The control operates a fresh air intake damper and, when necessary, activates the main HVAC blower to efficiently meet ASHRAE ventilation rates.

• Designed to help meet local ventilation codes and standards, including ASHRAE 62.2-2003 standard, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings.
• Microcontroller optimizes the air delivery schedule to make efficient use of normal HVAC run times.
• Easy-to-use input dials allow customized ventilation for each installation.
• Test mode that includes immediate feedback to installer to confirm that air delivery requirements of selected ventilation standard are being met.
• Economical supply-only ventilation; works with forced air system.
• Can be used with other equipment, such as an HRV/ ERV, for balanced ventilation.
• Airflow: 50 to 160 CFM