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 Indicator

The

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