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Construction Options

• ? ?Standard Construction
• Steel panels and structural elements are constructed of heavy-gauge hot-dip galvanized steel.
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• ? ?Optional Stainless Steel Cold Water Basin
• A Type 304 stainless steel cold water basin is available. Seams between panels inside the cold water basin are welded. The basin is leak tested at the factory.
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• ? ?Optional Stainless Steel Hot and Cold Water Basins
• Type 304 stainless steel hot water basins are provided in addition to the cold water basin.
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• ? ?Optional Stainless Steel Construction
• Steel panels and structural elements are constructed of Type 304 stainless steel. Seams between panels inside the cold water basin are welded. The basin is leak tested at the factory

Fan?Drive System

• ? ?BALTIDRIVE? Power Train System
• The fan drive system provides the cooling air necessary to reject unwanted heat from the system to the atmosphere. The standard fan drive system on the Series 1500 is the BALTIDRIVE? Power Train. This BAC engineered drive system consists of a specially designed powerband and cast aluminum sheaves located on minimum shaft centerline distances to maximize belt life. A premium efficient cooling tower duty fan motor provides maximum performance for cooling tower service.
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• BALTIDRIVE? Power Train System
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• ? ?Independent Fan Operation
• Models 15296 through 15425 are provided with one fan motor driving two fans as standard. The independent fan option 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.
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• ? ?BALTIGUARD? Fan System

• The BALTIGUARD? Fan System consists of two standard single-speed fan motor and drive assemblies. One drive assembly is sized for full speed and load, and the other is sized approximately 2/3 speed and consumes only 1/3 the design horsepower. This configuration allows the reserve capacity of a standby motor in the event of failure. As a minimum, approximately 70% capacity will be available from the low horsepower motor, even on a design wet-bulb day. Controls and wiring are the same as those required for a two-speed, two-winding motor. On some units the standby fan motor can be increased to the size of the main motor for 100% redundancy.
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• BALTIGUARD? Fan System