SantaFe ULTRA Serie Instrucciones De Instalación página 18

OUTDOOR AIR MECHANICAL VENTILATION
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Outdoor air ventilation is optional.
Outdoor air may be brought into the structure by connecting an insulated duct from outside the structure to the
6" inlet of the Santa Fe Ultra120V. A ventilation control is needed to program the time and frequency that the unit
introduces outside air. The time and frequency of ventilation should be based on the size and occupancy of the
residence.
• The outdoor air ventilation duct should be connected to the 6" damper on the top of the Santa Fe
Ultra120V.
• An insulated 6" diameter duct can provide up to 100 CFM of outside air.
• If a motorized damper is not being used, outdoor air is controlled by the manual damper in the 6" collar
of the Santa Fe Ultra120V.
• The performance of the Santa Fe Ultra120V can be impacted by inside and outside air conditions.
• When a 6" motorized damper is used, a digital control is required.
• It may be necessary to use 8" duct work if additional outdoor air is required.
• In cold climates or at times when the dew point is low, ventilation can be used to dehumidify the
structure, making the Santa Fe Ultra120V capable of year-round drying.
1. Outdoor Air Ventilation With Dehumidifier Off and Fan Only Operation
Outside air mixes with return air prior to beginning the dehumidification process. Outside
and inside temperature and relative humidity will impact the combined outlet air conditions.
Indoor Air
70°F, 50%RH
Outlet Air
76°F, 59%RH
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Santa Fe ULTRA120V Installation & Operation Instructions
Hot Climate
Outdoor Air
90°F, 65%RH
Front
View
Outlet Air
76°F, 59%RH
70°F, 50%RH
6" Optional Outdoor Air Intake
10" Return Air Duct
8" Supply Air Duct #1
8" Supply Air Duct #2 (Optional)
Outlet Air
59°F, 60%RH
Cold Climate
Indoor Air Outdoor Air
30°F, 65%RH
Front
View
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Outlet Air
59°F, 60%RH