Focus Gyrofocus - Fresh Air Intake System Requirements

Page 7 of 22
f) Fresh air intake:
For optimum functioning, focus recommends a fresh air intake in the room
(ideally under of the fire). We recommend deflect-O A0684 semi rigid aluminium
duct. Minimum fresh air intake size:
31 in
2
Ø 6"
fresh air intake
or
Important: this fresh air intake is compulsory when operating venting appliances
such as kitchen hoods, permanent air extractors or any appliances creating an
air depression in the habitation.