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9487 Dielman Rock Island Ind Dr, St. Louis, MO 63132 www.becs.com
Operation and Maintenance Manual Rev: C17
An operator must reset the failsafe through
the Reset Fail/safe button to re-enable normal
control.
Alt Set Point: The 4 Event 28 Day Timer allows
you to program a schedule to define when to use
alternate set point.
Alt Set Point 4 Event 28 Day Timer (Op):
To program the 4 Event 28 Day Timer,
perform the following:
• Select the Alt. Set point from the Cl (Br)
Control menu.
• Now select the 4Event 28Day Timer from the
Alt. Set Point menu.
• Selecting Event1 will allow you to select the
weekly interval to use the alternate set point.
If the 1st, 2nd, 3rd, or 4th week is selected,
the timer will only trigger on that week in the
four-week cycle. The Odd Weeks selection
will trigger on the 1st and 3rd weeks, the
Even Weeks selection will trigger on the 2nd
and 4th weeks, and the Every Week selection
triggers every week.
The week number and day of week for the
current date is displayed on the bottom
right side of these screens.
The first week is fixed to be the week of
Sunday, January 2
nd
, 2000 and every four
weeks afterwards.
The next set of screens will allow you to
choose the actual day(s).
• Select what day of the week, or every day, the
alternate set point should be used.
• Once you make your selection you will be
returned to the 4Event 28Day Timer menu
where you will have a new menu item: Event
1 Times.
• Select the Event1 Times from the 4Event
28Day Timer menu.
This screen allows you to set both the start
time and the end time for the event's
programmed weeks/days. To toggle
AM/PM, press the +/- key while the cursor is
on the time you wish to change.
If your start time is before midnight (12:00
AM) and the end time is after midnight, the
alternate set point will continue to be used
the following day up to the end time even if
that day did not fall within the week/day
selection for that event.
Example:
Event1 Week/Day: Odd weeks/ Tuesday
Event1 Times: 11:00 PM to 3:00 AM
Event2 Week/Day: Even weeks/ Monday
Event2 Times: 11:00 PM to 6:00 AM
Current Week/Day: 2nd/Tuesday
Current Time: 4:00 PM
The alternate set point last ran from 11:00 PM
last night to 6:00AM this morning.
The next time the alternate set point will run will
be from 11:00 PM next Tuesday to
3:00AM next Wednesday.
ORP Set Point (Op): This value sets the
desired level to maintain the ORP at during any
of the programmed alternate set point events.
ppm Set Point (Op): Shown only with ppm
probe and ppm Control Source. This value sets the
desired level to maintain the ppm at during any
of the programmed alternate set point events.
Bracketed ppm (Op): Shown only with ppm probe
and ORP Control Source. If enabled, the controller
will override the ORP control so that the ppm will
not drop out of a programmed range.
Bracketed ORP (Op): Shown only with ppm probe
and ppm Control Source. If enabled, the controller
will override the ppm control so that the ORP will
not drop out of a programmed range.
Warning: Disabling the failsafe timers is
highly discouraged. They are an important
safety feature to protect against dangerous
chemical overfeeds and will protect the
equipment from running continuously if it runs
out of chemical.
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