Contents - Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- safety cautions
- Part 1 List of Functions
- Functions
- Part 2 Specifications
- Indoor Unit
- Outdoor Unit
- Part 3 Printed Circuit Board Connector Wiring Diagram
- FTXS15/18/24LVJU
- FDXS09/12LVJU, CDXS15/18/24LVJU
- FVXS09/12/18NVJU
- FFQ09/12/15/18LVJU
- Wired Remote Controller
- BRC1E72/73
- Wireless Remote Controller
- Part 4 Function and Control
- Function of CTXS, FTXS, CDXS, FDXS, FVXS Series
- Airflow Direction Control (CTXS, FTXS, FVXS Series)
- Fan Speed Control for Indoor Unit
- Program Dry Operation
- Automatic Operation
- Thermostat Control
- NIGHT SET Mode
- INTELLIGENT EYE Operation (CTXS, FTXS Series)
- Inverter POWERFUL Operation
- Clock Setting
- WEEKLY TIMER Operation (CTXS, FTXS, FVXS series)
- function and control
- Other Functions
- Function of FFQ Series
- Thermostat Sensor in Remote Controller
- Freeze Prevention Control
- Hot Start Control (In Heating Operation Only)
- Control Specification
- Mode Hierarchy
- Frequency Control
- Controls at Mode Changing / Start-up
- Discharge Pipe Temperature Control
- Input Current Control
- Freeze-up Protection Control
- Outdoor Fan Control
- Defrost Control
- Low Hz High Pressure Limit
- Electronic Expansion Valve Control
- pressure equalizing control
- Malfunctions
- Part 5 Remote Controller
- CTXS, FTXS Series
- mode button
- CDXS, FDXS Series
- FVXS Series
- FFQ Series
- BRC1E72/73> Wired Remote Controller
- operation lamp
- airflow direction
- BRC7E830> Wireless Remote Controller
- Part 6 Service Diagnosis
- Table Of Contents
- General Problem Symptoms and Check Items
- Troubleshooting with LED
- Service Diagnosis
- Code Indication on Remote Controller
- Troubleshooting for CTXS, FTXS, CDXS, FDXS, FVXS Series
- Freeze-up Protection Control / Heating Peak-cut Control
- Fan Motor or Related Abnormality
- Thermistor or Related Abnormality
- Signal Transmission Error (Between Indoor Unit and Outdoor Unit)
- Unspecified Voltage (Between Indoor Unit and Outdoor Unit)
- Troubleshooting for FFQ Series
- Drain Level Control System Abnormality
- Fan Motor (AC Motor) or Related Abnormality
- Drain System Abnormality
- Remote Controller Thermistor Abnormality
- remote controller
- Field Setting Abnormality
- Troubleshooting for Outdoor Unit
- Low-voltage Detection or Over-voltage Detection
- Wiring Error Check Unexecuted
- Unspecified Voltage (Between Indoor Unit and Outdoor Unit Anti-icing Control in Other Rooms
- Anti-icing Control for Indoor Unit
- Outdoor Unit PCB Abnormality
- OL Activation (Compressor Overload)
- Compressor Lock
- dc fan lock
- Input Overcurrent Detection
- Four Way Valve Abnormality
- High Pressure Control in Cooling
- Compressor Sensor System Abnormality
- Position Sensor Abnormality
- CT or Related Abnormality
- Thermistor or Related Abnormality (Outdoor Unit)
- Electrical Box Temperature Rise
- Radiation Fin Temperature Rise
- Output Overcurrent Detection
- Check
- Indoor Fan Motor Connector Check
- Power Supply Waveform Check
- Electronic Expansion Valve Check
- Four Way Valve Performance Check
- Inverter Analyzer Check
- Rotation Pulse Check on the Outdoor Unit PCB
- Installation Condition Check
- Outdoor Fan System Check
- Capacitor Voltage Check
- Power Module Check
- Part 7 Trial Operation and Field Settings
- Pump Down Operation
- Wiring Error Check Function
- Trial Operation
- Field Settings
- CTXS, FTXS, CDXS, FDXS, FVXS Series
- temperature display switch
- when 2 units are installed in 1 room
- jumper settings
- Silicon Grease on Power Transistor / Diode Bridge
- Part 8 Appendix
- Piping Diagrams
- Wiring Diagrams
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SiUS121502E98 Service Diagnosis7.10 Input Overcurrent Detection ..................................................................... 1497.11 Four Way Valve Abnormality.................................................................... 1507.12 Discharge Pipe Temperature Control....................................................... 1527.13 High Pressure Control in Cooling ............................................................. 1537.14 Compressor Sensor System Abnormality ................................................ 1547.15 Position Sensor Abnormality .................................................................... 1567.16 CT or Related Abnormality ....................................................................... 1587.17 Thermistor or Related Abnormality (Outdoor Unit)................................... 1607.18 Electrical Box Temperature Rise.............................................................. 1627.19 Radiation Fin Temperature Rise .............................................................. 1637.20 Output Overcurrent Detection .................................................................. 1648. Check ...................................................................................................... 1668.1 Thermistor Resistance Check .................................................................. 1668.2 Indoor Fan Motor Connector Check ......................................................... 1678.3 Hall IC Check ........................................................................................... 1678.4 Power Supply Waveform Check............................................................... 1688.5 Electronic Expansion Valve Check........................................................... 1698.6 Four Way Valve Performance Check ....................................................... 1708.7 Inverter Unit Refrigerant System Check................................................... 1708.8 Inverter Analyzer Check ........................................................................... 1718.9 Rotation Pulse Check on the Outdoor Unit PCB ...................................... 1728.10 Installation Condition Check..................................................................... 1738.11 Discharge Pressure Check....................................................................... 1738.12 Outdoor Fan System Check ..................................................................... 1748.13 Main Circuit Short Check.......................................................................... 1748.14 Capacitor Voltage Check.......................................................................... 1758.15 Power Module Check ............................................................................... 176
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