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General| Category | Heat Pump |
|---|---|
| Model | FLX25HV1NB |
| Cooling Capacity | 2.5 kW |
| Heating Capacity | 3.2 kW |
| Refrigerant | R32 |
| Power Supply | 220-240V, 50Hz |
| Indoor Unit Noise Level | 19 dB |
| Noise Level (Indoor Unit) | 19 dB |
General safety warnings and pictograms used in the manual.
Safety precautions related to the product after repair work is completed.
Procedures and checks to perform after repair work is completed.
Detailed specifications for outdoor units.
Specifications for outdoor units in cooling-only mode.
Specifications for outdoor units when operating in heat pump mode.
Details PCB connector layouts and names for various series.
Wiring and connector details for the BPMK928B42/B43 branch provider unit.
Wiring and connector details for various outdoor units.
Wiring and connector details for FTK/FTX/FTXD/FVX 25/35 series.
Wiring and connector details for FTK/FTX/FTKD/FTXD 50-71 series.
Wiring and connector details for CDX/CDK 25-60HAV series.
Wiring and connector details for FLK/FLX series.
Detailed explanation of main functions for split type indoor units.
Changes fan speed or stops operation to prevent abnormal system operation.
Details the refrigerant system and functional parts of the outdoor unit.
Describes the key functional parts of the outdoor unit.
Lists and explains protective devices, thermistors, and sensors used.
Explains the overall system control logic.
Provides a general outline of how the system is controlled.
Controls capacity by adjusting motorized valve opening.
Detects gas shortage via current, discharge pipe temp, and valve opening.
Controls upper limit of frequency based on input current.
Ensures appropriate compressor oil level and dilution at startup.
Changes fan speed or stops operation to prevent abnormal system operation.
Controls EVL, EVG, EVP, EVU, EVT, EVH opening operations.
Provides instructions for absolute flow rate, relative flow rate, and full closing.
Ensures proper operation of the 4-way valve.
Collects refrigerant in the receiver when the pump-down button is pressed.
Controls based on heat exchanger temperature and freeze prevention status.
Detailed explanation of refrigerant flow paths.
Information about the remote controller.
Details on the wireless remote controller.
Procedures for conducting operating tests.
Detailed steps for performing an operating test.
How to use the test operation switch for diagnostics.
Methods for setting parameters in the field.
Steps for performing field setting using the remote controller.
Precautions for users of specific outdoor unit models.
Steps for troubleshooting issues with split type indoor units.
Troubleshooting based on the operation lamp's status.
Using the service check function for troubleshooting.
Error codes displayed on the remote controller and their meanings.
Troubleshooting specific to SkyAir indoor units.
How to use the inspection/test button for diagnosis.
Using the wired remote controller for self-diagnosis.
Fault diagnosis using the wireless remote controller.
Troubleshooting based on indoor unit LED indicators.
Troubleshooting steps for outdoor unit related problems.
Troubleshooting for units that run but do not cool or heat the room.
Troubleshooting steps for BP unit related issues.
Procedures related to the outdoor unit.
Steps for removing the compressor.
General cautions related to installation.
Cautions related to wiring connections.
Test run procedures using the remote controller for heat pump models.
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