The stamped arrow on bottom plate mounting and top cover gum label arrow must both point in direction of flow. (See page 6 for "Installation" and page 7 for "Flow rates and wiring information.
底盘上的模压箭头和顶盖上树脂标签箭头必须都指向流体流向。（请参阅第6页了解“安装”信息，参阅第7页了解“流量额定和接线信息”。）
The stamped arrow on bottom plate mounting and top cover gum label arrow must both point in direction of flow. (See page 6 for "Installation" and page 7 for "Flow rates and wiring information.
底盘上的模压箭头和顶盖上树脂标签箭头必须都指向流体流向。（请参阅第6页了解“安装”信息，参阅第7页了解“流量额定和接线信息”。）
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