Mitsubishi Electric PUHY-500YMF-B Especificaciones

AIR CONDITIONERS CITY MULTIModels PUHY-200YMF-B, 250YMF-BPUHY-P200YMF-B, P250YMF-BPUY-200YMF-B, 250YMF-BPURY-200YMF-B, 250YMF-BPURY-P200YMF-B, P250YMF

–8–22222 COMPONENT OF EQUIPMENT[1] Appearance of ComponentsOutdoor unit• PU(H)Y-200, 250YMF-BRearPUHY-YMF-B PUY-YMF-BPropeller fanFan motorHeat exchan

–98–Judgment Methods and Likely Failure ModeCaution:The specifications of the outdoor unit (outdoor LEV) and outdoor units (indoor LEV) differ. For th

–99–Outdoor LEV (SLEV) Coil Removal Procedure (configuration)As shown in the figure, the outdoor LEV is made in such a way that the coils and the body

–100–Check Valves Block (PURY-(P)200·250YMF-B)The refrigerant flow in the pipe 6, 7, 8 and 9 are depend on ON/OFF of the SV3, 4, 5 and 6.Please confir

–101–Power transistorMeasure resistances between each terminal of transistor module with tester, and use the results for troubleshooting.Specified res

–102–Thyristor module (SCRM)<Judgment Method> Measure the resistance between each of the SCRM pins and judge if there is a failure or not bythe

–103–(5) Trouble and remedy of remote controllerSymptom Cause Checking method & countermeasure12Despite pressing ofremote controllerswitch, operat

–104–Symptom Cause3 “HO” display on re-mote controller doesnot disappear andswitch is ineffective.(Without using MELANS)1) Outdoor unit address is set

–105–Symptom Cause Checking method & countermeasure4 “88” appears on re-mote controller at theregistration andaccess remotecontrollera) Confirm th

–106–Transmission Power Circuit (30 V) Check ProcedureIf “” is not displayed by the remote control, investigate the points of the trouble by the follo

–107–(6) Investigation of transmission wave shape/noiseControl is performed by exchanging signals between outdoor unit, indoor unit and remote control

–9–• PUHY-P200·250YMF-BPropeller fanFan motorHeat exchanger (front)Heat exchanger (rear)Noise filterTerminal BoxCompressorDrierAccumulator Control Box

–108–3) Checking and measures to be taken(a) Measures against noiseCheck the items below when noise can be confirmed on wave shape or the error code i

–109–4) Treatment of Inverter and Compressor TroublesIf the compressor does not work when error codes 4210, 4240, 4310 or 4340 are detected, determine

–110–5) Treatment of Fan Motor Related TroublesCondition Possible Cause Check Method and Treatment1 It won’t run for 20 minutesor longer when the AKva

–111–6) Troubleshooting at breaker trippingCheck items Measures to be taken 1 Check the breaker capacity. 2 Check the a short circuit or grounding in

–112–7) Individual Parts Failure Judgment Methods.Part Name Judgment MethodDiode Stack (DS) Refer to “Judging Diode Stack Failure.”Transistor Module (

–113–

–114–(8) Troubleshooting the major components of the BC controller1) Pressure sensorPressure sensor troubleshooting flowCheck on the LED monitor dis-p

–115–Note 1 :• Symptoms of incorrect connection of BC controller pressure sensor to the boardNote 2 :• Check using LED monitor display switch (outdoor

–116–2) Temperature SensorThermistor troubleshooting flowStartDisconnect applicable thermistorconnector from the board.Measure temperature of applicab

–117–Note 1 :• Board connector CN10 corresponds to TH11 through TH14, while connectorCN11 corresponds to TH15 through TS15. Remove the applicable conn

–10–• PURY-P200·250YMF-BPropeller fanSolenoid Valves(SV) BlockFan motorHeat exchanger(rear)AccumulatorCompressorTerminal BoxCheck Valves(CV) BlockDrie

–118–3) LEV, Solenoid Valve Troubleshooting FlowNo coolingNo heatingCheck disconnection or loosenessof connectors.Is there a problem?Operate in coolin

–119–1 LEVNote 1 :• Symptoms of incorrect connection to BC controller LEV boardImproper installation is the same for 1 and 2, so it is omitted here. *

–120–665432154321251346BrownRedBlueOrangeYellowWhiteBrownRedBlueOrangeYellowWhiteToLEV10kΩ LED(Self-diagnostic monitor)Measured Data Signal OUTDOOR MA

–121–2 Solenoid ValveChange thesolenoid valve.Change the controlboard.220-240V output?With the solenoid valve con-nector is disconnected from theboard

–122–1BASolenoid Valves (SVA, SVB, SVC, SVM)Coordination signals output from the board and solenoid valve operations.Note 1 : (SVA, SVB, SVC)SVA, SVB

–123–[2] BC Controller Disassembly Procedure(1) Service PanelBe careful on removing heavy parts.Procedure Photos & Illustrations1. Remove the two

–124–(2) Control BoxBe careful on removing heavy parts.Procedure Photos<CMB-P104, 105, 106V-D>1. Removing the single screw that secures the elec

–125–PS3PS1(3) Thermistor (Liquid and gas piping temperature detection)Be careful when removing heavy parts.Procedure Photos1. Remove the service pane

–126–(5) LEVBe careful on removing heavy parts.Procedure Photos1. Remove the service panel. See (1)-1.2.3.4.2. Replace the applicable LEV.Important!1

–127–Check Code ListCheck Code Check Content0403 Serial transmission abnormality0900 Trial operation1102 Discharge temperature abnormality1111 Low pre

–11–Noise Filter BoxTerminal BoxNoise filterTerminal block TB3TransmissionTerminal block TB1Power sourceTerminal block TB7Transmission (Centralized co

–128–Check Code Check Content6606 Communications with transmission processor abnormality6607 No ACK abnormality6608 No response abnormality7100 Total

–129–Checking code Meaning, detecting method Cause Checking method & CountermeasureSerialtransmissionabnormality0403If serial transmission cannot

–130–Checking code Meaning, detecting method Cause Checking method & CountermeasureDischargetemperatureabnormality(Outdoor unit)11021. When 140˚C

–131–Checking code Meaning, detecting method Cause Checking method & CountermeasureLowpressuresaturationtempera-turesensorabnormal-ity (TH2)Liquid

–132–Checking code Meaning, detecting method Cause Checking method & Countermeasure13011302Low pressureabnoramlityHigh pressureabnoramlity 1(Outdo

–133–Checking code Meaning, detecting method Cause Checking method & Countermeasure130213681370LiquidsideIntermedi-ate sideHigh pressure abnoramli

–134–Checking code Meaning, detecting method Cause Checking method & Countermeasure15001501Insufficient refrigerant abnormality1.When liquid level

–135–Checking code Meaning, detecting method Cause Checking method & Countermeasure1505250025022503SuctionpressureabnormalityLeakage (water)abnorm

–136–Checking code Meaning, detecting method Cause Checking method & Countermeasure41034115Reverse phaseabnormalityPower supplysync signalabnoraml

–137–Checking code Meaning, detecting method Cause Checking method & Countermeasure41164200Fan speedabnormality(motorabnoramlity)VDC·IDCsensor/cir

–12–Controller BoxFANCON boardChoke coil (L2)INV boardMAIN boardThyristor module (SCRM)Diode stack (DS)Transistor module (TRM)Capacitor (C2, C3)(Smoot

–138–Checking code Meaning, detecting method Cause Checking method & Countermeasure42104220Breaking ofovercurrentBus voltageabnormality1 If IDC

–139–Checking code Meaning, detecting method Cause Checking method & Countermeasure42304240Radiator paneloverheatprotectionOvercurrentprotectionIf

–140–Checking code Meaning, detecting method Cause Checking method & Countermeasure4260510151025103510451055106510751085109511051125111Cooling fan

–141–Checking code Meaning, detecting method Cause Checking method & Countermeasure5201520152035301Pressuresensorabnormality(outdoor unit)IDC sens

–142–Checking code Meaning, detecting method Cause Checking method & Countermeasure7130 Differentindoor modelconnectedabnormalityAn exclusive R22

–143–(2) Communication/systemCheckingcode66006602Multiple address errorTransmission from units with thesame address is detected.Note:The address/attri

–144–Transmission processor hardwareerrorTransmission circuit bus-busy er-ror1 Collision of data transmission:Transmission can not be per-formed for 4

–145–Checkingcode6606Meaning, detecting method Cause Checking method & Countermeasure1) Data is not properly transmitted dueto casual errouneous o

–146–Checkingcode6607Meaning, detecting methodNo ACK error When no ACK signal is detected in 6 continuous times with 30 second interval bytransmissio

–147–Checkingcode6607(continued)Meaning, detecting methodSystemcompo-sitionGeneratingunit addressDisplay oftroubleDetectingmethodCause Checking method

–13–MAIN board• PUHYCN51Indication distance3-4 CompressorON/OFF3-5 TroubleLD1Service LEDCNRS3Serial transmission toINV boardCN3DCooling/Heating autoch

–148–Checkingcode6607(continued)Meaning, detecting methodSystemcompo-sitionGeneratingunit addressDisplay oftroubleDetectingmethodCause Checking method

–149–Checkingcode6607(continued)Meaning, detecting methodSystemcompo-sitionGeneratingunit addressDisplay oftroubleDetectingmethodCause Checking method

–150–1) Total capacity of indoor units in thesame refrigerant system exceedsthe following:2) Erroneous setting of OC model se-lector switch (SW3-10).1

–151–Checkingcode71027105710771117130Meaning, detecting method Cause Checking method & CountermeasureConnected unit count overAddress setting erro

–152–[4] LED Monitor Display(1) How to read LED for service monitorBy setting of DIP SW1-1 ~ 1-8, the unit operating condition can be observed with th

–153–1 PU(H)Y-(P)200·250YMF-BE: E2 Contents stored in the E2PROM; M: Monitored by the IC through communications; E*: Stored in service memory.No SW1 I

–154–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8212223242526272829303132333435363738394041424344454647484950511010100000011

–155–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8525354555657585960616263646566676869707172737475767778798081820010110000101

–156–When there is an error stop with No95-121,the data on error stops or the data immediately before the error postpone-ment stop, which is stored in

–157–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8112113114115116117118119120121122123124125126127128129130131132133134135136

–14–MAIN board• PURYCN51Indication distance3-4 CompressorON/OFF3-5 TroubleLD1Service LEDCNRS3Serial transmission toINV boardCNTR CNFC1CNVCC4Power sour

–158–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8140141142143144145146147148149150151152153154155156157158159160161162163164

–159–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8166167168169170171172173174175176177178179180181182183184185186187188189190

–160–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8200201202203204205206207208209210211212213214215216217218219220221222223224

–161–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8229230231232233234235236237238239240241242243244245246247248249250251252253

–162–2 PURY-(P)200·250YMF-BE: E2 Contents stored in the E2PROM; M: Monitored by the IC through communications; E*: Stored in service memory.No SW1 Ite

–163–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8212223242526272829303132333435363738394041424344454647484950511010100000011

–164–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8525354555657585960616263646566676869707172737475767778798081820010110000101

–165–When there is an error stop with No95-121,the data on error stops or the data immediately before the error postpone-ment stop, which is stored in

–166–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8112113114115116117118119120121122123124125126127128129130131132133134135136

–167–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8140141142143144145146147148149150151152153154155156157158159160161162163164

–15–INV boardCN3 CN2-1 CN2-2 CN2-3Output to transistor module (INVERTER)CNL2Choke coilCNTHCN30VCNVCC1Power supply1-2 30V, 1-3 30V4-6 12V, 5-6 5VCNVCC2

–168–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8166167168169170171172173174175176177178179180181182183184185186187188189190

–169–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8200201202203204205206207208209210211212213214215216217218219220221222223224

–170–No SW1 Item Display Remarks12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8229230231232233234235236237238239240241242243244245246247248249250251252253

–171–8 PREPARATION, REPAIRS AND REFRIGERANT REFILLING WHEN REPAIRINGLEAKS[1] Location of leaks: Extension piping or indoor units (when cooling)<PU(

–172–2-1 Check the Tc and TH7 data (PUHY-P200·250YMF-B).(The self-diagnosis switch (SW1) on the MAIIN board of the outdoor unit can be used to display

–173–[4] Location of leaks: Outdoor unit (when heating)1 Remove any refrigerant from the entire system (outdoor unit, extension piping and indoor unit

–174–YESYESYESYESYESNONONONONOStartTest run all indoor units.Is the refrigerantcomposition of αOCcorrect? (Note 2)Finished checking thecomposition.Che

–175–1ON234567891012345678910ONNote 1 Wait until the units stabilize as described in the refrigerant amount adjustment procedure in “Chapter 6”.Note 2

AIR CONDITIONERS CITY MULTIModels PUHY-200YMF-B, 250YMF-BPUHY-P200YMF-B, P250YMF-BPUY-200YMF-B, 250YMF-BPURY-200YMF-B, 250YMF-BPURY-P200YMF-B, P250YMF

–16–FANCON boardCNFC2CNUCNWCNV

–17–BC controllerCNTRCN02M-NETtransmissionCN03CN12Powersupply1 EARTH3 N5 LSW4 SW2 SW1

–18–TH1TH6TH7TH8TH5TH3TH4TH2Indoor unitsCJ1O/S63HSCJ1CompHEX2HEX1SCCLEV1ST7BV2ST2BV1ST1CJ2CV1ST6SV1CP1SV2ST5CP2CP4ST3ST4SLEVSAMACP363H6-227840 6CH93 8

–19–TH1TH6TH7TH8TH5TH3TH4TH2Indoor unitsCJ1O/S63HSCJ1CompHEX2HEX1SCCLEV1ST7BV2ST2BV1ST1CJ2CV1ST6SV1CP1SV2ST5CP2CP4ST3ST4SLEVSAMACP363H627840C93*Operat

–20–SCC11 085 7021.9(2.15)21.4(2.10)96 78111 8734 363.93 3.6719 -30.23 0.28-1 -342 -1CH82785 0LEV1HEX f HEX bTH6CS-CircuitSV2CP1CJ1CJ263HSSV1ST6CV1C

–21–: Solenoid valve: Orifice: Capillary: Check valve : Thermal sensor: Strainer SP : Service port ACC : Accumulator➃PURY-200YMF-B, 250

–22–TH1TH9DrierTH5TH3TH4TH2O/S63HS63LSSP1CompBV2BV1ST1SP2CS(Composition Sensing) circuitCV1ST6SV1CP1SV2ST5CP2CP3ST3ST4SLEVSAMACP363HTH10TH6HEXbCV7HEXf

–23–ON/OFF –STAND BY DEFROSTERROR CODEOA UNIT ADDRESS NO.CENTRALLY CONTROLLEDCLOCKONOFF˚C1Hr.NOT AVAILABLE˚CCHECK MODEFILTERCHECKTEST RUNONOFFCLOCKFI

–24–[4] Electrical Wiring Diagram1 PU(H)Y-(P)200·250YMF-BkQrlQlPkPPmkRod@@ioQqUkdc@|TQfjfjfjfjfjfjbmlevfQtjPtfQrbqltfPttjQvjPvjQvvfPujPufPujQufQutkPqk

–25–sgTfkduPsgQqsgWfsgVvWQPneeFOnmFPPmDQmDPTmDPSmDPQmDPOmDWmDUmDSmDPUmDPmDPRm DPPmDXmDVmDTmDRmDQ mDTmDX mDPR m DPUmDUmDPO m DPSmDVmDPPmDP mDS mDWmDPQ

–26–CNTR(3P)CN3(6P)CNL2(2P)CN30V(2P)MF1PurpleR7FB6BlackYellowOrangeL2Power circuit board(INV board)BOX BODYInverterController BoxRedBrownBlackPurpleBl

–27–FLAG8 always lights atmicrocomputer powerON(Front)InverterControllerBoxTH4TH3ACCUMULATOR63LSSV1SV2TH10BlownOilseparator21S463H63HSTH1SLEVMCFLAG8Ch

–1–11111 PRECAUTIONS FOR DEVICES THAT USE R407C REFRIGERANTCautionDo not use the existing refrigerant piping.• The old refrigerant and refrigerator oi

–28–Symbol explanationPE321321EARTHTerminal block(for Transmission)TB02Terminal block(for power source)TB01Note:TB02 is terminal block for transmissio

–29–4 CMB-P105V-DCMB-P105V-ESymbol explanationPE321321EARTHTerminal block(for Transmission)TB02Terminal block(for power source)TB01Note:TB02 is termin

–30–5 CMB-P106V-DCMB-P106V-EPE321321EARTHNote:TB02 is terminal block for transmission. Never connect power line to it.Transmission lineShield wire

–31–6 CMB-P108V-DCMB-P108V-E* Only for CMB-P-V-EPE321321EARTH}Power source}}LNPower source /N 220V 240V 50HzNote:TB02 is terminal block for tran

–32–7 CMB-P1010V-DCMB-P1010V-E* Only for CMB-P-V-EPE321321EARTH}Power source}}LNPower source /N 220V 240V 50HzNote:TB02 is terminal block for tr

–33–8 CMB-P1013V-EPEEARTH123123TB02TB01NameSymbolTerminal block(for Transmission)Solenoid valveSolenoid valveSolenoid valveSolenoid valveTerminal bloc

–34–9 CMB-P1016V-EPEEARTH123123TB02TB01NameSymbolTerminal block(for Transmission)Solenoid valveSolenoid valveSolenoid valveSolenoid valveTerminal bloc

–35–[5] Standard Operation Data(1) Cooling operation1 PU(H)Y-200·250YMF-BOutdoor unitItemsPUHY-200YMF-BPUY-200YMF-BPUHY-250YMF-BPUY-250YMF-BIndoorOutd

–36–PUHY-P200·250YMF-BOutdoor unitItemsPUHY-P200YMF-B PUHY-P250YMF-BIndoorOutdoorQuantityQuantity in operationModelMain pipeBranch pipeTotal piping le

–37–380 415 380 415270/75 270/75 340/95 340/9515.1 13.8 19.0 17.4PURY-200·250YMF-BOutdoor unitItemsPURY-P200YMF-B PURY-P250YMF-BIndoorOutdoorQuantityQ

–2–[1] Storage of Piping Material(1) Storage locationStore the pipes to be used indoors. (Warehouse at site or owner’s warehouse)Storing them outdoors

–38–PURY-P200·250YMF-BOutdoor unitItemsPURY-P200YMF-B PURY-P250YMF-BIndoorOutdoorQuantityQuantity in operationModelMain pipeBranch pipeTotal piping le

–39–2 Heating operationPUHY-200·250YMF-BOutdoor unitItemsPUHY-200YMF-B PUHY-250YMF-BIndoorOutdoorQuantityQuantity in operationModelMain pipeBranch pip

–40–PUHY-P200·250YMF-BOutdoor unitItemsPUHY-P200YMF-B PUHY-P250YMF-BIndoorOutdoorQuantityQuantity in operationModelMain pipeBranch pipeTotal piping le

–41–PURY-200·250YMF-BOutdoor unitItemsPURY-200YMF-B PURY-250YMF-BIndoorOutdoorQuantityQuantity in operationModelMain pipeBranch pipeTotal piping lengt

–42–PURY-P200·250YMF-BOutdoor unitItemsPURY-P200YMF-B PURY-P250YMF-BIndoorOutdoorQuantityQuantity in operationModelMain pipeBranch pipeTotal piping le

–43–[6] Function of Dip SW and Rotary SW(1) Outdoor unit1 PU(H)Y-200·250YMF-BSwitch FunctionFunction according to switch operation Switch set timingWh

–44–2 PUHY-P200·250YMF-BSwitch FunctionFunction according to switch operation Switch set timingWhen off When on When off When onSWUSW1SW2SW3SW41~21~89

–45–3 PURY-200·250YMF-BSwitch FunctionFunction according to switch operation Switch set timingWhen off When on When off When onSWUSW1SW2SW3SW41~21~89~

–46–4 PURY-P200·250YMF-BSwitch FunctionFunction according to switch operation Switch set timingWhen off When on When off When onSWUSW1SW2SW3SW41~21~89

–47–(2) Indoor unitDIP SW1, 3Note 1: The shaded part indicates the setting at factory shipment. (For the SW not being shaded, refer to th

–3–[2] Piping MachiningUse ester oil, ether oil or alkylbenzene (small amount) as the refrigerator oil to coat flares and flange connections.Use only

–48–Setting of DIP SW4 Setting of DIP SW5Model Circuit board usedSW41234––––ON ON ON OFFON OFF ON OFFOFF OFF OFF ONON OFF OFF ONOFF ON OFF ONOFF OFF O

–49–33333 TEST RUN[1] Before Test Run(1) Check points before test run1 Neither refrigerant leak nor loose power source/ transmission lines should be

–50–(3) Check points for test run when mounting options(4) Attention for mounting drain water lifting-up mechanismCheck pointLocal remote controller d

–51–

–52–(5) Check points for system structureex. PURY-200YMF-BCheck points from installation work to test run.TroubleNot operate.Not cool (at cooling).Not

–53–ClassificationTransmissionlineSystem setBefore startingPortion Check item1Limitation of transmission line length followed? Forexample, 200m or le

–54–[2] Test Run MethodOperation procedure1Turn on universal power supply at least 12 hours before getting started → Displaying “HO” on display panel

–55–4 GROUPING REGISTRATION OF INDOOR UNITS WITH REMOTE CONTROLLER(1) Switch function• The switch operation to register with the remote controller is

–56–(2) Attribute display of unit• At the group registration and the confirmation/deletion of registration/connection information, the type (attribute

–57–(3) Group registration of indoor unit1) Registration method• Group registration of indoor unit ...

–4–[3] Necessary Apparatus and Materials and Notes on Their HandlingThe following tools should be marked as dedicated tools for R407C.<<Comparis

–58–2) Method of retrieval/confirmation• Retrieval/confirmation of group registration information on indoor unit... 2The address of the i

–59–3) Method of deletion• Deletion of group registration information of indoor unit ... 4[Operation procedure]1 Wi

–60–4) Deletion of information on address not existing• Deletion of information on address not existing ...

–61–55555 CONTROL[1] Control of Outdoor Unit(1) Initial processing• When turning on power source, initial processing of microcomputer is given top pri

–62–(4) Frequency control• Depending on capacity required, capacity control change and frequency change are performed to keep constantevaporation temp

–63–3-2 Back up of frequency control by bypass valve (PUHY-P200·250YMF-B, PURY-(P)200·250YMF-B)During 20Hz operations, frequency is backed up by turni

–64–2 PURY-(P)200·250YMF-B1) Starting of defrost operations• After integrated 50 minutes of compressor operations, defrosting operations start when –8

–65–2) Control of refrigerant amountCooling(a)Prohibition of liquid level detection• Liquid level is detected in normal conditions except for the foll

–66–2 PURY-(P)200·250YMF-BJudge refrigerant amount by detecting refrigerant liquid surface accumulator.1) Judgement of accumulator liquid levelReturn

–67–• When turning on liquid level trouble ignore switch (SW2-6), error stop is not observed, and 3 minutes restartprevention by intermittent fault ch

–5–[4] BrazingNo changes from the conventional method, but special care is required so that foreign matter (ie. oxide scale, water, dirt,etc.) does no

–68–ModeConnection2000Superheatcontrol *16060 *4DifferentialPressure control*22000200060100060[2] Control of BC Controller(1) Control of SVA, SVB and

–69–YESNOYESNOYESYESNONONormal operationsTrouble observedStopStartBreakerturned onSet indoor ad-dress No. to remotecontrollerOperationcommandOperation

–70–(2) BC controller (for PURY)Note : 1 Two error modes include indoor unit side trouble, BC controller trouble, and outdoor unit side trouble. In th

–71–(3) Indoor unitYESNOYESNOYESNOYESNOYESNOYESNOYESNOYESNONormal operationsTrouble observedStopStartBreakerturned onOperation SWturned on1. Protectio

–72–(4) Cooling operationYESNOYESYESNONO1. Inverter output 0Hz2. Indoor unit LEV, oil return LEV,Subcool coil bypass LEV fullyclosed3. Solenoid valve

–73–YESYESNOYESYESNONONO(5) Heating operationNormal operationsDefrosting operationsStopTest run1. Indoor unit fan very low speedoperations2. Inverter

–74–YESNOYESYESNO(6) Dry operationNormal operationsThermostat ONStop1. Indoor unit fan stop2. Inverter output 0Hz3. Indoor unit LEV, oil return LEVcl

–75–Low pressure shell scroll typewith capacity control mechanismWinding resistance:Each phase 0.388Ω (20˚C)Setting 30kg/cm2G(2.94MPa) OFFR120=7.465kΩ

–76–Name Application Specification Check method ObjectOutdoor unitSymbol(function)ThermistorSolenoidvalveLinearexpansionvalveLiquid leveldetectionheat

–77–Name Application Specification Check method ObjectBC controllerSymbol(function)1273+tPressuresensorThermistorSolenoidvalveElectronicexpansionvalve

–6–[5] Airtightness TestNo changes from the conventional method. Note that a refrigerant leakage detector for R22 cannot detect R407Cleakage.Halide to

–78–[5] Resistance of Temperature SensorThermistor for low temperatureThermistor Ro= 15kΩ ± 3% (TH3 ~ 9) Thermistor R120 = 7.465kΩ ± 2% (TH1, 10)Rt =

–79–66666 REFRIGERANT AMOUNT ADJUSTMENTClarify relationship between the refrigerant amount and operating characteristics of CITY MULTI, and perform se

–80–(2) Refrigerant Volume Adjustment Operation (PU(H)Y-(P)200·250YMF-B)1) Operating Characteristics Refrigerant VolumeCharacteristic items related to

–81–b Cautions When Judging the Liquid LevelIf you are judging the liquid level, be sure to use it only after making sure the liquid level sensor func

–82–3) Refrigerant Volume Adjustment Mode Operation2 ProcedureDepending on the operating conditions, it may be necessary either to charge with supplem

–83–(3) Refrigerant adjustment in cooling season (When the high pressure is 14 kg/cm2G (1.37MPa) or greater)Caution :• Do not let the drained out refr

–84–YESNOFlow Chart (When a high pressure cannot be maintained at 14 kg/cm2G (1.37MPa) in the intermediate period)Caution: (PUHY-P200·250YMF-B)Always

–85–YESNO(4) Refrigerant adjustment in heating season* If adjustment of the refrigerant volume was done by heatingoperation, it is possible that accum

–86–Note 1 If there are any units which are not operating, it will cause refrigerant to accumulate, so by all means operate allthe indoor units. Also,

–87–(5) Refrigerant Amount Adjustment Mode Operations (PURY-(P)200·250YMF-B)1) ProcedureFollow the procedure shown below when needs to additionally re

–7–[7] Charging of RefrigerantR407C must be in a liquid state when charging, because it is a non-azeotropic refrigerant.For a cylinder with a syphon a

–88–YESNO2) Refrigerant adjustment in cooling season1 Flow chartCooling operations of all indoor unitsin test run mode.After compressor start, turn on

–89–2 Additional replenishment amount and discharge amount of refrigerantTable-1 PURY-(P)250YMF-B (In case total capacity code is 40 or more and displ

–90–3 Time required for recovering refrigerant from low pressure service port (minute)3.5~4.5 4.5~5.5 5.5 ~ 7.5(0.34~0.44) (0.44~0.54) (0.54~0.74)1 4.

–91–3) Refrigerant adjustment in heating season1 Flow chart* Valid for only 2 hours in the test run mode. All work must therefore be carried out withi

–92–Note :1. Be sure to operate all indoor units because refrigerant is accumulated in stopped unit. Change mode to test runmode for preventing stabil

–93–77777 TROUBLESHOOTING[1] Principal PartsPressure Sensor(1) Judging Failure1) Check for failure by comparing the sensing pressure according to the

–94–* Connector connection specifications on the pressure sensor body side.The connector’s pin numbers on the pressure sensor body side differ from th

–95–Solenoid Valve (SV1~6) (PURY-(P)200·250YMF-B)Check if the control board’s output signals and the operation of the solenoid valves match.Setting th

–96–(d) The refrigerant flow is as following figure. Hot gas (high pressured) flows in cooling mode and cool gas/liquid(low pressured) flows in heatin

–97–Outdoor LEVThe valve opening angle changes in proportion to the number of pulses.(Connections between the outdoor unit’s MAIN board and SLEV, LEV1