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General| Series | FDURA |
|---|---|
| Refrigerant | R32 |
| Type | Split System |
| Operating Temperature Range (Cooling) | 15 - 46 °C |
| Operating Temperature Range (Heating) | -15°C to 24°C |
| Wi-Fi Control | Optional |
Lists detailed technical specifications for indoor units, including capacity, power, dimensions, and noise levels.
Explains formulas for calculating total power input, running current, and power factor for combined systems.
Specifies operational limits and conditions for indoor and outdoor units, including temperature and piping.
Details the wiring connections for indoor and outdoor units, including power supply and remote control wiring.
Explains various compressor protection mechanisms, including overcurrent, reverse phase, and temperature limits.
Lists critical safety precautions to be observed during installation and operation to prevent hazards.
Highlights severe warnings regarding installation errors that could lead to death, serious injury, or fire.
Details important cautions for installation and operation, addressing potential hazards like electric shock, leaks, and noise.
Covers installation procedures for FDT series indoor units, including location selection and space requirements.
Shows the wiring connections between indoor, outdoor units, and remote controllers, including terminal numbers and colors.
Provides instructions for performing test runs directly from outdoor units using switches.
Outlines the procedure for conducting cooling test operations using the remote controller.
Details the procedure for evacuating the refrigerant system using a vacuum pump to remove impurities.
Provides instructions for charging refrigerant into the system after evacuation, including purging air and checking for leaks.
Offers guidance on diagnosing refrigerant circuit issues by analyzing operating pressures and temperature differences.
Explains how to diagnose microcomputer circuit faults using LED indicators and error codes.
Details troubleshooting steps for communication errors between indoor and outdoor units.
Provides troubleshooting steps for errors related to reversed power supply phases.
Outlines troubleshooting for compressor overcurrent issues, including voltage checks and protection mechanisms.
Details troubleshooting for open phase errors related to the 52C secondary side.
Explains troubleshooting steps for cooling overload conditions, including checking unit side and refrigerant levels.
Provides troubleshooting for discharge temperature errors, involving thermistor checks and control board.
Details troubleshooting for defective outdoor heat exchanger thermistor issues.
Explains troubleshooting for defective outdoor air temperature thermistor faults.
Provides troubleshooting for defective discharge pipe thermistor issues.
Outlines troubleshooting steps for errors related to the 63H1 high pressure switch operation.
Details troubleshooting for abnormal low pressure or disconnected low pressure sensor wires.
Explains troubleshooting for abnormal conditions related to the 52C magnetic contactor.
Provides troubleshooting for defective suction pipe thermistor issues.
Details troubleshooting for defective low and high pressure sensors.
