Seko KRONOS 20 pH/ORP - Proportional pH Dosing; pH Proportional Dosing Configuration; Additional pH Settings; pH Measurement Display

0000138014 rev. 1.0 EN
4
Paragraph 2 – Proportional dosing for the pH measurement (factory default)
Programming
Operation
The pump measures and controls the pH value of a solution, by
programming the following parameters: set-point, set-point type,
proportional band and alarm band.
Set-point type: acid
0
14
pH
s/m
max
flow-rate
Ala rm Ba nd
Ala rm Ba nd
Pr o p o r t i o n a l
Ba n d
set-point
A
l
a
r
m
O
n
A
l
a
r
m
O
n
Pump Off
P
u
m
p
O
n
Set-point type: alkaline
0
14
pH
s/m
max
flow-rate
Ala rm Ba nd
Ala rm Ba nd
Pr o p o r t i o n a l
Ba n d
set-point
A
l
a
r
m
O
n
A
l
a
r
m
O
n
Pump Off
P
u
m
p
O
n
Can also be programmed:
- The O.F.A. (Over Feed Alarm) time in minutes, a set period of time after
which, if the measured pH does not reach the set-point, an alarm signal
is activated.
- Activation / deactivation of the calibration procedure
- Manual temperature value in °C (default) or °F
Display during operation
pH measure value
Value of dosing on going
(depends on unit of measure
selected)
• Percentage, Frequency,
l/h, Gph, ml/m
•
Alarms and statuses
• Cal = Calibration not
performed
• Lev = Level Alarm
• Flw = Flow Alarm
• Alm = Mesure out Band
Alarm
• OFA = O.F.A. Alarm
7.00pH
P 100%
Pump status
• empty = pump in stating
• Stop = pump in stop
• Paus = pump in pause
•
PROG
Config.
Config.
Funct.
Funct.
pH
Setpoint
7.00pH
Set.Type
Acid
Pro.Banda
0.50pH
AlarmBand
0.50pH
OFA
0m
Calibr.
Probe
Temp.Man
25°C
Temp.Man
25°C
Temp.Man
77°F