Hach PHOSPHAX indoor sc, User Manual

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Plumbing and connection options
A.19 Option 11b plumbing and connections
Option 11b uses two sc analyzers with two sample preparation units
delivering continuous sample streams that cannot be pressurized.
The samples of each sample preparation unit goes to the first
analyzer. The analyzer must be changed to the 2-parameter
configuration (see
2-parameter configuration on page 64 ). The
sample lines are going from Analyzer 1 to Analyzer 2. Each
analyzer discharges waste into an open drain.
Refer to Figure 41 and the following instructions for Option 11b:
1. Install the sample preparation units.
2. Install the first Analyzer (Analyzer 1):
a. Feed the two sample lines from each sample preparation
unit through the analyzer. Use Seal Plug #3 to secure.
b. Feed the two sample lines out from Analyzer 1. Use Seal
Plug #3 to secure.
c. Feed the drain through Analyzer 1. Use Seal Plug #3
to secure.
d. Remove the drain tube with the T-fitting from the valve
block connector. Connect the drain tube to the valve block
connector. Discard the T-fitting.
e. Connect Sample Line 1 from Sample Preparation Unit 1 to
the bottom inlet on Overflow Vessel 1 using the fittings.
f. Connect Sample Line 2 from Sample Preparation Unit 2 to
the bottom inlet on Overflow Vessel 2 using the fittings.
g. Change the analyzer to the 2-parameter configuration.
Refer to
2-parameter configuration on page 64 .
h. Connect Sample Line 1 to the reworked overflow to
Overflow Vessel 1. Connect Sample Line 2 to the reworked
overflow of Overflow Vessel 2.
3. Install the second Analyzer (Analyzer 2):
a. Feed the two sample lines from the overflow vessels of
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. Seal the unused openings using Seal Plug #3.
d. Connect the drain tube to the T-fitting.
e. Connect Sample Line 1 from Analyzer 1 to the bottom inlet
on Overflow Vessel 1 of Analyzer 2 using the fittings.
f. Connect Sample Line 2 from Analyzer 1 to the bottom inlet
on Overflow Vessel 2 of Analyzer 2 using the fittings.