Hach-Lange Sigma SD900 Portable - Manual (Page 21)

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Installation
3.2.1 Manhole installation
WARNING
Explosion hazard. This product is not designed for hazardous
locations where combustible environments may exist.
Installation in a manhole requires suspending the sampler above
the sample water. Refer to
section 2.1.3 on page 12 for safety
information in confined spaces.
Prerequisites:
Use the following hardware to mount the sampler in a manhole.
• Spanner bar or support bracket. A spanner bar is placed inside
the manhole and is supported by pressure against the walls. A
support bracket has the same width as the manhole cover and
is placed directly under the cover for support.
• Suspension harness
Note: See Accessories on page 70 for ordering information.
Installation procedure
Complete the following steps to mount the sampler in a manhole.
1. Connect the suspension harness to the latches on the
sampler cover.
2. Hang the suspension harness on the spanner bar or
support bracket.
3. Mount the spanner bar or support bracket in the manhole.
3.3 Sampler base preparation
CAUTION
Biological sample hazard. Follow safe handling protocols
during contact with sample bottles and sampler components.
Disconnect the sampler from power to disable the pump
before handling.
The sampler is set up at the factory with a single bottle or multiple
bottle configuration. To change the bottle configuration:
• Use Figure 2 on page 9 to determine the components that
are required for the selected configuration.
• Install the full bottle shut-off device ( section 3.3.2.1 on page 20 )
or distributor assembly ( section 3.3.3.5 on page 26 ).
3.3.1 Clean the sample bottles
Clean the sample bottles and caps using a brush and water with a
mild detergent before setting up the sampler. Rinse the containers
with fresh water followed by a distilled water rinse. Glass bottles
may also be autoclaved.