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Dehumidifying Dryers Chapter 4: Operation 31 of 59
Process Air Dew Point Display
Optional
The Process Air Dew Point meter indicates the current process air delivery moisture content.
Standard dryers use a microprocessor-based controller for displaying dew point air
temperature. The controller is a modular, self-contained unit removable from the mounting
housing. All parameters are factory set and adjusted; normally, no field adjustment to the
internal controls are necessary.
Figure 7: Typical Dew Point Display Monitor
PV
SV
OUT1
OUT2 MANU ST OP RMT AT SUB1
AT
E5CK
OMRON
Note: The only functional buttons on this contoller are the up and down keys.
Setting the High Dew Point Alarm
The high dew point alarm setting is changed by pressing the up and down keys to input the
alarm value. The factory setting for Alarm Value 1
(
AL-1
) is -10°F (-23°C).
Restoring the Process Air Dew Point Meter (E5CK) to Factory Setup
If the preset parameters on the controller have been tampered with and it no longer functions
properly, call the Service Department. This controller is not meant to be modified.
Note: The dew point alarm monitors and indicates a deviation from the set
point.