1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your IRIS OHYAMA IAW-T504 5.0kg Top Load Washing Machine. Please read this manual thoroughly before use and keep it for future reference. This compact washing machine is designed for 1-2 person households, offering a 5.0kg capacity with a space-saving design and convenient features like Room Dry Mode and a Reservation Timer.

Image 1.1: Top-down view of the IRIS OHYAMA IAW-T504 washing machine.
2. Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury. This appliance is for household use only.
- Ensure the power supply voltage matches the appliance's rating.
- Do not operate the washing machine if the power cord or plug is damaged.
- Keep children away from the appliance during operation.
- Do not insert hands into the spinning tub.
- Always unplug the appliance before cleaning or performing maintenance.
- Ensure proper installation and leveling to prevent vibration and noise.
3. Product Overview
The IAW-T504 washing machine features a compact design with enhanced capacity, making it suitable for smaller living spaces. Its low height ensures easy loading and unloading of laundry.
Key Features:
- 5.0kg Capacity: Ideal for 1-2 person households.
- Compact Design: Main unit height approximately 83.5cm for easy access and space utilization.
- Room Dry Mode: Reduces drying time and helps prevent odors from damp laundry.
- Reservation Timer: Schedule laundry completion from 1 to 24 hours in advance.
- 6 Washing Courses: Standard, Soak, Quick, Bulky, Blanket, Dry.
- 4 Water Level Settings: Manual selection for efficient water usage (47L, 34L, 22L, 13L).
- Durable Stainless Steel Tub: Resistant to dirt and easy to clean.
- Child Lock: Prevents accidental opening of the lid during operation.
- Simple Operation Panel: Intuitive push-button controls.

Image 3.1: Front view of the IRIS OHYAMA IAW-T504 washing machine, highlighting its 5kg capacity and compact size.

Image 3.2: Close-up view of the detergent, bleach, and softener inlets on the washing machine.
4. Setup and Installation
Proper installation is crucial for the washing machine's performance and longevity. Please ensure sufficient space and a stable surface.
4.1 Space Requirements
- Allow at least 15cm of space above the washing machine.
- Maintain at least 1cm of space behind the unit.
- Ensure at least 1cm of space on the left or right side (depending on hose connection).
- For product dimensions, allow an additional 10cm for width, depth, and height when considering doorways, entrances, and stairs for transport.
4.2 Leveling
The washing machine is equipped with adjustable feet to ensure it is level and stable. Only the front right foot is adjustable. Adjust it to prevent wobbling and reduce noise during operation.

Image 4.1: Diagram illustrating required installation clearances and product dimensions for transport.

Image 4.2: Detailed view of the washing machine dimensions (54cm W x 53.5cm D x 83.5cm H) and the adjustable foot for stability.
4.3 Drain Hose Connection
The drain hose supports two directions (left or right) for flexible installation. The hose length is approximately 80cm for the right side and 40cm for the left side. Ensure the drain hose is properly connected and positioned to allow for smooth water drainage.

Image 4.3: Illustration of the drain hose supporting connection from either the left or right side of the machine.
5. Operating Instructions
The IAW-T504 features a user-friendly control panel for easy operation.
5.1 Control Panel Overview
The control panel allows you to select water levels, washing courses, and special functions.

Image 5.1: Close-up of the washing machine's control panel with various buttons and indicators.
5.2 Washing Courses
Select the appropriate course based on your laundry type and soil level:
- Standard: For everyday laundry.
- Soak: For stubborn dirt and odors.
- Quick: For lightly soiled clothes, shortens wash time with one rinse.
- Bulky: For washing thick clothing items.
- Blanket: Suitable for blankets up to 2kg, ensuring a clean finish.
- Dry: Gently washes delicate garments.

Image 5.2: Overview of the six available washing courses.
5.3 Water Level Selection
Choose from four water levels (47L, 34L, 22L, 13L) to match the amount of laundry, optimizing water usage. The 13L setting is manual and fixed regardless of laundry weight, while 22L and above automatically adjust based on laundry volume.

Image 5.3: Display showing the four selectable water levels.
5.4 Room Dry Mode
This mode uses wind to dry clothes, shortening drying time and preventing unpleasant odors from damp laundry. It does not use a heater.

Image 5.4: Illustration of the Room Dry Mode, showing clothes drying with wind.
5.5 Reservation Timer
Set the desired laundry completion time from 1 to 24 hours in advance. This allows you to schedule laundry to finish when you wake up or return home.

Image 5.5: Diagram explaining the reservation timer feature, allowing scheduling from 1 to 24 hours.
5.6 Child Lock
To activate the child lock, press the 'Wash' and 'Rinse' buttons simultaneously. This locks the lid, preventing it from being opened while the machine is powered on, ensuring safety.

Image 5.6: Illustration showing how to activate the child lock by pressing two buttons simultaneously.
6. Maintenance
Regular maintenance ensures optimal performance and hygiene of your washing machine.
6.1 Always Clean Washing Tub
The durable stainless steel tub is designed to resist dirt. Utilize the following courses for tub maintenance:
- Tub Wash Course: Easily cleans invisible dirt inside the tub.
- Tub Dry Course: Run this course after washing to prevent mold growth.

Image 6.1: Features for maintaining a clean washing tub, including the stainless steel tub and removable lint filter.
6.2 Lint Filter
The washing machine includes a removable lint filter. Regularly clean the lint filter to ensure efficient operation and prevent lint from redepositing on clothes.
7. Troubleshooting
If you encounter issues with your washing machine, refer to the following common troubleshooting tips. For more complex problems, contact customer support.
- Machine does not start: Check if the power plug is securely inserted and if the power button is pressed. Ensure the lid is properly closed.
- Excessive vibration/noise: Verify that the washing machine is level. Adjust the adjustable feet if necessary. Ensure laundry is evenly distributed in the tub.
- Water does not drain: Check if the drain hose is kinked or blocked. Ensure the drain hose is positioned correctly.
- Water leakage: Inspect all hose connections for tightness. Check for any cracks or damage to hoses.
- Laundry not clean: Ensure you are using the correct amount of detergent and selecting the appropriate washing course for the load.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | IRIS OHYAMA |
| Model | IAW-T504 |
| Capacity (Wash/Dehydration) | 5.0 kg |
| Product Dimensions (D x W x H) | 53.5 x 54 x 83.5 cm |
| Product Weight | 28 kg |
| Rated Voltage | AC100V |
| Power Frequency | 50Hz / 60Hz |
| Rated Power Consumption (50Hz/60Hz) | 330W / 360W |
| Operating Noise (Wash/Dehydration) | Approx. 36dB / Approx. 51dB |
| Water Level Settings | 13L (manual), 22L, 34L, 47L |
| Standard Water Usage | 92L |
| Waterproof Level | IPX4 |
| Control Panel Type | Push button |
| Door Position | Top |
| Special Features | Start reservation timer, Child lock, Drum clean, Remaining time display |

Image 8.1: Table summarizing the technical specifications of the washing machine.
9. Warranty and Support
Your IRIS OHYAMA IAW-T504 washing machine comes with a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions. For technical support, service, or spare parts, please contact IRIS OHYAMA customer service.
For more information, visit the official IRIS OHYAMA Store on Amazon.co.jp.