Santa Fe Products ULTRA155 Dehumidifier Instructions

June 13, 2024
Santa Fe Products

Santa Fe Products ULTRA155 Dehumidifier

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Product Information

The ULTRA155 & ULTRA205 are alternative HVAC systems that provide dehumidification. These systems can be installed in various configurations depending on the available HVAC setup.

HVAC Return to HVAC Supply:

If the recommended dedicated Ultra Series Return to HVAC Supply installation is not possible, there are alternative options available. In this configuration, a check damper should be placed between the return and supply connections of the dehumidifier. If the check damper is not in place, the HVAC fan must turn on when the dehumidifier is in operation. Optional outdoor air intake is also available, but if the system has a pressure greater than 0.5 WG, the ducting must be reconfigured.

HVAC Supply to HVAC Supply:

CAUTION: In this configuration, if the check damper is not in place, the HVAC fan must turn on when the dehumidifier is in operation. Optional outdoor air intake should not be used in this configuration due to pressure resistance. It is not recommended to use the optional outdoor air intake when installing the dehumidifier supply to supply.

PLEASE NOTE : Return-to-return installs are considered last-resort options and are not recommended. If this installation is chosen, the dehumidifier will heat the AC cooling coils, which diminishes the amount of water the AC system will remove when operating. If this installation is chosen, the dehumidifier must activate the HVAC blower, and AC calls need to lock out the dehumidifier from running. Please check your local codes before installing.

Dedicated Ultra Series Return to HVAC Return:

In this configuration, a separate return for the Ultra Series Dehumidifier should be created in a central area of the building. Installing the supply air from the Ultra Series Dehumidifier to the return of the HVAC system requires the HVAC fan to run when the Ultra Series Dehumidifier is operating.

HVAC Return to HVAC Return:

If the check damper is not in place, the HVAC fan must turn on when the dehumidifier is in operation. Optional outdoor air intake is available. The motorized damper can be installed for better control.

No Existing Ductwork Installation:

When installing the Santa Fe Ultra Series Dehumidifier in a structure without a forced air HVAC system, a single return for the dehumidifier should be installed in a central location. An insulated duct should be installed from outside to the 6″ collar of the Santa Fe Ultra Dehumidifier to provide optional outdoor air ventilation.
The supply of the Ultra Series Dehumidifier should be ducted to the rooms in the home that have ductless mini-split heads and as close to the heads as possible. Utilize multiple rooms to allow proper air circulation. Proper air distribution is important for even humidity control and heat distribution throughout the structure. A 6″ diameter duct is recommended for branches to bedrooms, and an 8″ diameter duct is recommended for the kitchen.

Product Usage Instructions

Follow the installation instructions based on the desired configuration:

  1. If using HVAC Return to HVAC Supply configuration:
    • Place a check damper between the return and supply connections of the dehumidifier.
    • If the check damper is not in place, ensure the HVAC fan turns on when the dehumidifier is in operation.
    • Optional outdoor air intake is available, but reconfigure ducting if the system has a pressure greater than 0.5 WG.
  2. If using HVAC Supply to HVAC Supply configuration:
    • Ensure the check damper is in place or the HVAC fan must turn on when the dehumidifier is in operation.
    • Do not use optional outdoor air intake due to pressure resistance.
  3. If using Dedicated Ultra Series Return to HVAC Return configuration:
    • Create a separate return for the Ultra Series Dehumidifier in a central area of the building.
    • HVAC fan must run when the Ultra Series Dehumidifier is operating.
  4. If using HVAC Return to HVAC Return configuration:
    • Ensure the check damper is in place or HVAC fan must turn on when the dehumidifier is in operation.
    • Optional outdoor air intake is available.
    • The motorized damper can be installed for better control.
  5. If installing in a structure without existing ductwork:
    • Install a single return for the dehumidifier in a central location.
    • Optional outdoor air intake can be installed by connecting an insulated duct from outside to the 6″ collar of the dehumidifier.
    • Duct the supply of the dehumidifier to rooms with ductless mini-split heads, as close to the heads as possible.
    • Utilize multiple rooms for proper air circulation.
    • Use a 6″ diameter duct for branches to bedrooms and an 8″ diameter duct for the kitchen.

Alternative HVAC System Installations

If the Recommended Dedicated Ultra Series 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.
  • For basement and crawl space installations, an optional tee can be installed on the Ultra Series Supply

HVAC Return to HVAC Supply

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  • 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.
  • If the system has greater than 0.5” WG the ducting must be reconfigured.

HVAC Supply to HVAC Supply

CAUTION!
TO AVOID THE DEHUMIDIFIER CYCLING IN AND OUT OF DEFROST, IT IS RECOMMENDED THAT THE LEAVING AIR TEMPERATURE OF THE A/C COIL IS NOT BELOW 55°F. ALSO, THIS INSTALL IS NOT RECOMMENDED FOR CLIMATES WERE THE HEATING SYSTEM WILL RUN DURING THE SPRING AND FALL TIMES OF THE YEAR, AS THIS COULD DIMINISH THE WATER REMOVAL CAPABILITY OF THE DEHUMIDIFIER.

If Check Damper is not in place, the HVAC fan must turn on when the dehumidifier is in operationSanta-Fe-Products-ULTRA155-Dehumidifier-
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WARNING
DUE TO PRESSURE RESISTANCE IT IS NOT RECOMMENDED TO USE THE OPTIONAL OUTDOOR AIR INTAKE WHEN INSTALLING THE DEHUMIDIFIER SUPPLY TO SUPPLY.

CAUTION!
PLEASE NOTE: RETURN TO RETURN INSTALLS ARE TO BE CONSIDERED LAST RESORT OPTIONS AND ARE NOT RECOMMENDED. THE DEHUMIDIFIER WILL HEAT THE AC COOLING COILS WHICH DIMINISHES THE AMOUNT OF WATER THE AC SYSTEM WILL REMOVE WHEN OPERATING. IF THIS INSTALLATION IS CHOSEN, THE DEHUMIDIFIER MUST ACTIVATE THE HVAC BLOWER AND AC CALLS NEED TO LOCK OUT THE DEHUMIDIFIER FROM RUNNING. PLEASE CHECK YOUR LOCAL CODES PRIOR TO INSTALLING

Dedicated Ultra Series Return to HVAC Return

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ULTRA155-Dehumidifier- \(3\) Santa-Fe-Products-
ULTRA155-Dehumidifier- \(4\)

Create a separate return for the Ultra Series Dehumidifier in a central area of the building.
Installing the supply air from the Ultra Series Dehumidifier to the return of the HVAC system requires the HVAC fan to run when the Ultra Series Dehumidifier is operating.

HVAC Return to HVAC Return
If Check Damper is not in place, the HVAC fan must turn on when the dehumidifier is in operation

No Existing Ductwork Installation

  • When installing the Santa Fe Ultra Series Dehumidifier in a structure that does not have a forced air HVAC system, a single return for the dehumidifier should be installed in a central location.
  • Install an insulated duct from outside to the 6” collar of the Santa Fe Ultra Dehumidifier to provide outdoor air ventilation (optional).
  • The supply of the Ultra Series Dehumidifier should be ducted to the rooms in the home that have the ductless mini-split heads and as close to the heads as possible. Be sure to utilize multiple rooms to allow air inside the structure to properly circulate. Proper air distribution is important to ensure even humidity control and heat distribution throughout the structure.
  • A 6” diameter duct is recommended for branches to bedrooms. An 8” diameter duct is recommended for branches to larger areas.Santa-Fe-Products-ULTRA155-Dehumidifier- \(5\)
    • DO NOT locate return in a bathroom or kitchen.
    • DO NOT locate the supply in rooms where doors may be closed.
    • Control should be located remotely from the dehumidifier and placed in a central location.

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