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Drive System Accessories

  • Vibration Cutout Switch — A factory mounted vibration cutout switch is available to effectively protect against rotating equipment failure. BAC can provide either a mechanical or solid-state electronic vibration cutout switch in a NEMA 4 enclosure to ensure reliable protection. Additional contacts can be provided on either switch type to activate an alarm. Remote reset capability is also available on either switch type.

    Vibration Cutout Switch

    Vibration Cutout Switch

  • Extended Lubrication Lines Extended lubrication lines are available for lubrication of the fan shaft bearings. Fittings are located on the exterior casing panel next to the access door.

    Extended Lubrication Lines with  Grease Fittings Located by the  Access Door

    Extended Lubrication Lines with
    Grease Fittings Located by the
    Access Door

Cold Water Basin Accessories

The spray water collects in the cold water basin which is pumped back over the heat transfer coil. During operation, the hygienic cold water basin helps eliminate any stagnant water zones, which are susceptible to biological growth.

  • Electric Water Level Control –BAC’s Electric Water Level Control (EWLC) is a state-of-the-art conductivity actuated, probe type liquid level control. The hermetically sealed EWLC is engineered and manufactured specifically for use in evaporative cooling systems and is equipped with an error code LED which illuminates to indicate status, including when the water and/or probes are dirty. The EWLC option replaces the standard mechanical make-up valve, and includes a slow closing solenoid activated valve in the make-up water line to minimize water hammer. EWLC is recommended when more precise water level control is required and in areas that experience sub-freezing conditions.
Electric Water Level Control

Electric Water Level Control

  • Basin Sweeper Piping –Basin sweeper piping is an effective method of reducing sediment that may collect in the cold water basin of the unit. A complete piping system, including nozzles, is provided in the cold water basin to connect to side stream filtration equipment (provided by others). 
  • Basin Heaters –Evaporative cooling equipment exposed to below freezing ambient temperatures require protection to prevent freezing of the water in the cold water basin when the unit is idle. Factory-installed electric immersion heaters, which maintain 40°F (4.4°C) water temperature, are a simple and inexpensive way of providing such protection.
Basin Heater

Basin Heater

Fill Accessories

  • High Temperature Fill –An optional high temperature fill material is available which increases the maximum allowable spray water temperature to 140°F (60°C). The BAC selection program automatically determines if high temperature fill is needed based on the design requirements.
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