摘要 |
<p>The dispensing unit (10) has a control unit and at least one outlet valve operated by the control unit. It also has a lower cupboard (12), a dispensing surface (14), a droplet bowl (16) and a tapping column (18). The control unit has a means of detecting the elapsed time since the last use of the outlet valve, and a means of producing a control signal after a set rest time since the last use of the outlet valve, or at a predetermined point in time.</p> |