Alm2 indicator, Output indicator, Stop indicator – AEC WD 350 through WD3000 Dehumidifying Dryers User Manual
Page 39: Hb indicator, Input led indicators, Blower input (i/0), Hi-process air temp (i/1), Hi-regeneration air temp — left bed/right bed, Start/stop input (i/5), 7 level 2 plc led indicators
ALM2
ALM2 Indicator
The
ALM2
indicator is not used.
OUT
Output Indicator
The
OUT
indicator lights when the controller signals the process heaters to be energized.
STOP
Stop Indicator
The
STOP
indicator is not used.
HB
HB Indicator
The
HB
indicator is not used.
5-7 Level 2 PLC LED Indicators
Input LED Indicators
Blower Input (I/0)
The
Blower Input
indicator lights when the blower contactor energizes.
Hi-Process Air Temp (
I/1)
The
Hi-Process Air Temp
indicator lights when process air temperature is outside the
acceptable operating range set as
ALM1
on the temperature controller.
Hi-Regeneration Air Temp — Left Bed/Right Bed (
I/2, I/3)
The
Hi-Regeneration Air Temp
indicator is off during a regeneration bed high temperature
condition. This condition is based on the set point of
2CNTL
and
3CNTL
.
Start/Stop Input (
I/5)
The
Start/Stop Input
indicator lights when the dryer is running. It goes off when the dryer stops
during a normal shutdown sequence.
Note: Inputs
I/6
through
I/8
are not used.
Page 38
WDMR and WDFR Series Dehumidifying Dryers