Endress+Hauser Stamolys CA71NO, Operating Instructions Manual

Page: 12 / 56

Installation
12
!
Note!
• The pressure of the hose cassette is set at the factory such that the sample and reagent are fed in
without bubbles.
• Only change the pressure if the factory setting does not meet your requirements. The setting is
changed by turning the adjustment screw using a 2.5 mm Allen key.
3.4 Installation examples
3.4.1 CAT 430 or customer-specific ultra filtration and two CA 71
analyzers
3.4.2 CAT 411, CAT 430 and two CA 71 analyzers (two-channel
version)
Canister Hose designation (mark)
Sample
Reagent
Standard solution
Cleaner P
NO
S
R
• Permeate can contain air bubbles (CAT430)
or is free of bubbles (customer-supplied
ultrafiltration)
• Distance between the analysers as short as
possible: sampling line between T-piece and
the second analyser (
→
å
11, item 2)
shorter than 1.5 m
• Cross-section of sampling line ID 3.2 - 4 mm
• Only one sample receiver required
!
Note!
Ensure that there is always sufficient sample
available for both analysers. Observe this when
selecting maintenance intervals for CAT430 and
when setting the buffer volume on the collecting
vessel.
a0001728
Fig. 11: Installation example
1 Sample from CAT430
2 Sampling line
3 Sample receiver overflow
4 T-piece
5 Collecting vessel
• Permeate not free of air bubbles
• Distance between the analysers as short as
possible: sampling line between T-piece and
the second analyser (
→
å
12, item 5)
shorter than 1.5 m
• Cross-section of sampling line ID 3.2 - 4 mm
• One sample receiver each
(without level
measurement) for CAT411 or CAT430
!
Note!
Ensure that there is always sufficient sample
available for both analysers. Observe this when
selecting maintenance intervals for CAT411 and
CAT430.
a0001729
Fig. 12: Installation example
1 Sample from CAT430
2 Sample from CAT411
3 Collecting vessel
4 Collecting vessel overflow
5 Sampling lines
6 T-pieces
1
4
5
CA 71 CA 71
2 3
1
CA 71
CA 71
2
6
3
4
5