nVent RAYCHEM NGC-30 User Manual page 22

Demo unit
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IMPORTANT: The SES-CONT device does not have any RTDs, thus cannot control
or monitor the temperature. Therefore, the only RTD Mode that can be selected is
Continuity. In Continuity Mode, the integrity of the heat-tracing system is monitored.
Step 7: Go to the Setup|Temp screen.
Input the Setpoint, High Temp Alarm and Low Temp Alarm by pressing on each of the four
numeric fields in turn, and enter the values using the pop-up number pad. Press Enter
when done.
For this example, the Setpoint temperature is 145°F, and high and low temperature
alarms at 180°F and 120°F respectively.
Step 8: Go to Setup|G.F. screen
Input the Ground-Fault Alarm and Ground-Fault Trip by pressing each of the two numeric
fields in turn, and enter the values using the pop-up number pad. Press Enter when done.
For this example, the Ground-Fault Current Alarm and Ground-Fault Current Trip levels
are set to 20 mA and 30 mA respectively.
At less than 20 mA, the NGC-30 program takes no action. At 20 mA or
more leakage, an alarm is indicated and logged to the Events List.
At 30 mA the output relay assigned to this Circuit is tripped off.
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