Greenwood Airvac SF90T Centrifugal Extractor Fan - Timer
This is the Greenwood Airvac SF90T Centrifugal Extractor Fan, a powerful and high-performance fan ...This is the Greenwood Airvac SF90T Centrifugal Extractor Fan, a powerful and high-performance fan designed for intermittent ON-OFF ventilation in bathrooms and WCs, complying with current Building Regulation requirements. It replaces the obsolete S90T model and is suitable for surface mounting. The fan features an adjustable override timer that keeps it running after the room light switch is turned off, and a pullcord for activation if the light is not used (this can be removed). It requires a 3-wire connection (permanent live, switched live, and neutral) for the timer function to work. With an extraction rate of 21 litres per second (75m3 per hour), it includes a back draught shutter and an integral filter that is easily removed for washing. Dimensions: 187mm wide x 142mm high x 142mm deep, with a 100mm exhaust.
This guide helps users of the Greenwood Airvac SF90T Centrifugal Extractor Fan understand its features and ensure optimal performance. Designed for bathrooms and WCs, this fan efficiently removes moisture and odors. However, it requires a 3-wire connection for the timer function to operate correctly.
All features
Model Part Number
SF90T
Brand
Greenwood Airvac
Extended Product Information
FAQs
How do I clean the filter?
Remove the filter from the fan and wash it with warm, soapy water. Allow it to dry completely before re-inserting it.
How do I adjust the timer?
Consult the product manual for instructions on adjusting the timer settings. There is usually a dial or switch inside the fan housing.
What type of wiring is needed?
The fan requires a 3-wire connection: permanent live, switched live, and neutral.
Where can I find the product manual?
The product manual should have come with the fan at purchase. You can also likely find a copy of it online from the manufacturer's website.
What is the extraction rate of the fan?
The extraction rate is 21 litres per second (75m3 per hour).
Is the pullcord removable?
Yes, the pullcord can be removed if not required.
What are the dimensions of the fan?
The dimensions are 187mm wide x 142mm high x 142mm deep, with a 100mm exhaust.
What does the back draught shutter do?
The back draught shutter prevents outside air from entering the room when the fan is off.
Troubleshooting
Fan does not turn on.
Check the electrical connections and ensure the power supply is working. Check the fuse or circuit breaker.
Timer function not working.
Verify the 3-wire connection (permanent live, switched live, and neutral). Ensure the timer settings are correctly adjusted.
Fan is noisy.
Check for obstructions in the fan or ducting. Clean the fan blades and filter. Ensure the fan is securely mounted.
Poor extraction performance.
Clean or replace the filter. Check for blockages in the ducting. Ensure the back draught shutter is functioning correctly.
Pros and Cons
Pros
Efficiently removes moisture and odors from bathrooms and WCs.
Adjustable timer allows for post-use operation, enhancing effectiveness.
Easy to install with surface mounting design.
Includes a washable filter, simplifying maintenance.
Cons
Requires a 3-wire connection for timer functionality.
Timer adjustment may require initial setup.
Pullcord design might not suit all bathroom aesthetics.
Setup, Compatibility & Care
Setup
Mounting: The fan is designed for surface mounting. Ensure the mounting surface is level and can support the fan's weight.
Wiring: Connect the fan using a 3-wire connection (permanent live, switched live, and neutral) for the timer function.
Exhaust: Connect the 100mm exhaust ducting to the fan and ensure proper venting.
Timer Adjustment: Adjust the timer to your desired run-on time after the light switch is turned off.
Compatibility
This fan replaces the S90T model.
Compatible with standard bathroom and WC setups.
Requires a 3-wire electrical connection.
Care
Filter Cleaning: Remove and wash the integral filter regularly to maintain efficiency. Clean approximately every month, depending on usage.
Wipe Down: Clean the fan's exterior with a damp cloth.
Inspect Regularly: Periodically check the fan for any blockages or unusual noises.