27
2009 AT8 M anual
• This is the overfeed safety feature of the system. Determine the total amount of time you
want
your pH feeder to come on in a 24 hr period and enter it here. The 24 hr period
starts when you
power up your controller.
• If there is an asterisk “*” present then the safety has tripped and the relay will stay off
until the
24 hour period has passed. If you press the up arrow and then the down arrow, the
overfeed will
be reset, and the asterisk will be removed.
• Press – SELECT to save and go on or press MENU to not save and return to reading
5.3.8
pH Feed Safety #
pH FEED SAFETY
1
MINUTES:*
30
• Use the up and down arrows to adjust the alarm for the low end of your desired pH
range.
This alarm will turn on the alarm light and make the pH reading flash.
• Alarm will clear within a minute of reading going back in range.
• Press – SELECT to save and go on or press MENU to not save and return to reading
5.3.9
pH low Alarm #
pH LOW ALARM
1
pH :
7.2
