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
5.8 Maintenance activities at the housing
5.8.1 Cleaning the housing of the Alyza IQ
Outside Clean the outside of the housing with a brush, water and dish-washing solution.
Inside Clean the inside with a moist (not dripping) cloth, water and dish-washing solu-
tion.
5.8.2 Changing the filter mats
The filter mats are in front of the ventilation grids (under the housing lid and on
the underside of the housing).
The ventilators are behind the ventilation grids. The filter mats can thus be ex-
changed riskless even during operation.
Maintenance
interval
Depending on contamination
Upper filter mat
26 Reinstall the overflow vessel in the Alyza IQ.
27 Mount the sample overflow tube to the collection funnel for the sample
overflow.
28 Screw the sample feed tube to the overflow vessel.
29 Re-connect the sample tube to the overflow vessel.
30 Remove the container that held the cleaning solution. Dispose of the
remainders of the cleaning liquid properly.
31 Switch on the filtration pump with the Start key.
32 Leave the filtration pump to work for some time to completely remove
the detergents.
33 Fill the sample tube (Alyza menu / tab Maintenance / Manual actions /
Fill individually / Sample tube)
34 Restart the Alyza IQ and switch off the maintenance condition at the
IQ S
ENSOR
N
ET
.
1 Remove both front screws on the housing lid.
2 Open the housing lid upward and fix it with the bearer (see Abb. 5-14,
 129).