Installation
9
Ventilation
DIRECT FLUE ARRANGEMENT
When the installation of a mechanically driven exĆ
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 6Ć8
ft (2Ć2.5 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 exterĆ
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 makeĆup air. Total
makeĆup air requirements for each oven section
should be approximately 30 CFM (.85m
3
) per secĆ
tion. To increase the supply air entering the room,
a ventilation 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 9.
2. Secure both ends with the sheet metal screws
provided.
Front of
Oven
Draft Hood
Flue
Figure 9
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