A standard cooling fan is essentially a bladed DC motor. By varying the voltage input across the acceptable range for a fan, the speed of the fan will increase (to added voltage) and decrease (to reduced voltage); a faster fan means more air moved and thus a higher heat exchange rate.
Contact them toll-free from a Vodacom cellphone by dialing 111. Contact them toll-free from a Telkom phone by dialing 0800-111-234. Note: Telkom toll-free numbers are generally NOT toll-free when dialed from a MTN/Vodacom cellphone.
The ContactHelpline.co telephone number for Vodafone Customer Services is 0843 504 1605, a call to this number will be put straight through to the Vodafone Customer Services staff member, who will be able to assist with the enquiry.About Vodafone.or information about any Mobile Phone Voice or data package/device please call the Vodafone Customer Care Number, provided by ContactHelpline.co, on 0843 504 1605.