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800.533.7533 | Santa-Fe-Products.com

Santa Fe Oasis105 Installation & Operation Instructions

Basement/Crawl Space Installation

1.  The Oasis105 must operate in an enclosed area to be most effective. Close all exterior vents, doors, windows, 

and other outside openings to the space. The effectiveness of the dehumidifier depends on the rate at which new 

moisture-laden air enters the room.

2.  Place dehumidifier in a central location that does not restrict the airflow of the air intake and air outlet.
3.  The dehumidifier must be installed on a level floor to ensure water drains out of the unit correctly. 
4.  There should be a minimum of 14 inches clearance around the dehumidifier. The unit will produce heat while in 

operation and should not be operated in an enclosed small space like a closet unless it is ducted. 

The Oasis105 is designed to operate between 49 °F and 115 °F. If the inlet air temperature is out of this range, the unit 

will display an error code and not operate. 

Summary of Contents for OASIS105

Page 1: ...tile and energy efficient dehumidifier the Santa Fe Oasis105 is perfect for a wide range of applications including whole home basements attics and crawl spaces It features onboard digital controls var...

Page 2: ...rain Installation 5 Operation 6 Controller Instructions 6 Control Functions 6 Modes of Operation 7 Using Onboard Control 7 Using Remote Terminal Control 7 Terminal Block Control Operations 7 Air Filtr...

Page 3: ...or use as a shelf or table Before leaving the unit unattended ensure children do not have access to the equipment Do not allow children to play with or near the unit or in its air flow The unit is de...

Page 4: ...Location Considerations Locate the dehumidifier near a suitable drain 8 drain hose included Allow for proper drainage and routing of needed drain pipes Locate the dehumidifier in an area where the co...

Page 5: ...y Drain Port Secondary Drain Port End View PVC Trap Use care to keep the hose as flat to the floor as possible Be sure the hose is not kinked or otherwise restricted so water can pass through the hose...

Page 6: ...tor When lit indicates a filter change is needed 7 Filter button Press Filter button after filter is changed to reset 8 Dark Mode indicator When lit indicates unit is in Dark Mode 9 Dark Mode button P...

Page 7: ...4 but less than 1 0 of static resistance Press and Hold the FAN button for 3 seconds this will enter High Override mode this changes the High setting Press the up arrow to 99 in order to operate the...

Page 8: ...ulling on the top of the filter frame Step 2 Replacing the Filter Angle the bottom of the MERV 13 filter and gently slide the filter into the filter slot Do not force If resistance is felt check align...

Page 9: ...Place dehumidifier in a central location that does not restrict the airflow of the air intake and air outlet 3 The dehumidifier must be installed on a level floor to ensure water drains out of the uni...

Page 10: ...not included with the unit Attaching Duct Collars Return Air Inlet A 10 diameter duct collar and a front panel are attached to the unit Supply Air Outlet Two 10 diameter duct collars attach to the out...

Page 11: ...assive grill will prevent the unfinished room from being placed under a negative pressure and also allow the dehumidifier to focus on keeping the unfinished area dry as well The onboard dehumidistat c...

Page 12: ...ted stagnant air flow 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 mad...

Page 13: ...th a backdraft damper If the existing system has multiple returns instead of installing a dedicated return to the Santa Fe Oasis105 it is possible to select one to disconnect from the existing HVAC sy...

Page 14: ...t the supply of the dehumidifier to the air supply of the HVAC system with a backdraft damper Optional Duct the supply of the Oasis105 to a 10 x 10 x 10 tee damper with a gravity draft damper adjusted...

Page 15: ...static requires HI fan setting Anything greater than 0 7 of static requires HI override 99 Anything greater than 0 9 is not recommended HVAC Supply Oasis105 Supply Backdraft Damper Air Handler Option...

Page 16: ...n Install a 6 insulated duct from outside teeing into the 8 return duct of the Ultra Series Dehumidifier to provide outdoor air ventilation optional The supply of the Oasis105 Dehumidifier should be d...

Page 17: ...tes every hour Dehumidifier will not operate until incoming air dew point reads above 40 F No E3 Low refrigerant Evaporator coil temp is too high during extended operation Dehumidifier will go into lo...

Page 18: ...r will circulate air for 15 minutes every hour Dehumidifier will not operate until incoming air temp reads above 40 F No E8 Communication from power board is not being received 1 There is a cable conn...

Page 19: ...in an area that may become wet a GFCI protected circuit is recommended The unit should not be used in areas prone to flooding Consult local electrical codes for any further information An optional rem...

Page 20: ...any costs related to changes to a Product or Component that may be required by any codes laws or regulations that may become effective after initial purchase of the Product by Customer Customer Respon...

Page 21: ...allation Operation Instructions Register your product using the serial number and part number above at www thermastor com registration WARRANTY WARRANTY REGISTER YOUR PRODUCT PART NUMBER SERIAL NUMBER...

Page 22: ...Santa Fe Products com 800 533 7533...

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