AEC AP Series Large Dehumidifying Dryer - Manual (Page 52)

Large Dehumidifying Dryers Controls 51
The trend colors match the colored line underneath the values description in the main
part of the display.
The maximum and minimum values for the trend can be changed by pressing the
trend itself and entering new values for the appropriate pens.
2. Press “Regen Trend” to active a trend window.
The trend window displays 4 hours worth of values for the regeneration temperatures.
The trend only collects data while the trend display is active
The trend colors match the colored line underneath the values description in the main
part of the display.
The maximum and minimum values for the trend can be changed by pressing the
trend itself and entering new values for the appropriate pens.
3. Press “Dew Point Switch” to change the value at which the regeneration system
switches sides and begins a new regeneration cycle if the option, switch on dew
point, is enabled.
4. Press “Dryer Menu” to return to the dryer menu display.
5. Press “Help” to access the help menu display.
The 2 message bars at the bottom indicate what the regeneration cycle is doing. The upper
line is used for the right bed while the lower line is used for the left bed. If a time appears as
part of the message, its format is HOURS:MINUTES.
The right bed messages are:
RIGHT BED UNDEFINED
– Main Air Valve position is undetermined
RIGHT BED OFF-LINE – Bed is not in process and requires regeneration
RIGHT BED OFF-LINE & READY
– Bed is not in process and has completed regeneration
RIGHT BED REGEN-HEAT H:M – Regeneration in progress, heating active
RIGHT BED COOLING H:M – Regeneration in progress ambient air cooling active
RIGHT BED CLOSED LOOP H:M – Regeneration in progress closed loop cooling active
RIGHT BED IN PROCESS H:M – Bed is being used to dry the process air
RIGHT BED REGEN FAILURE
– Regeneration failed
DRYER SHUT OFF – Dryer is not functioning
DRYER IS STOPPING IN H:M
– Sequenced shutdown in progress
The left bed messages are:
LEFT BED UNDEFINED – Main Air Valve position is undetermined
LEFT BED OFF-LINE – Bed is not in process and requires regeneration
LEFT BED OFF-LINE & READY
– Bed is not in process and has completed regeneration