3 cleaning tasks with optional cleaning set lzx217 – Hach-Lange FILTRAX eco User Manual
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Maintenance
5.2.3 Cleaning tasks with optional cleaning set LZX217
Figure 26 Cleaning set LZX217
Table 4 Cleaning tasks with optional cleaning set LZX217
Action
Menu/acknowledgement
1
Avoid a situation where the process measuring instruments suck in cleaning solution. For
all connected process measuring instruments and for the FILTRAX eco, call up the
[+SERVICE] menu.
Select the [+FILTERCLEANING] menu.
[+FILTERCLEANING], NO
SAMPLE
2
Lift the module carrier out of the basin or channel and confirm twice with [OK].
REM.MOD.CARRIER
REMOVE MODUL
3
Carefully fill the cleaning bottle with 5% chlorine bleach (sodium hypochlorite).
CLEAN MODUL
WA R N I N G
Observe the safety regulations related to handling the cleaning solution and wear appropriate
protective clothing.
Do not allow chlorine bleach to come into contact with acidic reagents as this may cause
chorine vapors to form.
4
Detach the sample suction tube at the module side (refer to
) and
confirm with [OK] (tube connection in accordance with
).
5
Active sample line cleaning with the [PREPUMP] function (counter runs backwards from
600 seconds. The operating time counter date [CLEANED] is updated automatically.
PREPUMP 600 s (runs
backwards to 0)
6
Connect the filter module as before and immerse the module carrier once more at the
measurement location
7
Call up the [+SERVICE] menu and then the [PREPUMP] function.
[+SERVICE]
PREPUMP 600 s (runs
backwards to 0)
8
After 10–15 minutes, commission all instruments.