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Series 1500 Bookmark and Share

Drive System Options

  • Vibration Cutout Switch (Option) — 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.
  • Extended Lubrication Lines (Option) — 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.

Cold Water Basin Accessories

  • Standard Mechanical Water Level Control Mechanical make-up valves must operate continuously in the moist and turbulent environment existing within evaporative cooling equipment. Due to this environment, the operation of the valve must be simple, and the valve must be durable. BAC’s high quality mechanical water level control assembly is standard with all units, and has been specially designed to provide the most reliable operation while being easy to maintain. This accessory is omitted for remote sump applications.
  • Electric Water Level Control (Option) 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..
  • Basin Sweeper Piping (Option) 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). For more information on filtration systems, consult “Filtration Guide” found in Filtration Guide.

    Basin Sweeper Piping

  • Low and High Level Alarm Float Switches (Option) Low and high level alarm float switches are available to provide added control to your equipment operation. Level alarms can alert operators to an abnormal operating condition to ensure the highest system efficiency with minimal water usage.
  • Basin Heaters (Option) 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.

Heater kW Data

Model Numbers 0°F (-17.8°C) Ambient Heaters -20°F (-28.9°C) Ambient Heaters
Number of Heaters kW per Heater Number of Heaters kW per Heater
S15E/XES15E-1285 1 10 1 12
S15E/XES15E-1212 1 12 1 16
S15E/XES15E-1218 2 10 2 12

Note: The table data is based on 460V/3 phase/60HZ power.

Access Options

  • Standard Internal Walkway An internal walkway is standard, allowing access to the spacious plenum area for maintenance and inspections of the basin, make-up, fill, and drive system.

    Standard Internal Walkway


  • External Platforms and Ladder Packages (Option)External platforms and ladder packages are available to provide safe access to key components such as the water distribution system of the unit for maintenance. These specially designed platforms are secured for compact shipping in the cold water basin to minimize shipping costs and are ready for field assembly.
  • Handrail Packages (Option) Handrail packages are available to provide safe access to the top of the unit for maintenance of the distributions system. The designed packages are secured for compact shipping in the cold water basin to minimize shipping costs and are easily assembled in the field.

    Handrail Package

  • Internal Service Platform and Ladder Packages (Option for Two Piece Units) For access to the motor and drive assemblies, an internal ladder and upper service platform with handrails is available on larger units. Safety gates are standard for all handrail openings, and all components are designed to meet OSHA requirements.
  • Internal Ladder (Option) A moveable internal ladder is available, providing access to the motor and drive assemblies.
  • Access Door Platform and Ladder Packages (Option) An access door platform is available to allow access to the unit when installed on elevated supports. This option allows for safe access to the unit, as well as a working platform to stage tools for maintenance.
    Note: Site safety guidelines should dictate access packages selected for the project.


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