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OPERATION
Exhaust Vent
The oven is provided with an exhaust vent that may be opened or closed using the dampener
slide located on the vent body. The dampener is intended to be opened after the heat treatment
or bake out phases of an application are complete. Opening the dampener vent during a baking
application may speed the rate of material drying depending on the nature of the sample material,
outgassed byproducts, and ambient conditions. However, running the oven with the vent open
introduces a flow of cool air into the chamber while allowing heated air to exit. This will impact the
temperature uniformity and stability of the chamber and lower the operational temperature
ceiling.
High Limit Control System
The temperature controller contains a heating cutoff system with independent circuitry connected
to a redundant solid-state temperature sensor probe inside the oven chamber. This high limit
system depowers the oven heating elements whenever the chamber air temperature exceeds the
current limit setting. This safeguards the oven in the event of a failure of the main temperature
control circuitry or main temperature sensor probe.
The high limit is set by the end-user to a minimum of 10˚C above the highest temperature of the
application process the oven is currently being used for. Failure to set the high limit control
system voids the oven manufacturing defect warranty in the event of an overtemperature event.
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