Setup | Safety Limiter Window (Raychem Ngc-20 Only) - Pentair raychem ngc-30/uit2 Programming Manual

industrial heat tracing solutions

3.3.13 setuP | saFety Limiter WindoW (raychem nGC-20 onLy)

This window configures the Safety Limiter (if available) temperature.
Fig. 3.19 SETUP|SAFETY LIMITER window
actual safety Limiter setpoint status Field
The Safety Limiter temperature setpoint that the Raychem NGC-20 is currently configured.
new safety Limiter setpoint entry Field
Set the New Safety Limiter Setpoint to the desired value. If the Limiter's RTD temperature exceeds
this value, the relay output is turned off and will not turn on until the Limiter's RTD temperature is
below this setpoint and the alarm is cleared.
Range:
Default:
safety Limiter setpoint timeout entry Field
For the Raychem NGC-20 to accept the New Safety Limiter Setpoint, the black limiter button
on the display board must be pressed and held down until the new value is successfully sent. A
message will pop up stating "Safety Limiter Setpoint has been updated successfully". The Safety
Limiter Timeout entry is the amount of time that the UIT will allow the user to complete the above.
Range:
Default:
send action Button
Initiates the process of updating the Safety Limiter Setpoint. When pressed, a countdown timer
will display, counting down the time remaining to complete the New Safety Limiter Setpoint
process.
trip safety Limiter action Button
When pressed, this will manually force the Safety Limiter to trip.
EN-RaychemNGC30UIT2Programming-AR-H58186 02/16
–60°C (–76°F) to 599°C (1110°F)
300°C (572°F)
1 second to 3600 seconds
60 seconds
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