Si01-406
iv Table of Contents
5.3 Thermistor Resistance Check ..............................................................116
5.4 Installation Condition Check.................................................................117
5.5 Discharge Pressure Check...................................................................118
5.6 Outdoor Unit Fan System Check..........................................................119
5.7 Power Supply Waveforms Check.........................................................119
5.8 Inverter Units Refrigerant System Check .............................................120
5.9 Capacitor Voltage Check......................................................................120
5.10 Power Transistor Check .......................................................................121
5.11 Hall IC Check .......................................................................................122
5.12 Power Transistor Output Check ...........................................................123
5.13 Inverter Units Compressor / Refrigerant System Check ......................124
Part 7 Removal Procedure ........................................................125
1. FT25/35CV1A, FTY25/35CVMA .........................................................126
1.1 Removal of Air Filter.............................................................................126
1.2 Removal of Front Grille ........................................................................129
1.3 Removal of Horizontal Blades / Vertical Blades ...................................132
1.4 Removal of Electrical Parts Box / PCB / Swing Motor..........................134
1.5 Removal of Heat Exchanger ................................................................140
1.6 Install of Drain Plug ..............................................................................143
1.7 Removal of Fan Rotor / Fan Motor.......................................................144
2. FT50/60CV1A .....................................................................................148
2.1 Removal of Air Filter / Front Panel .......................................................148
2.2 Removal of Front Grille ........................................................................151
2.3 Removal of Horizontal Blades / Vertical Blades ...................................153
2.4 Removal of Electrical Parts Box / PCB / Swing Motor..........................155
2.5 Removal of Heat Exchanger ................................................................160
2.6 Removal of Fan Rotor / Fan Motor.......................................................163
3. R25/35CV1A, RY25/35CVMA.............................................................165
3.1 Removal of Panels ...............................................................................165
3.2 Removal of Bellmouth and Left Side Plate...........................................167
3.3 Removal of Electrical Device Mounting Plate.......................................168
3.4 Removal of Propeller Fan and Fan Motor ............................................169
3.5 Removal of Compressor Noise Absorption Pad...................................170
3.6 Removal of Partition Plate....................................................................172
3.7 Removal of Compressor.......................................................................174
4. R50/60CV1A .......................................................................................175
4.1 Removal of Panels ...............................................................................175
4.2 Removal of Electrical Parts Box ...........................................................176
4.3 Removal of Compressor.......................................................................179
Part 8 Others ............................................................................. 181
1. Others .................................................................................................182
1.1 Test Run from the Remote Controller ..................................................182
1.2 Jumper Settings ...................................................................................184
Part 9 Appendix......................................................................... 185
1. Piping Diagrams..................................................................................186
1.1 Indoor Units ..........................................................................................186
1.2 Outdoor Units .......................................................................................187
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