Xylem YSI Alyza IQ NH4, Руководство по эксплуатации

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Maintenance and cleaning Alyza IQ NH4
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Restarting the
measuring
operation
5.10 Emptying the system manually
NOTE
With manual emptying, the is the risk of material damage due to spilled chemi-
cals.
Do not empty manually if it is possible to empty the system via the Alyza menu
(see section 5.2 Opening the locking device of the MultiPort valve ("Before
opening: Drain the system"),

100).
Emptying the
system manually
21 Complete the maintenance routine (see section 3.4.4 Preparing the
Alyza IQ for measuring,
 76).
For all activities at the open measuring unit:
 Note the environmental conditions (see Abb. 3.3.1,  26).
 With low ambient temperatures, make sure that the liquids do not
freeze while the maintenance activities are carried out. Leave the
housing open for as short a time as possible.
 Open the outer housing door far enough so the arrestable brake-
stay catches.
 Open the inner housing door far enough so that it touches the
outer door. Tilt the angular sheet (at the inside of the outer door)
over the upper edge of the inside door.
WARNING
Dangerous chemicals.
Improper use of chemicals can cause damage to your
health.
Heed the following rules:
 Read the labels of the ChemBags and follow the safety
instructions
 Wear protective equipment (protective goggles, chemi-
cal resistant gloves)
1 Open the outer housing door far enough so the arrestable brake-stay
(on the lower right side of the housing) catches.
2 Open the inner housing door far enough so that it touches the outer
door. Tilt the angular sheet (at the inside of the outer door) over the
upper edge of the inside door.