Alternative Hvac System Installations - Ultra-Aire SD12 Installation Instructions Manual

Alternative HVAC System Installations

If the Recommended Dedicated Ultra-Aire Return to HVAC Supply Installation is not possible, there are several
alternative installation options available.
• 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-Aire Return to HVAC Return
Create a separate return for the Ultra-Aire
SD12 in a central area of the building.
Installing the supply air from the Ultra-Aire
SD12 in the return of the HVAC system
requires the HVAC fan to run when the
Ultra-Aire SD12 is operating.
HVAC Return to HVAC Supply
Check Damper should be in place between
the Return and Supply connections of the
dehumidifier.
If Check Damper is not in place, the HVAC
fan must turn on when the dehumidifier
is in operation.
HVAC Return to HVAC Return
Check Damper should be in place between
the Return and Supply connections of the
dehumidifier.
If Check Damper is not in place, the HVAC
fan must turn on when the dehumidifier is
in operation.
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Ultra-Aire SD12 Installation Instructions
DUCTING TO HVAC SYSTEMS
Dedicated Ultra-Aire 90 Return to A/C Retur
Fresh Air Intake
(Optional)
Indoor
Air Return
Ultra-Aire
Motorized
Damper
A/C Return to A/C Supply
Supply
Optional Check Damper
(no HVAC fan needed)
HVAC
Return
Fresh Air
Motorized
Intake
Damper
(Optional)
Ultra-Aire Supply
Optional Check Damper
(no HVAC fan needed)
HVAC Return
Fresh Air
Intake
(Optional)
Motorized
Damper
Air Handler
HVAC
HVAC Supply
Return
Air Handler
HVAC Supply
Backdraft
Damper
A/C Return to A/C Retur n
Air Handler
HVAC
Supply
Ultra-Aire
Supply
www.Ultra-Aire.com | (800) 533-7533
n
Outdoor
Condensing
Unit
Outdoor
Condensing
Unit
Outdoor
Condensing
Unit