- Hood does not pull or draw enough air
- Blower motor not working as expected or as well as expected
- Hood does not draw air or has poor air flow
Steps to Verify Issue:
Many factors could contribute to poor ventilation performance. If any of the following do not comply with Wolf guidelines, a qualified HVAC professional may need to review the ventilation installation.
- Verify the equivalent duct run is not greater than 40' for downdrafts or 50' for all other ventilation hoods.
- A second damper installed in the ventilation ductwork could contribute to a vacuum within the ductwork, causing performance issues.
- A make-up air damper may be needed, as a lack of make-up air contributes to a vacuum within the ductwork, causing performance issues. Refer to Make-Up Air Damper for more information.
- See also, Ventilation Hood Blower Does Not Operate.
- Refer to the Blower Motor Compatibility Chart for more information.
For further ventilation information, refer to the Wolf Ventilation Guide
If a functional problem with the hood or blower exists, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.
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