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800.533.7533 | Santa-Fe-Products.com

Santa Fe Oasis105 Installation & Operation Instructions

Ducting To Finished Areas (Optional)

Passive Return Vent

1
2

Optional Wall

Mount Dehumidistat

(mounts on opposite wall in finished area)

3

Supply Grill

4

Supply/Discharge

Duct Work

Finished Area

Unfi

nis

hed

Are

a

3

1

2

4

ish

h

Installation of a Supply Kit Only

Return/Intake

Duct Work

6

1

Return Grill

3

Supply Grill
Supply/Discharge

Duct Work

Installation of a 

Santa Fe Compact2 With a 

Supply Duct Kit Only

Finished Area

1

Optional Wall Mount

Dehumidistat 

(mounts on 

opposite wall in finished area)

2

Passive Return Vent*

5

4

6

5

2 3

4

Unfi

nis

hed

Are

a

Installation of a Supply and Return Duct Kit

Recommended Installations

•  Place the Santa Fe dehumidifier in the unfinished area 

of the basement, near a drain access (condensate will 

drain via gravity or with an optional pump kit).

•  Using the supply duct collar, supply the dry air from 

the dehumidifier into a large, open area in the  

finished section of the basement. 

•  Place a return grill / passive vent on the other side of 

the wall that separates the finished and unfinished 

areas. This will allow for a circular air flow  

throughout the basement.

•  The passive 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 control can be used  

on the unit for this application or a 120 volt  

dehumidistat can be placed in the finished basement 

as well.

•  Be sure to keep all doors open to any other rooms in 

the basement to help with proper air circulation  

(bedrooms, bathrooms, etc.)

•  Place the Santa Fe dehumidifier in the unfinished area 

of the basement, near a drain access (condensate will 

drain via gravity or with an optional pump kit).

•  Using the supply and return duct kit, supply the dry 

air from the dehumidifier into a large, open area of the 

finished basement. Use the return duct kit to draw air 

back through the dehumidifier.

•  Be sure the return and supply are at least 10 feet away 

from each other for proper air flow throughout the 

basement. Add a passive grill between the finished 

and unfinished areas (

*

or have a 2” gap under the door 

separating the two rooms). This will help keep the 

unfinished area dry as well.

•  Use the 120 volt, wall mounted dehumidistat for this 

installation for proper run time on the dehumidifier.

•  Be sure to keep all doors open to any other rooms in 

the basement to help with proper air circulation  

(bedrooms, bathrooms, etc.)

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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