Install The Sample And Drain Lines - Hach CODmax III User Manual

3.4.2 Install the sample and drain lines

Do not connect the drain lines to other lines because backpressure or damage to the analyzer can
occur.
The drain lines contain analysis waste and cleaning wastewater, which include chemical reagents. All
waste solutions must be disposed in accordance with local and national law.
The sample and drain tubing is factory installed. Refer to illustrated steps in
• Connect the sample line to the water inlet.
• Connect the drain tubing to the waste containers.
• Make the drain lines as short as possible.
• Make sure that the drain lines have a constant slope down.
• Make sure that the drain lines do not have sharp bends and are not pinched.
Figure 7 External plumbing connections
1 Sample line
N O T I C E
2 Flush waste
Figure 7.
3 Waste drain
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