1. Introducció
This manual provides detailed instructions for the assembly, operation, and maintenance of your HUANUO 3-Stage Standing Desk Frame. Please read this manual thoroughly before installation and use to ensure proper function and safety. Keep this manual for future reference.
Característiques principals:
- Wider Height Adjustment: Tres stage legs offer a height range of 23.6 inches to 49.2 inches, suitable for users between 4'11" and 6'7" tall.
- Sturdy & Stable Construction: Made from cold-rolled steel with 30% longer side plates, 40% thicker columns, and a double crossbeam, supporting up to 220 lbs.
- Motor sense escombretes potent: Features an advanced brushless motor, lift-tested for 100,000 cycles, ensuring reliable and quiet operation (≤45 dB).
- Compatibilitat d'escriptori: Adjustable crossbars accommodate desktops from 43.31 inches to 86.61 inches wide and 23.62 inches to 35.43 inches deep.
- Control convenient: Includes a control panel with an LED display and four programmable memory height settings.

Image: The HUANUO 3-Stage Standing Desk Frame, showcasing el seu disseny elegant i la seva construcció robusta.
2. Informació de seguretat
Seguiu sempre aquestes pautes de seguretat per evitar lesions o danys al producte:
- Llegiu totes les instruccions abans de muntar-les i utilitzar-les.
- No supereu el límit de pes màxim de 220 lliures (100 kg).
- Keep the desk away from heat sources and direct sunlight.
- Do not place heavy objects on the desktop when adjusting the height.
- Assegureu-vos que no hi hagi obstacles al pas de l'escriptori durant els ajustaments d'alçada.
- Always use both hands when manually adjusting the height (if applicable) or operating the control panel to prevent accidental movement.
- Mantingueu els nens i les mascotes allunyats de l'escriptori durant el funcionament.
- Només feu servir l'adaptador de corrent i els cables proporcionats.
3. Contingut del paquet
Verifiqueu que tots els components siguin presents i no estiguin danyats abans de començar el muntatge. Si falta alguna peça o està danyada, poseu-vos en contacte amb el servei d'atenció al client.
- Desk Legs (3-stage)
- Crossbeams (Double)
- Caixa de control
- Tauler de control amb pantalla LED
- Adaptador d'alimentació i cable
- Clips de cable (2)
- Headphone/Bag Hooks (2)
- Maquinari de muntatge (cargols, claus Allen)
- Manual d'instruccions

Image: All components included with the HUANUO Standing Desk Frame, including legs, crossbeams, control panel, and accessories.
4. Instruccions de muntatge
Assembly is designed to be straightforward. Follow the numbered steps and refer to the included diagrams for visual guidance. A screwdriver is recommended for assembly.
- Prepara l'espai de treball: Clear a spacious area for assembly. Lay down a soft cloth or cardboard to protect the desk frame and your floor.
- Uneix els peus a les cames: Secure the feet to the bottom of each desk leg using the provided screws.
- Assemble Crossbeams: Connect the double crossbeams between the two desk legs. Ensure they are properly aligned and tightened.
- Install Control Box and Motor: Mount the control box and connect the motor cables according to the diagrams.
- Adjunta el tauler de control: Secure the control panel to the desired location on the desk frame, typically on the front edge.
- Mount Desktop (Sold Separately): Carefully place your chosen desktop onto the assembled frame. Align the desktop and secure it using the provided screws. Ensure screws do not penetrate through the desktop surface.
- Organitzar els cables: Use the included cable clips to manage and secure all cables, preventing tangles and ensuring smooth operation. Attach the headphone/bag hooks as desired.

Image: The fully assembled HUANUO Standing Desk Frame, illustrating the double crossbeam structure and leg components.
5. Instruccions de funcionament
Your HUANUO standing desk frame features an intuitive control panel for easy height adjustment and memory settings.
Funcions del tauler de control:
- Pantalla LED: Mostra l'alçada actual de l'escriptori en polzades.
- Fletxes amunt/avall (▲/▼): Premeu i manteniu premut per ajustar l'alçada de l'escriptori de forma contínua. Deixeu anar per aturar-lo a l'alçada desitjada.
- Preajustos de memòria (1, 2, 3, 4): These buttons allow you to save and recall preferred height settings.
Configuració de preajustos de memòria:
- Ajusteu l'escriptori a l'alçada desitjada amb les fletxes amunt/avall.
- Press the 'S' (Set) button once. The LED display will show 'S-'.
- Within 3 seconds, press the desired memory button (1, 2, 3, or 4). The display will show the number, confirming the height is saved.
Recuperació de preajustos de memòria:
Simply press the corresponding memory button (1, 2, 3, or 4) to automatically move the desk to the saved height.

Image: Close-up of the control panel, showing the LED display, up/down arrows, and four memory preset buttons.
Video: Demonstration of the HUANUO Standing Desk Frame adjusting height, highlighting the smooth and quiet operation of the 3-stage cames.
Ergonomic Height Guidance:
For optimal ergonomics, adjust the desk height so your elbows are bent at approximately 90 degrees when typing, whether sitting or standing. When standing, your feet should be shoulder-width apart, and your spine should maintain its natural curve.

Image: Diagram illustrating ideal ergonomic postures for sitting and standing, with recommended desk heights based on user height.
6. Manteniment
Regular maintenance ensures the longevity and smooth operation of your standing desk frame.
- Neteja: Netegeu el marc amb un drap suauamp drap. Eviteu productes de neteja abrasius o dissolvents que puguin danyar l'acabat.
- Gestió de cables: Periodically check cable connections and ensure they are securely routed and not pinched.
- Comprovació de fixació: Every few months, inspect all screws and bolts to ensure they are tight. Retighten if necessary.
- Comprovació d'obstruccions: Regularly check for any objects that might obstruct the desk's movement path.
7. Solució De Problemes
Si teniu problemes amb l'estructura de l'escriptori de peu, consulteu els problemes i solucions més comuns següents:
| Problema | Causa possible | Solució |
|---|---|---|
| L'escriptori no es mou | Power cable disconnected; Control box cable loose; Overload protection activated. | Check all cable connections. Unplug and replug the power cable. Reduce weight on the desk. |
| Ajust d'alçada desigual | Obstruction; Uneven weight distribution. | Remove any obstructions. Redistribute weight evenly on the desktop. |
| Motor noise is excessive | Loose fasteners; Obstruction. | Check and tighten all assembly fasteners. Ensure no objects are rubbing against moving parts. |
| Els preajustaments de memòria no funcionen | Els preajustos no s'han desat correctament. | Torneu a desar els preajustos de memòria seguint les instruccions de la Secció 5. |
Si el problema persisteix després d'intentar aquestes solucions, poseu-vos en contacte amb el servei d'atenció al client de HUANUO per obtenir més ajuda.
8. Especificacions
Detailed technical specifications for the HUANUO 3-Stage Standing Desk Frame (Model HNESD172B-US).
- Número de model: HNESD172B-US
- Interval d'alçada: 23.6 polzades - 49.2 polzades
- Capacitat de càrrega màxima: 220 lliures (100 kg)
- Cama Stages: 3-stage
- Tipus de motor: Motor sense escombretes
- Nivell de soroll: ≤45 dB
- Desktop Width Compatibility: 43.31 polzades - 86.61 polzades
- Desktop Depth Compatibility: 23.62 polzades - 35.43 polzades
- Material del marc: Acer laminat en fred
- Color: Negre
- Pes de l'article: 43 lliures
- Entrada d'alimentació: [Refer to power adapter label]

Image: Visual comparison of the height range offered by 3-stage legs (23.6"-49.2") versus 2-stage cames.

Image: Diagram illustrating the adjustable crossbar mechanism and compatible desktop dimensions (width and depth).
Vídeo: Un breu resumview of the HUANUO Standing Desk Frame, highlighting its 220lbs capacity and brushless motor.
9. Garantia i Suport
The HUANUO 3-Stage Standing Desk Frame comes with a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions.
For technical support, warranty claims, or any questions regarding your product, please contact HUANUO customer service:
- Weblloc: www.huanuo.com (Example, please refer to actual product documentation for correct contact information)
- Correu electrònic: support@huanuo.com (Example, please refer to actual product documentation for correct contact information)
- Telèfon: 1-800-XXX-XXXX (Ex.ample, please refer to actual product documentation for correct contact information)
Please have your model number (HNESD172B-US) and purchase date ready when contacting support.