Aircel ABP Series, Руководство по установке и эксплуатации

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ABP Series | Blower Purge Desiccant Air Dryer
18
NORMAL OPERATION SETUP
Normal Dryer System Operation Setup
The following operational sequence should be followed for normal dryer system operation.
1. Make certain all gauge isolation valves, vent valves,
instrument valves, pre-filter drain valves, etc. are in the
correct positions.
2. Make certain the system has been pressurized to line
pressure.
3. Ensure blower intake adjustment valve has been preset
and locked down. Slight adjustment might be needed to
maintain 400°F downstream of heater during the heat
regeneration cycle.
4. Verify control air has pressure, set at 100 psi
5. Confirm the valve upstream of the dew point sensor is
fully open, and valve downstream of the dew point sensor
is slightly open - a slight air flow should be noticed at the
end of the exhaust coil.
6. The Power On/Off switch is set to ON.
7. The System On/Off button must be turned On. This is
accomplished by pressing the System On button on the
control panel in the Main Menu screen. The color will be
green for on and red for off.
8. Service Mode should not be active. Service Mode will not
be visible or shown on the Running Sequence screens
when not active. If Service Mode is shown, the service
routine is active and needs to be place into normal
operation. To deactivate Service Mode from the Running/
Step screens, press the Screen Unlock button until it starts
blinking, then press the Main Menu button, displaying
the Control/Main screen. Next, press the Service Menu
button to activate the service screen. From here, press
the Deactivate Service button. The Service Mode that was
visible on each screen will disappear and the dryer will
resume normal operation.
9. Check the temperature settings in the Control/Main
menu by pressing the Temp Settings button and verify all
settings are correct as needed.
10. Dew point Demand can be turned On or Off in the
Control/Main menu. When On (Green in color), Dew point
Demand is energy saving demand mode, extending the
drying period if below outlet Dew point Demand setting in
the Temp Settings screen. When the Dew point Demand
button is Off (Red in color), the dryer is in fixed time
mode, switching continuously on a standard time cycle.
11. Dry Cool Purge can be turned On or Off in the Control/
Main menu. When On (Green in color), a portion of the
dry air outlet will help cool the regenerating bed and
minimize the pressure dew point swing at switchover.
12. Blower Cool can be turned On or Off in the Control/
Main menu. When On (Green in color), the heater sheath
cooling process will initiate for a total of 8 minutes prior
to the Dry Cool Purge.
13. Typically, the Running Screens/Steps screens should be
displayed on the system screen when in operation. Other
screens (such as the Flow Diagram) can be displayed as
the normal operation screen, if needed.
14. Verify no Common Shutdown alarms are active and
require attention.
15. Make certain any filter, dryer, or user block and bypass
valves are in the correct positions.
16. The system is ready to go on line and dry the process air.
Normal Settings
Heat Control 400
Dew point Demand - 50
High Humidity - 10