Hach AS950 AWRS, Installation And Maintenance Manual

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Table of Contents
Section 1 Specifications
........................................................................................ 3
1.1 Refrigerated Sampler and All Weather Refrigerated Sampler (AWRS) ................ 3
1.2 AS950 controller ................................................................................................... 4
Section 2 General information
............................................................................ 6
2.1 Safety information................................................................................................. 6
2.1.1 Use of hazard information .......................................................................... 7
2.1.2 Precautionary labels ................................................................................... 7
2.1.3 Compliance and certification ...................................................................... 8
2.2 Product overview .................................................................................................. 9
2.3 Product components ........................................................................................... 10
Section 3 Installation
............................................................................................. 10
3.1 Site installation guidelines .................................................................................. 11
3.2 Prepare the sampler ........................................................................................... 11
3.2.1 Clean the sample bottles .......................................................................... 11
3.2.2 Install a single bottle ................................................................................. 11
3.2.3 Install multiple bottles ............................................................................... 12
3.3 Plumb the sampler .............................................................................................. 13
3.4 Electrical installation ........................................................................................... 15
3.4.1 Connect the sampler to power .................................................................. 15
3.4.2 Controller connections .............................................................................. 16
3.4.3 Connect a Sigma 950 or FL900 ................................................................ 16
3.4.4 Connect a non-Hach flow meter ............................................................... 16
3.4.5 Connect a sensor ..................................................................................... 19
Section 4 Startup
..................................................................................................... 19
4.1 Set the instrument to on...................................................................................... 19
4.2 Preparation for use ............................................................................................. 20
Section 5 Maintenance
......................................................................................... 20
5.1 Clean the instrument ........................................................................................... 20
5.2 Replace the desiccant ........................................................................................ 21
5.3 Pump maintenance ............................................................................................. 21
5.3.1 Replace the pump tubing .......................................................................... 21
5.3.2 Clean the rotor .......................................................................................... 24
5.4 Replace the distributor arm tube ......................................................................... 25
5.5 Replace the power supply—refrigerated sampler ............................................... 25
5.6 Disposal .............................................................................................................. 26
Section 6 Troubleshooting
................................................................................. 26
6.1 General troubleshooting ..................................................................................... 26
Section 7 Replacement parts and accessories
......................................... 27
7.1 Bottle kits—refrigerated sampler ........................................................................ 27
7.2 Bottle kits—AWRS.............................................................................................. 28
7.3 Bottle sets—refrigerated sampler and AWRS .................................................... 28
7.4 Replacement parts—refrigerated sampler and AWRS ....................................... 28
7.5 Accessories—refrigerated sampler ..................................................................... 29
7.6 Accessories—AWRS......................................................................................... 30
7.7 Accessories—refrigerated sampler and AWRS .................................................. 31
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