A Low Temperature Major Alarm occurs when the Water temperature leaving the heat exchange drops
below 35 degrees F. Upon Start-up, there is no disarm period. There is a 1 second Time Lag before the
alarm becomes registered at the CO terminal Blocks with no Delay on Shutdown. The Low Tem perature
Alarm is not disarmed by an ATS300, such that SmartTech dryers held as a Standby dryer in an ATS300
installation will be placed into a Major Alarm state when a Low Tem perature condition occurs.
A Compressor Breaker Major Alarm occurs upon the tripping of this breaker . Upon Start-up, there
is no disarm period. There is a 1 second Time Lag before the alarm becomes registered at the CO and
Segregated Terminal Blocks with no Delay on Shutdown.
A High Flow Warning occurs when the Air Flow exceeds the capacity of the Air Dryer. The Factory
default varies based on Model. Upon Start-up, there is no disarm period. There is a 30 second Time
Lag before the warning becomes displayed. There is no registration at the CO terminal blocks but is
registered on the Segregated Terminal Blocks #10
th
position. There is no Delay on Shutdown and the
warning is self-clearing.
40
A Power Loss Major
Alarm occurs when the voltage drops below the Brown-Out level for any phase.
The factory setting is 180Volts. Upon Start-up, there is a no disarm period. There is no Time Lag before
the alarm becomes registered at the CO and Segregated Terminal Blocks. Alarm resetting is automatic
and upon clearing the dryer will enter a standby mode, and will delay for the “power-on delay” setting
before starting the dryer.
A High Temperature Major Alarm occurs when the Water temperature leaving the heat exchange rises
above 160 degrees F. Upon Start-up, there is no disarm period. There is a 1 second Time Lag before the
alarm becomes registered at the CO and Segregated Terminal Blocks with no Delay on Shutdown.
A Brownout Fault Major Alarm occurs after 3 concurrent attempts to automatically restart the Air Dryer.
This is a Major Alarm and becomes registered at the Central Office and segregated terminals as power
failure.
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