York PREDATOR MagnaDRY DR090 - COOLING SEQUENCE OF OPERATION; ECONOMIZER WITH SINGLE ENTHALPY SENSOR; ECONOMIZER WITH DUAL ENTHALPY SENSORS; ECONOMIZER WITH POWER EXHAUST

246721-YTG-C-0606
Unitary Products Group 49
FIGURE 27 - FACTORY INSTALLED DOWNFLOW ECONOMIZER
FIGURE 28 - FIELD INSTALLED DOWNFLOW ECONOMIZER W/POWER EXHAUST
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Fresh Air Hood
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Fresh Air Damper
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Return Air Damper
2EE04705424
Barometric Relief Damper
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Barometric Relief Hood
2EE04705424
Fresh Air Hood
2EE04705424
Fresh Air Damper
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Return Air Damper
2PE047032XX
Power Exhaust
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Barometric Relief Damper
2EE04705424
Barometric Relief Hood