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personal use.
4. THEORY OF OPERATION
4.1. The Stackable LCC/LCD Series Oven
The Stackable LCC/LCD Series oven
(Figure 4) offers HEPA (High Efficiency
Particulate Air) filtration for processes
where minimized contamination is
essential. Forced convected airflow
provides rapid uniform distribution of
heat. The removable HEPA filter is
designed to provide a constant flow of
99.97% clean air to the product being
heated. The HEPA filter with silicone seal
provides 99.99% filtration.
The oven operator interface is located on
the hinged control panel at the front of
the oven (Figure 4). Power components
are located on the equipment panel,
behind the hinged control panel, for easy
access (Figure 13). Electrical components are
either touch-proof or are shielded with Lexan
material to prevent accidental
exposure during maintenance and troubleshooting.
The cooling/exhaust fan is controlled on/off by an event relay in the Protocol 3
controller. The cooling fan is used for rapid cool-down at the end of the process
cycle, or to maintain low temperature setpoints during process cycle. It may also
be turned on at the start of a process cycle to assure that starting temperature is
less than 70°C.
The nitrogen models have stainless steel water coil which permits rapid cooldown
and lower temperature operation. The nitrogen oven comes with an adjustable
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