Module Selection Options - Greenheck Modular Make-Up Air Unit DGX Brochure & Specs

MODULE SELECTION OPTIONS

Module 1
INTAKE
None
requires
Module 2, Option 2
Birdscreen Weatherhood
requires
Module 2, Option 2
Filtered
Weatherhood
Louvered
Weatherhood
Thru-Wall
Evaporative
Cooling
Module 2 Module 3
FILTER COOLING
None
V-Bank Filters *Cooling Coil – CW, DX
Pleated or (standard capacity)
Aluminum Mesh
80/20 Filtered *Cooling Coil – CW, DX
Recirculation (high capacity)
*Chilled water or direct expansion (DX) cooling is available with the model DGX. The cooling section
includes the cooling coil, sloped stainless steel drain pan and insulated double wall construction.
Drain and coil connections are stubbed through the wall for convenience.
For proper coil sizing, use Greenheck CAPS selection software or contact your local representative.
Four row and six row chilled water or DX coils are available with airflow capacity up to 11,000 cfm.
Cooling coil sections are installed upstream of the fan section for a draw through arrangement and
provide a streamlined transition to adjacent DGX sections. DX coils require remote condensing units.
• Module 2 is not available with the Evaporative Cooler section (Module 1, Option 6)
• Cooling Coil modules (Module 3, Option 2 & 3) are not available with Recirculation (Module 2,
Option 3)
• Optional intake dampers available on Cooling Coil section (Module 3, Option 2 & 3)
• Module 1, Option 3, 4 & 5 are not available on Housing 35 and larger
The evaporative cooling section includes a galvanized steel housing with a louvered intake, 2 inch
aluminum mesh filters and a stainless steel evaporative cooling module. The evaporative cooling
media has a depth of 12 inches for 90% cooling effectiveness.
The entire section mounts directly to the front of the DGX unit, eliminating transition or ductwork
by others. Drain and overflow are conveniently tapped through the side of the cooling section. The
supply line connection is field located where convenient. Freeze protection, automatic drain & fill, and
water economizer (Water Wizard) options are also available.
Airflow capacity for evaporative cooling is up to 46,000 cfm. The evaporative cooling section for the
housing 32 and larger ship separately.
Module 4
HEATING
None
Direct Gas Furnace
100% Outdoor Air
Direct Gas Furnace
Recirculation - requires
Module 2, Option 3
Direct Gas Furnace
Variable Air Volume
Module 5
DISCHARGE
Downblast
Discharge
Horizontal
Discharge
Upblast
Discharge
3