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
- FTXS15/18LVJU
- FDXS09/12LVJU, CDXS15/18LVJU
- FVXS09/12/15/18NVJU
- FFQ09/12/15/18LVJU
- Wired Remote Controller
- BRC1E72/73
- Wireless Remote Controller
- Part 4 Functions and Control
- Functions for 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
- Functions for 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
- CDXS, FDXS Series
- FVXS Series
- FFQ Series
- BRC1E72/73> Wired Remote Controller
- operation lamp
- airflow direction
- BRC7E830> Wireless Remote Controller
- Part 6 Service Diagnosis
- 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
- Silicone Grease on Power Transistor / Diode Bridge
- Part 8 Appendix
- Piping Diagrams
- Wiring Diagrams
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SiUS121602EFunction and Control 31Part 4Functions and Control1. Functions for CTXS, FTXS, CDXS, FDXS, FVXS Series .........................321.1 Temperature Control .................................................................................. 321.2 Frequency Principle.................................................................................... 321.3 Airflow Direction Control (CTXS, FTXS, FVXS Series) .............................. 341.4 Fan Speed Control for Indoor Unit ............................................................. 371.5 Program Dry Operation .............................................................................. 381.6 Automatic Operation................................................................................... 391.7 Thermostat Control..................................................................................... 401.8 NIGHT SET Mode ...................................................................................... 411.9 ECONO Operation ..................................................................................... 411.10 INTELLIGENT EYE Operation (CTXS, FTXS Series)................................ 421.11 Inverter POWERFUL Operation ................................................................. 431.12 Clock Setting .............................................................................................. 441.13 WEEKLY TIMER Operation (CTXS, FTXS, FVXS Series)......................... 451.14 Other Functions.......................................................................................... 512. Functions for FFQ Series ..........................................................................522.1 Drain Pump Control.................................................................................... 522.2 Thermostat Sensor in Remote Controller................................................... 542.3 Freeze Prevention Control ......................................................................... 562.4 Hot Start Control (In Heating Operation Only)............................................ 573. Control Specification .................................................................................583.1 Thermistor Functions.................................................................................. 583.2 Mode Hierarchy .......................................................................................... 603.3 Frequency Control...................................................................................... 613.4 Controls at Mode Changing/Start-up.......................................................... 633.5 Discharge Pipe Temperature Control......................................................... 643.6 Input Current Control.................................................................................. 653.7 Freeze-up Protection Control ..................................................................... 663.8 Heating Peak-cut Control ........................................................................... 663.9 Outdoor Fan Control................................................................................... 673.10 Liquid Compression Protection Function.................................................... 673.11 Defrost Control ........................................................................................... 683.12 Low Hz High Pressure Limit ....................................................................... 693.13 Electronic Expansion Valve Control ........................................................... 703.14 Malfunctions ............................................................................................... 75
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