Prior to servicing any Watts valve, it is mandatory to shut down the water system by closing both the inlet and outlet shutoff valves.

在维修任何美国瓦茨阀门之前，必须先通过关闭进口和出口关闭阀来实现水系统的关闭。

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When the temperature control knob to set a temperature, hot and cold water mixing valve through proportional control into the outlet, the outlet temperature is always constant.

当温度调节旋钮设定某一温度后，混水阀通过调节进入出水口的冷热水比例，使出水温度始终保持恒定。

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Note: the inlet hot supply is to be connected to the "h" side of the valve, the cold supply side to the "c" side and the mixed water outlet to the "m" side.

注：热水供应进口端连接到阀门的“H”一侧，冷水供应连接到另一侧“C”上，混合水的出口连接到“M”一侧。

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