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General| Brand | Hitachi |
|---|---|
| Model | RAS-18YH4 |
| Category | Air Conditioner |
| Language | English |
Important warnings and cautions for safe installation of the unit.
Safety measures for moving or servicing the air conditioner.
Critical warnings about operating the unit to prevent hazards.
Cautions to avoid potential damage or minor issues during operation.
Identifies and explains parts of the indoor unit.
Identifies and explains parts of the outdoor unit.
Explains the function of indicator lamps and the temporary switch.
Details the functions and buttons of the remote controller.
Explains the automatic restart feature after a power failure.
Describes how the unit automatically selects heating or cooling mode.
Explains the defrosting operation and its indicators.
Details the dehumidifying process and its conditions.
Explains automatic fan speed adjustment during cooling/heating.
How to set the current time and date for timer functions.
Setting timers for turning the unit off, on, or both.
How to cancel timer settings.
How to cancel sleep timer settings.
Steps for replacing batteries in the remote.
Procedure for cleaning the air filter.
How to clean the front panel of the indoor unit.
Steps for maintenance before long-term storage.
Explains heating, cooling, and dehumidifying capabilities.
Additional operational notes and features.
Notes on timer and sleep timer usage.
Troubleshooting guide for common issues when requesting service.
Explains phenomena that do not indicate unit failure.
List of critical issues requiring immediate service.
