Extractor Fan with Run On Timer. This model is for operation in conjunction with the room light sw...Extractor Fan with Run On Timer. This model is for operation in conjunction with the room light switch. When the light is switched on the fan comes on, when the light is switched off the fan continues to run for a pre-set time (adjustable). This fan requires permanent live, switched live and neutral (3 wires excluding earth) connections to be made at the fan position in order to operate correctly. Please note that the timer function cannot be used unless you have these three wires to connect. This model is for operation in conjunction with the room light switch. When the light is switched on the fan comes on, when the light is switched... Manrose Intervent BVF100T 4" Square Extractor Fan with Timer designed for those looking for something conventional and practical. A great performing fan with an affordable price tag.. Designed for wall, ceiling or window mounting, this comprehensive range offers a wide selection of models for use in bathrooms and toilets. BVF100T has an adjustable run on timer for use where there is a permanent and switched live available at the fan.. Quiet and efficient, the 100mm (4") series has an impressive extract rate of 85m3/hr, 23 liters per second. The units are all manufactured using high ABS thermoplastics for strength and durability, aesthetics and easy cleaning. Power is provided by a single phase induction motor with pre-oiled bearings for a long, maintenance- free life.. Designed to comply with the 2006 Building Regulations on Ventilation (F1).. BVF100 Series designed for wall, ceiling or window mounting through 100mm (4") diameter flexible or rigid pipes or Manrose low profile, flat channel ducting systems.. 220-240V - AC. 50Hz . Single phase consuming 14 watts. These fans are double insulated and do not require an earth. All wiring must comply with current IEE regulations. A double pole isolating switch, having a contact separation of at least 3mm in all poles, must be used with a 3 amp fuse fitted. The fan must not be accessible to a person using either the shower or bath and mounted a minimum of 1.8 metres from the floor.
This guide is for homeowners and installers who want to understand and effectively use the Intervent BVF100T extractor fan. The key benefit is improved air quality in bathrooms and toilets, thanks to its efficient extraction capabilities and adjustable timer. However, it's important to note that this model requires specific wiring (permanent live, switched live, and neutral) to utilize the timer function fully.
All features
Model Part Number
BVF100T
Brand
Intervent
Extended Product Information
FAQs
How do I adjust the timer?
The timer settings are typically adjusted via a small dial or switch located on the fan itself. Consult the product manual for specific instructions.
What type of wiring is required?
The fan requires permanent live, switched live, and neutral connections, excluding earth, for the timer function to operate.
Where can I mount the fan?
The fan can be mounted on the wall, ceiling, or in a window, depending on your needs.
How do I clean the fan?
Use a damp cloth to wipe the fan's exterior and grille. Do not use abrasive cleaners.
What size ducting does the fan use?
The fan uses 100mm (4") diameter ducting.
Is an earth connection required?
No, the fan is double insulated and does not require an earth connection.
What are the dimensions of the fan?
The dimensions are not provided in the product description.
What is the power consumption of the fan?
The fan consumes 14 watts.
Troubleshooting
Fan doesn't turn on.
Check the power supply, the wiring connections, and the fuse. Ensure the light switch is on if the fan is wired to the switched live.
Timer function not working.
Verify that the correct wiring (permanent live, switched live, and neutral) is connected. Check the timer settings and adjust as needed.
Fan is noisy.
Check for obstructions in the fan blades or ducting. Ensure the fan is securely mounted.
Pros and Cons
Pros
Efficiently removes moisture and odors from bathrooms and toilets.
Adjustable timer allows for post-use ventilation.
Durable and easy-to-clean construction.
Versatile mounting options for various installation scenarios.
Compliant with building regulations for ventilation.
Cons
Requires specific wiring (permanent live, switched live, and neutral) for timer function.
Installation requires electrical knowledge or a qualified electrician.
Timer settings may need adjustment to suit specific room conditions.
Limited to 100mm ducting.
Setup, Compatibility & Care
Setup
Wiring: The fan requires three wires (excluding earth) – permanent live, switched live, and neutral – to operate the timer function. Ensure you have these wires available at the fan location.
Mounting: Choose the appropriate mounting location (wall, ceiling, or window) and ensure the area is accessible for wiring and maintenance. A double pole isolating switch, having a contact separation of at least 3mm in all poles, must be used with a 3 amp fuse fitted.
Ducting: Connect the fan to 100mm diameter flexible or rigid pipes or Manrose low profile, flat channel ducting systems.
Compatibility
Voltage: 220-240V AC, 50Hz.
Ducting: Compatible with 100mm ducting systems.
Care
Cleaning: Regularly clean the fan's exterior and grille with a damp cloth.
Maintenance: The pre-oiled bearings require no maintenance. However, periodically check for any obstructions in the fan blades.