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General| Brand | Fujitsu |
|---|---|
| Model | ABU24RULX |
| Category | Air Conditioner |
| Language | English |
Explains the cooling mode's capacity control based on room and outdoor temperature.
Details the heating mode's capacity control, adjusting compressor frequency based on temperature.
Describes the indoor unit control logic for the dry operation mode.
Explains automatic switching between cooling, heating, and monitoring modes based on temperature.
Covers indoor fan speed settings and operation modes, including auto airflow control.
Details the fan speed control for the outdoor unit based on operating conditions.
Explains the vertical louver adjustment and swing operation for air direction control.
Covers compressor operation frequency ranges and start-up control logic.
Details timer functions for wireless and wired remote controllers, including program and sleep timers.
Explains the calculation and control of the electronic expansion valve.
Details the procedure for performing test operation using wireless or wired remote controllers.
Describes the 3-minute compressor restart prevention function.
Explains the 4-way valve switching delay when changing from cooling to heating mode.
Covers the auto restart function that resumes operation after a power interruption.
Provides procedures for collecting refrigerant when moving indoor or outdoor units.
Explains the compressor preheating function to ensure warm air discharge upon startup.
Details the conditions for starting and completing the defrost operation.
Describes manual auto operation settings when the remote control is unavailable.
Explains how to use the energy save function to reduce power consumption.
Covers various protection controls, including discharge gas temperature over rise prevention.
Lists error codes and their corresponding blinking patterns for the indoor unit display.
Details error codes and blinking patterns displayed on the outdoor unit.
Explains error codes displayed on the wired remote controller and self-diagnosis.
Provides systematic troubleshooting steps for specific error codes.
Offers troubleshooting steps for issues that do not generate specific error codes.
Diagrams showing the layout of components within the outdoor unit.
Diagrams showing the layout of components within the indoor unit.
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