Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2244AT7Z, RAV-SM2804AT8ZG-E service manual Print Circuit Board, MCC-1600 Noise Filter

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 48

7-1-4. Print Circuit Board, MCC-1600 (Noise Filter)

CN05 (Red)

Power supply terminal (L1)

F01

Varistor protective fuse (250V, 6.3A)

CN06 (White)

Power supply terminal (L2)

F02

Varistor protective fuse (250V, 6.3A)

CN07 (Black)

Power supply terminal (L3)

F03

Varistor protective fuse (250V, 6.3A)

CN20 (White)

Power supply terminal (L2)

CN08 (Gray)

Neutral terminal

CN10 (Red)	CN16 (Red)
Terminal for MCC-1599 (CN02) and Terminal for PTC thermistor	Terminal for power relay

CN17 (White)

Terminal for

MCC-1596 (CN02)

CN18 (Black)

Terminal for power relay

CN19 (Gray)

Terminal for

MCC-1599 (CN02)

CN09 (Brown)

Terminal for grounding

CN23 (Red)

Connector for

MCC-1597 (CN500)

CN51 (Black)	CN50 (White)
Connector for	Connector for
MCC-1597 (CN602)	MCC-1599 (CN608)

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Image 48

Toshiba RAV-SM2244AT7Z, RAV-SM2804AT8ZG-E, RAV-SM2244AT8ZG-E, RAV-SM2804AT8Z-E Print Circuit Board, MCC-1600 Noise Filter

Contents

AIR-CONDITIONER Contents Replacement Explanation of indications Explanation of illustrated marksConfirmation of warning label on the main unit Indication Explanation ∗ For details, refer to the parts list Never recover the refrigerant into the outdoor unitCatch the inner wires Do not modify the products Check the following items after reinstallation Metal section Earth positionLimit even if the refrigerant leaks After repair work has finished, check there is no trouble Safety Caution Concerned to New Refrigerant Pipe MaterialsCopper pipe Piping Flare nut General tools Conventional tools can be used Used tool Usage Combination Pattern Indoor Unit / Outdoor Unit RAV-SM2244AT series Simultaneous twinSimultaneous triple 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 Gas side Liquid sideRBC-TRP100E Simultaneous Triple 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 3 Dimensions related to flare processing for R410A / R22 Flare and flare nut dimensions for R410AFlare and flare nut dimensions for R22 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 Low temperature brazing filler Flux Reason why flux is necessaryMaterials for Brazing Silver brazing filler Phosphor bronze brazing filler Characteristics required for flux Types of fluxPiping materials for brazing and used brazing filler/flux Brazing Basic Conditions Needed to Reuse the Existing Pipe Restricted Items to Use the Existing PipesBranching Pipe for Simultaneous Operation System 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 Print Circuit Board, MCC-1597 Fan Motor Ipdu CN700 Blue CN500 RedCN504 Blue 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 Outdoor fan revolution number control Cooling fan controlHeating fan control Fan Taps Revolution number Allocation rpm Defrost control Short interrupted operation preventive controlElectrical current release control Heat sink temperature detection control High-pressure switch/Compressor case thermostat controlElectrical current release value shift control Over-current protective control Oil recovery control 12. SV2 valve control Coil heating control To ˚C Troubleshooting Summary of TroubleshootingBefore troubleshooting Troubleshooting procedure Wireless remote controller type Trouble Confirmation of lamp display Troubleshooting Outline of judgmentLamp indication 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 Diagnostic Procedure for Each Check Code Outdoor Unit LED display on outdoor P.C. board Dip switch setupLatest error display 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 Position detection circuit error Single operation check for outdoor fanP26 Display 2 Short-circuit of compressor drive element Temperature sensor TA, TC, TCJ, TE, TS, to sensorsTD, TL sensors Representative value Setup AT Local Site and Others Calling of Error HistoryGroup Control Operation Indoor unit power-ON sequence By feed unit Automatic address judgmentInitial communication 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¡ Setup DisplayPressure 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 Remote Controller Wiring Wiring diagramSimultaneous twin system Simultaneous triple and double twin system Address Setup Manual setting from remote controller Confirmation of Indoor Unit No. Position To know the position of indoor unit body by addressButton 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 Tools/equipment Use How to use tools/equipment When using the conventional pipingWhen using general copper pipes Flare nuts and flare machining 100 101 Parts name ’ty 102 Allowable pipe length m Total length Branch piping Indoor-outdoor HUpper Maximum SM2244 SM2804 Pipe diameter mm 104 Using the specified wires, ensure that the wires are Connected, and fix wires securely so that the externalTension to the wires does not affect the connecting Be sure to connect the earth wire grounding work 106 8 Earthing Check the following before starting a test runThat all pipes are connected securely without leaks 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 Replacement of the Service P.C. Board 4316V392 MCC-1599 Setting the jumper wires and DIP switchesModel switching J800 to J803 110 HOW to Exchange Compressor Exchanging Procedure of Compressor OutlineExchange of Compressor 111 Detachments 112RAV-SM224, RAV-SM280 series 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 712 130 131 Location Model name2244AT7ZG 2804AT7ZG Check of Concentration Limit Toshiba Carrier Corporation