飲料調製マシンおよび飲料調製マシンの作動方法

摘要

A method of operating a beverage preparation machine, the beverage preparation machine being of the type comprising a brewer comprising: a reservoir containing water; a delivery head for receiving in use a cartridge containing one or more beverage ingredients; a pump for pumping water from said reservoir to said delivery head; a primary heater for heating the water contained in said reservoir; a secondary heater in between the reservoir and the delivery head; a controller for controlling energisation of the primary heater and the secondary heater; and wherein the controller operates to prevent energisation of the primary heater simultaneous with energisation of the secondary heater. An apparatus for carrying out the method is also disclosed and methods and apparatus utilising first and second brewers.