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Daikin FTXB18AXVJU User Manual

Daikin FTXB18AXVJU
84 pages
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SERVICE MANUAL
Inverter Wall Mounted Single Split
dd
SM-5WM-Y-NA-B1
MODELS
Cooling Only
FTKB09AXVJU RKB09AXVJU
FTKB12AXVJU RKB12AXVJU
FTKB18AXVJU RKB18AXVJU
FTKB24AXVJU RKB24AXVJU
FTKN09AXVJU RKN09AXVJU
FTKN12AXVJU RKN12AXVJU
FTKN18AXVJU RKN18AXVJU
FTKN24AXVJU RKN24AXVJU
Heatpump
FTXB09AXVJU RXB09AXVJU
FTXB12AXVJU RXB12AXVJU
FTXB18AXVJU RXB18AXVJU
FTXB24AXVJU RXB24AXVJU
FTXN09AXVJU RXN09AXVJU
FTXN12AXVJU RXN12AXVJU
FTXN18AXVJU RXN18AXVJU
FTXN24AXVJU RXN24AXVJU
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Daikin FTXB18AXVJU Specifications

General IconGeneral
Indoor Unit Weight (kg)11
Cooling Capacity (BTU)18000
Heating Capacity (BTU)18000
RefrigerantR32
Power Supply1 Phase

Summary

Safety Cautions

Post-Repair Product Handling

Cautions for installing, relocating, and securing equipment after repair.

Post-Repair Inspection Procedures

Essential checks and procedures to perform after completing repair work.

PCB Wiring Diagrams

Engineering Data

Function and Control

Service Diagnosis

Error Indication and Retrieval

Interpreting indoor LEDs and retrieving error codes via remote.

Inverter Error Code Descriptions

A comprehensive list of error codes and their descriptions for inverter models.

Troubleshooting Specific Faults

Indoor Unit Component Faults

Troubleshooting for indoor PCB (A1) and fan motor (A6) errors.

Thermistor and Overheat Faults

Troubleshooting for thermistor (A5, C4, C9) and overheat (E5, F3, F6) errors.

Compressor and Fan Motor Issues

Troubleshooting for compressor (E5, E6, H0, H6, L5) and fan motor (E7) errors.

System and Communication Errors

Troubleshooting for communication (U4) and installation (UA) errors.

Wiring Connection Diagrams

Appendix A: Technical Procedures

Trial Operation and Field Settings

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