44
6.
inBUilt into iSlanD Wall
duCting:
ConneCted to
designated
room(s)
triple
skin
flue
roof CaVity
1m
aboVe
roof
line
step 14: duCting Continued...
install the ducting to each transition piece and extend into the
roof space and to the desired room(s). Cut a hole in the ceiling
and install a metal register into the ceiling of the room the
vents will be allocated in. if more ducts are required additional
components and duct design is to be provided by the retailer or
installer.
**please note: a maximum duct run of 6m is recommended
without the assistance of an in-line fan. a maximum of four
ducts can be run off the axis h1200, h1200ds, h12003V,
h1400 and epi950 models, and a maximum of six ducts for the
axis h1600, h1600ds, h1600XXl and h1600XXlds models.
please note that an in-line fan on a double sided
model is prohibited.
step 15: triple skin flue
triple skin flue is to then be continued above the cavity lid. the
lower end of the triple skin casing shall be close fitting against
the lid and the outer casing must be ventilated. air vents on
the first length of triple skin flue must be cut by the installer.
step 16: flue installation
the triple skin flue will then be continued into the roof cavity
and extended above the roof line as per australian & new
Zealand Standard aS/nZ 2918:2001.
there must be a 25mm clearance around the outer triple skin
flue. the flue must extend a minimum 1m above the roof line
and have a 3m diameter clearance from the top of the cowl to
any objects in a horizontal direction.
**iMPortant**
Please not the flue should not include more than two 45
°
bends. the angle of these bends cannot exceed more than 45
°
and can have no more than one length of 900mm flue between
them.
