Evoqua WALLACE & TIERNAN MFC, Instruction Manual

Page: 208 / 268

208
WT.050.580.000.DE.IM.0714
Maintenance
MFC
7.
18 Fill the container with fresh electrolyte (approx. 3 cm above the
water level or narrowing of the KCI container).
19 Insert the drain plug into the electrolyte container.
20 Insert the electrode mount back into the cell body using the
electrolyte container.
Please note
The cell body's dowl pin must be locked into place in the
appropriate hole in the electrode mount.
21 Screw the upper knurled nut back onto the electrolyte
container.
22 Reconnect the signal cable acc. to colour.
23 Screw the cap back on.
24 Fill half a cap from the plastic bottle with cell sanc and pour it
into the cell body (approx. 1/2 cm³ cell sand) (see 6.3.2 “Filling
the cell sand (DEPOLOX® 5 only)" on page 182).
25 Reinsert electrodes.
26 Reopen the check valve on the sample water inlet and outlet
(pressurised version).
27 Perform the zero-point calibration after approximately three
hours running-in time.
Please note
Perform a zero-point calibration after one hour running-in
time and, if required, after 24 hours.
You must calibrate each time the cell sand is replaced.
The calibration must be checked after one day.
Please note
Note the electrolyte's expiration date.
Please note
We recommend replacing the cell sand when replacing the
electrodes and diaphragms (see “Replacing cell sand in
DEPOLOX® 5 three-electrode cell" on page 205).
CNT Counter electrode Blue point Blue cable
WRK Working electrode Red point Pink cable
Ref Reference electrode (middle) White cable