JAYLINE RU Installation instructions

JUNE 2018

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REDUCING CLEARANCES TO COMBUSTIBLE WALLS
In the event it is necessary to reduce the clearances to combustible surfaces, it must always be
done in accordance with the safety standard AS/NZS2918:2001 Section 3, Tables 3.1 and 3.2
The shielding shall be constructed from a heat resistant material. The shield must be xed to the
surface that requires protection and NOT the heater.
The standard allows three options to reduce the stated clearances:
Single Layer of continuous material with minimum Air Gap of 12mm to achieve a clearance factor
of 0.40
Single layer of continuous material with minimum Air Gap of 25mm to achieve a clearance factor
of 0.30
Two spaced Layers of continuous material with minimum Air Gap of 12mm + 12mm to achieve a
clearance factor of 0.20
The shielding must be open at the top and bottom (vented) to allow a continuous air ow. It is
this ow that keeps the surface requiring protection cool. Fixings should not impede this air ow.
The shielding needs to go far enough along and up the wall so that the original side and rear
required clearances are not compromised. As the ue is now closer to the wall the shielding
should also protect the wall from the ue pipe.
Example:
• Side wall clearance for the Jayline FR300 is 290mm
• A 12mm gapped shield on the wall with a factor of 0.40
• Calculate: 290mm x 0.40 = 116mm (This is the new sidewall minimum clearance)
• The shielding needs to be large enough that none of the original clearances of 290mm are
compromised.

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