Xylem WTW FCML 412-M12 Series, Руководство по эксплуатации

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FCML 412 N(-S), FCML 412-M12 Commissioning
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2. Cut off the tip of the dropping bottle until the opening in the tip is vis
-
ible, then fill the membrane cap completely with electrolyte solution
making sure it is bubble free.
3. Lift off the hose ring of the membrane cap, which closes the valve
opening, from the side so that the valve opening is exposed (see pic
-
ture below).
Hold the sensor shaft in an upright position and place it on the filled
membrane cap. Some of the electrolyte solution will leak over the
upper edge of the membrane cap while doing this. Then screw the
electrode shaft into the membrane cap. For this, first turn the elec
-
trode shaft anti-clockwise until the thread catches; then slowly screw
in the electrode shaft as far as it will go until no gap can be seen
between the sensor shaft and membrane cap.
1 Valve opening
2 Hose ring
NOTE
Overpressure in the membrane cap can destroy the membrane disk.
Therefore, make sure the valve opening is not inadvertently closed
by your fingers. Excess electrolyte solution must be able to escape
freely at any time. Screw slowly so that no back pressure can devel
-
op.
4. Using a blunt object, slide the hose ring over the valve opening and
insert it evenly in the groove.
5. Rinse off any electrolyte solution adhering on the outside.
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