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NEWGENERATION SUPPLY BUSHFIRE CODE COMPLIANT
ROOF MOUNTED FANS
D
© FANTECH
2016
D-20
Available in
supply air only
HOW TO ORDER
DESCRIPTION
The heavy duty New Generation Series with bushfire code
compliance, has been developed for use in free intake or
ducted installations. These supply air axial roof units feature a
low profile and comply with BAL-LOW to BAL-40 of the
Australian Standard AS3959:2009 Construction buildings in
bush fire prone areas.
There are 6 sizes in the range extending from 315 to 710mm
diameter.
Typical Applications
Ideal for supplying fresh air to an air handling unit or to an air
conditioning system. Also suitable where make-up air or positive
pressure is required in the ventilated space.
Features
O
Robust, heavy duty galvanised steel construction.
O
High quality bronze mesh provides protection from burning
embers.
O
Adjustable pitch impellers provide performances to suit a
wide range of applications
O
2-speed motors can be supplied.
O
Can be used for ducted applications.
O
Wide choice of speeds available.
O
Can be speed controlled using variable speed drives.
O
Can be mounted at angles up to 30°.
O
Compliant to AS3959:2009 up to and including
BAL-40.
Construction
Cowls are of galvanised steel.
Bronze mesh with a maximum of 2mm aperture fitted.
Impeller blades can be GRP, aluminium, nylon
or anti-static to suit the application. GRP is standard.
Motors
Type - squirrel cage induction motor
Electricity supply - motors to suit a wide range of voltages
and frequencies can be supplied
Bearing - sealed-for life-ball
Speed-controllable using variable speed drives
See pages O-3/4 for details on these motors
Motors with 2-speed windings, or to meet Ex d, Ex e, Ex nA and
Ex tD Standards, can be supplied.
When fans are required for non-standard air applications this
must be nominated at the time of enquiry.
Internal Thermal Protection
Thermistors can be provided on all motors except when
Standards specifically exclude their use.
Testing
Air flow tests to BS848:Part 1, 1980
Noise tests to BS848:Part 2, 1985
Wiring Diagram
See pages
N-6/7
, diagrams
DD 1, 2, 3, 8.
Special note
Construction of buildings in bushfire prone areas
AS3959:2009, clause 6.6.5(b) "Roof penetrations" states:
Openings in vented roof lights, roof ventilators or vent pipes
shall be fitted with ember guards made from a mesh
or perforated sheet with a maximum aperture of 2mm, made of
corrosion-resistant steel, bronze or aluminium.
Selections
The quick select envelope performance curves shown on pages
D-18/19
give a guide to fan size, noise level and speed.
Accurate selections, including comprehensive noise data,
can be obtained from your local Fantech office or from the
Fans by Fantech Product Selection Program. Refer to Fantech
for performances at speeds other than shown.
ANCILLARY EQUIPMENT
Variable speed drives
Ref.
M-8/13