User Guide
8
Santa Fe ULTRA98/ULTRA120 Installation & Operation Instructions Santa-Fe-Products.com | 800.533.7533
The recommended installation creates a separate return for the Santa Fe Dehumidier in a central area
of the structure. Duct the supply of the unit to the air supply of the existing HVAC system. Connect an
insulated duct from outside to the 6" collar of the Santa Fe Dehumidier to provide fresh make-up air.
DUCTING TO HVAC SYSTEMS
CAUTION!CAUTION!
DO NOT CONNECT WITH A STATIC PRESSURE GREATER THAN OR EQUAL TO +0.5 WG.
CONTACT TECHNICAL SUPPORT AT (800) 533-7533 FOR ADDITIONAL DETAILS.
Ducting Considerations:
• All exible ducting connected to the Santa Fe Dehumidier should be UL listed.
• A short piece of exible ducting on all Santa Fe Dehumidier duct connections is recommended to reduce
noise and vibration transmitted to rigid ductwork in the structure.
• Use a minimum 10" diameter round or equivalent rectangular duct for total duct lengths of up to 25'. Use
a minimum 12" diameter round or equivalent rectangular duct for longer lengths.
• Grills or diusers on the duct ends must not excessively restrict airow.
• Eective dehumidication may require that ducting be branched to isolated, stagnant air ow areas. When
ducting to two or three areas, use 8" or larger diameter branch ducting. When ducting to four or more
areas, use 6" or larger diameter branch ducting. Provisions must be made to provide airow from supply
locations to the central return location. Proper air distribution is important to ensure even humidity control
and heat distribution throughout the structure.
• DO NOT locate the return in a bathroom or a kitchen.