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Dehumidifying Dryers Chapter 4: Operation 25 of 59
4-2 Controller Description and Operation
Identifying Control Panel Indicator Lights and Switches for the Standard
Controller
Switches
System OFF/ON/START Switch. This switch energizes or de-energizes control power to
the indicator panel and starts the dryer. (The controller can be energized without the dryer
running.)
Optional Alarm Silence Switch. Press this switch to silence the horn when a high
temperature process/regeneration or blower failure alarm activates.
Indicator Lights
Alarm Light. This feature works in conjunction with the alarm horn to warn the operator of
a high bed safety temperature, a regeneration heater fault, or a blower failure. This warning
is reset by pressing the alarm silence button.
Figure 4: Typical Dryer Control Panel