Dri-Air Industries HA750B Betriebshandbuch - Seite 7
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Seite druckenSTART-UP PROCEDURE
OPERATING MANUAL - HA750-1500B HOT AIR DRYERS
Revision 10/8/02
DRI-AIR
INDUSTRIES, INC.
Dryer Start-up
To start dryer follow the instructions below.
Turn disconnect to the ON position.
Turn START/STOP Actuator to RIGHT and release.
1. Green ON light indicates there is power on.
2. Blower starts.
3. Amber Heater light indicates heaters on.
4. To set the process air temperature see following
section.
5. Upper display on controller indicates actual
process air temperature.
6. Lower display on controller indicates process air
temperature set point.
Setting Process Air Temperature
Using the Digital Temperature Controller pictured to the left:
Press SET button and the red Temperature Set display
(labeled SV) will flash.
Press the < to move cursor to desired digit and press up arrow
to increase temperature and down arrow to decrease
temperature set point.
Press SET again to enter the new temperature.
If the upper Process Air Temperature display (labeled PV)
flashes, the temperature is out of the lower control range. The
display will flash until the temperature rises above low limit.
If the display shows 0000 the thermocouple is not connected
or is faulty.
Dryer Shutdown
Routine Shutdown
To stop the dryer, turn the START/STOP Actuator to the LEFT.
The dryer heaters will shut off as indicated by the amber light,
but the blower will continue to run for one minute to allow the
heaters to cool. The blower will then shut off. Return the
START/STOP Actuator to the neutral position.
Emergency Shutdown
Should the need arise to stop the dryer due to an emergency
situation, simply press the red E-STOP button on the electrical
panel enclosure. This will shut off power to the blower and
heaters.
CAUTION: Do not use the E-STOP for routine shutdown.
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