Instruction manual

23
Feed Based on
Water Contactor
Mode
Time/Cont.
(Time per contact.) This determines the length of time that the feed pump should be on for each contact
that is received.
÷ Contacts By
This setting allows a divider to be entered. The divider will count actual contacts from the meter until the
setting is reached before a contact is considered to be received. For example, if the divider is set to 10 and
the Time/Cont is set to 5:00, then the feed output would turn on for 5:00 minutes after 10 contacts were
received.
Time Limit
This setting puts a limit on the amount of time that can be accumulated by the water meter input. Once this
setting has been reached, all contacts will be ignored until the accumulated feed time expires. By setting
Time Limit = Time/Cont., the accumulation of contacts can be disabled.
Hint: Program this first when initially setting up the Feed and Blowdown additions.
Feed Based on
Paddlewheel Mode
Time/Vol
This setting determines the pump on-time once a given volume of water has passed through the
paddlewheel sensor. The volume required to initiate feed is set below.
Vol to Init.
This setting determines the volume of makeup water that will initiate chemical feed.
Time Limit
This setting puts a limit on the amount of time that can be accumulated by the water meter input. Once this
setting has been reached, all contacts will be ignored until the accumulated feed time expires. By setting
Time Limit = Time/Vol., the accumulation of contacts can be disabled. This is set in minutes and seconds.
The following settings are for all feed modes.
Chem Feed Mode
A / B / C / D / E
This allows the user to select the chemical feed mode as described above.
H O A
This sets the Hand Off Auto for the feed output. This was explained in the Bleed Menu section and
functions similarly. In Off position, the output will not turn ON regardless of the feed mode selected.
5.5.2 Alarm (A or B) Menu
This menu only appears if the Auxiliary output mode is set for "Alarm"
The settings here determine when the (L) and (H) indicators appear on the summary screen. The Alarm
menu screen will appear as follows:
Alarm OFF
Alarm LOW ALRM
Alarm HI ALRM
Alarm % Low
This is the % below the blowdown set point that the LOW ALARM will activate. If the set point is
1000 and the % Low setting is 20 then the Low alarm will activate at 800. Entering zero will disable
the Low Alarm.
Alarm % High
This is the % above the blowdown set point that the HIGH ALARM will activate. If the set point is
1000 and the % Low setting is 20 then the High alarm will activate at 1200. Entering zero will disable
the High Alarm.