Lifebreath 120ERV Partially Dedicated System for HRV, Application Illustrations HRV-Option

Application Illustrations HRV–Option 1

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).
Field-supplied	recommended
Balancing Damper
(optional)
	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:

Air

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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