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ESIE16-02K
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31/05/21
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Version 1.1
Page 5
RA R32 Split & multi split M-Series
3.3.2.8. Replacing expansion valve motor ............................................................................................................ 83
3.3.2.9. Replacing main PCB ................................................................................................................................ 85
3.3.2.10. Replacing propeller fan blade assembly ................................................................................................ 86
3.3.2.11. Replacing thermistors ............................................................................................................................ 87
3.3.2.12. Setting test mode for inverter checker ................................................................................................... 88
4.1.1. General maintenance ................................................................................................................................... 89
4.1.2. To clean the air filters ................................................................................................................................... 90
5.1.1.1. Indoor fan control during thermostat off in cooling ................................................................................... 95
5.1.1.2. Brightness setting of multi-coloured lamp of the indoor unit .................................................................... 96
5.1.1.3. ON/OFF button on the indoor unit ............................................................................................................ 96
5.1.1.4. Heat only mode ........................................................................................................................................ 96
5.1.1.5. Auto restart ON/OFF ................................................................................................................................ 97
5.1.2.1. Facility setting for outdoor split units ........................................................................................................ 98
5.1.2.2. Multi split outdoor ..................................................................................................................................... 98
5.1.2.3. Reducing maximum sound levels .......................................................................................................... 101
5.2.1.1. FNA-A .................................................................................................................................................... 102
5.2.1.2. FTXM20-42M, FTXM20-42N, CTXM-M, CTXM-N, ATXM20-35M, ATXM20-35N ................................. 103
5.2.1.3. FTXM50-71M, FTXM50-71N, ATXM50M, ATXM50N ............................................................................ 103
5.2.1.4. FTXM20-35M9 ....................................................................................................................................... 104
5.2.2.1. 2MXM50M9 ............................................................................................................................................ 105
5.2.2.2. 3MXM68M, 3MXM68N(9) ...................................................................................................................... 105
5.2.2.3. 4MXM-M, 4MXM-N ................................................................................................................................ 106
5.2.2.4. 5MXM-M, 5MXM-N ................................................................................................................................ 106
5.2.2.5. RXJ20-35M(9) ........................................................................................................................................ 107
5.2.2.6. RXJ50M ................................................................................................................................................. 107
5.2.2.7. RXM20-35M, ARXM-M .......................................................................................................................... 108
5.2.2.8. RXM42-50M ........................................................................................................................................... 108
5.2.2.9. RXM60-71M ........................................................................................................................................... 109
5.2.2.10. RXM71M .............................................................................................................................................. 109
5.2.2.11. RXJ50N ................................................................................................................................................ 110
5.2.2.12. RXM20-35N9, ARXM25-35N9 ............................................................................................................. 110
5.2.2.13. RXM42N9, ARXM50N9 ....................................................................................................................... 111
5.2.2.14. RXM50-60N9 ....................................................................................................................................... 111
5.2.2.15. RXM71N .............................................................................................................................................. 112
5.2.2.16. 2MXM40M ............................................................................................................................................ 112
5.2.2.17. 3MXM40-52M ...................................................................................................................................... 113
5.2.2.18. RXM20-35M9, ARXM25-35M9 ............................................................................................................ 113
5.2.2.19. RXM42-50M9, ARXM50M9 ................................................................................................................. 114
5.2.2.20. ARXM50N ............................................................................................................................................ 114
5.2.2.21. 3MXM40-52N, 3MXM52N9 .................................................................................................................. 115