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In our Desalination plant 24 T/h capacity boiler is there. The damper controlling servo motor assembly not working properly. We changed with new one, when we checked in workshop by by simulating 4-20 ma motor is moving clockwise and anti-clockwise properly. but if we install in boiler and connect with control circuit it will not work.every time we connecting to control circuit potentiometer getting damage.
Servo motor Assembly - Siemens , 24 VAC.
Servo motor Assembly - Siemens , 24 VAC.