Using this feature with the Purge Valve closed can result in over pressurizing the system or exceeding the Pressure Safety Relief Valvesetting.
在放气阀关闭时使用这个功能,可能会导致系统压力过大或超过压力安全阀的设置压力。
2
Open valve fully to its memory setting and, on a piece of paper, record the valvesetting.
将阀门完全开启到它的记忆设置点上,在一张纸上,记录这个阀门设置。
3
NOTE: Recirculating control aquastat must be set at least 5oF to 10oF lower than the temperature setting of the Series N170-M2 valve, otherwise the recirculator will run continually.