整个热水系统中只有从批量加热热水器引水的软管、连接阀、以及接在止热阀（the Hot Out valve）上用作贯通的三通是新添加的。
The only thing new to your existing system is the hose coming down from the batch heater, the batch connect valve, and the “T” connector at the Hot Out valve to tie it all together.
活动可设定时发生的一个条件得到满足例如，激活接力高报警，计时器开始批量启动或添加讯息显示了通信通道超时；
Events can be set to occur when a condition is met eg activate a relay on high alarm, start a timer on batch start or add a message to the display on a comms channel timeout;
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