1. Introdución
This manual provides detailed instructions for the proper installation, operation, and maintenance of your Tunze Comline DOC Skimmer 9004 DC. This high-performance protein skimmer is designed for efficient organic waste removal in marine and reef aquariums, contributing to a healthy aquatic environment. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

Image 1: Tunze Comline DOC Skimmer 9004 DC and its controller unit.
2. Instrucións de seguridade
- Desconecte sempre a fonte de alimentación antes de realizar calquera mantemento ou limpeza.
- Ensure the skimmer is fully submerged to the recommended water level during operation.
- Do not operate the skimmer if the power cord or plug is damaged.
- This device is designed for indoor use in aquariums only.
- Manter fóra do alcance dos nenos.
- Evite tocar as pezas móbiles durante o funcionamento.
3. Contido do paquete
Verifique que todos os compoñentes estean presentes e non presenten danos ao desembalar:
- Tunze Comline DOC Skimmer 9004 DC unit
- Vaso de recollida con tapa
- DC motor with controller
- Magnet holder for mounting
- Air hose and silencer
- Unidade de alimentación
4. Configuración e instalación
Follow these steps to properly install your skimmer:
- Desembalar e inspeccionar: Retire con coidado todos os compoñentes da embalaxe e inspeccione se hai algún dano.
- Assemble Skimmer: The skimmer typically comes pre-assembled. Ensure the collection cup is securely seated on the main body. Verify that the air hose is properly connected to the pump's air intake and the air silencer.
- Montaxe: The skimmer uses a magnet holder for attachment. Place the skimmer inside the aquarium or sump at the desired location. Position the external magnet on the outside of the glass, aligning it with the internal magnet on the skimmer body. Ensure a secure grip.
- Nivel de auga: The skimmer's performance is highly dependent on the water level. Position the skimmer so that the water line in the aquarium or sump is between the minimum and maximum markings indicated on the skimmer body. Adjust the skimmer's height using the magnet holder if necessary.
- Conectar o controlador: Connect the DC motor cable from the skimmer to the controller unit. Then, connect the power supply unit to the controller and plug it into a suitable power outlet.
- Posta en marcha inicial: Upon first start-up, the skimmer may produce micro-bubbles. This is normal during the break-in period, which can last from a few hours to several days. The skimmer will stabilize and begin producing stable foam over time.
5. Instrucións de funcionamento
The Tunze Comline DOC Skimmer 9004 DC features a DC motor with a controller for precise adjustment.
- Encendido/apagado: Plug in the power supply to turn the skimmer on. Unplug to turn it off.
- Skimmate Production Adjustment: The controller allows you to adjust the pump's output, which directly affects the skimmate consistency.
- Use the knob or buttons on the controller to increase or decrease the pump's power.
- Para wet skimmate (lighter color, more liquid), increase the pump power or raise the skimmer slightly.
- Para dry skimmate (darker color, thicker consistency), decrease the pump power or lower the skimmer slightly.
- Observe the foam head in the neck of the collection cup. It should form a stable column of fine bubbles.
- Collection Cup Cleaning Function: The controller may include a "cup cleaning" or "feed mode" button. Pressing this button typically pauses the skimmer for a set period (e.g., 10 minutes) to allow for collection cup removal and cleaning without overflowing. Press it again to resume normal operation.
6. Mantemento
Regular maintenance ensures optimal performance and extends the lifespan of your skimmer.
- Copa de colección: Empty and clean the collection cup regularly, typically every 1-3 days, or as needed depending on skimmate production. Rinse with fresh water.
- Skimmer Neck: Wipe the inside of the skimmer neck (below the collection cup) weekly to prevent organic buildup, which can hinder foam production.
- Air Silencer and Air Hose: Check the air silencer and air hose periodically for blockages or salt creep. Clean with fresh water and a small brush if necessary.
- Pump and Impeller: Every 1-3 months, or if performance decreases, disassemble the pump and clean the impeller and pump housing. Remove any debris, calcium buildup, or slime. Use a soft brush and vinegar solution for stubborn deposits. Rinse thoroughly with fresh water before reassembly.
- Limpeza xeral: For a more thorough cleaning, the entire skimmer body can be soaked in a vinegar solution to remove stubborn algae and calcium deposits. Rinse thoroughly before returning to the aquarium.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| No foam production or very little foam. |
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| Excessive micro-bubbles in aquarium. |
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| Skimmer overflowing collection cup rapidly. |
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| Skimmer is noisy. |
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8. Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | 9004.001 |
| Marca | Tunze |
| Dimensións (LxWxH) | 4.3 x 3.5 x 12 polgadas |
| Peso do elemento | 3 libras |
| Fonte de alimentación | DC Motor with Controller (12V/24V compatible, specific voltage depends on power supply) |
| Aplicación | Marine and Reef Aquariums |
| Cor | Black, Blue, Clear, Red, White (housing components) |
9. Soporte e información de contacto
For technical assistance, spare parts, or warranty inquiries, please contact Tunze customer support.
- Fabricante: Tunze USA LLC
- Websitio: www.tunze.com (Please refer to the official Tunze website for the most current contact details and support resources.)
Note: Warranty terms and conditions may vary by region and retailer. Please retain your proof of purchase for warranty claims.





