Blodgett DFG-50 Installation, Ventilation, Direct Flue Arrangement, Installing the draft hood

Installation

Ventilation

DIRECT FLUE ARRANGEMENT

When the installation of a mechanically driven ex- haust hood is impractical the oven may be vented by a direct flue arrangement.

WARNING!!

It is essential that the direct flue be installed as follows. Incorrect installation will result in unsatisfactory baking and oven damage.

The flue must be class B or better with a diameter of 6” (15 cm). The height of the flue should rise 6-8 ft (2-2.5 m) above the roof of the building or any proximate structure. Never direct vent the oven into a hood. The flue should be capped with a UL Listed type vent cap to isolate the unit from exter- nal environmental conditions.

The direct vent cannot replace air consumed and vented by the oven. Provisions must be made to supply the room with sufficient make-up air. Total make-up air requirements for each oven section should be approximately 19 CFM per section. To increase the supply air entering the room, a ven- tilation expert should be consulted.

Installing the draft hood

Ovens ordered for direct venting are supplied with a draft hood. Install the draft hood as follows:

1.Place the draft hood over the flue connector. See Figure 8.

2.Secure both ends with the sheet metal screws provided.

Flue

Draft Hood

Front of

Oven

Figure 8

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