Mitsubishi Electric MXZ-5C100VA Service Manual

SERVICE MANUALCONTENTS1. TECHNICAL CHANGES ··································· 32. PART NAMES AND FUNCTIONS ····················· 43. SPECIFICATION ··

10COOLING INDOOR Dry-bulb temperature 27.0°C Wet-bulb temperature 19.0°C OUTDOOR Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°CHEATING I

1002. Outdoor electronic control P.C. boardLED 1LED 2Bus-bar voltageCN801325~370 V DCInput(((LEV Room A(12V DCpulse wave(LEV Room B(12V DCpulse wave(L

1010 1020304050607080901001101207006005004003002001000Resistance (kΩ)Temperature (°C)Discharge temperature thermistor (RT62)-20-10 0 10203040100908070

102CN931 to fan moterCN801 to power board325 - 350V DC InputF930 FUSET3.15AL250VF801 FUSET3.15AL250VSW1SW2SW871LED 3LED 2LED 1CN681High pressure switc

103MXZ-3C54VA MXZ-3C68VA MXZ-4C71VA230V ACOutputF64 FUSET2AL250V{{CN901To electroniccontrol P.C. boardCN912R.V. coil230V AC{CN902To powerboardCN90

104R.V.coil(CN912)230V ACBack side of unitMXZ-2C30VA MXZ-2C40VA MXZ-2C52VAFront side of unitTo inverter P.C.board (CN934)F61 (FUSE)T20AL250V5. P

105MXZ-6C120VAFUSE(F65N)T6.3AL250VCN912230V ACOutputCN61230V ACOutputFUSE(F65L)T6.3AL250VCN911To control P.C. board12V DCX64BX64A)CN2To controlP.C. bo

106MXZ-2C30VA MXZ-2C40VA MXZ-2C52VA7. Display P.C. boardMXZ-2C30VA MXZ-2C40VA MXZ-2C52VA8. Interface P.C. boardSW1GND5VLED2LED1GND5VSerial

107DISASSEMBLY INSTRUCTIONS12(1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector has the l

1084. Removing the discharge temperature thermistor, defrost thermistor and outdoor heat exchanger temperature thermistor (1) Remove the top panel, ca

109OPERATING PROCEDUREPHOTOSPhoto 6Defrostthermistor5. Removing outdoor fan motor(1) Remove the top panel, cabinet and service panel (Refer to 1).

11COOLING INDOOR Dry-bulb temperature 27.0°C Wet-bulb temperature 19.0°C OUTDOOR Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°CHEATING I

11012-2. MXZ-3C54VA MXZ-3C68VA MXZ-4C71VANOTE: Turn OFF power supply before disassembly.OPERATING PROCEDUREPHOTOS1. Removing the compressor(1) Re

111OPERATING PROCEDUREPHOTOS3. Removing the fan motor(1) Remove the top panel, the service panel, and the cabinet (Photo 1, 2).(2) Disconnect the co

112OPERATING PROCEDURE PHOTOS6. Removing the reactor(1) Remove the top panel (Photo 1).(2) Remove the service panel, cabinet, back panel, and the

11312-3. MXZ-4C80VA MXZ-5C100VANOTE: Turn OFF power supply before disassembly.OPERATING PROCEDUREPHOTOS1. Removing the compressor(1) Remove the s

114OPERATING PROCEDUREPHOTOSPhoto 4Suction pipe brazed partDischarge pipe brazed partCompressor nuts (3 places)Photo 3Screws of the electrical parts 2

115OPERATING PROCEDUREPHOTOS4. Removing the expansion valve(1) Remove the top panel (Photo 1,2).(2) Remove the service panel (Photo 1). (Gas recover

11612-4. MXZ-6C120VANOTE: Turn OFF power supply before disassembly.OPERATING PROCEDUREPHOTOS1. Removing the compressor(1) Remove the screws of the to

117OPERATING PROCEDUREPHOTOSPhoto 3Screws of the electrical parts 2. Removing the fan motor(1) Remove the top panel, the service panel, and the front

118OPERATING PROCEDUREPHOTOS4. Removing the expansion valve(1) Remove the top panel (Photo 1).(2) Remove the service panel (Photo 1). (Gas recovery

119OPERATING PROCEDUREPHOTOS5. Removing the control P.C. board, the reactor and the power board(1) Remove the top panel and the service panel (Photo 1

12COOLING INDOOR Dry-bulb temperature 27.0°C Wet-bulb temperature 19.0°C OUTDOOR Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°CHEATING I

Copyright 2010 MITSUBISHI ELECTRIC ELECTRIC CORPORATIONDistributed in Jun. 2012. No.OBH584 REVISED EDITION-BDistributed in Apr. 2011. No.OBH584 RE

MXZ-2C30VA COOLINGCurrent PowerUnit A Unit B (A) factor(%)( 0.90 - 2.40 ) ( 0.140 - 0.670 )( 0.90 - 2.60 ) ( 0.140 - 0.720 )( 0.90 - 3.00 ) ( 0.120 -

MXZ-2C30VA HEATINGCurrent PowerUnit A Unit B (A) factor(%)( 0.90 - 3.10 ) ( 0.140 - 0.820 )( 0.90 - 3.10 ) ( 0.140 - 0.850 )( 0.90 - 4.00 ) ( 0.110 -

MXZ-2C40VA COOLINGCurrent PowerUnit A Unit B (A) factor(%)( 0.90 - 2.70 ) ( 0.260 - 0.890 )( 0.90 - 2.70 ) ( 0.260 - 0.890 )( 0.90 - 3.00 ) ( 0.120 -

MXZ-2C40VA HEATINGCurrent PowerUnit A Unit B (A) factor(%)( 0.90 - 3.10 ) ( 0.230 - 1.080 )( 0.90 - 3.10 ) ( 0.230 - 1.080 )( 0.90 - 4.00 ) ( 0.110 -

MXZ-2C52VA COOLINGCurrent PowerUnit A Unit B (A) factor(%)( 0.90 - 2.80 ) ( 0.280 - 0.820 )( 0.90 - 2.90 ) ( 0.280 - 0.870 )( 0.90 - 3.00 ) ( 0.120 -

MXZ-2C52VA HEATINGCurrent PowerUnit A Unit B (A) factor(%)( 0.90 - 3.10 ) ( 0.200 - 1.140 )( 0.90 - 3.30 ) ( 0.200 - 1.170 )( 0.90 - 4.00 ) ( 0.110 -

MXZ-3C54VA COOLINGCurrent PowerUnit A Unit B Unit C (A) factor(%)( 1.4 - 3.0 ) ( 0.410 - 1.020 )( 1.4 - 3.0 ) ( 0.410 - 1.020 )( 1.4 - 3.0 ) ( 0.420 -

MXZ-3C54VA COOLINGCurrent PowerUnit A Unit B Unit C (A) factor(%)Cooling capacity (kW) Outdoor unitTotalIndoor unitscombination power consumption(kW)(

MXZ-3C54VA COOLINGCurrent PowerUnit A Unit B Unit C (A) factor(%)Cooling capacity (kW) Outdoor unitTotalIndoor unitscombination power consumption(kW)(

13Outdoor modelIndoor units number Piping total lengthConnecting pipe lengthHeight difference (Indoor ~ Outdoor)Height difference (Indoor ~ Indoor)Fun

MXZ-3C54VA HEATINGCurrent PowerUnit A Unit B Unit C (A) factor(%)( 1.2 - 3.0 ) ( 0.400 - 1.020 )( 1.2 - 3.9 ) ( 0.390 - 1.440 )( 1.2 - 4.2 ) ( 0.380 -

MXZ-3C54VA HEATINGCurrent PowerUnit A Unit B Unit C (A) factor(%)Outdoor unitpower consumption(kW)Heating capacity (kW)TotalIndoor unitscombination( 2

MXZ-3C54VA HEATINGCurrent PowerUnit A Unit B Unit C (A) factor(%)Outdoor unitpower consumption(kW)Heating capacity (kW)TotalIndoor unitscombination( 2

MXZ-3C68VA COOLINGIndoor units Current Powercombination Unit A Unit B Unit C (A) factor(%)( 1.4 - 3.0 ) ( 0.450 - 1.020 )( 1.4 - 3.0 ) ( 0.450 - 1.020

MXZ-3C68VA COOLINGIndoor units Current Powercombination Unit A Unit B Unit C (A) factor(%)Cooling capacity (kW) Outdoor unitpower consumption(kW)Total

MXZ-3C68VA COOLINGIndoor units Current Powercombination Unit A Unit B Unit C (A) factor(%)Cooling capacity (kW) Outdoor unitpower consumption(kW)Total

MXZ-3C68VA COOLINGIndoor units Current Powercombination Unit A Unit B Unit C (A) factor(%)Cooling capacity (kW) Outdoor unitpower consumption(kW)Total

MXZ-3C68VA HEATING Indoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Total power consumption(kW) (A) facto

MXZ-3C68VA HEATING Indoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Total power consumption(kW) (A) facto

MXZ-3C68VA HEATING Indoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Total power consumption(kW) (A) facto

14NOISE CRITERIA CURVES490807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20

MXZ-3C68VA HEATING Indoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Total power consumption(kW) (A) facto

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)( 1.4 - 3.0 ) ( 0.450 - 1.020 )( 1.4 - 3.0 ) ( 0.450 - 1.020 )( 1.4 - 3.0 ) (

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Indoor unitscombinationCooling capacity (kW)TotalOutdoor unitpower consumptio

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Indoor unitscombinationCooling capacity (kW)TotalOutdoor unitpower consumptio

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Indoor unitscombinationCooling capacity (kW)TotalOutdoor unitpower consumptio

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Indoor unitscombinationCooling capacity (kW)TotalOutdoor unitpower consumptio

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Indoor unitscombinationCooling capacity (kW)TotalOutdoor unitpower consumptio

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Indoor unitscombinationCooling capacity (kW)TotalOutdoor unitpower consumptio

MXZ-4C71VA COOLING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Indoor unitscombinationCooling capacity (kW)TotalOutdoor unitpower consumptio

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)( 1.2 - 3.0 ) ( 0.400 - 0.950 )( 1.2 - 3.9 ) ( 0.390 - 1.330 )( 1.2 - 4.2 ) (

1590807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating capacity (kW)

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating capacity (kW)

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating capacity (kW)

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating capacity (kW)

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating capacity (kW)

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating capacity (kW)

MXZ-4C71VA HEATING Current PowerUnit A Unit B Unit C Unit D (A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating capacity (kW)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

16OUTDOOR UNITMICROPHONE1mTest conditions Cooling :Dry-bulb temperature 35°C Wet-bulb temperature 24°C Heating :Dry-bulb temperature 7°C Wet-bul

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA COOLINGIndoor units Cooling capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

17OUTLINES AND DIMENSIONS5MXZ-2C30VA MXZ-2C40VA MXZ-2C52VA51 51170.444400304 325344.517.54022.355028010800500150302.51323 28551251.169handleAir o

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-4C80VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Total power consumption(kW) (A)

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

18100 or more500 or more350 or more350 or more100 or more500 or more100 or more100 or more350 or more200 or more500 or moreService space1.Installation

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

19100 or more500 or more350 or more350 or more100 or more500 or more100 or more100 or more350 or more200 or more500 or moreService space1.Installation

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

2<Preparation before the repair service> Prepare the proper tools. Prepare the proper protectors. Provide adequate ventilation. After stoppi

20MXZ-4C80VA MXZ-5C100VAUnit: mm460317900Air out900HandleHandle3574200 20050035250270355(Bolt pitch)3874027161611243- 33 Drain hole(Base bolt M1

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA COOLINGIndoor units Cooling capacity (kW) Outdoor unitCurrent Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption(

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

21MXZ-6C120VAUnit: mm548340900Air out1070Handle48200 200500450355(Bolt pitch)402716161124 42 Drain hole(Base bolt M10)(Base bolt M10)2-U Shaped

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

22WIRING DIAGRAM6MXZ-2C30VA MXZ-2C40VA MXZ-2C52VA OBH584B

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-5C100VA HEATINGIndoor units Heating capacity (kW) Outdoor unit Current Powercombination Unit A Unit B Unit C Unit D Unit E Total power consumption

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)4.39 95( 1.40 - 2.10 ) ( 0.89 - 1.15 )4.49 95( 1.80 - 2.80 ) ( 0

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

23MXZ-3C54VA OBH584B

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

24MXZ-3C68VA OBH584B

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

25MXZ-4C71VA OBH584B

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

26MXZ-4C80VA OBH584B

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA COOLINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationCooling

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)4.71 95( 1.50 - 3.00 ) ( 0.91 - 1.92 )4.90 95( 2.00 - 3.90 ) ( 0

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

27MXZ-5C100VA OBH584B

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

28MXZ-6C120VA -E1OBH584B

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

29MXZ-6C120VA -E2OBH584B

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

3TECHNICAL CHANGES1MXZ-3B54VA -E1 MXZ-3C54VA -E1MXZ-3B68VA -E1 MXZ-3C68VA -E1MXZ-4B71VA -E1 MXZ-4C71VA -E1MXZ-4B80VA -E1 MXZ-4C80VA -E

30REFRIGERANT SYSTEM DIAGRAM7abOutdoorunitIndoorunits10m10m10m Refrigerant piping length (one way, 2 unit total)Max.HeightdifferenceOutdoor unit prech

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

MXZ-6C120VA HEATINGCurrent PowerUnit A Unit B Unit C Unit D Unit E Unit F(A) factor(%)Outdoor unitpower consumption(kW)Indoor unitscombinationHeating

31 Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below. UNIT: mm (

32Stop valve(with strainer #100)LEV ALEV BCompressorDefrostthermistorRT61DistributorMuffler4-way valveIndoor unitBIndoor unitAIndoor unitAIndoor unitB

33Strainer#100PowerreceiverLEV ALEV BLEV COil separatorCompressorDefrostthermistorRT61DistributorMuffler4-way valveLEV EIndoor unitCIndoor unitBIndoor

34UNIT: mm Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below. W

35abcdOutdoorunitIndoorunits15m15m10mRefrigerant piping length (one way, 4 unit total)Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)

36abcdOutdoorunitIndoorunits15m10m15mRefrigerant piping length (one way, 5 unit total)Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)

37abcdOutdoorunitIndoorunits15m10m15mRefrigerant piping length (one way, 6 unit total)Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 60)

38abcdOutdoorunitIndoorunits15m10m15mRefrigerant piping length (one way, 6 unit total)Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 60)

39PERFORMANCE CURVES8The standard specifications apply only to the operation of the air conditioner under normal conditions.Since operating conditions

4PART NAMES AND FUNCTIONS2ACCESSORIESDrain socketDrain cap (MXZ-3C/4C/5C)12MXZ-4C80VAMXZ-5C100VAAir outletDrain outletAir inlet(Back and side)Air outl

408-1. CAPACITY AND THE INPUT CURVES 22 class8.57.87.16.45.85.16.35.85.34.84.33.99.38.57.87.06.35.68.07.36.76.05.44.860 class10.69.78.87.97.16.313.111

41MXZ-4C80VA MXZ-5C100VA MXZ-6C120VA22 class8.57.87.16.45.85.19.38.57.87.06.35.66.35.85.34.84.33.98.07.36.76.05.44.86.35.85.34.84.33.98.07.36.76.05.

42 15-class unit 20-class unit 22-class unit 25-class unit<HEAT>Capacity <HEAT>Total inputFrequencyHzFrequencyHz<COOL>CapacityFr

430 50 100 1500.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.51.01.5<COOL>Total inputFrequencyHz0 50 100 1500.51.01.5<HEAT>Capacity

440 50 100 1500.00.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.00.51.01.5<COOL>Total inputFrequencyHz0 50 100 1500.00.51.01.5<HEAT>

450 50 100 1500.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.51.01.5<COOL>Total inputFrequencyHz0 50 100 1500.51.01.5<HEAT>Capacity

46 25-class unit0 50 100 1500.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.51.01.5<HEAT>CapacityFrequencyHz0 50 100 1500.51.01.5<COOL

47<COOL>CapacityFrequencyHz<COOL>Total inputFrequencyHz<HEAT>Capacity <HEAT>Total inputFrequencyHzFrequencyHz<COOL>Capac

48<COOL>CapacityFrequencyHz<COOL>Total inputFrequencyHz<HEAT>Capacity <HEAT>Total inputFrequencyHzFrequencyHz<COOL>Capac

49MXZ-4C71VA<COOL>CapacityFrequencyHz<COOL>Total inputFrequencyHz<HEAT>Capacity <HEAT>Total inputFrequencyHzFrequencyHz<COO

5SPECIFICATION3Outdoor modelIndoor units number Piping total lengthConnecting pipe lengthHeight difference (Indoor ~ Outdoor)Height difference (Indoor

50MXZ-4C71VA<COOL>CapacityFrequencyHz<COOL>Total inputFrequencyHz<HEAT>Capacity <HEAT>Total inputFrequencyHzFrequencyHz<COO

51MXZ-4C80VA0 50 100 1500.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.51.01.5<COOL>Total inputFrequencyHz0 50 100 1500.51.01.5<HEAT&g

520 50 100 1500.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.51.01.5<COOL>Total inputFrequencyHz0 50 100 1500.51.01.5<HEAT>Capacity

53MXZ-5C100VA0 50 100 1500.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.51.01.5<COOL>Total inputFrequencyHz0 50 100 1500.51.01.5<HEAT&

540 50 100 1500.51.01.5<COOL>CapacityFrequencyHz0 50 100 1500.51.01.5<COOL>Total inputFrequencyHz0 50 100 1500.51.01.5<HEAT>Capacity

55MXZ-6C120VA<COOL>CapacityFrequency0 50 100 1500.00.51.01.5<COOL>Total inputFrequency0 50 100 1500.00.51.01.5Frequency0 50 100 1500.00.51

56<COOL>CapacityFrequency0 50 100 1500.00.51.01.5<COOL>Total inputFrequency0 50 100 1500.00.51.01.5Frequency0 50 100 1500.00.51.01.50 50 1

571. Press EMERGENCY OPERATION switch to COOL or HEAT mode (COOL : Press once, HEAT : Press twice).2. Test run operation starts and continues to opera

58MXZ-2C52VA 22-class unit 25-class unit 35-class unit 15-class unit 20-class unit 22-class unit 25-class unitAmbient temperature ( )Ambient

59 22-class unit 25-class unit 15-class unit 20-class unitMXZ-3C54VAAmbient temperature ( )Ambient humidity (%)Ambient temperature ( )Ambient

6Outdoor modelIndoor units number Piping total lengthConnecting pipe lengthHeight difference (Indoor ~ Outdoor)Height difference (Indoor ~ Indoor)Func

60 42-class unitAmbient temperature ( )Ambient humidity (%)Ambient temperature ( )Ambient humidity (%)Outdoor low pressure(MPa[Gauge])Outdoor uni

61MXZ-4C80VA 22-class unitAmbient temperature ( )Ambient humidity (%)Ambient temperature ( )Ambient humidity (%)Outdoor low pressure(MPa[Gauge])O

62MXZ-5C100VAAmbient temperature ( )Ambient humidity (%)Ambient temperature ( )Ambient humidity (%)Outdoor low pressure(MPa[Gauge])Outdoor unit cu

63Ambient temperature ( )Ambient humidity (%)Ambient temperature ( )Ambient humidity (%)Outdoor low pressure(MPa[Gauge])Outdoor unit current (A)0.

64 25-class unit 22-class unit 35-class unit 50-class unit 60-class unit 71-class unit 42-class unitOutdoor low pressure(MPa[Gauge])Outdoor un

65 Condition : Operation : TEST RUN OPERATION (Refer to 8-3.)(2) HEAT operationDry bulb temperature (°C)Indoor20.014.521Outdoor76151220.014.5Wet bul

66 35-class unit 42-class unit1234Ambient temperature ( )Outdoor unit current (A)35Hz5101520251234Ambient temperature ( )Outdoor unit current (A

67 35-class unit510152025234567Ambient temperature ( )32HzOutdoor unit current (A) 42-class unitAmbient temperature ( )Outdoor unit current (A)3

68ACTUATOR CONTROL9Relation between main sensor and actuatorDischarge temperature thermistorIndoor coil thermistorDefrost thermistorFin temperature th

69MXZ-4C80/5C100VAMXZ-6C120VASW2SW1SW871MXZ-3C54/3C68/4C71VAOudoor electronic control P.C. boardOudoor electronic control P.C. boardOudoor control P.C

7MXZ-2C52VASingle phase230 V, 50 Hz1 to 2Max. 30Max. 20Refer to 7 REFRIGERANT SYSTEM DIAGRAM.Refer to 7 REFRIGERANT SYSTEM DIAGRAM.15977.220.35SNB130F

70OUTDOOR UNITINDOOR UNIT AINDOOR UNIT B<Incorrect piping>ABAB10-4. AUTO LINE CORRECTING Outdoor unit has an auto line correcting function which

71Improper wiring or piping can be automatically detected by pressing the piping/wiring correction switch (SW871).When improper wiring or piping is de

7210-5. INCREASING MAXIMUM COMPRESSOR OPERATIONAL FREQUENCY AND FAN SPEED OF THE OUTDOOR UNIT <MXZ-4C80VA, MXZ-5C100VA>10-6. CHANGING DE

73TROUBLESHOOTING113. Troubleshooting procedure1) Check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnor

74 2. Flow chart of the detailed outdoor unit failure mode recall function 2.Blinking pattern when outdoor unit is abnormal:ONOFFNo beepBeepsRepe

753. Outdoor unit failure mode tableAbnormal point(Failure mode / protection)ConditionRemedyIndoor/outdoorunit failure moderecall functionLED indicati

7611-time flash15-time flash• Replace the power board.• Replace the power board.A short or open circuit is detected in the current sensorduring co

77The frequency of the compressor is kept 80Hz or more and the discharge temperature is kept under 50°C (cooling)/40°C (heating)for more than 40 minut

7811-time flash15-time flash• Check the connecting wire between outdoor electronic control P.C. board and power board.• Replace the power bo

79MXZ-6CUpper or left lamp of OPERATION INDICATOR lamp (Indoor unit)Abnormal point(Failure mode/protection)LED indication(Outdoor P.C. board)Condition

8COOLING INDOOR Dry-bulb temperature 27.0°C Wet-bulb temperature 19.0°C OUTDOOR Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°CHEATING IN

80Operation startCheck the outdoor unit LED indicator.Refer to 11-6. "Check of power supply".• When cooling,dew drops in the non-operatingin

8111-4. TROUBLESHOOTING CHECK TABLE MXZ-2CNo.12345689101112131415Symptom'Outdoorunit stops and restarts 3 minutes later' is repeated.Primary

82--9 timesLightingInverter check modeLightingLightingNormalThe connector of compressor is disconnected. Inverter check mode starts.-5 timesLightingCo

83MXZ-3C/4C/5CLED1(Red) LED2(Yellow)Lighting TwiceOutdoor power systemLighting 3 timesDischarge temperaturethermistor• Refer to 11-6. "Check of

84Primary current protectionSecondary current protectionHigh-pressure protectionDefrosting in cooling3 timesLightingDischarge temperatureprotection4 t

85MXZ-6CNo. SymptomIndicationAbnormal point / ConditionCondition RemedyLED1(Red) LED2(Yellow)1Outdoor unit doesnot operate.Lighting Once LEV and drain

86The flashing frequency shows the number of times the LED blinks after every 2.5-second OFF.(Example) When the flashing frequency is “2”.ONOFF2.5-sec

87Part name Check method and criterionDefrost thermistor (RT61)Fin temperature thermistor (RT64)MXZ-2C/3C/4C/5CAmbient temperature thermistor (RT65)Ou

88 Check of power supplyOutdoor unit does not operate. Turn ON the power supply.NoYesYesNoYesNoYesNoReplace the power board.Check the main power sup

89Turn ON the power supply.NoYesYesNoNoYesCheck the main power supply circuit for proper connections.Is there voltage of 230V AC in the power supply t

9COOLING INDOOR Dry-bulb temperature 27.0°C Wet-bulb temperature 19.0°C OUTDOOR Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°CHEATING IN

90Outdoor electronic control P.C. boardBlinking(Parts side)LED1 LED2LED3Unit statusLED 1 LED 3LED 2Pattern12Unit BstatusUnit DstatusUnit AstatusUnit C

91 Check of R.V. coilNoYesNoYesNoYesNoYesNoYes1. Disconnect the lead wire leading to the compressor.2. 3 minutes after turning ON the power supply,

92NoYesNoYesNoYesNoYes1. Disconnect the lead wire leading to the compressor.2. 3 minutes after turning ON the power supply, start EMERGENCY OPERATIO

93 How to check inverter/compressor• When heating, room does not get warm.• When cooling, room does not get cool.Disconnect the terminal of the comp

94 Check of outdoor thermistors• When thermistor is abnormal.Disconnect the connector in the following table and measure the resistance of the therm

95 Check of outdoor fan motor• Fan motor does not operate or stops operating shortly after starting the operation.YesYesYesNo(Fixed to either 5V or

96NoYesNoYesNoYesNoYesNoYesDisconnect CN931 and measure the resistance of the outdoor fan motor.Is the resistance of outdoor fan motor normal? (Refer

97 Check of HPSInfinity0ΩYesNo1. Disconnect the connector CN681.2. Check the resistance of HPS 1 minute after the outdoor unit power supply was turn

98 The other cases Indoor unit does not operate. (different operating models in multi system)• When you try to run two indoor units simultaneously,

9911-7. TEST POINT DIAGRAM AND VOLTAGEMXZ-2C30VA MXZ-2C40VA MXZ-2C52VA1. Inverter P.C. boardBack side of unit-20 -10 0 10 20 30 400102030405060708