Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2804AT8-E, RAV-SM2804AT8ZG-E, RAV-SM2244AT8ZG-E Inverter Assembly, 704, 126

Models: RAV-SM2244AT8Z-E RAV-SM2804AT7ZG RAV-SM2804AT7 RAV-SM2804AT7Z RAV-SM2244AT7 RAV-SM2804AT8-E RAV-SM2244AT7Z RAV-SM2244AT7ZG RAV-SM2804AT8Z-E RAV-SM2244AT8ZG-E RAV-SM2804AT8ZG-E

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Page 126

15-2. Inverter Assembly

RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E

702	718, 719
705	714
704	720

717

	718, 719
711
		722		709
		722		708
		716	710	708
		716
				721
				721
712	720		703	701
			703

709

713

720

715

(TE)

(TS) (TO) (TD)

(TL)

706

707

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Image 126

Toshiba RAV-SM2804AT8-E, RAV-SM2804AT8ZG-E, RAV-SM2244AT8ZG-E, RAV-SM2804AT8Z-E, RAV-SM2244AT7ZG Inverter Assembly, 704, 126

Contents

AIR-CONDITIONER Contents Replacement Confirmation of warning label on the main unit Explanation of indicationsExplanation of illustrated marks Indication Explanation Catch the inner wires ∗ For details, refer to the parts listNever recover the refrigerant into the outdoor unit Do not modify the products Limit even if the refrigerant leaks Check the following items after reinstallationMetal section Earth position After repair work has finished, check there is no trouble Copper pipe Piping Safety Caution Concerned to New RefrigerantPipe Materials Flare nut General tools Conventional tools can be used Used tool Usage Simultaneous triple Combination Pattern Indoor Unit / Outdoor UnitRAV-SM2244AT series Simultaneous twin Simultaneous double twin RAV-SM2244AT series Branch kit RAV-SM2804AT series Branch kit Indoor Unit Way Cassette TypeTwin type Duct Type Twin type Ceiling Type Twin type Way Cassette Type Triple type Duct Type Triple type Ceiling Type Triple type High Wall Type Triple type Way Cassette Type Double twin type Compact 4-Way Cassette 600 × 600 Type Double twin type RAV-SM562MUT-E Slim Duct Type Double twin type RAV-SM564SDT-E Duct Type Double twin type Ceiling Type Double twin type High Wall Type Double twin type Model Outdoor unit 2244AT8-E 2804AT8-E 2244AT7 2804AT7 Operation characteristic curve Digital Inverter RAV-SM2244AT8 Z ZG -E, RAV-SM2804AT8 Z ZG -ERAV-SM2244AT7 Z ZG, RAV-SM2804AT7 Z ZG Capacity variation ratio according to temperature Cooling Heating Construction Views External Views RBC-DTWP101E Simultaneous Double Twin Branch pipe Joint pipeModel ’ty RBC-TRP100E Simultaneous Triple Gas sideLiquid side Gas side socket RBC-TWP101E Simultaneous Twin Branch pipe Gas side 25.4 15.9 Liquid side 12.7 Outdoor Unit Refrigeranting Cycle Diagram Systematic diagram of refrigerating cycle RAV-SM2244 seriesRAV-SM2804 series Wiring Diagram Specifications of Electrical Parts Parts name Type Specifications Safety During Installation/Servicing Piping Materials and Joints UsedCopper Pipes Flare Processing Procedures and Precautions JointsProcessing of Piping Materials Flare and flare nut dimensions for R22 3 Dimensions related to flare processing for R410A / R22Flare and flare nut dimensions for R410A R410A R22 R410A, R22 Clutch type Wing nut type Flare Connecting Procedures and Precautions Nm kgfmWrenches available on the market 1 Configuration of refrigerant charging Required Tools Materials for Brazing Silver brazing filler Low temperature brazing fillerFlux Reason why flux is necessary Phosphor bronze brazing filler Piping materials for brazing and used brazing filler/flux Characteristics required for fluxTypes of flux Brazing Branching Pipe for Simultaneous Operation System Basic Conditions Needed to Reuse the Existing PipeRestricted Items to Use the Existing Pipes Curing of Pipes Final Installation Checks Existing pipe SW Switch Recovering Refrigerant Handling of Existing Pipe Circuit Configuration and Control Specifications Outdoor Unit ControlPrint Circuit Board, MCC-1596 Compressor Ipdu CN504 Blue Print Circuit Board, MCC-1597 Fan Motor IpduCN700 Blue CN500 Red F500 Print Circuit Board, MCC-1599 Interface CDB Print Circuit Board, MCC-1600 Noise Filter Discharge temperature release control Outline of Main ControlsPMV Pulse Motor Valve control Heating fan control Outdoor fan revolution number controlCooling fan control Fan Taps Revolution number Allocation rpm Defrost control Short interrupted operation preventive controlElectrical current release control Electrical current release value shift control Heat sink temperature detection controlHigh-pressure switch/Compressor case thermostat control Over-current protective control Oil recovery control 12. SV2 valve control Coil heating control To ˚C Before troubleshooting TroubleshootingSummary of Troubleshooting Troubleshooting procedure Wireless remote controller type Trouble Confirmation of lamp display Lamp indication TroubleshootingOutline of judgment Cause of trouble occurrence Lamp indication Check code Cause of trouble occurrence Others Other than Check Code Lamp indication Check code Monitor Function of Remote Controller Switch Check Code List Outdoor Way valve inverse error Representative defective position Error mode detected by indoor unit Cause of operation Status Error mode detected by outdoor unit Series H03 Current detection circuit error Stop Power supply error of remote controller, Indoor Latest error display Diagnostic Procedure for Each Check Code Outdoor UnitLED display on outdoor P.C. board Dip switch setup Error display, which occurs at present Display Display 2 Heat exchanger temp. sensor TE error Display Heat exchanger temp. sensor TL error →F07 Display Display 2 Heat exchanger temp. sensor TL error F12 Display Display 2 Suction temp. sensor TS error F13 Display 1 Display 2 Heat sink temp. sensor TH error F31 Display 1 Display 2 Eeprom error H01 Display 1 Display 2 Compressor break down H03 Display Display 2 Current detection circuit error H04 Display 1 Display 2 Case thermostat operation L10 Display Display Display 2 Communication error between MCU Display 1 Display 2 Unset model type → Refer to L10 column Display High pressure SW system error P04 Display Case thermostat operation → Refer to H04 column Display Display 2 High pressure protective operation → P07 Display Heat sink overheat error P19 Display Way valve inverse errorP15 Display Gas leak detection Cooling season P26 Position detection circuit errorSingle operation check for outdoor fan Display 2 Short-circuit of compressor drive element TD, TL sensors Temperature sensorTA, TC, TCJ, TE, TS, to sensors Representative value Setup AT Local Site and Others Calling of Error HistoryGroup Control Operation Initial communication Indoor unit power-ON sequenceBy feed unit Automatic address judgment Usual regular communication Function Set position Control contents Defrost control Specifications Operation contents Operation partDisplay part Switch Function / Contents Refer Others Selection of LED display SW800, SW803 operationDisplay selection list Error display ¥¥ll¡ Pressure SetupDisplay Kg/cm²G Specific operation for maintenance check SW801, SW804 SW804 Operation when pushdown button switch SW801 is pushedSpecific operation For check RY703, CN703 check Address Setup Address Setup Procedure Address Setup & Group Control System ConfigurationTerminology Automatic Address Example from Unset Address No miswiring Only turning on source power supply Automatic completionExample Standard One outdoor unit Single Twin Triple Simultaneous twin system Remote Controller WiringWiring diagram Simultaneous triple and double twin system Address Setup Manual setting from remote controller Button Confirmation of Indoor Unit No. PositionTo know the position of indoor unit body by address Button if the unit stops Maintenance/Check list Part name Object Contents of check Contents of maintenance Contents Connect the connecting wire correctly New Refrigerant Air Conditioner Installation When using general copper pipes Tools/equipment Use How to use tools/equipmentWhen using the conventional piping Flare nuts and flare machining 100 101 Parts name ’ty 102 Upper Maximum SM2244 SM2804 Allowable pipe length mTotal length Branch piping Indoor-outdoor H Pipe diameter mm 104 Tension to the wires does not affect the connecting Using the specified wires, ensure that the wires areConnected, and fix wires securely so that the external Be sure to connect the earth wire grounding work That all pipes are connected securely without leaks 106 8 EarthingCheck the following before starting a test run That the valve is open 107 SW802Reference outside Wall thickness Material Diameter mm Cause Display mode Placement location Term Curing manner108 Existing pipe SW Flare nut width H Model switching J800 to J803 Replacement of the Service P.C. Board 4316V392 MCC-1599Setting the jumper wires and DIP switches 110 Exchange of Compressor HOW to Exchange CompressorExchanging Procedure of Compressor Outline 111 RAV-SM224, RAV-SM280 series Detachments112 Detachment No. Part name Procedure 113 114 115 Part name Procedure Remarks 116 117 Temporary Suspended State Inverter Assembly front 118 Temporary suspended state Inverter Assembly Ipdu 119Compressor 1. Detachment 120 Fan motor 1. Detachment 121 Compressor terminal 122 123 Fan guard 1. Detachment Exploded Views and Parts List 25, 26 22, 23 47, 55 33, 34 124 125 Location Model name Description RAV-SM2244 RAV-SM2804 Inverter Assembly 704126 127 25, 26 22, 23 47, 55 33, 34 128 129 AT7 AT7Z AT7ZG 712 130 2244AT7ZG 131Location Model name 2804AT7ZG Check of Concentration Limit Toshiba Carrier Corporation