
ADF 1000 NMV LINEA ZERO CLEARANCE BOX ASSEMBLY INSTRUCTIONS 1/1/21
Ventilation for the Inbuilt Heater Space
•The cavity must be vented to allow air flow through the Zero Clearance Box, to
keep all components and construction cool, and circulate warm air back into
the room. If the cavity iscapped, the vent must be below the cavity cap,and no
restrictions to air flow. The cap will prevent heat pooling on the ceiling.
•Gap around the flue casing and the combustible roof material isminimum
50mm. If there is noroof cavity space between the ceiling and roof, See 3.4.2.2
in AS2918:2018 for venting through roof and weather proofing. Examples
shown on page 7.
•Include top and bottom vents, Minimum area 400mm x 90mm open air space
vents.One at 120mm above the hearth, but below the ZCB, the second
minimum 200mm below the ceiling, but 2135mm above the floor. 6
Vent Roof opening as per
3.4.2.2 in AS2918:2018
Hearth, and below
the top of the bench