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General| Brand | Fujitsu |
|---|---|
| Model | ASU9RLQ |
| Category | Air Conditioner |
| Language | English |
Explains compressor frequency control in cooling and heating based on temperatures.
Covers louver adjustments, compressor frequency ranges, and timer functions.
Lists tools, installation, and servicing precautions for R410A.
Provides troubleshooting steps for a completely non-operational unit.
Explains the self-diagnosis feature and lists error codes and diagnosis methods.
Guides on diagnosing serial communication, IPM protection, and refrigerant cycle faults.
Details wiring harness installation, terminal connections, and test running procedures.
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