1. Introduktion
This manual provides detailed instructions for the safe and efficient installation, operation, and maintenance of the VENTS-US VKM 150 Metal Inline Duct Fan. The VKM 150 is a centrifugal impeller fan designed for boosting airflow in 6-inch ducts, suitable for various ventilation applications including bathrooms, kitchens, living areas, workshops, and warehouses. Please read this manual thoroughly before installation and operation.
2. Sikkerhedsoplysninger
Overhold altid følgende sikkerhedsforanstaltninger for at mindske risikoen for brand, elektrisk stød eller personskade:
- Afbryd strømmen før servicering eller rengøring.
- Installation must comply with all local electrical and safety codes.
- Brug ikke denne ventilator med nogen form for solid-state hastighedsstyringsenhed, medmindre den er specifikt designet til det.
- Sørg for korrekt jording for at reducere risikoen for elektrisk stød.
- Mount the unit with the lowest moving parts at least 8 feet (2.5 meters) above the floor or grade level.
- Install behind shutters for protection from rain if used in an exposed location.
- This fan is designed for indoor usage only.
3. Pakkens indhold
Kontroller, at alle komponenter er til stede og ubeskadigede:
- VENTS-US VKM 150 Inline Duct Fan
- Monteringsbeslag
- Strømledning
- Instruktionsmanual (dette dokument)
4. Produktet er slutview
The VKM 150 is a robust metal inline duct fan featuring a centrifugal impeller for high static pressure applications. Its durable polymer-coated steel housing ensures longevity, and the permanently lubricated ball bearing motor provides maintenance-free operation.

Figur 4.1: Forside view of the VENTS-US VKM 150 Metal Inline Duct Fan, showcasing its blue housing and power connection box.

Figur 4.2: Bagside view of the VKM 150 fan, showing the internal impeller and mounting bracket attachment points.

Figur 4.3: Øverst view of the VKM 150 fan, displaying product labels with electrical specifications and safety warnings.

Figure 4.4: Close-up side view of the electrical connection box on the VKM 150 fan.

Figur 4.5: Vinklet view of the VKM 150 fan, showing the pre-wired power cord and mounting brackets.
Video 4.1: Overståetview of the VKM Inline Centrifugal Metal Fan Series, highlighting its features and applications.
5. Specifikationer
| Feature | Specifikation |
|---|---|
| Modelnavn | VKM 150 |
| Mærke | VENTS-US |
| Kanaldiameter | 6 tommer |
| Luftmængde kapacitet | 460 CFM (at 0" static pressure) / 422 CFM (at 0.2" static pressure) |
| Wattage | 152 watt |
| Voltage | 120 volt |
| Hastighed | 3287 RPM |
| Støjniveau | 3.2 soner |
| Motortype | Single-phase external rotor motor with backward curved centrifugal impellers, permanently lubricated ball bearings |
| Materiale til hus | Polymerbelagt stål |
| Produktdimensioner | 8.69" D x 13.75" B x 11.94" H |
| Varens vægt | 12.07 pund |
| Installationstype | Inline |
| Indendørs/Udendørs brug | Indendørs |
| Certificering | ETL |

Figure 5.1: Dimensional drawing of the VKM 150 fan, showing key measurements for installation planning.
6. Opsætning og installation
The VKM 150 fan is designed for straightforward installation in 6-inch ducting. It comes pre-wired with a power cord and includes mounting brackets for convenience.
6.1 Montering af ventilatoren
- Vælg placering: Choose a suitable location within your duct system. Ensure there is enough space for the fan and access for future maintenance. Remember to mount the fan with the lowest moving parts at least 8 feet (2.5 meters) above the floor or grade level.
- Fastgør beslag: Secure the included mounting brackets to a stable surface (e.g., ceiling joist, wall stud) using appropriate fasteners (not included).
- Position Ventilator: Place the fan onto the mounting brackets and secure it firmly.
6.2 Kanaltilslutning
- Connect Ducting: Connect the 6-inch ductwork to both inlet and outlet ports of the fan.
- Sikre forbindelser: Use duct clamps or aluminum tape to create airtight seals at all connections. This prevents air leakage and ensures optimal performance.
6.3 Elektrisk tilslutning
- Sluk: Ensure the main power supply to the installation area is turned off at the circuit breaker before making any electrical connections.
- Tilslut: The VKM 150 comes with a pre-wired power cord. Plug the power cord into a standard 120V AC outlet.
- Verify Grounding: Confirm that the outlet provides proper grounding.
Note: All electrical work should be performed by a qualified electrician and comply with local codes.
7. Betjeningsvejledning
The VKM 150 fan operates at a single speed. Once properly installed and connected to power, it is ready for operation.
- Tænd: Restore power to the circuit at the breaker.
- Aktivér ventilator: If connected to a wall switch or other control device, turn it on to activate the fan.
- Bekræft drift: Listen for the fan to start and feel for airflow through the duct system.
The fan is designed for continuous operation in appropriate environments. Control methods can include a simple on/off switch or more advanced app-based controls if integrated into a smart home system (requires compatible third-party devices, not included).
8. Vedligeholdelse
The VKM 150 fan features a permanently lubricated ball bearing motor, requiring minimal maintenance. However, periodic cleaning is recommended to ensure optimal performance and longevity.
8.1 Rengøringsinstruktioner
- Afbryd strømmen: ADVARSEL: Always disconnect power to the fan at the circuit breaker before attempting any cleaning or maintenance.
- Access Impeller: Carefully remove any duct connections to access the fan's impeller.
- Rengør impeller og hus: Use a soft brush or vacuum cleaner to remove dust and debris from the impeller blades and the interior of the fan housing. Avoid using harsh chemicals or abrasive materials.
- Saml igen: Reconnect ducting and ensure all connections are secure before restoring power.
Frekvens: Cleaning frequency depends on the operating environment. In dusty or greasy environments, more frequent cleaning may be necessary.
9. Fejlfinding
If you experience issues with your VKM 150 fan, consult the following table before contacting support.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ventilatoren tænder ikke. | Ingen strømforsyning. Faulty switch/control. Løse ledninger. | Tjek afbryderen. Test switch/control. Inspect wiring connections (ensure power is off). |
| Reduceret luftgennemstrømning. | Clogged impeller/ducts. Duct leakage. Forkert kanalstørrelse. | Clean impeller and ducts. Seal all duct connections. Ensure 6-inch ducting is used. |
| Overdreven støj eller vibrationer. | Løs montering. Affald i pumpehjulet. Beskadiget løbehjul. | Tighten mounting hardware. Rengør pumpehjulet. Contact VENTS-US support if impeller is damaged. |
| Fan runs intermittently. | Overheating (thermal overload). Løs elektrisk forbindelse. | Ensure adequate ventilation around the fan. Check electrical connections (power off). |
10. Garanti og support
VENTS-US products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your product or visit the official VENTS-US website. If you require technical assistance or have questions not covered in this manual, please contact VENTS-US customer support.
VENTS-US Contact Information:
- Webwebsted: Visit the VENTS Store on Amazon
- Kundeservice: Refer to your product packaging or the VENTS-US webhjemmeside for de seneste kontaktoplysninger.





