Hach PHOSPHAX indoor sc, User Manual

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Plumbing and connection options
A.17 Option 10b plumbing and connections
Option 10b uses two sc analyzers with one sample preparation
delivering a continuous sample stream that cannot be pressurized.
The samples of the sample preparation is going into Analyzer 1.
This analyzer must change to the 2-parameter configuration (see
A.2 on page 64 ). The sample line runs between both analyzers.
Each sc analyzer discharges waste into an open drain.
Refer to Figure 39 and the following instructions for Option 10b:
1. Install the sample preparation unit.
2. Install the first Analyzer (Analyzer 1):
a. Feed the sample line from the sample preparation unit
through the analyzer (
Figure 39 , item 7). Use Seal Plug #3
to secure.
b. Feed the drain tube through the analyzer (item 6). Use Seal
Plug #3 to secure.
c. Remove the drain tube from the valve block connector.
d. Connect the sample line from the sample preparation unit
to the overflow vessel (bottom inlet) using the fittings.
e. Change the analyzer to the 2-parameter configuration.
Refer to
2-parameter configuration on page 64 .
f. Connect the sample line to the reworked overflow with the
overflow vessel. Refer to
2-parameter configuration on
page 64 .
3. Install the second Analyzer (Analyzer 2):
a. Feed the sample line from the overflow vessels on
Analyzer 1 through Analyzer 2. Use Seal Plug #3 to secure.
b. Feed the drain tube through Analyzer 2. Use Seal Plug #3
to secure.
c. Connect the drain tube to the T-fitting.
d. Connect the sample line from Analyzer 1 to the bottom inlet
on the overflow vessel of Analyzer 2 using the fittings.