RGV3-305-L User Manual

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VENTILATION REQUIREMENTS

Non-combustible Non-combustibleCombustible Combustible

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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 agencies before installing to ensure local requirements are met.

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Hood blower speeds should be variable to reduce noise and loss of household air. The maximum speed should only be required when using the grill or SELF CLEAN.

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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.

c c

A A

b b

WALL INSTALLATION ISLAND INSTALLATION

VENTILATION UNIT WALL INSTALLATION RECOMMENDATIONS

Hood

A min. 30" (762mm) max. 42 (762mm)

B min. 36" (914mm) max. 42 (762mm)

C min. 19" (480mm)

Blower

30" Range min. 550 CFM

36" Range min. 550 CFM

48" Range min. 1100 CFM

VENTILATION UNIT ISLAND INSTALLATION RECOMMENDATIONS