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9
(*) From top of countertop
(**) Between the back edge of the cut-out and the back of the countertop.
(***) From the side edge of the cut-out to any vertical combustible surface. If this distance is less than
200 mm, the surface shall be protected (in accordance with AS/NZS5601.1) to a height of not less
than 150 mm above the hob for the full dimension (width or depth) of the cooking surface area.
IMPORTANT NOTE:
THIS APPLIANCE SHALL NOT BE USED AS A SPACE HEATER, ESPECIALLY IF
INSTALLED IN MARINE CRAFT OR CARAVANS.
The installation shall comply with the dimensions in gs. 2a, 2b bearing in mind that:
■ A 40mm ventilation gap must be provided between the bottom of the appliance and
any cabinetry, draw unit, thermal protection barrier or appliance.
■ If the cooktop is installed directly above an oven (which does not have a cooling fan
motor) or if its base is accessible through a cupboard or drawer space after installation,
a thermal protection barrier must be installed below the base of the cooktop as
indicated in g. 2c.
■ If the oven installed below the cooktop has a cooling fan motor, the thermal protection
barrier is not required.
■ If the cooktop is installed above an oven, the two appliances shall be connected to the
gas and/or electrical supply with independent connections.
■ Overhead clearances - In no case shall the clearance between the highest part of
the hob and a range hood be less than 600 mm, or for an overhead exhaust fan 750
mm. Any other downward facing combustible surface less than 600 mm above the
highest part of the hob shall be protected for the full width and depth of the cooking
surface area in accordance with local regulations in force. However, in no case shall
this clearance to any surface be less than 450 mm.
Standards requirement
Temperature of nearby surfaces. Australian and New Zealand Gas Installation Standards
(AS/NZS5601.1) require a cooktop to be installed so that the surface temperature of any
nearby combustible surface will not exceed 65°C above ambient.
This is typically achieved by:
■ having the cooktop spaced away from the wall (see gures 2a, 2b);
AND
■ protecting the wall to a height of at least 150 mm along its length (minimum height of
non-combustible material when used on adjacent walls) with non-combustible surface
materials such as:
– 5 mm-thick ceramic tiles (these alone are adequate);
– tempered glass or sheetmetal, minimum thickness 0.4 mm (acceptable when used
in front of a re resistant material).
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