An Age Old Problem Solved
Published: Wednesday, February 29, 2012 7:00 am
By: Dometic Marine
The ‘noise factor’ is now an important consideration for boat owners – while they want to feel their air conditioning working, they don’t want to hear it, especially when sleeping. Well, now they don’t have to because the long sought-after technical solution for noisy AC blowers is here! The WhisperFan Controller uses pulse width modulation to make any AC-driven fan as quiet as a DC-driven fan, offering owners an easy and economical solution for noisy fans.
By pulsing the voltage hundreds of times faster than is possible with triacs (electrical switches) used by other fan-quieting technologies, the innovative device ensures a smoother motor current, resulting in extremely low noise output. In fact, the WhisperFan Controller makes blower fans up to 6 dBA (decibels adjusted) quieter than standard speed-controlled AC blowers – that’s a drop of about 50% in what the human ear can perceive, so boat owners can now enjoy a peaceful night’s sleep.
Compatible with all Cruisair® and Marine Air Systems® cabin controls, the WhisperFan is simply installed between the electrical box and the blower. It works with existing blowers as well as with new installations and there is no need for costly retrofits and blower replacements often required with other solutions.
Unlike any other fan-quieting device on the market, the WhisperFan Controller also provides versatile user-defined fan-speed manipulation and supports cabin controls with 3, 5 and 6 speeds. For example, if the boat owner feels there is too much of a jump between the blower’s ‘low’ and ‘medium’ settings and not enough of a difference between the ‘medium’ and ‘high’ settings, they can readjust and fine-tune fan output for each setting to suit their preferences.
The intelligent WhisperFan Controller also provides overload protection for itself and the blower it is connected to. By monitoring the electrical current, the WhisperFan will shut down if the level goes too high. This is a smarter method of overload protection than what a fan typically uses, which is based on heat level.
For more information, visit www.dometic.com/whatsnew or watch the product video here: www.dometic.com/videos.
