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Cabinet
Cooler Applications
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| Cooling
Control Panels in a Glass Plant |
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The
Problem:
Few
companies contend with more heat related problems
than do glass manufacturers. Control panels in close
proximity to molten glass are particularly susceptible.
High ambient temperatures caused constant "nuisance
tripping" of the circuit breakers. The "quick
fix" solution — opening the panel doors
— allowed dirt to enter the panels and created
a potential safety hazard.
The
Solution:
EXAIR
Model 4330 Cabinet Coolers were installed
on each control panel. Cold air was directed through
the Cold Air Distribution Kit over the circuit breakers.
Thermostat control assured that the Cabinet Coolers
would activate only when internal temperatures approached
critical levels. The panel doors were closed
against dirt infiltration and shock hazard. Downtime
was eliminated.
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Comment:
The
inherent reliability of the vortex tube operated Cabinet
Cooler was the important advantage in this application.
Because they have no moving parts, EXAIR Cabinet
Coolers are virtually impervious to hostile environments.
Glass plants, steel mills, foundries, and casting
plants are just a few of the facilities benefiting
from this simple, yet effective technology. |
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| Cooling
and Purging a Pultrusion Control |
The
Problem:
In
the pultrusion process, resin coated fibers are assembled
by a forming guide, then drawn through a heated die.
Residual heat from the die caused electronic malfunctions
at the control station located immediately downstream.
The
Solution:
In
minutes, a Model 4730 NEMA 4 Cabinet Cooler System
was installed on the control module. It's
2,000 Btu/hr. (504 Kcal/hr.) cooling capacity more
than offset the additional heat load produced by
the die. Heat related malfunction and downtime
were eliminated.
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Comment:
The
ability of EXAIR's Cabinet Cooler to maintain a
slight positive pressure within the enclosure was
an important additional benefit in this application.
This purging feature assured that dust from the
surroundings would not infiltrate the enclosure
and compromise the sensitive electronic componentry.
The Cabinet Cooler also maintained the NEMA
4 integrity of the enclosure which was necessary
for the occasional washdown of the die and surrounding
surfaces.
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