| 摘要 |
<p>The present invention relates to an instantaneous water heating apparatus and, more particularly, to an instantaneous water heating apparatus which supplies hot water at a desired temperature to a user from the start by preheating for hot water. The instantaneous water heating apparatus comprises: a hot water tank which has a storage space wherein water can be stored or flow, and has a heater for heating the storage space; a current sensing unit which senses currents of supplied commercial power; a heater driving unit which applies currents to the heater by corresponding to a control signal from a control unit; and a control unit which determines authorized output based on the sensed current from the current sensing unit, and performs output from the heater by generating a control signal according to the authorized output.</p> |
