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■ Inlet Water Bypass—provision for total water bypass directly into the tower collection basin during cold
weather operation.
■ Hoistable Steel Grillage—allows assembling tower at grade on temporary supports and hoisting
into final location.
■ Fire Retardant FRP—flame spread rating of 25 or less per ASTM E-84.
■ Control Systems—ranging in sophistication from standard fan starters and disconnects to
Programmable Logic Controllers that work in conjunction with your building or process system.
■ Variable Speed Drive—the ultimate in temperature control, energy management, and
mechanical equipment longevity
■ Electric Basin Heater Package—maintains collection basin water temperatures between 4°C
and 7°C during tower shutdown.
■ Vibration Limit Switch—shuts down the fan motor if excessive vibration occurs.
■ Solid State Water Level Control Package—monitor basin water level with solenoid-valve water
makeup. Configurations include makeup along with high and low water level alarm and cutoff
and electric basin heater cutoff.
■ Magnetrol
®
Electric Float Switch—monitor basin water level with solenoid-valve water makeup.
/ Available Options /
W
H
W
TOWER MODELS TONS W H
21120 129-183 3861 2184
21220 186-211 3861 2565
21320 204-256 3861 2972
22120 243-304 4293 2591
22220 312-425 4293 3023
23120 390-475 5080 3023
23220 419-546 5080 3429
24120* 531-836 7468 3886
24220* 796-1047 7468 4902
*Models in this box size require a taller fan cylinder