SPX Cooling Technologies MarleyAV Series manual Features, AV Air Movement System, AV Structure

/ Features /

AV Air Movement System

nStreamlined eased inlet fan cylinder assures full area, low turbulence airflow through the cylinder.

nHeavy duty aluminum alloy fan– adjustable pitch blades.

n7.5 hp and larger fans are driven by a high quality, solid backed, multi-grooved neoprene and polyester v-belt thru a corrosion resistant aluminum alloy fan sheave.

nHeavy duty, self-aligning, grease lubricated roller bearings selected with an L10 design life of 50,000 to 100,000 hours support the fan and shaft.

nTEFC fan motor, 1.15 service factor, variable torque design, specially insulated for cooling tower duty.

nThe AV air movement system is guaranteed against failure for a period of five full years from date of shipment. Includes fan, fan shaft, bearings and mechanical equipment support.

AV Water Distribution System

nGravity flow distribution system. Easy, nonrestrictive maintenance. Basin covers are standard.

nMarley Spiral Target polypropylene nozzles for consistent, predictable water distribution.

nMarley MX thermoformed PVC film fill is suspended from the upper tower structure by heavy galvanized steel support members providing clearance between fill and sloping self-cleaning collection basin floor for easy basin cleaning. Integral eliminators and louvers keep circulating water confined to fill over a wide range of air flow rates.

AV Structure

nCrossflow configuration — easier and safer to inspect, service and maintain.

nG-235 heavy galvanized steel. Also available in 300 stainless steel.

nFactory-assembled modules, including fan cylinders

— makes final field installation hassle-free.

nLarge Access Doors—the generous plenum region in the AV tower is nonconfining, permitting quick visual inspection of cold water basin, internal structure, drift eliminators and mechanical equipment.

Note: For economical transportation, AV towers are also available unassembled and crated for export.

For Safety Reasons—­always shut down and lock out the fan motor before entering the plenum.