AEC AP Series Large Dehumidifying Dryer - Manual (Page 40)

Large Dehumidifying Dryers Controls 39
4-4 Dryer Setup
The customer can fine-tune the AP1+ by changing values and turning options on or off.
Use the “Dryer Setup” display to
• Select whether temperatures are displayed in Fahrenheit or Celsius.
• Set the high alarm limit value for the dryer exit air temperature alarm.
• Set the high alarm limit value for the dryer’s after- or pre-cooler option.
• Enable or disable the regeneration closed loop cooling option.
• Set the high alarm limit for the regeneration closed loop cooling option.
Use the “Auto-Tune” display to start or stop auto tuning for the regeneration temperature
control loops.
Use the “Dew Point Setup” display to
• Select whether the regeneration system switches sides when a regeneration cycle
completes (TIME) or when the dew point is greater than a switch point (DEW
POINT).
• Set the high dew point alarm limit value.
• If switch on dew point is selected
o Set the dew point bed switch point value.
o Set the maximum allowed bed in Process (Online) time.
Use the “System Setup” display to
• Set the operator level password and duration.
• Set the setup level password and duration.
• Set the klaxon and alarm lamp suppression time.
Use the “Set Clock” display to set the system time. System time is in 24 hour format.
Use the “Auto-Start” display to set up the 7 day programmable timer.
• Midnight (00:00) is treated as a NO-EVENT
• All other times are in 24 hour format
• Example – Set dryer to start at 6am on Monday and stop at 4pm on Friday:
o Monday on time setting = 06:00
o Friday off time setting = 16:00
o All other values = 00:00
o Auto start option button = ON
Use the “Save and Restore Settings” display to save and restore the AP1+ operational
parameters. Multiple profiles can be used simply by supplying different compact flash
memory cards.