Xylem YSI Alyza IQ NH4, Руководство по эксплуатации

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Maintenance and cleaning Alyza IQ NH4
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figure 5-5 Tubes in the tube fasteners
WARNING
Dangerous chemicals.
Do not open the locking device of the MultiPort valve if the
maintenance activities at the measuring unit have not been
completed. Leaking chemicals can cause health problems
and damage the measuring unit.
Heed the following rules:
 Carry out the Öffnen der Messeinheit vorbereiten func-
tion.
 Carry out the System entleeren function.
 Guide all tubes of the ChemBags over the tube fasten-
ers above the locking device.
 Fix the tubes in the intervals of the tube fasteners.
 Make sure that the connected ChemBags are safely sus-
pended from the supporting rod, and that they are not
pressed or moved while the locking device is open.
 Make sure that the sample tubes (from the overflow ves-
sel to the measuring unit) are fixed in the recesses at the
left-hand side of the measuring unit.
 Follow the safety instructions.
 Wear protective equipment (lab coat, protective gog-
gles, chemical resistant protective gloves, safety
shoes)
Prior to opening the locking device always check whether the mea-
suring unit was prepared for the opening and whether the system
was emptied (e.g. tab
Status in the Alyza menu).