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Si01-406
Table of Contents
iii
3.8
Liquid Compression Protection Function 1
(Securing of Differential Pressure and Blown Air Temperature) ............45
3.9
Liquid Compression Protection Function 2.............................................46
3.10 Defrost Control .......................................................................................46
3.11 Insufficient Gas Control ..........................................................................47
3.12 Forced Operation Mode .........................................................................48
3.13 Additional Function.................................................................................48
Part 5 System Configuration.......................................................49
1. System Configuration............................................................................50
2. Instructions............................................................................................51
2.1
Manual Contents by Models...................................................................51
2.2
Safety Precautions .................................................................................52
2.3
Names of Parts.......................................................................................54
2.4
Preparation before Operation.................................................................63
2.5
AUTO • DRY • COOL • HEAT • FAN Operation .....................................66
2.6
Adjusting the Air Flow Direction .............................................................68
2.7
POWERFUL Operation ..........................................................................69
2.8
TIMER Operation ...................................................................................70
2.9
Care and Cleaning .................................................................................72
2.10 Troubleshooting......................................................................................78
Part 6 Service Diagnosis.............................................................81
1. Troubleshooting by Lamps....................................................................82
2. Problem and Solution............................................................................83
3. Service Check Function ........................................................................84
3.1
ARC423 Series Remote Controller ........................................................84
3.2
ARC433 Series Remote Controller ........................................................85
4. Troubleshooting ....................................................................................86
4.1
Error Codes ............................................................................................86
4.2
Indoor Unit PCB Abnormality .................................................................87
4.3
Freeze-up Protection Control or High Pressure Control.........................88
4.4
Fan Motor or Related Abnormality .........................................................90
4.5
Thermistor or Related Abnormality (Indoor Unit)....................................93
4.6
Indoor Unit PCB Abnormality .................................................................94
4.7
Signal Transmission Error (between Indoor and Outdoor Units)............95
4.8
OL Activation (Compressor Overload) ...................................................96
4.9
Compressor Lock ...................................................................................97
4.10 Input Over Current Detection .................................................................98
4.11 Four Way Valve Abnormality..................................................................99
4.12 High Pressure Control in Cooling .........................................................101
4.13 CT or Related Abnormality ...................................................................103
4.14 Thermistor or Related Abnormality (Outdoor Unit)...............................105
4.15 Electrical Box Temperature Rise..........................................................107
4.16 Radiation Fin Temperature Rise ..........................................................109
4.17 Output Over Current Detection.............................................................111
4.18 Insufficient Gas.....................................................................................113
5. Check ..................................................................................................115
5.1
Fan Motor Connector Output Check ....................................................115
5.2
Four Way Valve Performance Check ...................................................115
Summary of Contents for FT25CV1A
Page 7: ...Si01 406 vi Table of Contents...
Page 15: ...Functions Si01 406 4 List of Function...
Page 21: ...Specifications Si01 406 10 Specifications...
Page 205: ...Wiring Diagrams Si01 406 194 Appendix...
Page 209: ...Si01 406 iv Index...