Hach AS950 AWRS, Basic Installation And Maintenance

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Site installation guidelines
D A N G E R
Explosion hazard. The instrument is not approved for installation in hazardous locations.
This instrument is rated for an altitude of 2000 m (6562 ft) maximum. Although the use of this
equipment above the 2000 m altitude does not show any substantial safety concern, the
manufacturer recommends that users with concerns contact technical support.
• Only install the refrigerated sampler in an indoor location. Install the AWRS in an indoor or outdoor
location.
• Make sure that the temperature at the location is in the specification range. Refer to Specifications
on page 3.
• Install the sampler on a level surface. Adjust the sampler feet to make the sampler level. Refer to
Figure 1 on page 6 for the sampler dimensions.
• Use the installed anchor brackets and user-supplied
3
/
8
-in. bolts for the AWRS. Refer to Figure 4 .
• Plumb a drain tube to the ½ in.-14 NPT female connector on the bottom of the sampler.
Figure 4 AWRS anchor bracket locations with mounting dimensions
1 Optional anchor brackets 2 Anchor brackets (2x)
Prepare the sampler
Clean the sample bottles
Clean the sample bottles and caps with a brush, water and a mild detergent. Flush the sample
bottles with fresh water followed by a distilled water rinse.
Install a single bottle
When a single bottle is used to collect one composite sample, do the steps that follow. When multiple
bottles are used, refer to
Install multiple bottles on page 12.
When the bottle is full, the full bottle shut-off stops the sampling program. Install the sample bottle as
shown in
Figure 5 .
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