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Lifebreath 155 MAX 2019 - User Manual

Lifebreath 155 MAX 2019
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Pre-Installation Notes
Note
•
Due to ongoing research and product development, specifications, ratings, and dimensions are
subject to change without notice. Refer to www.LIFEBREATH.com for the latest product
information.
Attention
•
Do not apply electrical power to the unit until after the completion of the installation (including
installation of low voltage control wiring).
• Ensure the installation and wiring is in accordance with CEC, NEC, and local electrical codes.
• Plug the unit into a standard designated (120 VAC) electrical outlet with ground.
• The use of an extension cord with this unit is not recommended. If the installation requires
further wiring, have a licensed electrician make all of the electrical connections. The
recommended circuit is a separate 15 A/120 V circuit.
Caution
•
Before installation, careful consideration must be given to how this system will operate if
connected to any other piece of mechanical equipment, i.e. a forced air furnace or air handler,
operating at a higher static. After installation, the compatibility of the two pieces of equipment
must be confirmed, by measuring the airflows of the HRV, by using the balancing procedure
found in this manual. Never install a ventilator in a situation where its normal operation, lack of
operation or partial failure may result in the back drafting or improper functioning of vented
combustion equipment
• Unit must be installed level to ensure proper condensate drainage. Due to the broad range of
installation and operational conditions, consider the possibility of condensation forming on
either the unit or connecting ducting. Objects below the installation may be exposed to
condensate.
• Do not install control wiring alongside electrical wire.
Warning

Table of Contents

Questions and Answers

  • M
    mwoodsAug 12, 2025
    How to improve poor airflow in my Lifebreath 155 MAX 2019?
    • M
      Marilyn WellsAug 12, 2025
      Poor airflow in your Lifebreath Fan can stem from several issues. Start by cleaning any plugged exterior hoods or vents. Next, remove and clean the filter. Also, ensure that the core is free from obstructions by removing and cleaning it. Check that all house grilles are open and unobstructed. If dampers are installed, make sure they are open and properly adjusted. It's also important to have an electrician verify the power supply voltage. Confirm the ductwork isn't restricting the HRV, and increase the HRV speed if the speed control setting is too low. If issues persist, have a contractor balance the HRV airflow.
  • K
    katrinawebsterAug 16, 2025
    What to do if humidity levels are too high with Lifebreath 155 MAX 2019?
    • E
      epenaAug 16, 2025
      High humidity levels and condensation on windows when using a Lifebreath Fan can be addressed by several adjustments. First, lower the dehumidistat setting. If you have a hot tub or indoor pool, cover them when not in use. Try to avoid hanging clothes to dry indoors, storing wood inside, or venting the clothes dryer inside. Ensure the crawl space is vented and has a vapor barrier. Increase the speed of the HRV unit. Also, ensure ducts from the washroom are adequately sized to remove moist air effectively; using a bathroom fan can help remove additional moisture.
  • T
    Travis AguilarAug 19, 2025
    What to do if the dehumidistat is not operating on my Lifebreath 155 MAX 2019?
    • C
      Cynthia KellyAug 20, 2025
      If the dehumidistat on your Lifebreath Fan isn't working, consider these potential causes. First, if the outdoor temperature is above 15°C (59°F), the dehumidistat is likely functioning normally. Otherwise, check that the correct terminals have been used for the low voltage connection, and inspect the external wiring for any shorts caused by staples or nails. Also, ensure the dehumidistat is not set to the OFF position; adjust it to the desired setting.
  • L
    Lori HoltAug 25, 2025
    Why does the supply air from my Lifebreath Fan feel cold?
    • E
      elliottdanielAug 25, 2025
      If the supply air from your Lifebreath Fan feels cold, consider these points: * Relocate supply grilles to high on the walls or under the baseboards, or install ceiling-mounted diffusers to avoid direct airflow on occupants. * If the outdoor temperature is extremely cold, reduce the HRV supply speed; a small duct heater (1 kW) can also temper the supply air. * Ensure furniture placement or closed doors aren't restricting air movement; if the supply air is ducted into the furnace return, the furnace fan may need to run continuously.
  • W
    wardkristinaAug 27, 2025
    How to improve poor airflows in Lifebreath Heating System?
    • J
      James DeanAug 27, 2025
      Poor airflow in your Lifebreath Heating System can stem from several causes. Start by cleaning any plugged exterior hoods or vents. Check and clean the filters and the core. Ensure that house grilles and dampers, if installed, are open and properly adjusted. Have an electrician inspect the power supply voltage. Review duct installation to ensure it's not restricting the HRV. Increase the HRV speed if the speed control setting is too low. If issues persist, have a contractor balance the HRV.
  • D
    Donna TranAug 31, 2025
    Why are humidity levels too high with Lifebreath Heating System?
    • D
      David DanielsAug 31, 2025
      High humidity levels and condensation in your home when using a Lifebreath Heating System can be addressed by several adjustments. Begin by setting the dehumidistat to a lower level. If you have a hot tub or indoor pool, ensure they are covered when not in use. Avoid drying clothes indoors, storing wood inside, and ensure your clothes dryer is properly vented. Ensure that washroom ducts are adequately sized to remove moist air, and consider using a bathroom fan. Increase the speed of the HRV. Note that condensation may appear during seasonal changes on humid days.
  • C
    cjohnsonSep 3, 2025
    Why does supply air feel cold from Lifebreath Heating System?
    • A
      Alexandra WestSep 3, 2025
      If the supply air from your Lifebreath Heating System feels cold, consider these factors: The location of supply grilles might be causing discomfort; relocate them higher on the walls or under baseboards, or install ceiling-mounted diffusers. If the outdoor temperature is extremely cold, reduce the HRV supply speed or consider using a small duct heater. Ensure furniture or closed doors aren't restricting air movement. If supply air is ducted into the furnace return, the furnace fan may need to run continuously.
  • J
    John HernandezSep 7, 2025
    What to do if dehumidistat is not operating on Lifebreath Heating System?
    • K
      Kenneth JonesSep 7, 2025
      If the dehumidistat on your Lifebreath Heating System isn't working, first, check if the outdoor temperature is above 15°C (59°F), as the dehumidistat may be functioning normally (see Auto Dehumidistat Disable in this manual). Verify the low voltage connections and check for shorts in the external wiring caused by staples or nails. Also, ensure the dehumidistat is not set to the OFF position and adjust it to the desired setting.

Lifebreath 155 MAX 2019 Specifications

General IconGeneral
BrandLifebreath
Model155 MAX 2019
CategoryFan
LanguageEnglish

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