门被设置成在必要的时候自动开关。

The door is programmed to open whenever necessary.

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可以对温度控制装置进行人工设置，可根据设定的温度自动开关电源。本款电热水器还在工厂就预先安装了能够在温度控制装置失效的情况下切断全部电源的装置。

The temperature limiting device is of the manual reset, trip-free type and has been factory installed to interrupt all ungrounded power supply conductors in the event of thermostat failure.

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