Install to Fit Your Application (continued)
Exhaust and Supply in the Return
When using this application make sure that there is a minimum of 6 feet between the fresh air and exhaust
air connections of the ERV/HRV unit in the return air duct. Supply air from the ERV/HRV unit must be at least
3 feet from the forced air system. These distances can be different from one region to another; you should
check with your local code or the forced air system’s manufacturer.
NOTE: For minimum distance between return and forced air system, check with your local building codes
and forced air system manufacturer.
NOTE: Fresh air must always be down-stream from the exhaust air in the return air duct of the forced air
system.
NOTE: Furnace blower is required to operate when ventilation is required. Set the furnace blower to run
continuously, or interlock electrically (low voltage).
TO LIVING SPACE
HRV / ERV
FORCED AIR
SYSTEM
3 FEET
6 FEET
6 FEET
18 INCHES
M28985
C
TrueFRESH™ ERV/HRV Ventilation Systems 69-2480EF—17
16
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