Mitsubishi MXZ-24UV-E1- Manuals

6 4 SPECIFICATION Outdoor model Indoor units number Indoor units total capacity (Connectable) Indoor units total capacity (Simultaneous operation) Piping total length Connecting pipe length Height difference (Indoor ~ Outdoor) Height difference (Indoor ~ Indoor) Function Capacity Dehumidification Ou...

7 NOISE CRITERIA CURVES 5 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR BAND CENTER FREQUENCIES, Hz Test conditions. Cooling :DB35 : WB24 :...

8 OUTLINES AND DIMENSIONS 6 MXZ-24UV - E1 Unit: mm OUTDOOR UNIT 23 10 35 320 900 88 460 50 900 250 381.8 531.3 317 23 33 Handle formoving Air in Indoor and outdoorconnect wiring23 ✕ 45 hole Air in C unit connection B unit connection A unit connection 6.35 (flared) 1/4 Liquid pipe 12.7 (flared) 1/2 (...

9 WIRING DIAGRAM 7 POWER SUPPLY~/N 230V 50Hz INDOORUNIT (A) CIRCUIT BRAKER TB1 TB2 TB3 TB4 BLURED TB5 X64 GRN/YLW GRN CN720 CN601 0 4 X64 LD62 CN913 CN791 CN901 6 4 2 CN902 CN851 CN852 MF61 21S4 1 2 2 1 21 1 2 1 2 3 4 1 2 3 4 5 6 1234 56 7 1 2 3 4 5 6 C65 LD63 LD64 LDB LDB LD61 LDE L61 F911 SSR61 X6...

10 REFRIGERANT SYSTEM DIAGRAM 8 Unit:mm MXZ-24UV - E1 Ball valve with service port Muffler Ball valve with service port Distributor Strainer Strainer LEV Oil separator Compressor High pressureswitch 1 Accumulator Capillary tube Reversing valve Dischargetemperaturethermistor Evaporationtemperaturethe...

11 9 The standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions,since operating conditions vary according to the areas where these units are installed. The following information has been pro-vided to clarify the operating characteri...

12 9-2.Capacity and input correction by inverter output frequency (OUTDOOR UNIT:MXZ-24UV) NOTE 1 : The dotted line on graphs connects the frequency range in normal operation shown by the full line and the frequency in test run shown by the point. 0 50 100 150 0.5 1.0 1.5 <COOL>Capacity Frequen...

13 9-3.Outdoor low pressure and outdoor unit current 1. 07-class unit in single operation NOTE:The unit of pressure has been changed to MPa on the international system of units(SI unit system). The converted score against the traditional unit system can be gotten according to the formula below. 1(MP...

17 MICROPROCESSOR CONTROL 10 Compressorpowerfactor Indoor unitmicroprocessor SSR61 Drive circuit Transistor module Indoor Unit A Indoor Unit C Indoor Unit B Gas pipetemperaturethermistorRT66, 67, 68 Muffler Accumulator Comp. H.P.S 63H2 Discharge temperature thermistor RT61 Indoor Unit A Evaporationt...

21 10-3.Heat defrosting control (1) Conditions to enter defrosting mode 1 . When temperature of defrosting thermistor is -3 ; or less. 2 .When specified non-defrosting time, is counted in the control p.c.board is satisfied. (Total time of compressor operating)Going to defrosting mode at both conditi...

23 11 TROUBLESHOOTING 3. Troubleshooting procedure 1) First, check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnormality. To make sure, check how many times the abnormality indication is flashing on and off before starting service work. 2) If the electr...

27 B B Check of serial signal Turn on power supply No Yes Yes No No Yes No Yes Start Check the connecting of main circuit parts and connector (CN501: I.P.M P. C. board, CN 801: Electronic control P. C. board, CN554: relay P. C. board) Is there voltage of 230V AC in the power supply terminal block? I...

31 H H Check of HPS Infinity 0 " Yes No Yes Start 1. Disconnect the connector CN722 in the electronic control P. C. board.2. Check the resistance of HPS after 1 minutes have passed since the outdoor unit power supply was turnd off. Check the resistance between each terminal? Return CN722 to form...

32 TEST POINT DIAGRAM AND VOLTAGE MXZ-24UV - Electronic control P.C.board E1 Gas pipe temperature thermistorEvaporation temperature thermistorDefrost temperature thermistor Resistance (k ' ) Resistance (k ' ) Temperature( ; ) Temperature( ; ) { Fin temperature thermistor 1.0~4.0V DC Evaporation temp...

33 Noise filter P.C.board I.P.M P.C.board Relay P.C.board { { { { Short 12V DC High pressure switch 12V DC { 12V DC { 12V DC { 320V DC { 230V ACOUTPUT { 230V AC INPUT { OUTDOOR FAN 230V AC { REVERSING VALVE 230V AC OB287--2.qxp 10/9/01 3:32 PM Page 33

34 OPERATING PROCEDURE PHOTOS 1.Removing the compressor(1)Remove the screws of the service panel, and remove it. Recover refrigerant gas. (2)Remove the screws of the top panel , and remove it.(3)Remove the screws of the front panel , and remove it.(4)Disconnect the compressor lead wire.(TAB64,TAB65,...

35 OPERATING PROCEDURE PHOTOS 3.Removing the 4-way valve(1)Remove the screws of the top panel , and remove it.(See Photo 1.) (2)Remove the service panel,rear panel,and connect cover panel. Recover refrigerant gas. (3)Remove the electrical parts.(See Photo 2.)(4)Detach the brazed joint of 4-way valve...

36 OPERATING PROCEDURE PHOTOS 5.Removing the reactor(1)Remove the five screws of the top panel , and remove it.(See Photo 1.) (2)Disconnect the reactor lead wire.(3)Remove the two screws of the reactor , and take it out. Reactor Photo 6 OB287--2.qxp 10/9/01 3:32 PM Page 36

37 13 Part numbers that are circled are not shown in the illustration. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 T2W E40 301 M21 17A 501 M21 17E 337 T2W E89 451 T2W E79 424 T2W E58 376 T2W E70 308 M21 42A 340 M21 42A 308 T2W E65 375 T2W E70 398 T2W E88 307 M21 17A 362 T2W E40 357 T2W E40 35...

14-1. Different-diameter pipe For different-diameterpipes MXZ-24UV MAC-454JP MAC-455JP MAC-456JP Model name Connected pipes diameter (mm) { 9.52 — { 12.7 (3/8) (1/2) { 12.7 — { 9.52 (1/2) (3/8) { 12.7 — { 15.88 (1/2) (5/8) 14-2. Outlet guide Changes air discharge direction. Applied unit Model name M...