System Menu
44 Operating Instructions Arium
®
Comfort I, Comfort II
8.3.2 Limit Values
Under Menu Settings Limit Values you can define the minimum
requirements for pure water (tank) and ultrapure water (dispensing). If the
set conductivity limit value is exceeded (unit: µS/cm) and | or below the
®
Comfort system issues a warning message.
The following limit values can be set in the Limit values menu:
Factory
Settings
Adjustable range
LFR – conductivity in pure water
20 µS/cm
10 – 80 µS/cm
LFP – conductivity in ultrapure water
0.095 µS/cm
1 – 0.055 µS/cm
The limit values apply to the temperature compensated conductivity values.
If displayed values are selected in the menu without a compensated
conductivity display, this may be the reason for the warning “Limit value
exceeded” being issued although the uncompensated value is located
within the permitted range.
On an Arium
®
Comfort II, no limit value can be set for the conductivity in
pure water.
The limit values are set in the unit of measure configured under Displayed
values.
8.3.3 iJust
The iJust function ensures optimal operating efficiency of your Arium
®
Comfort system. The cleaning interval and pure water yield (tank) are
optimized depending on the CO
2
value and water hardness of your feed
water.
Under Menu Settings iJust, you can access the iJust function:
t Toggle status from inactive to active
t Enter the CO
2
value of your feed water (if you do not know the CO
2
value, follow the next step Determining the CO
2
value further below.)
t Enter the water hardness of your feed water
y iJust is now active
If the iJust function has already been activated and you would like to
change the CO
2
value or the water hardness, select the iJust menu. You
can make the desired change in the sub items CO
2
value and | or water
hardness.
r r Limits
LFP
LFR
Back
r r iJust
Status: activated
CO2 value
Water hardness
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