Application Illustrations |
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Partially Dedicated System for HRV
●Stale air drawn from key areas of home (bathroom, kitchen, laundry)
●Fresh air supplied to return
air duct of air handler
WARNING
HRV must be balanced.
DIRECT CONNECTION of the SUPPLY AIR STREAM to the AIR HANDLER COLD AIR RETURN
(Stale air drawn from key areas of home)
Outdoors
Exhaust Air to Outside
| Return Air |
STALE AIR from various parts of home. | 3’ min. |
i.e. bathrooms (if required), kitchens (if required). | |
recommended | |
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Balancing Damper |
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(optional) |
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| Fresh Air to Building |
Fresh Air From Outside 
Cool Air
Return
*Unit is normally balanced on HIGH speed with air handler blower ON.
High efficiency filter 
or electronic air cleaner
NOTES:
Handler
1.Air handler blower may be required to operate when HRV is on to provide good air distribution.
2.Weather hood arrangement is for drawing purposes only. 6' (2m) minimum separation required. 18" (460mm) above grade minimum or above anticipated snow level .
3.Due to the differences in pressure between the HRV and the equipment it is being connected to, the HRV air flow must be confirmed on site, using the balancing procedure found in the installation manual.
WARNING
Defrost air port needs to be drawn from clean area without combustion appliances. To avoid backdrafting of combustion products, never draw defrost air from a room with a naturally aspirated appliance, i.e. furnace, hot water heater, gas dryer, stove, fire place etc.
CAUTION
Weather hood arrangement - requires a minimum of 6' (2m) separation and a minimum of 18" (460mm) clearance above grade or anticipated snow level.
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