Daikin Air Conditioner Remote Control ARC478A30 Instruction Manual

1. Introduction

This instruction manual provides detailed guidance for the proper use and maintenance of your Daikin Air Conditioner Remote Control, model ARC478A30. Please read this manual thoroughly before operating the remote control to ensure safe and efficient use of your air conditioning unit.

2. Safety Information

Do not expose the remote control to direct sunlight, high temperatures, or high humidity.
Avoid dropping the remote control or subjecting it to strong impacts.
If the remote control will not be used for an extended period, remove the batteries to prevent leakage.
Keep batteries out of reach of children. If swallowed, seek medical attention immediately.
Dispose of used batteries according to local regulations.

3. Remote Control Overview

The Daikin ARC478A30 remote control allows you to manage various functions of your air conditioning unit. Below is an image illustrating the remote control's layout and its primary buttons.

Figure 1: Daikin Air Conditioner Remote Control ARC478A30. This image displays the front of the remote control, showing the LCD screen at the top, followed by various function buttons arranged in rows. The Daikin logo is visible above the screen, and the model number ARC478A30 is printed at the bottom.

Button Functions:

運転 (Operation) / 自動 (Auto): Starts automatic operation.
停止 (Stop): Stops the air conditioner operation.
冷房 (Cooling): Selects cooling mode.
ドライ (Dry): Selects dry mode (dehumidification).
暖房 (Heating): Selects heating mode.
送風 (Fan): Selects fan-only mode.
温度 (Temperature) ▲/▼: Adjusts the set temperature up or down.
風量 (Fan Speed): Adjusts the fan speed.
風向上下 (Airflow Up/Down): Adjusts the vertical airflow direction.
風ないス (Windless): Activates the gentle breeze function.
おやすみ (Sleep): Activates sleep mode.
内部クリーン (Internal Clean): Initiates the internal cleaning function (press for 2 seconds).
タイマー (Timer) 入 (On) / 切 (Off) / 取消 (Cancel): Sets or cancels the On/Off timer.

4. Setup

4.1 Battery Installation

Slide open the battery cover on the back of the remote control.
Insert two new AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals are correctly aligned. (Note: Batteries are not included with the remote control.)
Close the battery cover securely.

4.2 Initial Operation

Once batteries are installed, the remote control is ready for use. Point the remote control towards the indoor unit of your Daikin air conditioner and press the desired function button.

5. Operating Instructions

5.1 Power On/Off

To turn on the air conditioner, press the 運転 (Operation) / 自動 (Auto) button.
To turn off the air conditioner, press the 停止 (Stop) button.

5.2 Mode Selection

Press the respective mode button to select the desired operation:

冷房 (Cooling): For cooling the room.
ドライ (Dry): For dehumidification.
暖房 (Heating): For heating the room.
送風 (Fan): For circulating air without heating or cooling.

5.3 Temperature Adjustment

After selecting a mode (Cooling or Heating), use the 温度 (Temperature) ▲ button to increase the temperature and the 温度 (Temperature) ▼ button to decrease it. The set temperature will be displayed on the LCD screen.

5.4 Fan Speed and Airflow Direction

風量 (Fan Speed): Press this button to cycle through available fan speed settings (e.g., Low, Medium, High, Auto). The current setting will be shown on the display.
風向上下 (Airflow Up/Down): Press this button to adjust the vertical swing of the air conditioner's louvers.

5.5 Timer Functions

The remote control features an On/Off timer function.

To set the On Timer (入) or Off Timer (切), press the タイマー (Timer) button repeatedly until the desired timer type is selected. Use the temperature adjustment buttons to set the time.
To cancel a set timer, press the 取消 (Cancel) button.

5.6 Special Functions

風ないス (Windless): Activates a mode designed to provide a gentle, less direct airflow.
おやすみ (Sleep): Engages sleep mode, which typically adjusts temperature and fan speed for comfortable sleep and energy saving.
内部クリーン (Internal Clean): Press and hold this button for 2 seconds to activate the internal cleaning function of the air conditioner, which helps to reduce mold and odors.

6. Maintenance

6.1 Cleaning the Remote Control

Wipe the remote control with a soft, dry cloth. Do not use liquid cleaners, abrasive cleaners, or chemical sprays, as these may damage the surface or internal components.

6.2 Battery Replacement

Replace both batteries when the display becomes dim or the remote control's range decreases. Always replace with new AAA alkaline batteries, ensuring correct polarity.

7. Troubleshooting

Problem	Possible Cause	Solution
Remote control does not operate the air conditioner.	Batteries are depleted or incorrectly installed. Obstruction between remote and indoor unit. Remote control is too far from the indoor unit.	Replace batteries, ensuring correct polarity. Remove any obstructions. Move closer to the indoor unit.
LCD display is dim or blank.	Batteries are low.	Replace batteries.
Air conditioner does not respond to specific button presses.	Infrared emitter may be faulty or button stuck.	Check if other buttons work. If not, consider replacing the remote control.

8. Specifications

Brand: Daikin
Model: ARC478A30
Color: White
Dimensions: Approximately 19.1 x 7.3 x 3 cm
Weight: Approximately 90 g
Power Source: AAA Alkaline Batteries (not included)
Number of Buttons: 10

9. Warranty and Support

For warranty information or technical support, please refer to the documentation provided with your Daikin air conditioning unit or visit the official Daikin website. Keep your purchase receipt as proof of purchase for any warranty claims.

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Daikin ARC478A30