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SiBE01-829
Table of Contents
iii
Part 6 Service Diagnosis.............................................................51
1. Caution for Diagnosis............................................................................52
2. Problem Symptoms and Measures .......................................................53
3. Service Check Function ........................................................................54
4. Troubleshooting ....................................................................................55
4.1
Error Codes and Description ..................................................................55
4.2
Indoor Unit PCB Abnormality .................................................................56
4.3
Freeze-up Protection Control, High Pressure Control or
Indoor Heat Exchanger Thermistor Abnormality ....................................57
4.4
Fan Motor or Related Abnormality (AC motor).......................................59
4.5
Thermistor or Related Abnormality.........................................................60
4.6
High Pressure Control in Cooling or
Outdoor Heat Exchanger Thermistor Abnormality .................................62
4.7
Hardware Error (Tact Switch Pin Short) .................................................64
4.8
Insufficient Gas.......................................................................................65
5. Check ....................................................................................................67
5.1
Thermistor Resistance Check ................................................................67
5.2
Installation Condition Check...................................................................68
5.3
Outdoor Unit Fan System Check............................................................69
5.4
Hall IC Check .........................................................................................69
Part 7 Removal Procedure ..........................................................71
1. Indoor Unit.............................................................................................72
1.1
Removal of Air Filter...............................................................................72
1.2
Removal of Front Grille ..........................................................................75
1.3
Removal of Horizontal Blades / Vertical Blades .....................................78
1.4
Removal of Electrical Parts Box / PCB / Swing Motor............................80
1.5
Removal of Heat Exchanger ..................................................................86
1.6
Install of Drain Plug ................................................................................89
1.7
Removal of Fan Rotor / Fan Motor.........................................................90
2. Outdoor Unit..........................................................................................94
2.1
Removal of Panels .................................................................................94
2.2
Removal of Bellmouth and Left Side Plate.............................................96
2.3
Removal of Electrical Device Mounting Plate.........................................97
2.4
Removal of Propeller Fan and Fan Motor ..............................................98
2.5
Removal of Sound Blanket.....................................................................99
2.6
Removal of Partition Plate....................................................................101
2.7
Removal of Compressor.......................................................................103
Part 8 Others .............................................................................105
1. Others .................................................................................................106
1.1
Trial Operation and Testing..................................................................106
1.2
Pump Down Operation .........................................................................106
1.3
Jumper Settings ...................................................................................107
Part 9 Appendix.........................................................................109
1. Piping Diagrams..................................................................................110
1.1
Indoor Units ..........................................................................................110
1.2
Outdoor Units .......................................................................................111
Summary of Contents for FTYN25GXV1B
Page 1: ...SiBE01 829 Applied Models Non Inverter Pair Heat Pump SPLIT Pair Wall Mounted Type G Series...
Page 11: ...Introduction SiBE01 829 x...
Page 12: ...SiBE01 829 List of Function 1 Part 1 List of Function 1 Functions 2...
Page 15: ...Functions SiBE01 829 4 List of Function...
Page 16: ...SiBE01 829 Specifications 5 Part 2 Specifications 1 Specifications 6...
Page 19: ...Specifications SiBE01 829 8 Specifications...
Page 81: ...Check SiBE01 829 70 Service Diagnosis...
Page 86: ...Others SiBE01 829 108 Others...
Page 92: ...Wiring Diagrams SiBE01 829 114 Appendix...