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Series 3000 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.

    EWLC and Basin Heater

    Electric Water Level Control Package and Basin Heater

  • Side Outlet Depressed Sump Box (Option) A side outlet depressed sump box is available for field installation below the base of the tower. This option facilitates horizontal piping below the basin, and is a compact alternative to using an elbow in the piping arrangement, saving on both installation time and cost. The outlet connection is designed to mate with an ASME Class 150 flat face flange. See the Connection Guide (link here) for more information on standard and optional unit connection types.
  • Steam Coil and Steam Injector Basin Freeze Protection (Option) Steam coils and steam injectors are available to provide basin freeze protection (not available on units with TriArmor® Corrosion Protection System or EVERTOUGH™ Construction).
  • 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 the Filtration Guide.
  • 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 Heater (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
S3E/S3XE-8518 2 6 2 9
S3E/S3XE-1020 2 8 2 12
S3E/S3XE-1222-06x, 1222-07x 2 10 2 14
S3E/S3XE-1222-10x, 1222-12x, 1222-13x, 1222-14x 2 12 2 15
S3E/S3XE-1424-07x 2 14 2 18
S3E/S3XE-1424-12x, 1424-13x, 1424-14x 2 14 2 20

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

Access Options

  • Motor Removal System (Option) All motor removal system options include modular davit arm(s) to facilitate motor replacement. There are three types of motor removal systems available on the Series 3000.
  • External Platforms and Ladder Packages (Option) External platforms and ladder packages (now factory assembled prior to shipping) are available to provide safe access to key components of the unit for maintenance. Multiple configurations are available, including louver face platforms to gain access to the distribution system and motor access platforms for externally mounted gear drive motors.

    External Ladder, Safety Cage, and Handrail

  • Access Door Platform and Ladder Packages (Option) An access door platform is available to allow access to the unit when installed on elevated supports (these are now factory assembled prior to shipping). This option allows for safe access to the unit, as well as a working platform to stage tools for maintenance.
  • Handrail Packages (Option) Handrail packages are available to provide safe access to the top of the unit for maintenance to the distribution system. Fan deck extensions are available for passage around the fan on units designed with maximized fan diameters, Velocity Recovery (VR) Stacks, or discharge sound attenuation. The specially designed handrail packages are secured for compact shipping in the cold water basin to minimize shipping costs and are ready for field assembly.
  • Internal Walkway (Option) An internal walkway is available, allowing access to the spacious plenum area for maintenance and inspection of the cold water basin, make-up, fill, and drive system.
  • 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 available for all handrail openings, and all components are designed to meet OSHA requirements. An internal walkway is required with this package.

    Internal Ladder, Service Platform, and Walkway


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