Perma Pure Micro-GASS UG - Manual (Page 15)

15 Micro-GASS User Manual
4. Enable low temperature alarm.
a. Input the alarm setpoint - Press and hold the q
key until “LEVL” appears. Press and hold the Ø
key. Press the
q key to move to level 1. Release the two keys. Press and hold the p
key until
“Set.2” appears. Press and hold the Ø key. Press the p key until “40” appears. Release the two
keys. This alarm will control the sample pump so that it will automatically turn off at any time that
the temperature is below 40
O C.
3. Set the control setpoint and auto-tune the controller.
a. Input the control setpoint temperature - Press and hold the Ø key. Hold the p key until the
display goes from 0 to 55.
b. Auto-tune the controller - Press and hold p and q keys simultaneously for 3 seconds to enter
the program mode. Release the two keys. The display will then be alternately flashing “tunE” and
“oFF. Press and hold the Ø
key. Press the
p
key until “At.SP” appears. Release the two keys.
Press and hold p and q keys simultaneously for 3 seconds to exit the program mode. The
display will then be alternately flashing “tunE”, “At.SP” and the actual process temperature. Allow
the controller time to auto-tune. When tuning is complete the display will show only the actual
process temperature. This process may take up to an hour.