Manuals / Mitsubishi Electronics / Household Appliance / Air Conditioner

Mitsubishi Electronics P500YMF-C specifications Electrical Wiring Diagram, PURY-P400·500YMF-C

Models: PURY-P400 P500YMF-C

1 148

Download 148 pages 51.35 Kb

Page 22

Image 22

[3] Electrical Wiring Diagram

PURY-P400·500YMF-C

–20–

Page 22

Image 22

Mitsubishi Electronics P500YMF-C specifications Electrical Wiring Diagram, PURY-P400·500YMF-C

Contents

Service Handbook Page Contents Safety precautions Carefully read the labels affixed to the main unitUse liquid refrigerant to seal the system Be especially careful when managing the toolsDo not use the existing refrigerant piping Use a vacuum pump with a reverse flow check valveStorage of Piping Material Piping Machining ReasonItems to be strictly observed When non-oxide brazing was usedBrazing ReasonsVacuuming Airtightness TestR22 leakage detector Cylinder color identification R407C-Gray Charging of RefrigerantDryer R410A-PinkOutdoor unit PURY-P400·500YMF-C Appearance of ComponentsP400 Type P500 Type 51C2 Module IPM Board Controller BoxNoise filter Magnetic contactor 52C1 Capacitor C2, C3 52F Main board Puhy / PuryINV board Cnpow Cnfan CNFC2 Fancon boardBoard CNE CNDC1SNB board Board SW4 SW5 SW2 SW1 BC controllerCntr EarthRelay 10 board Relay 4 board ACC SV8 SV7PS3 CMB-P108, 1010, 1013, 1016V-FALEV3 SVM2 LEV1 SVM1TH25 LEV3aTH22 Electrical Wiring Diagram PURY-P400·500YMF-CCMB-P108·1010V-FA SV7B SV7A SV7C SV8B SV8A SV8CSymbol CMB-P1013·1016V-FACMB-P108V-FB LEV3PURY-P400YMF-C PURY-P500YMF-C Standard Operation DataCooling operation DB/WBHeating operation SWU Ture Power is on Defrosting end temperaFunction of Dip SW and Rotary SW SW3P40 P50 P63 SW2 settingIndoor unit DIP SW1 Model P71 P80 P100 P125 P140SW4 220V 240VFunction Check points before test run Before Test RunConnected indoor units Can be connected without a RP Built-in optional parts Check points for test run when mounting optionsLocal remote controller displays code No Insulation pipePortion Check points for system structureNot heat at heating Turn on power source 12 hours before starting operations? Error stop, compressor troubleCN40 on the Main board when the system is centralized Example, 200m or less total length 500m at the farthestTest Run Method Warm or cold air is blowing outControlled Switch functionFilter + Test RUNAttribute display of unit Description of registration/deletion/retrievalRegistration procedure Group registration of indoor unitSwitch G for the interlocked setting mode. See figure below Operation procedurePress the switch for confirmation E No registrationPress the switch for confirmation F twice continuously Deletion completed Case of group reDeletion of address not existing Control at staring Control of Outdoor Unit 1- 1 PURY-P400·500 YMF-CInitial processing Compressor capacity controlStop Bypass capacity controlSV6a OFFSV1 Oil return control Electronic expansion valve Slev Defrosting controlControl of liquid level detecting heater Judgement and control of refrigerant amountAccumulator CS circuit Four-way valveHeat exchanger TH9 Outdoor unit heat exchanger capacity controlStart of initial operation mode Step Control at initial startingEnd of initial operation mode 5 minutes Example Initial start control timing chartExample Minutes Emergency response operating mode 400 500 No Compressor Failure 48 % 65 %Control of SVM1 only FA type Control of BC ControllerControl of SVA, SVB and SVC Control of LEVOutdoor unit Operation Flow ChartNormal operations Trouble observed Stop Start Operation No commandBC controller Normal operationsIndoor unit Cooling operation Way valve OFF Indoor unit fan Operations Cooling operationNormal operations Test run Stop Test run start Thermostat onHeating operation Normal operations Defrosting operations Stop Test runThermostat on Inlet temp ˚C Dry operationThermostat on Same as those in cooling operationsMC1 List of Major Component FunctionsMC2 TH5 TH3TH4 TH6CH2 CH3Resistance of Temperature Sensor Low temperature than overload Control system Temperature Operating Characteristics and Refrigerant AmountAdjustment and Judgement of Refrigerant Amount SymptomAdditional Refrigerant Charge Volume Refrigerant VolumePURY-P400YMF-C PURY-P500YMF-C TH1 Refrigerant Volume Adjustment Mode OperationProcedure SC11 SC16Adjustment starts YES Turn all of switches ReadjustSW1 OFF Pipe Length Or less 60 ~ 90 m 18 kg 27 kg 31 kgPressure Sensor Connector GND Black Vout White Vcc DC5V RedPrincipal Parts Judging FailureLED Solenoid Valve SV1~8SW1 SV3 SV4 SV5 SV6Solenoid Valves Block1 CV5b Solenoid Valves BlockSV8 CV7b CV4bCheck Valves Block1 Check Valves Block2 CV5b CV4b CV2b CV3bCheck Valves Block2 CV6bOutdoor LEV LEV Valve Closing and Valve Opening OperationsCompared to the remote control’s Temperature sensed by Thermistor liquid pipe temperatureTemperature is considerably low Intake temperature display, it canPart a Tester ⊕ Intelligent Power Module IPMDiode stack 10~50 Ω TesterCheck voltage between a and B Check method and handlingAfter checking , if these are factors NET transmission line break on the side of the room unitPower terminal block Voltage Verify the power Main board ----CNS1, CNVCC3 PhenomenaUnit is removed INV board----CNAC2, CNVCC1, CNL2No powering signal INV board Case of M-NET remote controller30V Check Procedure CNS1, CNVCC3Transmission line Wiring miss Door unit M-NET 17 ~ 30V? Checking method & countermeasure Case Melans is not usedMelans Normal in case of 10V ~CNR, CNAC2 Investigation of transmission wave shape/noise Checking ForwiringMethod EarthingAgain, replace the compressor Disconnected wires should Insulation resistance 2MΩ or moreIf the problem is solved and you connect Vidual Parts Failure Judgment MethodsCNFAN~52F~CN05~CNMF TB1A~NF~TB1B~CNTR1~T01~CNTRTB1B~CNPOW, CNFAN~CN04~CNMF CNFC1~CNFC2IPM A1-A2 20~60Ω AC Current sensor AcctMotor Compressor Red White Black Black Capacitor C2,C3 Board RedStart Troubleshooting the major components of the BC controllerPressure sensor Pressure sensor troubleshooting flow OK?HPS Temperature Sensor Thermistor troubleshooting flow Problem No abnormalityTemperature ˚C Temperature sensor resistance graphResistance value Thermistor R o=15 k Ω Rt=15exp 273+t LEV, Solenoid Valve Troubleshooting Flow LEV Output superheat BC controller Subcool Solenoid Valve Troubleshooting FlowIntermediate subcool BC controller liquid Solenoid Valve SVM1 SVM is turned on and off in accordance with operation modeDisconnect the connector before measurement Normal MalfunctionService panel BC Controller Disassembly ProcedureControl Box 100 Thermistor Liquid and gas piping temperature detectionBe careful when removing heavy parts Procedure Ler panel TH11 TH12 CN10 TH15, TH16 CN11Solenoid Valve Coil 101LEV LEV3 LEV1102 103 CNRS2 CNRS3 MechanicalCNAC2 TB1B 105 LEV3 SVM BC 106SVM1 LEV3 107 LEV3 SVM SVA BCLEV3 SVM 108SVA SV3~8 109 SlevIndoor and outdoor units by oper 110Once vacuum operation protection is 2502 Drain pumpTB1A~NF~TB1B~CNTR1~F3~ 111T01~CNTR VDC 112TB1A~NF~TB1B, TB1B~DS~52C 113 MF1~CNFAN114 Thhs TH5 115TH HS TH8CNDR2-CNDR1 116IPM-MC1 117 118 ErrorOn, the wave shape is changed and the error is detected Communication/systemTransmission circuit bus-busy er Checking method and processing Error119 → Noise if existed, check the noiseCommunication trouble between Faulty generating controller 120Generating Display Detecting Shut down OC unit power source,Remote No reply Faulty transmission wiring at IC unit side More, and make them again122 123 124 System error 125126 127 How to read LED for service monitorLED Monitor Display CompComp COMP1 128LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 TH2 TH3 TH4 TH5 TH6 TH7129 130 131 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8132 133 IC16SC134 135 136 137 138 IC24SH139 IC24SC140 141 Stop all indoor units and the compressor Location of leaks Outdoor unit Cooling modeSC16 LED monitor switch Check that all indoor units have been stoppedLocation of leaks Outdoor unit when heating 144 145 LPSService Handbook PURY-P400, P500YMF-C