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General| Brand | Daikin |
|---|---|
| Model | FTK24NMVJU |
| Category | Air Conditioner |
| Language | English |
Lists various functions available for the air conditioner models.
Technical specifications for cooling-only models.
Technical specifications for heat pump models.
Wiring diagram for 09/12 class indoor units.
Wiring diagram for 18/24 class indoor units.
Wiring diagram for 09/12 class & RKN18NMVJU outdoor units.
Wiring diagram for RXN18NMVJU, RK(X)18NMVJU, 24 class outdoor units.
Explanation of temperature control methods and definitions.
Details on how compressor frequency is controlled.
Description of flap and louver movement for airflow direction.
Explanation of indoor fan speed steps and automatic control.
How the unit operates in dry mode to manage humidity.
How the unit automatically switches between cooling and heating.
How thermostat control operates based on temperature differences.
Explanation of the NIGHT SET mode for comfortable sleep.
Details on the ECONO operation for energy saving.
How POWERFUL operation enhances cooling/heating capacity.
Covers various other operational functions like hot-start.
Explains the role of different thermistors in unit operation.
Outlines the priority of different operation modes.
Detailed explanation of compressor frequency control logic.
Describes control actions during mode changes and start-up.
How discharge pipe temperature affects frequency limit.
Control logic based on input current to the compressor.
Mechanism to prevent indoor heat exchanger freezing.
Control to prevent abnormal high pressure during heating.
Details on outdoor fan operation and speed control.
Protection mechanism against liquid compression.
How the defrost cycle is initiated and terminated.
Control logic for the electronic expansion valve.
General overview of malfunctions and their detection.
Explains the operation and features of the remote controller for cooling-only models.
Explains the operation and features of the remote controller for heat pump models.
Lists common symptoms and initial checks for troubleshooting.
How to interpret LED indicators on the indoor unit for errors.
How to interpret LED indicators on the outdoor unit for errors.
Describes methods for diagnosing service issues using the remote controller.
Lists error codes and their corresponding descriptions and reference pages.
Troubleshooting steps for indoor unit PCB failures.
Troubleshooting for freeze-up or heating peak-cut issues.
Troubleshooting steps for fan motor issues.
Troubleshooting steps for indoor unit thermistor problems.
Troubleshooting for voltage-related detection errors.
Troubleshooting steps for signal transmission errors.
Troubleshooting for unspecified voltage between units.
Troubleshooting steps for outdoor unit PCB failures.
Troubleshooting for compressor overload (OL activation).
Troubleshooting steps for compressor lock issues.
Troubleshooting steps for DC fan lock errors.
Troubleshooting for input overcurrent detection.
Troubleshooting steps for four-way valve abnormalities.
Troubleshooting related to discharge pipe temperature control.
Troubleshooting for high pressure control during cooling.
Troubleshooting for compressor system sensor abnormalities.
Troubleshooting for position sensor abnormalities.
Troubleshooting for outdoor unit thermistor problems.
Troubleshooting for electrical box temperature rise issues.
Troubleshooting for radiation fin temperature rise.
Troubleshooting for output overcurrent detection.
Procedure to check thermistor resistance values.
Checks for fan motor connector and output.
How to check power supply waveforms for disturbances.
Procedure to check the electronic expansion valve.
How to check the performance of the four-way valve.
Checking the refrigerant system for inverter units.
Using an inverter analyzer for diagnosis.
Checking rotation pulses on the outdoor unit PCB.
Verifying installation conditions for proper operation.
Procedure to check the discharge pressure.
Checking the outdoor fan system for proper function.
How to check for short circuits in the main circuit.
Procedure for pump down operation before servicing.
Steps for performing forced cooling operation.
How to conduct trial operation to ensure proper function.
How to switch between Fahrenheit and Celsius display.
Setting different addresses for multiple indoor units in one room.
Expanding operation range for facilities in low temperatures.
Guidance on applying silicon grease when replacing outdoor unit PCB.
Piping diagrams for indoor units (Cooling Only and Heat Pump).
Piping diagrams for outdoor units (Cooling Only and Heat Pump).
Wiring diagrams for indoor units.
Wiring diagrams for outdoor units.
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