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8
Installation examples
* Drawings are illustrations only and actual port locations and airflow directions may vary, consult unit spec sheets.
It is the responsibility of the installer to ensure all ductwork is sized and installed as designed to ensure the system will perform as intended.
The amount of air (CFM) that an ERV will deliver is directly related to the total external static pressure (E.S.P.) of the system. Static pressure
is a measure of resistance imposed on the blower by length of duct work/number of fittings used in duct work, duct heater etc.
Fully Dedicated System
• Stale air drawn from areas of contamination
• Fresh air supplied to main areas
• ERV airflow should be balanced
• External heating or cooling coil may be needed if air is not able to mix comfortably.
SUPPLY IN
EXHAUST OUT
Partially Dedicated System (Direct Connection)
• Stale air drawn from areas of contamination
• Fresh air supplied to return of air handler
• Air Handler blower may need to operate when call for ventilation
• ERV airflow should be balanced
SUPPLY IN
EXHAUST OUT
fantech
BALANCING DAMPERS
ERV UNIT
HRV UNIT
BALANCING DAMPERS
ERV UNIT
HRV UNIT
EXHAUST AIR TO ERV UNIT
EXHAUST AIR TO HRV UNIT
SUPPLY IN
RETURN AIR DUCT
SUPPLY IN
AIR HANDLER UNIT
SUPPLY DUCT
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