Factory Installed Downflow Economizer; Field Installed Downflow Economizer - York PREDATOR MagnaDRY DR090 Technical Manual

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Fresh Air Hood Fresh Air Damper Return Air Damper
Barometric Relief Damper Barometric Relief Hood
FIGURE 27 - FACTORY INSTALLED DOWNFLOW ECONOMIZER
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Fresh Air Hood Fresh Air Damper Return Air Damper Power Exhaust
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Barometric Relief Damper Barometric Relief Hood
FIGURE 28 - FIELD INSTALLED DOWNFLOW ECONOMIZER W/POWER EXHAUST
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