Introducció
This manual provides instructions for the proper setup, operation, and maintenance of your Zalman NC3500 Laptop Cooling Pad. Please read this manual thoroughly before use to ensure optimal performance and longevity of the product.
The Zalman NC3500 is designed to enhance laptop performance by providing efficient cooling and includes an integrated USB hub for expanded connectivity.
Característiques del producte
Sistema de refrigeració eficient
The NC3500 features a large 220mm fan and an aesthetically prepared vent hole structure to deliver powerful and ultra-quiet cooling performance for your laptop.

Imatge: Primer pla view of the cooling pad's surface, showing the vent holes and the fan grille, emphasizing its quiet and powerful cooling capabilities.
Hub USB integrat
Expand your connectivity with the integrated USB hub, featuring four USB 2.0 ports for connecting various peripheral devices.

Imatge: Lateral view of the cooling pad, highlighting the four USB 2.0 ports available for connecting external devices.
Turbo Cooling Function
Activate the one-touch Turbo Booster button for quick and enhanced cooling performance when your laptop requires additional heat dissipation.

Image: Detail of the cooling pad's side, showing the 'Turbo Booster' button and a graphic indicating increased cooling performance when activated.
Adjustable Fan Control
Easily adjust the fan speed to balance between cooling performance and noise levels using the integrated volume knob.

Imatge: Lateral view of the cooling pad, focusing on the fan speed adjustment knob for controlling noise and cooling.
Disseny ergonòmic
The cooling pad features a sleek, ergonomic design with a comfortable angle for typing, compatible with laptops ranging from 12 to 17 inches.

Imatge: Un angle view of the Zalman NC3500 cooling pad, highlighting its overall design and form factor.
Contingut del paquet
Verifiqueu que tots els components siguin presents al paquet abans de continuar amb la configuració.
- Zalman NC3500 Laptop Cooling Pad Unit
- Manual d'usuari (aquest document)
- Y-Type USB Power Cable

Image: The three main components included in the package: the NC3500 cooling pad, the user manual, and the Y-type USB power cable.
Instruccions de configuració
Col·locació: Place the Zalman NC3500 cooling pad on a stable, flat surface. Ensure there is adequate space around the pad for proper airflow.
Connectar l'alimentació: Connect the Y-Type USB Power Cable to the designated USB power input port on the cooling pad. Then, connect the other end of the Y-Type USB cable to two available USB ports on your laptop. This provides power for the cooling fan and the integrated USB hub.
Position Laptop: Carefully place your laptop onto the cooling pad, ensuring it is centered and stable. The cooling pad is compatible with laptops from 12 to 17 inches.

Imatge: Frontal view of the cooling pad, illustrating the location of the USB ports for power and peripheral connections.
Operating the Cooling Pad
Encès/apagat: Once connected to your laptop's USB ports, the cooling fan will automatically power on. To turn off the fan, disconnect the USB power cable from your laptop.
Ajustar la velocitat del ventilador: Use the fan control knob located on the side of the cooling pad to adjust the fan speed. Rotate the knob to increase or decrease the fan's RPM, thereby controlling cooling performance and noise level.
Activate Turbo Cooling: For maximum cooling, press the "Turbo Booster" button. This will temporarily increase the fan speed to its highest setting for rapid heat dissipation.
Ús del concentrador USB: Connect your USB peripheral devices (e.g., mouse, keyboard, external hard drive) to the available USB ports on the cooling pad.
Manteniment
To ensure optimal performance and longevity of your Zalman NC3500 cooling pad, regular maintenance is recommended.
Neteja: Periodically clean the fan and vent areas to prevent dust accumulation. Use a soft, dry cloth or a can of compressed air to remove dust from the fan blades and the mesh surface. Ensure the device is disconnected from power before cleaning.
Eviteu les obstruccions: Do not place the cooling pad on soft surfaces (e.g., blankets, carpets) that may block the airflow vents.
Resolució de problemes
El ventilador no gira
Comprova la connexió USB: Ensure the Y-Type USB Power Cable is securely connected to both the cooling pad and two functional USB ports on your laptop.
Prova de ports USB: Try connecting the cooling pad to different USB ports on your laptop to rule out a faulty port.
Potència auxiliar: If your laptop's USB ports do not provide sufficient power, an auxiliary power adapter (sold separately) may be required. Connect it to the DC IN 5V port on the cooling pad.
Refrigeració insuficient
Ajustar la velocitat del ventilador: Augmenteu la velocitat del ventilador amb el botó de control.
Activate Turbo Mode: Press the Turbo Booster button for maximum cooling.
Ventilacions transparents: Ensure the cooling pad's vents and your laptop's vents are not obstructed by dust or other objects.
Soroll inusual
Comproveu si hi ha obstruccions: Inspect the fan area for any foreign objects that might be causing the noise.
Clean Fan: Dust accumulation can sometimes cause imbalance and noise. Clean the fan blades as described in the Maintenance section.
Reduce Fan Speed: Lowering the fan speed may reduce noise, though it will also reduce cooling performance.
Especificacions del producte

Image: A detailed table outlining the technical specifications of the Zalman NC3500 cooling pad.
| Característica | Detall |
|---|---|
| Mida de portàtil compatible | 12" - 17" |
| Dimensions (L x A x A) | 363 x 404 x 56 mm (14.3 x 15.9 x 2.2 polzades) |
| Pes | 1.2 kg (2.7 lliures) |
| Material | Plàstic, Acer |
| Fan Type / Quantity | Actual Fan / 1 EA |
| Mida del ventilador | 220 mm |
| Tipus de rodament | Coixinet de màniga |
| RPM del ventilador | 620 - 720 rpm ± 10% |
| Nivell de soroll | 17 - 23.5 dBA |
| Control del ventilador | Control de volum, activat/desactivat |
| Ports USB | 5EA (4 x USB 2.0 Ports / 1 USB Power Unit) |
| Auxiliary Power Adaptor | Supported (Sold Separately) |
| Entrada de CC | 5V |
| Turbo Button Function | Increases fan speed to 800 rpm |
Garantia i Suport
For warranty information and technical support, please refer to the official Zalman weblloc web o poseu-vos en contacte amb el vostre distribuïdor local. Conserveu el comprovant de compra per a reclamacions de garantia.





