Technical Reference Manual-XPM3m Revision Date: August 2014
XPM3m OVEN CELL ARRANGEMENT – SIDE-TO-SIDE RECIRCULATION
The cells are mounted both above and below the conveyor, as shown, forming a series of “Heat Zones”.
Each Heat Zone circulates heat primarily within itself, thereby maximizing the thermal isolation between zones.
An insulated exhaust plenum mounted under the Bonnet collects gases from the individual upper heat cell exhausts
and conveys the combined flow to the Plant Exhaust System.
An oven contains several heating zones (5,7,8,10, or 12) and 2, 3, or 4 cooling zones. Cooling zones are identical
to heating zones except they have no heating elements and no exhausts (only gas intakes).
A properly operating oven is an inter-dependent system. When a heater or fan malfunctions, the balance and
performance of the oven as a system may be affected. Usually, an irregularity in operation could be the result of any
one (or more) malfunctions.
TROUBLESHOOTING
INSULATED CONTROLLED
EXHAUST PLENUM
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