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This touchscreen controller is used to operate a feed water system such as a boiler feed, deaerator or combined deaerator/surge system and design depends on end user requirements. There are graphical and numeric indicators for water level and temperature via transmitter or differential pressure level transmitter and RTD temperature transmitter. Controller can operate up to 8 boiler feed pumps and 4 transfer pumps with alternating and manual control. Various alarms indicate high or low water or temperatures and there is a shutoff for low water and high temperature. There is a maintenance alarm and standby pumps and indicators for loss of sensor signal. The VFD max efficiency sequence maintains multiple feed pumps at low speed.
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