Fantech SER 1504N Installation, Operation And Maintenance Manual

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Contents

Fantech SER 1504N Installation, Operation And Maintenance Manual Manual pdf 23 page image

23BedroomsFresh AirExhaust AirFurnace thermostatExhaustBathroom460 mmERVCentral Control - optionalReturn AirERVConnection1800 mmINSTALLATION EXAMPLES (CONT'D)Example diagram only-duct configuration may change depending on modelPartially Dedicated SystemStale air drawn from key areas ofhome (bathroom, kitchen, laundry)Fresh air supplied to main living areasvia the forced air system.ERV must be balancedDIRECT CONNECTION of the SUPPLY AIR STREAM to the FURNACE COLD AIR RETURN(Stale air drawn from key areas of home)Exhaust Air from various parts of home.i.e. bathrooms (if required),kitchens (if required)NOTES:1.Furnace blower may be required to operate when ERV is on to provide good air distribution. (SEE CAUTION ABOVE)2.Weatherhood arrangement is for drawing purposes only. 6’ (2m) minimum separation recommended.18” (460mm) above grade minimum.3.Due to the differences in pressure between the ERV and the equipment it is being connected to, the ERV’s airflow must be confirmed onsite, using the balancing procedure found in the installation manual.* Unit is normally balanced on HIGH speed with furnace blower ON.OutdoorsReturn Air1 m(3’-3”) min.recommendedCool AirReturn* Ducts connection mayvary depending on modelCAUTIONIn very humid climates, it may be "preferable" to have adedicated ducting system to the house for the ERV insteadof connecting the ERV to the central air-conditioner. Sincethe central air-conditioner fan must be running continu-ously to allow the fresh air from the ERV to be properlydistributed throughout the house, it may pick up humidityfrom the cooling coil when it is not operating and re-dis-tribute it to the house, causing excess humidity. This sit-uation may be particularly aggravated if the air-condition-er is over-sized.