Install Instructions
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Ultra-Aire.com | (800) 533-7533 Ultra Aire XT105H / XT155H / XT205H Installation Instructions
Air Handler
HVAC Supply
Dedicated Ultra-Aire 90 Return to A/C Supply
HVAC Return
Fresh Air Intake
(Optional)
Motorized
Damper
Indoor
Air Return
Ultra Series
Supply
Backdraft
Damper
Recommended HVAC System Installation
DUCTING TO HVAC SYSTEMS
The recommended installation draws air from a dedicated indoor air return and ducts the supply of the
dehumidier to the air supply of the existing HVAC system. Utilize the optional fresh air ventilation duct to
provide outside air.
• Install a dedicated air return for the Ultra Series Dehumidifier from a central area of the structure.
• Install an insulated duct from outside to the 6" collar of the Ultra Series Dehumidifier to provide fresh
air
ventilation (optional).
• Duct the supply of the Ultra Series Dehumidifier to the supply of the existing HVAC system with a
backdraft damper.
• DO NOT locate return in a bathroom or kitchen.
• Control should be located remotely from the dehumidifier and placed in a central location.
Dedicated Ultra Series Return to HVAC Supply