Vent-Axia 498095 Lo-Carbon NBR dMEV Circular Decentrilised Mechanical 100mm Smart Extractor Fan

Vent-Axia 498095 Lo-Carbon NBR dMEV Circular Decentrilised Mechanical 100mm Extractor Fan

Vent Axia has designed this extractor fan to offer a more relaxing environment to the homeowner, the Lo-Carbon NBR dMEV C features a delayed start. This patented comfort control option allows the homeowner to enjoy a quiet, peaceful bathroom for up to 20 minutes before the Boost activates. Furthermore, if the light switch turns On and Off within three minutes, the Boost will not activate. No more disturbing the family if the bathroom light is turned on during the night.

The 100mm Lo-Carbon NBR dMEV C comes with variable speed settings of 5-26 l/s achieving a minimum noise level of 7.4dB(A) at 3 metres. All sound pressure levels are quoted at hemispherical measurements. All units shall be and independently third-party tested at the Sound Research Laboratory (SRL), tested to BS EN 13141-6.

The unit shall comprise a single high efficiency EC/DC motor to deliver specific fan powers as low as 0.08 W/l/s, as measured in accordance with the SAP PCDB test method and listed on the PCDB database.

Key Features

• Continuously running 100mm dMEV with sleek circular design
• Designed to comply with the latest Building Regulations Parts L1A and F 2021
• SAP PCDB listed with SFPs down to 0.08 W/l/s
• Near silent operation independently tested
• IPX5 rated, wall and ceiling mounted Zones 1, 2 and 3
• Low ceiling void – 56mm (100mm spigot) and 66mm (125mm spigot)
• Easy to commission, fully adjustable variable control platform
• Intelligent humidistat option with proportional speed increase and timer
• Comfort control option
• 7- year warranty

The minimum whole dwelling ventilation rate for the supply air should meet the higher of the two following result:

• A minimum rate of 0.3l/s per m2 of internal floors area
• A minimum rate determined by the number of bedroom, as per Table 1.3

Nuisance tripping has also been incorporated within the fan logic. The integral humidity sensor versions have functionality that allows for proportional speed increase up to 85% relative humidity (RH) before enabling Boost.

The Lo-Carbon NBR dMEV C is complete with IPX5 rating, allowing flexible installation within Zone 1, 2 and 3.

A back pressure detection system option is available, to Boost if the system pressure increase momentarily due to external wind conditions. A silent mixed flow impeller means the Lo-Carbon NBR dMEV C can meet the requirements of many domestic installations without the need to use a traditional centrifugal fan.

A brand new control platform also provides fully adjustable airflow, meaning wholehouse rates can be achieved easily using fewer fans.

Comfort Control Option

Designed to offer a more relaxing environment to the homeowner, the Lo-Carbon NBR dMEV C features a delayed start. This patented comfort control option allows the homeowner to enjoy a quiet, peaceful bathroom for up to 20 minutes before the Boost activates. Furthermore, if the light switch turns On and Off within three minutes, the Boost will not activate. No more disturbing the family if the bathroom light is turned on during the night.  

Near Silent Operation

The fan has been designed to beas discreet as possible for homeowners, with independently tested sound levels as low as 11.3dB(A) at 6l/s.