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7.) FURNACE START UP PROCEDURE
Follow your company’s lock-out/tag-out procedures before beginning any
work on the heaters or heated chamber of your furnace.
The following procedures should be performed by a trained electrical
professional due to potential hazard.
Check to ensure that the thermocouple is securely mounted and
undamaged. Check the thermocouple wiring connections.
CAUTION!
Failure to check thermocouple wiring connection before initial
start up could result in damage to the furnace.
DRYING OUT PROCEDURE
1.
It is imperative that the furnace is allowed to vent the moisture out of the
furnace. For split tube furnaces make sure that either the tube is slightly
open or that the vestibules are open for venting.
2.
Heat furnace up to 300°F. This will dry the moisture out of the refractory
lining.
3.
Maintain the furnace at 300°F for four to six hours or till all smoke/steam
has subsided.
4.
Ramp the furnace up to 600°F and hold this temperature until all
steam/smoke has dissipated.
5.
If the furnace is still steaming/smoking after 600F, repeat this step 4 at
900°F.
6.
After all steam/smoke is gone, run furnace up to operating temperature.
7.
If steam/smoke appears at any time during run up, do not increase
temperature until steaming/smoking stops.
Be careful when moving the furnace once the furnace has reached normal
operating temperatures. The insulation becomes brittle and could possibly
crack or break apart. With prolonged use, hairline cracks can develop in
the insulation material. These minor cracks will not affect the furnace’s
performance.
SHUT DOWN INSTRUCTIONS
Open main circuit breaker or disconnect switch (Note: the incoming side of the
main circuit breaker still has voltage, even after main device is open.)
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Страница 31: ...3216 3208 3204 User Manual 3200 Range Process Controller HA028651 11 Aug 2012 ...
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Страница 173: ...Model 2416 Process Controller User Manual Part No HA025041_12 Date August 2014 ...
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