Hach-Lange FILTRAX eco - Manual (Page 41)

41
Maintenance
Table 3 Cleaning tasks with optional cleaning container LZX216
Action FILTRAX eco display
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 with [OK].
REM.MOD.CARRIER
3 Detach the sample tube from the module carrier, disconnect the filter module from the
module carrier and confirm with [OK].
REMOVE MODUL N O T I C E
Do not touch the sensitive membrane and never allow it to dry out. Only store the filter module
in the plastic bags provided.
4
Slide the filter module into the cleaning container (tube connection in accordance with
Figure 25 on page 40 ).
CLEAN MODUL
5 Carefully fill the cleaning container with 5% chlorine bleach (sodium hypochlorite).
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.
6
Exposure time: 10 minutes.
Confirm afterwards with [OK]. Clean again mechanically as required if there is significant
contamination.
REP.MOD.CARRIER
7 Activate sample line cleaning with the [PREPUMP] function (counter runs backwards from
600 seconds. The operating time counter date [CLEANED] is automatically updated). PREPUMP 600 s (runs
backwards to 0)
8 Attach the filter module to the module carrier again and immerse the module carrier once
more at the measuring location.
9 Call up the [+SERVICE] menu and then the [PREPUMP] function. [+SERVICE]
PREPUMP 600 s (runs
backwards to 0)
10 After 10–15 minutes, commission all instruments.