ESIE16-02B
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4/04/17
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Version 1.0
Page 7
RA R32 Split & multi split M-Series
Figure 2-1: Service display location ..........................................................................................................................18
Figure 3-1: 1 service port at the stop valves .............................................................................................................62
Figure 3-2: 3 service ports at the stop valves ...........................................................................................................63
Figure 3-3: Removing refrigerant connection cover ..................................................................................................68
Figure 3-4: Removing the top plate ...........................................................................................................................69
Figure 3-5: Removing the front plate .........................................................................................................................70
Figure 3-6: Removing the compressor sound insulation ...........................................................................................70
Figure 3-7: Removing the switch box ........................................................................................................................72
Figure 3-8: Removing the 4-way valve ......................................................................................................................73
Figure 3-9: Removing the 4-way valve coil ...............................................................................................................75
Figure 3-10: Removing the compressor ....................................................................................................................77
Figure 3-11: Removing the DC fan motor assembly .................................................................................................80
Figure 3-12: Removing the expansion valve .............................................................................................................81
Figure 3-13: Removing the expansion valve motor ...................................................................................................82
Figure 3-14: Locking the expansion valve motor ......................................................................................................83
Figure 3-15: Removing the main PCB ......................................................................................................................84
Figure 3-16: Removing the DC fan motor assembly .................................................................................................86
Figure 3-17: Replacing a thermistor ..........................................................................................................................87
Figure 5-1: How to change fan OFF to ON when in cooling thermo off ....................................................................93
Figure 5-2: Jumper settings ......................................................................................................................................94
Figure 5-3: Service PC board wiring error check switch location ..............................................................................94
Figure 5-4: Dip switch location ..................................................................................................................................95
Figure 5-5: S15 connector location ...........................................................................................................................96
Figure 5-6: Jumper location ......................................................................................................................................96
Figure 5-7: Wiring diagram - outdoor unit 2MXM50M ...............................................................................................99
Figure 5-8: Wiring diagram - outdoor unit 3MXM68M ...............................................................................................99
Figure 5-9: Wiring diagram - outdoor unit 4MXM-M ................................................................................................100
Figure 5-10: Wiring diagram - outdoor unit 2MXM50M ...........................................................................................100
Figure 5-11: Wiring diagram - outdoor unit RXJ20-35M .........................................................................................101
Figure 5-12: Wiring diagram - outdoor unit RXJ50M ...............................................................................................101
Figure 5-13: Wiring diagram - outdoor unit RXJ20-35M .........................................................................................101
Figure 5-14: Wiring diagram - outdoor unit RXM42-50M ........................................................................................102
Figure 5-15: Wiring diagram - outdoor unit RXM60-71M ........................................................................................102
Figure 5-16: Wiring diagram - outdoor unit RXM71M .............................................................................................103
Figure 5-17: Piping diagram - outdoor unit 2MXM40M ...........................................................................................104
Figure 5-18: Piping diagram - outdoor unit 3MXM68M ...........................................................................................105
Figure 5-19: Piping diagram - outdoor unit 4MXM68M ...........................................................................................105
Figure 5-20: Piping diagram - outdoor unit 2MXM50M ...........................................................................................106
Figure 5-21: Piping diagram - outdoor unit RXJ20-35M ..........................................................................................106
Figure 5-22: Piping diagram - outdoor unit RXJ50M ...............................................................................................107
Figure 5-23: Piping diagram - outdoor unit RXJ20-35M ..........................................................................................107
Figure 5-24: Piping diagram - outdoor unit RXM42-50M ........................................................................................108
Figure 5-25: Piping diagram - outdoor unit RXM60 .................................................................................................108
