Piping Materials and Joints Used1.Flare Processing Procedures and Precautions 1.Joints6-2-2.Processing of Piping Materials – 39 –Fig. 6-2-1Flare processing dimensions Flare and flare nut dimensions for R410AFlare and flare nut dimensions for R22 – 40 –2.Flare Connecting Procedures and Precautions – 41 –Nominal Outer diameterFig. 6-4-1Configuration of refrigerant charging 6-3.Tools6-4.Recharging of Refrigerant 6-3-1.Required Tools3.Low temperature brazing filler 6-5-2.Flux 1.Reason why flux is necessary6-5.Brazing of Pipes 6-5-1.Materials for Brazing2.Characteristics required for flux 3.Types of flux6-5-3.Brazing Never use gas other than Nitrogen gas6-6.Instructions for Re-usePiping of R22 or R407C – 45 –Instruction of Works If the definite conditions can be cleared6-6-5.Final Installation Checks – 46 –Cautions for using existing pipe 6-6-7.Recovery Method of RefrigerantProcedure DANGER7-1.Outdoor Unit Control 7-1-2.Print Circuit Board, MCC-1597Fan Motor IPDU 7-1-3.Print Circuit Board, MCC-1599Interface CDB – 50 –– 51 – CN05 RedCN10 Red CN16 Red2.Discharge temperature release control 7-2.Outline of Main Controls1.PMV Pulse Motor Valve control REQUIREMENT3. Outdoor fan control 3-1Cooling fan control3-2Heating fan control – 53 –4.Coil heating control REQUIREMENT5.Short intermittent operation preventive control 6.Current release control7.Current release value shift control 8.Over-currentprotective control9.High-pressurerelease control – 55 –10.Defrost control – 56 –8. TROUBLESHOOTING 8-1.Summary of Troubleshooting1.Before troubleshooting 2. Troubleshooting procedure1.Before troubleshooting 2.Troubleshooting procedure– 58 – Trouble8-2-1.Outline of judgment 8-2.Troubleshooting– 59 – – 60 – 8-2-2.Others Other than Check Code – 61 –nCalling of sensor temperature display 1 2 3– 62 – Page – 64 – Error mode detected by indoor unit – 65 –Error mode detected by outdoor unit – 66 –– 67 – – 68 – Dip switch setup LED display on outdoor P.C. boardDisplay selection – 69 –Page – 71 – – 72 – – 73 – ¡l l l – 75 – – 76 – – 77 – Check and troubleshooting – 78 –Check Outdoor– 79 – Temperature sensor – 80 –Checking procedure – 81 –Parts name Resistance value9. SETUP AT LOCAL SITE AND OTHERS 9-1.Calling of Error History<Contents> <Procedure>nIndoor unit power-ONsequence – 83 –9-3.Outdoor Unit – 84 –D805 D804 D803 D802 D801 D800 1.Outline– 85 – Enlarged view of LEDs1.Selection of LED display SW800, SW803 operation 9-3-3.Others– 86 – lllll¡ lllll¡ <Specific operation> – 89 –SW804 – 90 – SW80410-1.Address Setup Procedure 10. ADDRESS SETUP– 91 – 10-2-1.System Configuration 10-2.Address Setup & Group Control– 92 – – 93 – Example– 94 – Change is necessary10-3.Remote Controller Wiring Wiring diagramSingle system Simultaneous twin 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 <Maintenance/Check list> – 98 –1.Setting the jumper wires and DIP switches Model switching J800 to J80312. HOW TO EXCHANGE COMPRESSOR 12-1.Exchanging Procedure of Compressor Outline12-2.Exchange of Compressor – 100 –Contents 13. INSTALLATION MANUAL– 101 – ADOPTION OF NEW REFRIGERANTelectric power supplies High temperature parts– 102 – Warning Indications on the Air Conditioner Unit1 PRECAUTIONS FOR SAFETY Selection of installation locationInstallation Electrical wiring104 Explanations given to userRelocation EN-62 ACCESSORY PARTS AND REFRIGERANT 3 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONERAccessory Parts Required Tools/Equipment and Precautions for Use4 INSTALLATION CONDITIONS Before installation– 106 – Refrigerant PipingInstallation Location Necessary Space for Installation Unit mm– 107 – EN-12Installation of Outdoor Unit – 108 –5 REFRIGERANT PIPING For ReferenceOptional Installation Parts Locally procured Tightening of Connecting Part– 109 – Refrigerant Piping Connection6 AIR PURGING 110 –Refrigerant Pipe Length Airtight testHow to open the valve Wiring between Indoor Unit and Outdoor Unit– 111 – 7 ELECTRICAL WORK– 112 – Single system, Twin system, Triple systemEN-22 23-EN11 ANNUAL MAINTENANCE Recovering Refrigerant8 EARTHING 13 FUNCTIONS TO BE IMPLEMENTED LOCALLY14 TROUBLESHOOTING – 114 –EN-26 27-EN15 APPENDIX 115 –EN-28 29-ENEN-30 – 116 –31-EN Declaration of Conformity – 117 –EN-32 14. DETACHMENTS 14-1.Outdoor Unit118 1. Detachment1. Detachment 1192.Attachment – 120 – 2.AttachmentProcedure – 121 –1. Detachment 2. AttachmentDetachment – 122 –Attachment Detachment – 123 –Attachment 1. Detachment – 124 –2.Attachment 8Compressor 1. Detachment – 125 –2. Attachment REQUIREMENT – 126 –– 127 – 10Compressor 1. Removal of defective compressor– 128 – 2. Mounting of compressor3. Vacuuming 4. Refrigerant chargeREQUIREMENT REQUIREMENT– 129 – 1. Detachment15. EXPLODED VIEWS AND PARTS LIST Outdoor Unit– 131 – Inverter Assembly 133 Outdoor Unit – 134 –– 135 – Inverter Unit 136– 137 – Outdoor Unit – 139 – Inverter Unit – 140 –– 141 – WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration LimitTOSHIBA CARRIER CORPORATION