Instruction manual

40
Makeup Volume xxxxx (if Feed on makeup volume)
Use the arrow keys to change the volume of makeup water that needs to enter the system in order
to trigger the inhibitor feed. Any value between 1 and 10,000 is acceptable. Press Enter to accept
the new value.
Time on / Vol xxxx:xx (if Feed on makeup volume)
Use the arrow keys to change the amount of time for the inhibitor feed pump to run, once the
previously specified volume of makeup water has entered the system. Any value between 1 and
1440 minutes is acceptable. Press Enter to accept the new value.
If you are feeding based on Multiple Sources, this menu will appear once for each makeup water
source.
Set Point xxxx (if Feed based on 4-20 mA input)
Use the arrow keys to change the value at which you want the feed relay to close. When the
control mode is based on a 4-20 mA input, the set point value is limited to the range of the 4-20
mA input. Press Enter to accept the new value.
If you are feeding based on Multiple Sources, this menu will appear once for each makeup water
source.
Dead Band xxxx (if Feed based on 4-20 mA input)
Use the arrow keys to change the value away from the set point at which the feed relay will close.
Press Enter to accept the new value. For example, if you are forcing the inhibitor concentration
higher, and your set point is 20 ppm and your dead band is 1 ppm, then the feed relay will close at
20 and open at 21 ppm. The purpose of the dead band is to prevent rapid cycling of the relay open
and closed, which can shorten its life. The dead band should be set for the lowest value that still
prevents the relay from chattering.
Source 1 Cond Range
xxxxx TO xxxxx (if Feed Mode is one of the Multiple Sources types)
Use the arrow keys to change the range conductivity (or ppm) values that the controller will use to
identify the makeup water source. For example, if the water from this source is typically 275
µS/cm, set the range at 200 to 350 µS/cm. Source 1 must be the lowest conductivity range,
Source 2 the next highest, and Source 3 the highest conductivity. The controller automatically
enters the conductivity value of the next range to prevent overlapping ranges, or gaps between the
ranges.
Source 2 Cond Range
xxxxx TO xxxxx (if Bleed based on cycles, 2 or 3 sources)
As described above, for Source 2 makeup water.
Source 3 Cond Range
xxxxx TO xxxxx (if Bleed based on cycles, 3 sources)
As described above, for Source 3 makeup water.
S1 % Bld to Fd xxx (if Feed as % of Bleed, Multiple makeup sources)
As described above in % of Bld to Feed xxx, for Source 1 makeup water.
S2 % Bld to Fd xxx (if Feed as % of Bleed, Multiple makeup sources)
As described above in % of Bld to Feed xxx, for Source 2 makeup water.
S3 % Bld to Fd xxx (if Feed as % of Bleed, Multiple makeup sources - 3)
As described above in % of Bld to Feed xxx, for Source 3 makeup water.