Air Flow Balancing

Pitot Tube and Gauge

DUCT

AIR

FLOW

Pitot tube

Magnehelic gauge

High Pressure Side

MAGNEHELIC

Low Pressure Side

Pitot Tube Air Flow Balancing Kit

Part No. 99-167

1 - magnehelic gauge

1 - Pitot Tube and hose

1 - Carry Case

ATTENTION

Apply use of balancing dampers as required.

NOTE

Graphic is for illustrative purposes only. Duct connection ports may vary.

Placement of Pitot Tube HRV

Place pitot tube a minimum of 18" from blower or elbows

Outdoors

Pitot

tube

Magnehelic

gauge

MAGNEHELIC

Note: Duct connections may vary,

Additional dampers

Magnehelic

gauge

depending on model.

may be required

 

MAGNEHELIC

Pitot tube

Balancing Collar Instructions

Often the “Fresh Air to House” ducting will have the heaviest air flow which must be dampered down. A Balancing Damper is located in the “Fresh Air to House” collar. The Balancing Collar feature is not available on all models.

Hard/Rigid

ducting

Push and turn with slotted screwdriver. Damper

automatically locks when

pressure is released.

Insulated flexible

ducting

Installations where the HRV is ducted directly to the return of a furnace may require additional dampening on the fresh air to building duct.

This is due to the high return static pressures found in some furnace installations.

1/2”

When connecting ductwork to the collar, take note where screws are located. Screws should be located no further

than 1/2” from outside edge of collar, so as not to impede operation of the damper.

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Lifebreath RNC95, RNC5-TPD, RNC200, RNC10 Air Flow Balancing Pitot Tube and Gauge, Duct, Pitot Tube Air Flow Balancing Kit

RNC155, RNC20, RNC95, RNC120D, RNC10 specifications

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