Getting the Most Out of Your Electrickit Conversion

After an elecrickit conversion on your aga, you may find dishes of food/ baking can
burn on the bottom of the top oven, or burn at the top of the bottom oven. This
article will help you understand why this happens, what you can do about it, and how
it can be turned to your advantage.

Why it happens

This effect happens because of how heat gets into the ovens. The heat source for the
two main ovens (in a two or four oven aga) is an electric element located between
them. When the top oven temperature is set on the display unit, the element will
‘fire’ (have electricity put into it to heat up), and the temperature set will be achieved
after a certain time. Once the desired temperature is reached, the element between
the ovens will only fire in short bursts to keep the temperature stable.
While the element is firing, it will produce more heat at the bottom of the top oven,
and at the top of the bottom oven. This will have an impact on any dishes resting
directly on the bottom of the top oven, or placed near the top of the bottom oven.
When the element is not firing, the both ovens will quickly stabilize their respective
temperatures throughout the oven space.

Top oven

The element firing may produce a hot spot area within the oven floor, as this is the
nearest part of the oven to the element, so will heat the quickest. There will be a
short term temperature differential in the oven, until the temperature sensor at the
top of the oven reaches the required temperature. When it does so, it switches the
element off, and the oven will quickly stabilize in temperature throughout its height
and depth.
While the element is firing, any dish of food left resting on the bottom of the top oven
will get heated more than the surrounding air, as it is closest to the element. This can
result in a ‘burned bottom’, where the bottom of the food is heated more than the top.
Turning up the oven to increase the temperature of the oven will result in the element
firing more, and the problem getting worse.
A good way of avoiding this is to raise whatever you wish to cook slightly off the bottom
of the aga oven by creating a small air gap. This can be accomplished by placing
the metal ‘baking tray’ plate, or a baking grill that come with the aga, on the bottom
of the top oven, then place the dish you want to cook on top of that.
Avoid opening the oven door lots of times, as each time this is done, some heat will be
lost. When the door is shut again, the thermostat will fire the element to get the oven
temperature back up to the temperature set, and this may produce a temporary hot
spot on the oven floor, until the oven temperature has stabilised again.

Bottom oven

You cannot directly set the bottom oven temperature, and as a rule of thumb it will be
at approximately 70% of the temperature set on the top oven display.
When the element between the ovens fires (to keep the top oven temperature at the
desired temperature setting), the top of the bottom oven will get hotter more quickly
than the bottom of the oven, as it is nearer to the element. The impact of this is that
some items of food may burn on top and not be as cooked underneath. Once the element
has stopped firing, the oven will quickly reach a uniform temperature throughout.
As previously mentioned, opening and closing the top oven door will result in heat loss
in the top oven, and the thermostatic control system will respond by firing the element.
This in turn will have an impact on the bottom oven, particularly near the top.
A way of reducing this effect and stabilizing the bottom oven temperature is to place
the baking tray (metal sheet) near the top of the bottom oven, to create an air gap between
the top of the oven and the plate. This will reduce the amount of direct heat radiated
downwards onto food below the plate when the element is firing.

Using this to your advantage

The temporary rise in temperature near the top of the bottom oven when the element
fires (in response to the requirements of the top oven) can be used to produce a
grilling effect. Roast potatoes can be crisped up using this method, as can the tops of
lasagnas or anything that you want to ‘brown’.
You can initiate this effect in the bottom oven by raising the oven temperature setting
on the display by 10 -15 degrees centigrade. This is usually enough of a rise to
produce a grilling effect for approximately 15 minutes.
If you are going to do this, just be aware of what is in the top oven, as it will be heated
from the bottom until the temperature set is reached.


Here is a summary of how to minimize burning food on the bottom of the top oven,
or at the top of the bottom oven:
1. Keep to a minimum opening of the oven doors during cooking, as this will result
in heat loss, and the element firing to compensate.
2. Place the metal baking tray or grill on the bottom of the top oven to create an
air gap between dishes and the bottom of the oven.
3. Place the metal baking tray at the top of the bottom oven to create an air gap,
and any food to be cooked underneath this.

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