Thermador HS-HST-HSB installation instructions Before Installing Hood

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BEFORE INSTALLING HOOD

1.For the most efficient air flow exhaust, use a straight run or as few elbows as possible.

CAUTION: Vent unit to outside of building, only.

2.Almost two people are necessary for installation.

3.The hood is fitted with Screws and Drywall Anchors suitable for most surfaces, consult a Qualified Installer, check if they perfectly fit with your cabinet/wall.

4.Do not use flex ducting.

5.COLD WEATHER installations should have an additional backdraft damper installed to minimize backward cold air flow and a nonmetallic thermal break to minimize conduction of outside tem- peratures as part of the ductwork. The damper should be on the cold air side of the thermal break.

The break should be as close as possible to where the ducting enters the heated portion of the house.

6.Remote blowers require a five wire installation.

7.Make up air: Local building codes may require the use of Make-Up Air Systems when using Ducted Ventilation Systems greater than specified CFM of air movement.

The specified CFM varies from locale to locale. Consult your HVAC professional for specific requirements in your area.

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Contents Read and Save These Instructions FIRE, USE only Metal Duct Work Important Safety InstructionsEvacuateandcallthefire Department LES Instructions DE Sécurité Importantes Seulement si Parts Included with your Hood Before Installing Hood Cabinet or Soffit Preparation Appliance InstallationDucting Typical InstallationTab 2 7 1/16 67/8 Wall Mount Installation HST series Hood only see FigurePage Integral Ventilator Installation Cabinet Installation FigureModels VTN420B or VTN620B see figure Remove the j-box cover as shown in Figure Wiring the Hood with an IntegralVentilatorWiring the Hood with a Remote Ventilator Fixing Screws number depends on hood size