1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Rinnai Gas Clothes Dryer, model RDT-54S-SV. Please read this manual thoroughly before using the appliance and keep it for future reference.
Important Safety Information
WARNING: Towels or clothing with oil stains, such as beauty oils, must never be dried even after washing due to the risk of spontaneous combustion. Always ensure such items are thoroughly cleaned and free of oil residues before drying, or air dry them.
2. Product Features
The Rinnai RDT-54S-SV Gas Clothes Dryer offers a variety of features designed for efficient and convenient laundry drying.
Diverse Drying Courses
The dryer is equipped with multiple courses to handle various types of laundry:
- Standard Course: For everyday clothes like shirts and trousers. Dries quickly and finishes fluffy.
- Delicate Course: For delicate items such as nylon stockings and frills. Dries gently with reduced heat.
- Thick Clothes Course: For jeans and thick bath towels. Dries thoroughly, leaving no dampness.
- Shoe Drying: For drying shoes using an optional small item drying rack (FDT-31S series accessory shown, check compatibility for RDT-54S-SV).
- Eco Course: Operates economically by automatically switching between hot air and cool air drying, reducing running costs.

Image: Overview of various drying courses available on the Rinnai gas clothes dryer.
Automatic Operation and Digital Display
The dryer features fully automatic operation for ease of use. Simply select a course and press the start button; the dryer will operate until drying is complete and automatically stop with a buzzer notification. The digital display shows the remaining drying time, allowing you to manage your time efficiently.

Image: Digital display and door opening options.
Timer Operation
The dryer allows you to set the drying time from 5 to 90 minutes in 5-minute increments (10-minute increments for times over 30 minutes). This is convenient for quick drying or warming up items like towels and pajamas in cold weather.

Image: Control panel with timer setting.
3. Setup
Proper installation is crucial for the safe and optimal performance of your gas clothes dryer. It is highly recommended that installation be performed by a qualified professional.
Door Opening Direction
The door opening direction can be changed to either left or right to suit your installation site. The unit is typically shipped with a left-opening door, but it features a convertible design allowing it to be changed to right-opening.
Dimensions and Installation Space
Ensure adequate space for installation, considering the product dimensions and necessary clearances for ventilation and maintenance.

Image: Technical drawing with dimensions (Note: This image displays dimensions for model RDT-31S, which is similar in design. Refer to the specifications section for exact RDT-54S-SV dimensions).
4. Operating Instructions
Follow these steps for basic operation of your Rinnai Gas Clothes Dryer.
Control Panel Overview
The control panel is designed for clear visibility and simple operation, utilizing pictograms and a logical button layout.
- Digital Display: Shows remaining time and other status indicators.
- Drying Lamp: Illuminates when the dryer is in operation.
- Filter Cleaning Lamp: Indicates when the filter needs cleaning.
- Power On/Off Switch: Turns the appliance on or off.
- Start/Pause Switch: Initiates or temporarily stops the drying cycle.
- Drum Rotation Switch: Controls drum rotation (if applicable for specific cycles).
- Timer Operation Switch: Activates and adjusts the timer function.
- Time Reduction Switch: Reduces the set drying time.
- Course Switching Switch: Selects different drying courses.

Image: Detailed view of the Rinnai RDT-54S series control panel.
Starting a Drying Cycle
- Load laundry into the drum, ensuring not to overload.
- Close the door securely.
- Press the Power On/Off switch to turn on the dryer.
- Use the Course Switching Switch to select the desired drying program (e.g., Standard, Delicate, Thick Clothes).
- If desired, use the Timer Operation Switch to set a specific drying duration.
- Press the Start/Pause switch to begin the drying cycle.
- The dryer will automatically stop when the cycle is complete.
5. Maintenance
Regular maintenance ensures the longevity and efficient performance of your dryer.
Filter Cleaning
The lint filter should be cleaned after every use to maintain optimal drying performance and prevent fire hazards. The Filter Cleaning Lamp will illuminate to remind you. Refer to your full user manual for specific instructions on accessing and cleaning the filter.
Exterior Cleaning
Wipe the exterior of the dryer with a soft, damp cloth. Do not use abrasive cleaners or solvents.
6. Troubleshooting
If you encounter issues with your dryer, refer to the following common troubleshooting tips. For persistent problems, contact Rinnai customer support.
- Dryer does not start: Check if the power cord is securely plugged in, the gas supply valve is open, and the door is fully closed. Ensure no error codes are displayed.
- Clothes are not drying properly: Check if the lint filter is clean. Ensure the dryer is not overloaded. Verify that the correct drying course was selected. Check for proper ventilation.
- Unusual noise during operation: Ensure the dryer is level. Check for foreign objects in the drum. If the noise persists, discontinue use and contact service.
- No heat: Verify that the gas supply is connected and turned on.
7. Specifications
Key specifications for the Rinnai Gas Clothes Dryer RDT-54S-SV:
| Feature | Specification |
|---|---|
| Manufacturer | Rinnai |
| Model Number | RDT-54S-SV |
| Body Color | White |
| Product Dimensions (D x W x H) | 50.6 cm x 55 cm x 60.9 cm |
| Product Weight | 24.5 kg |
| Drying Capacity | 5.0 kg |
| Power Supply | AC100V |
| Gas Connection | Gas Cord Connection |
| Compatible Gas Type | Propane (LPG) |
| Ignition Method | High voltage spark ignition |
| Safety Devices | Flame failure safety device, thermocouple, leakage safety device, clothes temperature thermistor, exhaust temperature thermistor, overheat prevention device (bimetal switch/thermocouple), door switch, drum rotation detection, fan rotation detection |

Image: Specifications table (Note: This image displays specifications for models RDT-31S and RDT-31SU. Refer to the table above for exact RDT-54S-SV specifications).
8. Warranty and Support
Your Rinnai Gas Clothes Dryer RDT-54S-SV comes with a manufacturer's warranty.
Manufacturer Warranty
This product includes a 1-year manufacturer's warranty. Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, service requests, or questions regarding your Rinnai gas clothes dryer, please contact Rinnai customer support. Contact information can typically be found on the Rinnai official website or in the packaging materials.