DCS RDU-305 Installation Guide download pdf (Page 14)

VENTILATION REQUIREMENTS

A suitable exhaust hood must be installed above the range. The following chart indicates the minimum blower

capacity recommended for hood ventilation.

* 36” ranges featuring a grill (GL models) require a 1200 CFM ventilation unit

CAUTION:

Ventilation hoods and blowers are designed for use with single wall ducting. However, some local building codes

or inspectors may require double wall ducting and/or a damper. Consult local building codes and/or local agencies,

before starting, to ensure that hood and duct installation will meet local requirements.

Hood blower speeds should be variable to reduce noise and loss of heated or air conditioned household air

when maximum ventilation is not required. Normally, the maximum blower speed is only required when using

the grill or the self-cleaning cycle.

For best smoke elimination, the lower edge of the hood should be installed a minimum of 30” to a maximum of

36” above the range cooking surface, (see section ‘Cabinet Preparation’). If the hood contains any combustible

materials (e.g. a wood covering) it must be a minimum of 36” above the cooking surface.

Due to a high volume of ventilation air, a source of make-up air (outside replacement air) is recommended. This

is particularly important for tightly sealed and insulated homes. A reputable heating and ventilating contractor

should be consulted.

Ventilation Unit

Standard Counter

Installation

Recommendatons

Island Installation

Recommendatons

HOOD 23” Deep x Unit Width 30” Deep x 36” at Bottom

BLOWER

48” Range

1200 CFM

36” Range*

600-1200 CFM

30” Range

600 CFM

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DCS RDU-305 Installation Guide Page 14