Xylem YSI Alyza IQ NH4, Руководство по эксплуатации

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Alyza IQ NH4 Maintenance and cleaning
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5.4 Overview of the maintenance and cleaning activities
Maintenance activities have to be done at regular intervals on the Alyza IQ.
The following maintenance activities can be performed by the operator.
Regular
maintenance
activities
Regular maintenance Interval
Measuring unit
(simple mainte-
nance activities
on site) Installing/replacing the
MultiPort valve (MPV) Approx. 12 months
with a measuring interval of
10 min.
Depending on the fre-
quency of the measuring,
cleaning or calibrating pro-
cedures, the maintenance
intervals will be shorter or
longer (see section 5.5,
 106)
Installing / replacing the
ChemBags Approx. 3 - 6 months (MR1),
approx. 1.5 - 3 months
(MR2),
depending on the frequency
of the measuring, cleaning
and calibration routines
(see section 5.5,
 106)
Installing/replacing the
tubes on the MultiPort
valve (MPV) 12 - 24 months
(see section 5.5,
 106)
Measuring unit
(complex main-
tenance activi-
ties in the labora-
tory, after remov-
ing the measur-
ing unit) Installing / replacing the
syringe body Approx. 2 years
(see mounting instructions
of the syringe body)
Installing / replacing the
tubes of the photometer
unit ) As necessary
(see mounting instructions
of the tubes of the photome-
ter unit)
Sample inlet,
outlet Clean the overflow ves-
sel and intake line As necessary
(see section 5.7.5,
 122)
Return line As necessary
Waste tube of the mea-
suring unit As necessary
Sample filtration Sample filtration:
Cleaning the filter plate
(Filter/PC) 2 ... 4 months
depending on the applica-
tion.
If cleaning does not help
(see section 5.7.4,
 121)