MARLEY ULTRASONIC OIL LEVEL SWITCH (OLS) CONTROLS for Geareducer Gear Drives

Cooling Tower Parts
Brand: Marley | Product Type: Cooling Tower Controls
Marley ABH Control Panel

Overview

Marley Ultrasonic Oil Level Switch controls are used to monitor and alarm low oil level conditions in a cooling tower gearbox using ultrasonic sound wave technology via a set of probes.

The set point switch is factory mounted in the oil level piping; field calibration is not required.

Proof In Performance
Features
  • Factory installed oil piping with height adjustment bracket.
  • Factory-installed ultrasonic oil level DC switch with 25′ cable (50′ available for large cooling towers).
  • NEMA 4X fiberglass AC to DC interface relay box field mounted outside the cooling tower.
  • Integrated ON-OFF dry relay contact used by the BMS to activate an alarm for the cooling tower operator.
Marley OLS+u ULTRASONIC OIL LEVEL SWITCH CONTROL AC utility power applied to the AC to DC interface box provides DC power to the oil level sensing switch. 2 Form C relay contacts are provided in the interface box that change state if the oil in the gearbox drops to a low condition. Marley OLS+u Engineering Data and Specifications Marley OLS+u+bms ULTRASONIC OIL LEVEL SWITCH CONTROL for BMS The OLS ultrasonic switch is a 4-wire device, two wires for DC power from the BMS (Building Management System) and two wires for its internal switch. The switch includes an integrated ON-OFF dry relay contact used by the BMS to activate an alarm for the cooling tower operator. Marley OLS+u+bms Engineering Data & Specifications