12-Monthly; Automatic Regeneration - ABB Navigator 500 Series Operating Instructions Manual

Navigator 500
Sodium analyzer

8.2.3 12-Monthly

1. Check the condition of all plastic tubing; replace it as
required – refer to Section 8.6, page 65 for multi-stream
wet-sections or Section 8.7, page 67 for single-stream
wet-sections.
2. Clean the flowcell
compensator to remove any deposits.
Referring to Fig.8.2:
a. Remove the Pt1000 temperature compensator
unscrewing the
withdrawing the Pt1000 temperature compensator
C
from the flowcell
b. Clean the Pt1000 temperature compensator
C
flowcell using high purity water.
c. When replacing the Pt1000 temperature compensator,
ensure that the O-ring
on the compensator, and the skid washer
place above the flange.
Fig. 8.2 Cleaning the flowcell and Pt1000 temperature
compensator
OI/ASO550–EN Rev. G
and the Pt1000 temperature
B
compensator sleeve
.
A
D
is in place below the flange
E

8.3 Automatic regeneration

The regeneration valve is energized for 1 minute. The analyzer
then starts a 2-hour regeneration recovery period. After the
recovery period a two-point calibration is initiated automatically.
A scheduled regeneration does not commence if the No
Samples diagnostic (see Appendix A.1, page 72) is active.
It is not advisable to perform a manual regeneration procedure
(see Section 8.4, page 63) if the No Samples diagnostic is
A
by
active.
and
Note. If it is detected that no regeneration solution is
present, the regeneration valve is de-energized
and
automatically and a recovery period is initiated. A two-point
calibration is initiated after the recovery period.
To start an automatic regeneration:
is in
1. Press the
Navigator
Tag 1
2.93
Na
The Operator menus are displayed:
Navigator
Operator Pages
4.28 4.28
Data Views
Logs
Alarm Acknowledge
Manual Hold
Autoscroll
Media Card
Enter Configuration
2. Press the
and press the
The Access Level page is displayed:
Access Level
Read Only
Calibrate
Advanced
Service
Back
3. Use the
and press the
the top level Configuration menus.
key (below the icon).
10 : 34: 52
2012–04–15
ppb
21.7 21.7
°C
CAL
10 : 34: 52
2012–04–15
ppb
21.7 21.7
°C
key to scroll to the Enter Configuration menu
key (below the icon).
Select
key to scroll to the Advanced access level
key (below the Select prompt) to enter
8 Maintenance
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