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Catalytic Liners
NOTE: If your oven does not have catalytic liners and you wish to purchase them, they are
available from your retailer or Parmco.
Operation
The catalytic liners are coated with a specially formulated enamel coating, over a base of regular
enamel. This enamel coating has a rough surface which is also porous. During normal cooking, fats
and other food spatter is partially absorbed into the surface and then oxidised away. This
oxidisation of the fat works best if the oven is set at high temperatures. If you do a lot of lower
temperature baking, say around the normal 180ºC, then the cleaning process may not be
complete. Every now and then you should turn the oven on to maximum temperature for around
one hour to completely remove the soil.
Cleaning
Cleaning by hand. Make sure the oven is cool before cleaning.
The catalytic liners should be cleaned using a solution of hot water and washing-up liquid applied
with a soft nylon brush. Do not wash these liners in the dishwasher.
Do not use abrasive cleaning agents, hard brushes, scouring pads or cloths, steel wool, knives or
other abrasive materials. Do not use oven spray on catalytic enamel as the chemicals used in oven
sprays will damage catalytic liners and render them unusable.
If using oven sprays on the interior oven surfaces, the catalytic liners must first be removed from
the oven.
Should the panels become heavily soiled, they will need to be taken out of the oven and cleaned
by hand. They should be soaked in warm, soapy water for at least 2 hours and then wiped clean
with a soft cloth.
Cleaning with high temperatures
Before cleaning the catalytic liners using high oven temperatures make sure that all interior oven surfaces
have been cleaned as described above. Otherwise, the high temperatures can bake deposits onto the
interior oven surfaces and make them impossible to remove.
Note that deposits of spices, syrups and similar substances are not removed by this process. These should
be removed by hand with a mild solution of hot water and washing-up liquid applied with a soft brush.
•
Remove all accessories from the oven.
•
Set the oven to conventional function.
•
Set the heat to 250 °C.
•
Run the oven for approximately 1 hour. The length of time will depend on the degree of soiling.
It is a good idea to set the finish time for the process using the end time setting, in case you forget to switch
the oven off at the end.
Any remaining soil will gradually disappear with each subsequent use of the oven at high temperatures. The
stains on the catalytic liners caused by grease, fats and oils from cooking are completely normal and will
not be able to be completely removed. Catalytic liners are a consumable item and can be replaced with
new catalytic liners.
NOTE: Solid cleaning powders, creamy cleansers, caustic oven cleaners, steel wool or other
scourers will ruin the catalytic surface and must NEVER BE USED.
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