Commissioning Liquisys M CPM223/253
66 Endress+Hauser
R2 (5)
Configure cleaning
with Chemoclean
(for version with
four contacts and
contacts 3 and 4
assigned)
LC PV = limit contactor pH/
ORP (1)
LC C = limit contactor T (2)
PID controller (3)
Timer (4)
Clean = Chemoclean (5)
Neutra controller (6)
See "Chemoclean function" section.
By confirming with ENTER, another relay
function already switched on is switched
off and its settings are reset to the factory
settings.
R251
Switch function of
R2 (5) off or on
Off
On
R252
Select type of start
pulse
Int = internal (time-
controlled)
Ext = external (digital input
2)
I+ext = internal + external
I+stp = internal, suppressed
by external
The cycle for the "int" function is started by
the end of the pause time (R257).
No real time clock is available.
External suppression is required for
irregular time intervals (e.g. weekends).
R253 Enter pre-rinse time
20 s
0 to 999 s
Rinsing with water takes place.
R254 Enter cleaning time
10 s
0 to 999 s
Cleaning with cleaning agent and water
takes place.
R255 Enter post rinse time
20 s
0 to 999 s
Rinsing with water takes place.
R256
Enter number of
repeat cycles
0
0to5
R253 to R255 is repeated.
R257 Enter pause time
360 min
1to7200min
The pause time is the time between two
cleaning cycles (see "Timer function"
section).
R258
Enter minimum
pause time
120 min
1toR257min
The minimum pause time prevents
constant cleaning if an external cleaning
start is present.
Coding Field Setting range
(Factory settings, bold)
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