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LLC+u bms ultrasonic water level control User Manual

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The Marley LLC+u+bms sensor is used to monitor water level in the cold water basin of a cooling tower cell using a non-contact ultrasonic sensor mounted on a stilling chamber. The sensor provides a 4-20mA continuous signal back to a BMS where alarming and controls are provided by the BMS.

VFD 4X control panel User Manual

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The Marley 4X package is provided with a VFD enclosed in a water tight NEMA 4X stainless steel enclosure. Since VFDs natrualy generate heat, a closed loop type air conditioner is provided to evacuate the internal generated heat.

LLC+u IOM user manual

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The LLC+u water level control system consists of an ultrasonic sensor placed to measure the water level in the cold water basin.

AIO Control Panel IOM User Manual

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The Marley AIO cooling tower control panel combines the cooling tower fan motor VFD along with other optional circuits i.e. water level and basin heater controls into a single enclosure feed by a common main circuit breaker.