AEC WD 350 through WD3000 Dehumidifying Dryers - Manual (Page 36)

Left Bed Heater
The
Left Bed Heater indicator lights when the left bed regenerates and is in the heat-up portion
of the regeneration cycle.
Right Bed Heater
The
Right Bed Heater indicator lights when the right bed regenerates and is in the heat-up
portion of the regeneration cycle.
Left Bed In Regen
The
Left Bed In Regen LED lights when the left bed is in regeneration.
Right Bed In Regen
The
Right Bed In Regen LED lights when the right bed is in regeneration.
Blower On
The
Blower On indicator lights when the blower energizes.
High Regen Air Temp.
The
High Regen Air Temp. alarm indicator lights when the thermocouple above the
regeneration heater assembly senses an abnormally high temperature.
Caution!
Do not adjust the factory set point of 2CNTL and 3CNTL,
the 1/16 DIN panel-mounted temperature controller
located inside the enclosure.
The regeneration heaters shut down until the temperature falls below the alarm point. The
regeneration blower continues to run for cooling the heaters and desiccant bed. This indicator
shuts off and the alarm condition clears when the temperature drops below the alarm point. The
heaters re-energize automatically.
High Dew Point
The
High Dew Point alarm indicator lights when the process air delivery dew point exceeds the
dew point shift point.
Dirty Filter
The
Dirty Filter alarm indicator lights when the pressure differential across the process air return
filter exceeds the pressure switch setting. Replace or clean the filter when this indicator lights.
The indicator and the alarm condition clears after you service and reinstall the filter.
WDMR and WDFR Series Dehumidifying Dryers Page 35