Hach AS950 Installation And Maintenance Manual
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Hach AS950 Installation And Maintenance Manual

Refrigerated sampler
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DOC346.53.80501
AS950 Refrigerated Sampler
AS950 AWRS
04/2021, Edition 6
Installation and Maintenance

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  • Page 1 DOC346.53.80501 AS950 Refrigerated Sampler AS950 AWRS 04/2021, Edition 6 Installation and Maintenance...

  • Page 3: Table Of Contents

    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 ..................
  • Page 4 Table of Contents...

  • Page 5: Section 1 Specifications

    Section 1 Specifications Specifications are subject to change without notice. 1.1 Refrigerated Sampler and All Weather Refrigerated Sampler (AWRS) Specification Refrigerated Sampler AWRS Dimensions (W x D x 61 x 61 x 112 cm (24 x 24 x 76 x 81 x 130 cm (30 x 32 x 51 in.) 44 in.) Weight 63.3 kg (140 lb)

  • Page 6: As950 Controller

    1.9 L (0.5 gal) glass, twelve 2 L (0.5 gal) polyethylene (AWRS only), twenty- four 1 L (0.3 gal) polyethylene and/or 350 mL (12 oz.) glass Certifications AC power supply: cETLus, CE 1.2 AS950 controller Specification Details Dimensions (W x H x D) 31.1 x 18.9 x 26.4 cm (12.3 x 7.4 x 10.4 in.)
  • Page 7 Specification Details Sample volume repeatability ±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m (typical) (16 ft) of -in. vinyl intake tube, single bottle, full bottle shut-off at room temperature and 1524 m (5000 ft) elevation Sample volume accuracy ±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m (typical)

  • Page 8: Section 2 General Information

    Figure 1 Refrigerated sampler and AWRS dimensions Section 2 General information In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential damages resulting from any defect or omission in this manual. The manufacturer reserves the right to make changes in this manual and the products it describes at any time, without notice or obligation.

  • Page 9: Use Of Hazard Information

    Make sure that the protection provided by this equipment is not impaired. Do not use or install this equipment in any manner other than that specified in this manual. 2.1.1 Use of hazard information D A N G E R Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.

  • Page 10: Compliance And Certification

    This symbol indicates that the object is heavy. This symbol indicates that the marked item requires a protective earth connection. If the instrument is not supplied with a ground plug on a cord, make the protective earth connection to the protective conductor terminal. Electrical equipment marked with this symbol may not be disposed of in European domestic or public disposal systems.

  • Page 11: Product Overview

    2.2 Product overview D A N G E R Chemical or biological hazards. If this instrument is used to monitor a treatment process and/or chemical feed system for which there are regulatory limits and monitoring requirements related to public health, public safety, food or beverage manufacture or processing, it is the responsibility of the user of this instrument to know and abide by any applicable regulation and to have sufficient and appropriate mechanisms in place for compliance with applicable regulations in the event of malfunction of the instrument.

  • Page 12: Product Components

    2.3 Product components W A R N I N G Personal injury hazard. Instruments or components are heavy. Use assistance to install or move. The instrument weighs a maximum of 86 kg (190 lb). Do not try to unpack or move the instrument without sufficient equipment and people to do it safely.

  • Page 13: Site Installation Guidelines

    3.1 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.

  • Page 14: Install Multiple Bottles

    Figure 5 Single bottle installation 3.2.3 Install multiple bottles When multiple bottles are installed, a distributor arm moves the sample tube over each bottle. Sample collection automatically stops when the specified number of samples are collected. 1. Assemble the sample bottles as shown in Figure 6.

  • Page 15: Plumb The Sampler

    Figure 6 Multiple bottle installation 1 Retainer for 24 1-L poly 4 Bottle tray for 8 to 24 bottles 7 Front of sampler bottles 2 Retainer for 24 350-mL 5 Slot for bottle tray 8 Removable tray (AWRS glass bottles only) 3 Bottle one indicator 6 Floor of refrigerated...
  • Page 16 • Keep the intake tube at a maximum vertical slope so that the tube drains completely between samples. Note: If a vertical slope is not possible or if the tube is pressurized, disable the liquid detector. Calibrate the sample volume manually. •...

  • Page 17: Electrical Installation

    Figure 9 Site installation 1 Strainer 2 Vertical lift 3 Mounting surface 3.4 Electrical installation 3.4.1 Connect the sampler to power D A N G E R Electrocution hazard. If this equipment is used outdoors or in potentially wet locations, a Ground Fault Circuit Interrupt (GFCI/GFI) device must be used for connecting the equipment to its main power source.

  • Page 18: Controller Connections

    2. Connect the other end of the cable to the AUX I/O port on the controller. 3.4.4 Connect a non-Hach flow meter To connect a non-Hach flow meter to the AUX I/O port, do the steps that follow. Items to collect: Multi-purpose auxiliary half cable, 7 pin 1.
  • Page 19 Figure 11 Auxiliary connector Table 1 Half cable wiring information Pin Signal Color Description Rating +12 VDC White Power supply positive output. Battery power to the I/O module: power Only use with pin 2. 12 VDC nominal; Power supply to the output I/O module: 15 at 1.0 A maximum.
  • Page 20 0.2 A maximum Refer to the Mode setting of Active high output: 15 VDC nominal the hardware settings for the with AC power to the AS950 controller AUX I/O port. Refer to the or a 12 VDC nominal with battery AS950 operations power to the AS950 controller.

  • Page 21: Connect A Sensor

    Table 1 Half cable wiring information (continued) Pin Signal Color Description Rating Program Green Typical state: open circuit. This output is an open drain output with Complete This output goes to ground 18 V zener clamp diode for over- output for 90 seconds at the end of voltage protection.

  • Page 22: Preparation For Use

    4.2 Preparation for use Install the analyzer bottles and stir bar. Refer to the operations manual for the startup procedure. Section 5 Maintenance D A N G E R Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the document.

  • Page 23: Replace The Desiccant

    5.2 Replace the desiccant A desiccant cartridge in the controller absorbs moisture and prevents corrosion. Monitor the desiccant color through the window. Refer to Figure 13. Fresh desiccant is orange. When the color is green, replace the desiccant. 1. Unscrew and remove the desiccant cartridge. Refer to Figure 2.
  • Page 24 Figure 14 Pump tubing preparation 1 To intake tubing 7 Length for the refrigerated sampler 2 Alignment dots 8 Length for the AWRS 3 To fitting on sampler base 9 Length for refrigerated sampler and controller with standard liquid detector 4 Length for controller with standard liquid 10 Length for refrigerated sampler and detector...
  • Page 25 English 23...

  • Page 26: Clean The Rotor

    5.3.2 Clean the rotor Clean the rotor, pump tube tracks and pump housing with a mild detergent. Refer to Replace the pump tubing on page 21 and the illustrated steps that follow. 24 English...

  • Page 27: Replace The Distributor Arm Tube

    5.4 Replace the distributor arm tube The distributor arm moves over each bottle during multiple bottle sampling. Replace the tube in the distributor arm when the tube is worn. Make sure that the correct tube is used for the correct distributor and distributor arm.

  • Page 28: Disposal

    To replace the power supply for the refrigerated sampler, refer to Figure Figure 16 Power supply replacement 5.6 Disposal D A N G E R Child entrapment hazard. Remove the doors on the refrigerated cabinet before disposal. C A U T I O N Chemical exposure hazard.

  • Page 29: Section 7 Replacement Parts And Accessories

    Table 2 Troubleshooting table (continued) Problem Possible cause Solution Sampler does not have Strainer is not completely Install the shallow depth strainer sufficient lift. submerged. (2071 or 4652). Intake tube has a leak. Replace the intake tube. Pump tube is worn. Replace the pump tubing on page 21.

  • Page 30: Bottle Kits-Awrs

    2316 7.4 Replacement parts—refrigerated sampler and AWRS Description Quantity Item no. AS950 controller retrofit kit, AWRS 9504900 AS950 controller retrofit kit, refrigerated sampler 9505000US Bottle tray, 8 to 24 bottles 1511 Desiccant, refill 0.56 kg (1.5 lb) 8755500 Desiccant cap assembly...

  • Page 31: Accessories-Refrigerated Sampler

    7.4 Replacement parts—refrigerated sampler and AWRS (continued) Description Quantity Item no. Desiccant tube assembly with silicone grease 8755600 packet Insert, refrigerated sampler 2038 Pump cover 8755400 Pump, replacement assembly 6262000 Full bottle shut-off 8996 Power supply, 3-pin connector, 100–120 VAC 8754500US Retainer for 24 1-L poly bottles 1322...

  • Page 32: Accessories-Awrs

    7.5 Accessories—refrigerated sampler (continued) Description Quantity Item no. Distributor arm for assembly 8562, with tubing 8563 Distributor arm for assembly 8565, with tubing 8566 Distributor arm for assembly 8568, with tubing 8569 Distributor arm for assembly 8562 1782 Distributor arm for assembly 8565 1785 Distributor arm for assembly 8568 1789...

  • Page 33: Accessories-Refrigerated Sampler And Awrs

    7.6 Accessories—AWRS (continued) Description Quantity Item no. Distributor arm for assembly 8843 1789 Distributor arm tubing, 546.1 mm (21.5-in.), for assembly 8579 8841 (arm 8822) Distributor arm tubing, 546.1 mm (21.5-in.), for assembly 8850 8842 (arm 1785) Distributor arm tubing, 5.8 mm (20-in.), for assembly 8852 8843 (arm 1789) Pull-out tray...
  • Page 34 7.7 Accessories—refrigerated sampler and AWRS (continued) Description Item no. Rain gauge, tipping bucket, includes 30.5 m (100 ft) 7-pin cable 8542800 Sensor, pHD, digital, used with 9501200 DPD2P1 Sensor, US9001, downlooking ultrasonic 9487100 Sensor, US9001B, downlooking ultrasonic 9088800 Sensor, US9003, in-pipe ultrasonic 9497300 Sensor, subAV, used with AV9000 interface 77065-030...
  • Page 36 Tel. +49 (0) 2 11 52 88-320 SWITZERLAND Fax (970) 669-2932 Fax +49 (0) 2 11 52 88-210 Tel. +41 22 594 6400 orders@hach.com info-de@hach.com Fax +41 22 594 6499 www.hach.com www.de.hach.com © Hach Company/Hach Lange GmbH, 2015-2017, 2021. All rights reserved. Printed in U.S.A.

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