When the entire system has been filled with water, the balancing valve for each circuit can be opened and adjusted to provide optimum system comfort.

当整个系统已经注满水后，可以再打开每个循环回路的平衡阀把系统调整到最适宜的系统状态。

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Machine control circuit realizes the functions of water level detect, motor driven, water import and export, it consists of water level detector, motor, transmission system components and penstocks.

机械控制电路实现水位检测、电机驱动、进水、排水等功能，主要由水位检测器、电动机、传动系统部件、进水排水电磁阀组成。

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The working principle and circuit design of the spot executive unit in computer telecontrol system for the production management of city water supply are described.

论述了城市供水生产调度微机远动系统中现场执行端的工作原理和电路设计。

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