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Pentair raychem ngc-30/uit2 - Setup | Limit Cut-Out Window

Pentair raychem ngc-30/uit2
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industrial heat tracing solutions
EN-RaychemNGC30UIT2Programming-AR-H5818602/16
Temperature Alarm Filter Entry List
This minimizes nuisance alarms by forcing the NGC-UIT2 to verify that the alarm condition
continually exists over the selected period of time before alarming.
Range: 10 to 59,940 seconds
Default: 900 seconds (15 minutes)
IMPORTANT: The 15 second option is for testing and demostration purposes. Choosing this option
for normal use may cause nuisance alarming since this option may not allow the NGC-UIT2 time
to verify that the alarm conditions exist.
3.3.7 SETUP | Limit Cut-Out window
Fig. 3.13 Setup | Limit Cut-Out window
High Limit Cut-Out Entry Field
High Limit Cut-Out feature is triggered depending on Control and RTD Modes. The Table below
indicates which RTD Modes will initiate a High Limit Cut-Out for each Control Mode. If these RTDs
are assigned to a Circuit and measure a temperature above the High Limit Cut-Out threshold, the
NGC-UIT2 generates an alarm and the relay output is turned off. If he High Limit temperature is
below this threshold minus the Deadband, the output is turned on.
Table 3.3 Control Modes and RTD Modes That Trigger High Limit Cut-Out
Control Modes RTD Modes
Control Monitor Continuity
On/Off X -- --
Proportional X -- --
PASC -- X --
Always On X -- --
Always Off -- -- --

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