Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SP1404AT8ZG-TR, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8Z-TR service manual 72

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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Check	Outdoor	Check and troubleshooting
code	LED display	(Item without special mention Indicates part of outdoor unit.)

[F31]	<Display 1> <Display 2>	[EEPROM error]

¡ ¡

¡¥

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

¡¥

[H01] <Display 1>	<Display 2>	[Compressor break down]
¡	¡
¡	l	Is power supply voltage normal?				NO
l	l					NO		Correct power supply line.

		AC342 to 457V
¡	l	AC342 to 457V


l	l	YES
l	¥
l	¥	Is wire connection normal?				NO


		Compressor lead						Check wire connection
		(Board side, Compressor side),						and correct it.
		Reactor lead, Power supply lead
		Reactor lead, Power supply lead
		YES
		YES
						YES

		Is it not abnormal overload?						Correct and clear the cause.



		NO
		NO

						Check outdoor P.C. board (MCC-1596).
								Defect → Replace

[H02] <Display 1>	<Display 2>	[Compressor lock]
¡	¡
¡	l	Is power supply voltage normal?				NO
l	l					NO		Correct power supply line.
l	l
¡	l	AC342 to 457V
		AC342 to 457V
		YES

l	¥
l	l	Is wire connection normal?				NO
		Is wire connection normal?						Check wire connection
		Compressor lead
		Compressor lead
		(Board side, Compressor side),						and correct it.
		Reactor lead, Power supply lead
		Reactor lead, Power supply lead
		YES				YES
		YES
		Is compressor normal?						Check outdoor P.C. board.
								Check outdoor P.C. board.
								Defect → Replace
								Defect → Replace
		NO				NO



		Is there no refrigerant stagnation?						Compressor lock → Replace



		YES				NO
		YES
		Does PMV normally operate?						Check TE, TS sensors and PMV.
								Check TE, TS sensors and PMV.
								Defect → Replace
								Defect → Replace
		YES



						Check outdoor P.C. board (MCC-1596).
								Defect → Replace

– 72 –

Image 72

Toshiba RAV-SP1404AT8ZG-TR, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8Z-TR, RAV-SP1104AT8ZG-E, RAV-SP1604AT8Z-E 72

Contents

OUTDOOR UNIT SERVICE MANUAL SPLIT TYPER410A CONTENTS PRECAUTION FOR SAFETYSPECIFICATIONS OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAMOriginal instruction Generic Denomination: Air Conditioner– 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 –Precaution for Safety DENGER– 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 Materials4.Tools General tools Conventional tools can be used– 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. WIRING DIAGRAM 4-1.Outdoor Unit– 36 – 5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1.Outdoor Unit– 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.Troubleshooting 8-2-1.Outline of judgment– 59 – – 60 – 8-2-2.Others Other than Check Code – 61 –1 2 3 nCalling of sensor temperature display– 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 LEDs9-3-3.Others 1.Selection of LED display SW800, SW803 operation– 86 – lllll¡ lllll¡ – 89 – <Specific operation>SW804 – 90 – SW80410. ADDRESS SETUP 10-1.Address Setup Procedure– 91 – 10-2.Address Setup & Group Control 10-2-1.System Configuration– 92 – – 93 – Example– 94 – Change is necessary10-3.Remote Controller Wiring Wiring diagramSingle system Simultaneous twin 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 <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-EN– 116 – EN-3031-EN – 117 – Declaration of ConformityEN-32 14. DETACHMENTS 14-1.Outdoor Unit118 1. Detachment119 1. Detachment2.Attachment – 120 – 2.AttachmentProcedure – 121 –1. Detachment 2. Attachment– 122 – DetachmentAttachment – 123 – DetachmentAttachment – 124 – 1. Detachment2.Attachment – 125 – 8Compressor 1. Detachment2. 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