SERVICE MANUALCONTENTS1. TECHNICAL CHANGES ····································22. PART NAMES AND FUNCTIONS······················23. INDOOR/OUTDOOR CO
10OUTLINES AND DIMENSIONS7MXZ-32SV -MXZ-32SV -E2E1Unit: mmOUTDOOR UNIT2310 353209008846050900350.0480.8531.33172333Handle formovingAir inIndoor and ou
11WIRING DIAGRAM8POWER SUPPLY~/N 220-240V 50HzINDOORUNIT (A)CIRCUIT BREAKERTB2TB3BLUREDTB4X64GRN/YLWGRNCN720CN60104X64LD62CN913CN791CN9016 42CN902CN85
12REFRIGERANT SYSTEM DIAGRAM9Unit:mm● Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes,refe
1310The standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions,since operating con
1410-3-.2.Capacity and input correction by inverter output frequency (OUTDOOR UNIT:MXZ-32SV)The dotted line on graphs connects the frequency range in
0 5 10 15 20 2545678910Ambient temperature(:)45HzOutdoor unit current (A)Ambient temperature(:)/ Ambient humidity(%)Ambient temperature(:)/ Ambient hu
162. 09-class unit in single operationNOTE:The unit of pressure has been changed to MPa on the international system of units(SI unit system).The conve
173. 12-class unit in single operationNOTE:The unit of pressure has been changed to MPa on the international system of units(SI unit system).The conve
184. 18-class unit in single operationNOTE:The unit of pressure has been changed to MPa on the international system of units(SI unit system).The conve
19MICROPROCESSOR CONTROL11CompressorpowerfactorIndoor unitmicroprocessorSSR61DrivecircuitTransistormoduleIndoor UnitAIndoor UnitDIndoor UnitCIndoor Un
PART NAMES AND FUNCTIONS2OUTDOOR UNITAir inletAir outlet(back and side)Model indicationMXZ-32SV-MXZ-32SV-E2E12TECHNICAL CHANGES1MXZ-32RV - ➔ MXZ-32SV
20• The standard opening is on the straight line, which connects each standard point in the section where divided into seven according to the operatio
21(1) LEV opening correction by suction superheat (COOL, DRY)(Suction superheat) = (Minimum gas pipe temperature) - (Evaporation temperature)When COOL
2211-2.Operational frequency range(3) LEV opening correction by discharge temperatureWhen LEV correction output is 0 pulse by the suction superheat at
2311-3.Heat defrosting control(1) Conditions to enter defrosting mode1. When temperature of defrosting thermistor is -3; or less.2.When specified non-
24<Control status>The control performs when the following status are satisfied everything;• When there is 1 unit or more not operating indoor un
2512 TROUBLESHOOTING3. Troubleshooting procedure1) First, check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate
26Outdoor power system abnor-malityWhen the compressor operation has been interrupted by overcurrentprotection continuously three times within 1 minut
27Frequency drop by currentprotectionWhen the outdoor unit input current exceeds 22.5 A, the compressoroperates at reduced frequency.These symptoms do
28Part name Check method and criterionMeasure the resistance using a tester.(Part temperature -10°C ~ 40°C)Defrost thermistor Evaporation / Gas pipete
29BBCheck of serial signalTurn on power supply.NoYesYesNoNoYesNoYesStartCheck the connecting of main circuit parts and connectors (CN501: I.P.M P. C.
33INDOOR / OUTDOOR CORRESPONDENCE TABLE❈There is no combination other than this table.MXZ-32SV- E1 , MXZ-32SV- E2OUTDOOR UNITCombination of the con
30CCCheck of R. V. coilNoYesNoYesNoYesNoYesNoYesStart1. Disconnect the lead wire leading to the compressor.2. Turn on power supply to the indoor and
31DDCheck of LEVNoYesNoYesStartTurn on power supply to the outdoor unit after checking LEV coil is mounted to the LEV body securely.Is "click - c
32FFCheck of thermistorNormalYesNoAbnormalReconnect the connectors (CN661, CN662 and CN663) and disconnect the lead wire leading to the compressor. Tu
HHCheck of HPSInfinity0"YesNoStart1. Disconnect the connector CN722 in the electronic control P. C. board.2. Check the resistance of HPS after 1
34TEST POINT DIAGRAM AND VOLTAGEMXZ-32SV -, MXZ-32SV -Electronic control P.C.boardE2E1Gas pipe temperature thermistorEvaporation temperature thermisto
35Noise filter P.C.boardMXZ-32SV -E1{220V-240V ACOUTPUT{220V-240V AC INPUT{OUTDOOR FAN 220V-240V AC{REVERSING VALVE 220V-240V ACMXZ-32SV -E2{OUTDOOR F
36I.P.M P.C.boardMXZ-32SV -MXZ-32SV -E2E1Relay P.C.boardMXZ-32SV -MXZ-32SV -E2E1{{{{Short12V DCHigh pressure switch12V DC{12V DC{12V DC{320V DCOB254-2
37OPERATING PROCEDURE PHOTOS1.Removing the compressor(1)Remove the screws of the service panel, and remove it.Release refrigerant gas.(2)Remove the sc
38OPERATING PROCEDURE PHOTOS3.Removing the 4-way valve(1)Remove the screws of the top panel, and remove it.(See Photo 1.)(2)Remove the service panel,
39OPERATING PROCEDURE PHOTOS5.Removing the reactor(1)Remove the screws of the top panel, and remove it.(See Photo 1.)(2)Disconnect the reactor lead w
40709121807+0707+0907+1207+1809+0909+1209+1812+1212+1818+1807+07+0707+07+0907+07+1207+07+1807+09+0907+09+1207+09+1807+12+1207+12+1807+18+1890909090909
4014Part numbers that are circled are not shown in the illustration.12345678910111213141516171819202122M21 17A 501T2W E40 301T2W E40 452M21 17A
14-2. OUTDOOR UNIT STRUCTURAL PARTSMXZ-32SV -MXZ-32SV -E2E1416103119161217 144 513 12158When servicing , cut the tube to the proper length as shown in
421No. Parts NameSymbolin WiringDiagramParts No.Q'ty / unitRemarksE1MXZ-32SVT2W E59 704DRAIN SOCKET ASSEMBLY1DRAIN SOCKET O1DRAIN CAP O2E2114-3.
4315-1. Different-diameter pipeUnit : mm (inch)For different-diameterpipesMXZ-32SVMAC-454JPMAC-455JPMAC-456JPModel name51H-45451H-455516456Model codeC
New publication, effective Jun. 2006Specifications subject to change without notice.CCCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTDDistribute
5Indoor unitscombinationUnit A Unit B Unit C Unit DCooling capacity (kW)TotalOutdoor unitpower consumption(kW)Current(A)Powerfactor(%)220V 240V9090909
6NOTE: Electrical data is for outdoor unit only.0709121807+0707+0907+1207+1809+0909+1209+1812+1212+1818+1807+07+0707+07+0907+07+1207+07+1807+09+0907+0
7Indoor unitscombinationUnit A Unit B Unit C Unit DHeating capacity (kW)TotalOutdoor unitpower consumption(kW)Current(A)Powerfactor(%)220V 240V9090909
85SPECIFICATIONOutdoor modelIndoor units numberIndoor units total capacity (Connectable)indoor units total capacity (Simultaneous operation)Piping tot
9NOISE CRITERIA CURVES690807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20N
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