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Raychem-AR-H58692-ACS30UIT2Programming-EN-1805
Low Line Temp Alarm:
If any RTDs assigned to a circuit measures a temperature below this
threshold, the ACS-UIT2 generates an alarm.
Range:
33ºF (1ºC) to maintain setpoint
Default:
33°F (1°C)
Temperature Alarm Filter:
This minimizes nuisance alarms by forcing the ACS-UIT2 to verify that
the alarm condition continually exists over the selected period of time before alarming.
Range:
0–999 minutes
Default:
15 minutes
Note:
Setting the Alarm Filter to 0 minutes is mainly for testing and demonstration purposes.
Choosing this option for normal use may cause nuisance alarming since this option may not allow
the ACS-UIT2 time to verify that the alarm conditions exist.
High Line Temp Cut-Out:
If any RTDs assigned to a circuit measures a temperature above this
threshold, the ACS-UIT2 generates an alarm and the relay output is turned off. If the high line
temperature drops below this threshold minus the deadband, the output is turned on and normal
duty cycle control is resumed.
Range:
110°F (43°C)–200ºF (93ºC)
Default:
200°F (93ºC)
High Line Temp Cut-Out Enable/Disable:
Enables or disables the high line temp cut-out capability.
When enabled, the ACS-UIT2 alarms and the output relay turns OFF if any RTDs exceeds the cut-out
value for the alarm filter time period. If the high line temp cut-out is disabled, the relay output will
continue to function normally without the high temperature cut-out feature.
Options: Enable or Disable
Default: Enable
Assigning Ground-Fault Alarm and Trip Levels
The Ground-fault window allows you to set the alarm and trip levels. Tap the G.F. button to access
the ground-fault window.
Fig. 3.63
Setup|G.F. window (Fuel Oil PASC Control)
Input the Ground-Fault Alarm and Ground-Fault Trip:
Ground-Fault Alarm:
When the ground-fault current exceeds this level the ACS-UIT2 goes in alarm.
Range:
10–200 mA
Default:
20 mA
