Introduction
Thank you for choosing the ModernMate 3-in-1 Multi-Functional Sleeper Chair Bed. This versatile furniture piece is designed to serve as an armchair, a recliner, and a guest bed, making it suitable for various living spaces. This manual provides essential information for safe assembly, proper operation, and effective maintenance of your new sleeper chair bed.
Safety Information
Important Safety Instructions:
- Always follow the assembly instructions provided.
- This product weighs approximately 94 pounds (42.6 kg) and may require more than one person for safe lifting and assembly.
- Exercise caution when adjusting the backrest to prevent injury. The backrest offers three adjustable angles.
- Keep the area around the chair clear during use to prevent tripping hazards.
- Ensure all components are securely fastened before use.
Setup and Assembly
The ModernMate Sleeper Chair Bed requires assembly. Please ensure all parts are present before beginning. Refer to the included assembly guide for detailed step-by-step instructions. The process involves attaching the backrest, armrests, and deploying the bed mechanism.

Figure 1: Easy Set-up to Bed. This image illustrates the four steps to transform the chair into a bed. Step 1 shows the chair in its upright position. Step 2 shows the seat cushion extended forward. Step 3 shows the backrest reclining and the bed frame unfolding. Step 4 shows the chair fully converted into a flat bed.
Assembly is required. It is recommended to have two people for assembly due to the product's weight and size. Follow the visual guide for proper component alignment and secure fastening.
Operating Instructions
Your 3-in-1 Sleeper Chair Bed offers multiple configurations for various uses.
Transforming the Chair

Figure 2: 3-in-1 Sleeper Chair. This image displays the three primary modes of the product: an accent chair (compact seating), a chaise lounge (extended leg support), and a sofa bed (fully flat sleeping surface).
- Chair Mode: For standard seating, ensure the backrest is upright and the bed mechanism is fully retracted.
- Chaise Lounge Mode: Pull the front section of the seat forward to extend the leg rest. This creates a comfortable lounging position.
- Sofa Bed Mode: Fully extend the seat section and recline the backrest to a flat position (180°). The integrated wheels facilitate easy movement for full bed deployment.
Adjusting the Backrest

Figure 3: Adjustable Position. This diagram illustrates the three adjustable backrest angles: 110° for upright seating (e.g., gaming, watching TV), 140° for a relaxed recline (e.g., reading, napping), and 180° for a fully flat sleeping position.
The backrest can be adjusted to three angles: 110°, 140°, and 180°. To adjust, gently push or pull the backrest to the desired position until it locks into place. Ensure it is securely set before leaning back.
Integrated Features

Figure 4: Integrated Features. This image highlights the convenient features of the chair: USB and Type-C charging ports for electronic devices, side pockets for magazines or books, and hidden storage compartments within the armrests for small items like remote controls or tissues.
- USB & Type-C Ports: Located on the side, these ports allow you to charge your electronic devices conveniently.
- Side Pockets: Use the integrated side pockets for storing magazines, books, or other small items.
- Cup Holders: Two cup holders are built into the armrests for beverages.
- Armrest Storage: Lift the armrest covers to access hidden storage compartments, ideal for remote controls or other small essentials.
Maintenance
Proper care will extend the life and appearance of your sleeper chair bed.
- Fabric Care: The chair is upholstered in breathable linen fabric. For general cleaning, gently vacuum with an upholstery attachment. For spills, blot immediately with a clean, dry cloth. Do not rub. For stubborn stains, consult a professional upholstery cleaner.
- Frame Care: The sturdy steel frame requires minimal maintenance. Periodically check all bolts and screws to ensure they are tight.
- Cushion Care: To maintain cushion loft and shape, regularly fluff the foam cushions.
- Wheels: Keep the built-in wheels free of debris to ensure smooth operation when transforming the chair.
Troubleshooting
This section addresses common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Difficulty with assembly | Incorrect part alignment; insufficient force; missing steps. | Review the assembly instructions carefully. Ensure all parts are correctly oriented. Seek assistance from another person if needed, especially for heavy components. |
| Chair feels uncomfortable or too firm | New product firmness; personal preference; insufficient padding. | Allow time for the foam to break in. Consider adding an extra cushion or mattress topper for increased comfort, especially when used as a bed. |
| Cushions appear flat | Normal compression from use. | Regularly fluff the cushions to restore their shape and volume. |
| Difficulty transforming between modes | Mechanism obstruction; wheels jammed. | Ensure no objects are obstructing the mechanism. Check wheels for debris and clear if necessary. Apply gentle, even force. |
Specifications
Key specifications for the ModernMate 3-in-1 Sleeper Chair Bed, Model HK-SC-YN01-1:

Figure 5: Product Dimensions. This image provides detailed measurements of the sleeper chair. In chair mode, it measures approximately 35.8 inches wide, 28 inches deep, and 33.5 inches high. When fully extended as a bed, the total length is approximately 71.7 inches.
| Feature | Detail |
|---|---|
| Model Number | HK-SC-YN01-1 |
| Brand | ModernMate |
| Color | Beige |
| Material | Chenille fabric, Foam fill |
| Frame Material | Alloy Steel |
| Product Dimensions (Chair) | 28"D x 35.8"W x 33.5"H (71.1cm D x 90.9cm W x 85.1cm H) |
| Product Dimensions (Bed) | Approx. 71.7"L (182.1cm L) when fully extended |
| Seat Height | 18 inches (45.7 cm) |
| Seat Depth | 23.2 inches (58.9 cm) |
| Item Weight | 94 Pounds (42.6 kg) |
| Maximum Weight Recommendation | 330 Pounds (149.7 kg) |
| Reclining Positions | 3 (110°, 140°, 180°) |
| Included Components | Sofa Bed Set (includes chair components, cushions, assembly hardware) |
| Special Features | USB & Type-C Ports, Side Pockets, Cup Holders, Armrest Storage, Built-in Wheels |
Warranty Information
ModernMate products are manufactured with quality and care. For specific warranty details regarding your 3-in-1 Sleeper Chair Bed, please refer to the warranty card included with your purchase or contact ModernMate customer support directly. Keep your proof of purchase for warranty claims.
Customer Support
If you have any questions, require assistance with assembly, or need to report a missing/damaged part, please contact ModernMate customer service. Our team is dedicated to providing support and ensuring your satisfaction.
Please visit the official ModernMate website or refer to your purchase documentation for the most current contact information.





