6
Your Dynaflow hood must be installed in accordance with the building permit issued for the commercial kitchen. The
hood may be mounted against a wall or in an island configuration.
The Dynaflow hood must be installed in accordance with the current edition of the NFPA-96, all local building codes, all
state or provincial building codes, all national building codes, and the authority having jurisdiction.
A commercial kitchen exhaust fan must be installed on the roof or wall mounted and connected to the hood by liquid tight
all welded duct in accordance to the current edition of the NFPA-96. A dedicated fresh air unit may also be installed
depending on the local code requirements for your area. Place the hood on the ground in the position it will hang below
the hanger rods. The hood must rest on wood 2”x 4” or some other soft material to prevent damages to the bottom edges.
When lifting the hood, support from the underside at the four corners. Otherwise the hood ends or sides may buckle. Lift
the hood straight up. Do not remove the lifting device until the hood is secure. After the hood is securely hung the exhaust
and supply ductwork can be connected.
Welding the Exhaust Duct to the Hood Exhaust Duct Collar
A “FD” Dynaflow hood is supplied with an Exhaust duct collar fire damper in the hood exhaust duct collar. The fire
damper must be closed before welding the hood duct collar to the exhaust duct. We recommend the exhaust duct be
continuously welded to the exhaust duct collar of the hood per the current edition of the NFPA-96. The fire damper is
closed by removing the link/cable assembly from the hook on the inside of the hood exhaust duct collar. Check to ensure
the damper moves freely open and closed within the exhaust duct collar after installation of the exhaust duct. Once the
welding is complete the link/cable assembly must be connected to the hook to open the fire damper. See the next section
for details on the cable/link assembly.
Supply ductwork, electrical wiring and plumbing must be installed in accordance with all applicable municipal, state,
provincial and national codes.
Typical Island Dynaflow model FN-DB-MB in Plan and Section View showing hanger rod locations.
Figure 8
Summary of Contents for Dynaflow
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