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.
Reanimator New Member. The Vodafone customer services free number is 111. You can dial this number from any Vodafone mobile telephone, the caller will be connected to Vodafones customer services department free of charge.If you need to call from landline you can dial 08449959677 to reach Vodafone customer services.Also you can use it for Vodafone sales, upgrades, faults, accounts & billing support, for all mobile phones (Pay Monthly, Pay As You Go, and SIM Only plans), mobile internet & broadband, plus all general enquiries.f you need to call from landline you can dial 08449959677 to reach Vodafone customer services. Also you can use it for Vodafone sales, upgrades, faults, accounts & billing support, for all mobile phones (Pay Monthly, Pay As You Go, and SIM Only plans), mobile internet & broadband, plus all general enquiries.