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Custom Features & Options
Series 1500 Bookmark and Share

Materials of Construction

  • Standard Construction G-235 hot-dip galvanized steel is the heaviest commercially available galvanized steel, universally recognized for its strength and corrosion resistance. To assure long-life, G-235 hot-dip galvanized steel is used as the standard material of construction for all Series 1500 units. With proper maintenance and water treatment, G-235 galvanized steel products will provide an excellent service life under the operating conditions normally encountered in comfort cooling and industrial applications.
  • TriArmor® Corrosion Protection System (Option) The TriArmor® consists of heavy gauge G-235 galvanized steel panels fully encapsulated by a thermosetting hybrid polymer and further protected by a polyurethane barrier applied to all submerged surfaces of the cold water basin. The triple layers of protection form a completely seamless cold water basin for the most leak resistant and durable basin in the industry. Other components, such as the strainer, within the basin will be constructed of Type 304 Stainless Steel. The TriArmor®Corrosion Protection System was specifically designed for evaporative cooling applications and released in 2006 after a decade of extensive R&D and field testing. To date, there are over 1,000 successful installations in North America. Every basin is leak tested at the factory and warranted against leaks and corrosion for 5 years.
    TriArmor® Corrosion Protection System Triple Layer Protection of the Cold Water Basin
    TriArmor® Corrosion Protection System Triple Layer Protection of the Cold Water Basin
  • Thermosetting Hybrid Polymer (Option) A thermosetting hybrid polymer, used to extend equipment life, is applied to select G-235 hot-dip galvanized steel components of the unit. The polymerized coating is baked onto the G-235 hot-dip galvanized steel and creates a barrier to the already corrosion resistant galvanized steel. The thermosetting hybrid polymer has been tested to withstand 6,000 hours in a 5% salt spray without blistering, chipping, or loosing adhesion.
  • Stainless Steel (Option) Several Type 304 stainless steel material of construction options are available.
    • Welded Type 304 Stainless Steel Cold Water Basin – A Type 304 welded stainless steel cold water basin is available. All steel panels and structural members of the cold water basin are constructed from Type 304 stainless steel. Seams between panels inside the cold water basin are welded, providing an advantage over bolted stainless steel cold water basins for minimizing susceptibility to leaks at basin seams. The basin is leak tested at the factory and welded seams are provided with a 5-year, leak-proof warranty.
    • Stainless Steel Hot Water Basin The hot water basin and basin covers are constructed of Type 304 stainless steel.
    • All Type 304 Stainless Steel Construction All unit structural elements and the hot and cold water basins
      are constructed of Type 304 stainless steel. Seams between panels inside the cold water basin are welded, providing an
      extreme advantage over bolted cold water basins for minimizing susceptibility to leaks at basin seams. The basin is leak tested at the factory and welded seams are provided with a 5-year leak-proof warranty.

Drive System Options

  • Standard BALTIDRIVE® Power Train The BALTIDRIVE® Power Train utilizes special corrosion resistant materials of construction and state-of-the-art technology to ensure ease of maintenance and reliable year-round performance. This BAC engineered drive system consists of a specially designed powerband and two cast aluminum sheaves located at minimal shaft centerline distances to maximize belt life. As compared to a gear drive system, this specially engineered belt drive system provides many advantages. The BALTIDRIVE® Power Train requires only periodic inspection of components and belt tensioning, which is simple with a single nut adjustment, and requires less downtime. Only fan bearing lubrication is required for routine maintenance. Belt drive systems also have the added advantage of being suitable for variable frequency drive (VFD) applications without requiring expensive optional accessories.

    BALTIDRIVE® Power Train Fan System

  • Independent Fan Operation The independent fan consists of one fan motor and drive assembly for each fan to allow independent operation, adding an additional step of fan cycling and capacity control. This ensures complete redundancy for the fan and motor system.
  • Dual Drive (Option) — The dual drive option consists of a single motor and drive system attached to two fans. This option is available to reduce the wiring and starter changes on replacement projects.
  • BALTIGUARD™ Fan System (Option) — The BALTIGUARD™ Fan System consists of two standard single-speed
    fan motor and drive assemblies. The drive assemblies are sized for full speed and load. This provides 100% motor redundancy and the greatest level of reliability.

Multi-Cell Unit Options

  • Flume Box – Standard on all Multi-Cell Units A flume box is provided as standard for multi-cell units to ensure balanced water levels in the cold water basins across all cells. See the Connection Guide  for more information.

    Flume Box

  • Equalizer (Option) Equalizer connections are available as an option for multi-cell cooling towers in lieu of a flume box. Use of an equalizer allows for easy isolation of a cell for winter operation, maintenance, or inspection while continuing system operation. See Cooling Towers in Parallel for more information.

Water Distribution System

  • Standard Top Inlet Connection The Series 1500 comes standard with a single inlet connection. Basin covers match the material of construction of the hot water basin and come in easy to handle sections for access and inspection of the distribution system. The use of gravity distribution minimizes pump head requirements and allows for maintenance while the system pump is in operation. BAC’s patented non-clog nozzles ensure even flow over the fill area and are simple to remove for maintenance.

    Standard Top Inlet Connection

  • Standard Weir DamsReducing water flow through a unit below the recommended level may potentially create uneven water distribution through the heat transfer section, causing scale build up, splash out/drift, and icing. The hot water basin can accommodate a flow range of 50% to 100% of the design flow.

    Standard Weir Dams

Fill

  • Standard Fill Standard fill can be used in applications with entering water temperature up to 130°F (54.4°C). The fill and drift eliminators are formed from self-extinguishing PVC having a flame spread rating of 5 per ASTM E84.
  • High Temperature Fill (Option) An optional high temperature fill material is available which increases the maximum allowable entering water temperature to 140°F (60°C).

Shipping and Rigging

  • Knockdown Units (Option) Knockdown units are available for jobs where access to the cooling tower location is limited by elevators, doorways, or similar obstacles, where lifting methods impose very strict weight limits, or where the shipping cost of a fully assembled tower is excessive. All materials of construction and design features are the same as those of a factory assembled unit. Welded Type 304 stainless steel cold water basins and TriArmor® Corrosion Protection System cold water basins are excluded due to the need for in-plant assembly.

Sound Options

  • Standard Fan The fan provided for all Series 1500 Cooling Towers is selected to optimize low sound levels and thermal performance.
    Note: The panel opposite the air intake, called the blank-off panel, is inherently quiet. Positioning the blank-off panel towards the sound sensitive direction insulates sensitive areas from higher sound levels.
  • Low Sound Fan (Option) The Low Sound Fan option reduces sound up to 8 dBA. Adding a high solidity fan decreases sound levels by decreasing fan speed, which proportionally decreases sound levels. The thermal performance with the Low Sound Fan has been certified in accordance with CTI Standard STD-201.
  • Whisper Quiet Fan (Option) For the most extreme sound limitations, BAC’s Whisper Quiet Fan reduces sound up to 14 dBA and is CTI Certified.
  • Sound Attenuation (Option) Factory designed, tested, and rated sound attenuation options are available for both the air intake and discharge. Consult your local BAC Representative regarding available options.

Air Intake

  • Combined Inlet Shields (CIS) The Combined Inlet Shields’ (CIS) bent flow path blocks sunlight from the cold water basin and acts as a screen to prevent debris from entering the unit. These benefits result in a significant reduction in algae growth, debris accumulation and scale build-up. CIS are constructed from corrosion and UV resistant PVC, and are CTI Certified. and are installed in easy to handle sections to facilitate removal, inspection, and replacement. The use of CIS results in lower maintenance costs and ease of maintenance over the life of the unit.

    Combined Inlet Shields (CIS)

Installation Flexibility

  • Piping Flexibility BAC offers a multitude of connection options and locations to ensure the proper fit for any application, potentially eliminating piping modifications and therefore reducing material and labor.
  • Support Steel Flexibility Several support steel configurations are available, including the ability to utilize pre-existing support steel for replacement units, significantly reducing cost.
  • Single-Side Air Intake Single-side air intake units can be placed close to solid walls, reducing the size of enclosures and allowing for more profitable use of premium space. Also, the panel opposite the air intake, called the blank-off panel, is inherently quiet. Positioning the blank-off panel towards the sound sensitive direction insulates sensitive areas from higher sound levels.
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