Owner`s manual

OM-263 001 Page 30
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Alarm Cleaning
Downtime
Clean
Menu Set
6-7. Control Calibration
The only user calibration is the zero adjust-
ment of the display. Slight changes in elec-
tronic components (over time) or pressure
within the plant environment may cause the
display to read something other than 0.0
while at rest. Use the following procedure to
recalibrate the operating system.
1 Display
2 Menu Button
3 Set Button
4 Decrease Setpoint Button
5 Increase Setpoint Button
Turn power to the controller on for a minim-
um of 30 minutes to stabilize the operating
temperature.
Disconnect the pressure tubing, either leav-
ing it to atmosphere, or connecting the two
barbed fittings together with a short length
of tubing.
Use the Menu button to select PAS.
Press the Set button. Use the arrow buttons
to display “4” then press the Set button
again.
Press the Menu button repeatedly until you
reach P 14.
Press the Set button, then use the arrow
buttons to display “1”. Press the Set button
again.
After 10 seconds with no further button ac-
tion, the display returns to reading the pres-
sure.
 See Section 6-9 for optional settings.
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