Indirect/Direct Evaporative Cooling System

EVAP Indirect/Direct Evaporative Cooling System - Model Aztec

Tech Guide (3MB)	Multi-stage rooftop evaporative cooling system for make-up and ventilation As much as 30° drop at 100°/74° F design conditions Provides up to 119% saturation efficiency Performance far exceeding typical evaporative systems	The Sierra Aztec evaporative cooling system is the ultimate in energy efficiency, providing impressive reductions in supply air temperatures rivaling mechanical refrigeration. The Aztec uses a first stage integrated stainless steel cooling tower and cooling coil to provide cooled air to a second stage direct evaporative section, delivering performance of up to 30 EER. Available in sizes from 1500 to 37000 cfm, the Aztec is also available with a heating section up to 1.4 mbtu input.

Multi-stage rooftop evaporative cooling system for make-up and ventilation
As much as 30° drop at 100°/74° F design conditions
Provides up to 119% saturation efficiency
Performance far exceeding typical evaporative systems

The Sierra Aztec evaporative cooling system is the ultimate in energy efficiency, providing impressive reductions in supply air temperatures rivaling mechanical refrigeration. The Aztec uses a first stage integrated stainless steel cooling tower and cooling coil to provide cooled air to a second stage direct evaporative section, delivering performance of up to 30 EER. Available in sizes from 1500 to 37000 cfm, the Aztec is also available with a heating section up to 1.4 mbtu input.

"A" SERIES MODEL	CFM RANGE	NOMINAL COOLING EFFICIENCY	OPTIONAL GAS HEAT MAX. MBH INPUT	BASIC UNIT FOOTPRINT LxWxH	AVAILABLE ARRANGEMENTS	APPROVALS	AVAILABLE ACCESSORIES
ASC-5	1,500-2,500	Indirect Only - 75% Indirect/Direct - 110%-118%	200	152"x52"x42-1/2"	Horizontal	ANSI, FM, & IRI Controls Available on Optional Gas Heat Section	Flat Bank Filter Section with Nominal 2" Pleated or Cleanable Filters, Discharge Shut-off Damper and Modulating Mixing Dampers
ASC-7	2,500-3,500		400	157"x56"x48-1/2"
ASC-10	3,500-5,000		400	169"x64"x55-1/2"
ASC-15	5,000-7,500		600	187"x71"x66-1/2"
ASC-20	7,500-10,000		600	200"x84"x66-1/2"
ASC-25	10,000-12,500		1,000	210"x89"x74-1/2"
ASC-30	12,500-15,000		1,000	210"x92"x80-1/2"
ASC-40	15,000-20,000		1,400	232"x106x92-1/2"
ASC-50	20,000-25,000		1,400	251"x123"x92-1/2"
ASC-60	25,000-30,000		1,400	264"x123"x107-1/2"
ASC-75	30,000-37,500		1,400	288"x123"x125-1/2"