Turbo Chef Technologies Tornado 2 owner manual Ca t al yt i c Converter

m a i n ten a n ce and troubleshooting 29

is s u e	p os si ble cause(s)	resolution
F6 EC Temp	o Blockage of cool air into	o Check for paper towels or anything
	the oven.	that may be obstructing cool air into
		the oven.
	o Rear cooling fan exhaust	o Check rear fan to see if it is free of
	guard is clogged.	debris. Clean as required.
Wave Guide	o User abuse.	o Call Customer Service.*
Cover is broken
or damaged.

*For Customer Service, call 800.90TURBO/+1 214-379-6000 or your Authorized Distributor.

Ca t al yt i c Converter

The catalytic converter is installed in the return air duct behind heater assembly. A qualified technician must perform the removal or installation of the catalytic converter.

important note: The catalytic converter can be cleaned with TurboChef Oven Cleaner

and thoroughly rinsed with distilled water. Let the catalytic converter air dry before re-installing. If TurboChef Oven Cleaner is not available, do not substitute – use distilled water only.

Due to the nature of most foods and the physics governing the operation of the oven, grease buildup downstream of the cook cavity is inevitable. A strict cleaning regiment can solve a majority of the problems; however, recirculation of undiluted grease- saturated air is the main cause of downstream grease accumulation and any associated residual flavors.

Airborne grease tends to collect and bake onto the oven’s surface downstream of the cook cavity. Due to the high operating temperatures of the oven, this grease will start to rapidly decompose into deriva- tive organic compounds.

These decompositional derivatives generally have positive and negative effects on cooking. Shorter

chain derivatives add favorable flavor characteristics to the food, while the higher order carbon chains lend unpleasant flavor characteristics, such as bitter, tarry tastes. The installation of a catalytic converter greatly affects the grease handling and any residual flavors which might build up over time. A properly operating catalytic converter causes the conversion of airborne grease into water, carbon dioxide, and small amounts of nitrogen and oxygen. The catalytic converter acts as a combustion chamber for airborne grease. The catalysts present on the filter lower the ignition temperature of the airborne grease from approximately 700ºF to 450–550ºF (371ºC to 232–288ºC), allowing combustion to occur. The operating temperature of the oven directly deter- mines the percentage of airborne grease conversion. A single pass of the air stream yields a 20–30% improvement in air quality.

Problems with the catalytic converter are indicated by a decrease in the effectiveness of browning (caused by a reduction in airflow) or by flavor transfer from one food group to another.

If you experience a problem with the catalytic converter, contact a TurboChef qualified service agency, Customer Service at 800.90TURBO/

+1 214-379-6000, or your Authorized Distributor.