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Operation and Maintenance Manual Rev: C17
A – 5.3: Chlorine Booster Control
If your controller is configured to control a
Chlorine Booster pump, you will have the
following options:
Control Input (Op): This option is only available if
the ppm Input is enabled. Choose between ORP,
ppm or, if the ppm probe is used, both to control
the chlorine booster.
ORP Trigger Point (Op): This option is only shown
if the Control Input is ORP or Both. This value sets
the ORP level that the input must drop below to
activate the chlorine booster control. (the range is -
1000 mV to the Cl Booster's ORP Set Point)
ppm Trigger Point (Op): This option is only shown
if the Control Input is ppm or Both. This value sets the
ppm level that the input must drop below to
activate the chlorine booster control. (the range is
from 0.0 ppm to the Cl Booster's ppm Set Point)
ORP Set Point (Op): This option is only shown if the
Control Input is ORP or Both. This value sets the
ORP level that once it is reached the chlorine
booster control will shut off. (the range is from Cl
Booster's ORP Trigger Point to the ORP high
alarm point)
ppm Set Point (Op): This option is only shown if the
Control Input is ppm or Both. This value sets the ppm
level that once it is reached the chlorine booster
control will shut off. (the range is from the Cl
Booster's ppm Trigger Point to the ppm high
alarm point)
ORP Hysteresis (Op): This option is only shown if
the Control Input is ORP, Both, or, if ppm Input source is
set to calculated, ppm. This value sets the level that
the input must rise above the set point before the
chlorine booster control will turn off.
ppm Hysteresis (Op): This option is only shown if
the ppm probe is used and the Control Input is ppm or
Both. This value sets the level that the input must
rise above the set point before the chlorine
booster control will turn off.
Failsafe Timer (Op): This value sets the time
that the relay is allowed to stay continuously on.
(the range is 0:00 to 18:00 hours)
The most common failures of automated
chemical feed systems are depletion of the
chemical supply and/or chemical feeder
failure. Both problems result in the controller
being unable to reach set point in a reasonable
period of time. The failsafe timer sets the
maximum length of time the feeder can run.
If the feeder has been trying to achieve set
point without success for the selected time,
the controller will cut power to the feeder,
flash the Reset Fail/Safe LED on the face
panel and display a message to alert the
operator. If in TBP Pause mode, the
controller will reset the timer.
An operator must reset the failsafe through
the Reset Fail/Safe button to re-enable
normal control.
A – 5.4: Super Chlorination
If your controller is configured for Super
Chlorination, you will have the following options:
Control Input (Op): This option is only available if
the ppm probe is installed. Choose between ppm and
ORP to use to control the Super Chlorination
feed.
4 Event 28 Day Timer (Op): To program when
the super chlorination should trigger, select 4Event
28Day Timer from the Super Chlorination menu:
Selecting Event1 will allow you to select the
weekly interval to trigger the Super
Chlorination. 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.
Next you can select the day of the week (or
every day) the event should be triggered on.
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 Start
Time.
Select the Event1 Start Time from the 4Event
28Day Timer menu.
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
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