
Do you have a question about the Fujitsu ARU12RML and is the answer not in the manual?
| Cooling Capacity | 3.5 kW |
|---|---|
| Heating Capacity | 4.0 kW |
| Power Supply | 220-240V, 50Hz |
| Coefficient of Performance (COP) | 3.61 |
| Refrigerant | R410A |
| Indoor Unit Weight | 9 kg |
| Type | Split System |
| Energy Efficiency Ratio (EER) | 3.2 |
| Noise Level (Indoor Unit) | 42 dB(A) |
| Noise Level (Outdoor Unit) | 50 dB |
Explains capacity control based on various factors like temp and unit count.
Describes automatic mode switching based on room and outdoor temperatures.
Details indoor fan speed settings for different operation modes and airflow levels.
Explains outdoor fan speed based on outside temperature and compressor rotation.
Details vertical louver operation, swing functions, and direction adjustments.
Explains compressor operation frequency ranges and control logic at start-up.
Covers ON/OFF, program, and sleep timer functions for wireless remote controllers.
Details the calculation and control of the electronic expansion valve opening for optimal operation.
Explains how to perform a test operation and its parameters for system checks.
Describes the 3-minute restart prevention function for the compressor after stopping.
Explains the 4-way valve switching timing during cooling to heating mode changes.
Covers the auto-restart function after a power interruption, including memorized settings.
Describes the manual auto operation mode using the indoor unit body buttons when remote is unavailable.
Explains the forced cooling operation initiated by the manual auto button for rapid cooling.
Details the compressor preheating process to ensure quick warm air discharge during heating.
Explains the synchronization of the fresh air fan with the indoor fan operation for air circulation.
Describes the operation of the external electrical heater based on room temperature conditions.
Details drain pump operation during cooling/dry and heating/fan/stop modes based on water level.
Explains the coil dry and clean operation functions triggered by the remote controller.
Describes how the air clean operation switches ON/OFF based on the AIR CLEAN signal from the remote.
Explains the energy save function's effect on temperature settings in cooling and heating modes.
Details the conditions for starting and completing defrost operation based on temperature and run time.
Shows error codes and their corresponding display indicators for indoor units.
Details error display methods for outdoor units using LED blink patterns and codes.
Explains self-diagnosis procedures and error codes displayed on the wired remote controller.
Provides step-by-step troubleshooting for common errors with error codes.
Guides troubleshooting for no power issues without specific error codes.
Provides diagnosis methods for compressor issues and part replacement guidance.
Details checks for inverter compressor connections, winding resistance, and main PCB.
Guides on checking active filter module for open/short circuits, diodes, and output voltage.
Explains how to check the electronic expansion valve coil, voltage, and noise.
Presents performance data (capacity, input, amps, pressure) for various operating conditions.











