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Accessories
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Drive System Accessories

  • 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.

    Extended Lubrication Lines with Grease Fittings Located by the Access Door

Basin Accessories

  • Standard Mechanical Water Level Control Mechanical make-up valves must operate continuously in the moist and turbulent environment 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.
  • Electronic 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 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 basin. A complete piping system, including nozzles, is provided in the basin to connect to side stream filtration equipment (provided by others). For more information on filtration systems, consult the 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 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
CXVT-x-1224-x and XECXVTx-1224-x 2 12 2 15
CXVT-x-1426-x and XECXVTx-1426-x 2 14 2 20
CXVT-x-2424-x and XECXVTx-2424-x 4 12 4 15
CXVT-x-2826-x and XECXVTx-2826-x 4 14 4 20

Note: The table data is based on 460V/3 phase/60Hz power and standard, single-cell configuration.

Access Options

  • Internal Walkway (Option) An internal walkway is available, allowing access to the spacious plenum area for maintenance and inspection of the basin, make-up, fill, and drive system.

    Internal Walkway

  • Motor Removal System (Option) The removal system includes davit arm(s) and access panels on the side opposite of the air inlet face, facilitating motor replacement.
  • External Platform (Option) Every external platform is preassembled and pre-fitted at the factory to ensure that every component will fit and function exactly as described. The platform will ship secured in the basin and attach quickly in the field with minimum fasteners. Safety gates are available for all handrail openings.
  • 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.
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