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Related Manuals for ABB 9408 750
Summary of Contents for ABB 9408 750
- Page 1 Dissolved Oxygen Systems Instruction Manual IM/9408_7 9408 Series...
- Page 2 Cert. No. Q 05907 As a part of ABB, a world leader in process automation technology, we offer customers application expertise, service and support worldwide. EN 29001 (ISO 9001) We are committed to teamwork, high quality manufacturing, advanced technology and unrivalled service and support.
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Page 3: Table Of Contents
CONTENTS 1 INTRODUCTION 1 INTRODUCTION .......... 1 The ABB Model 9408 Floating Ball is a dissolved oxygen measuring system primarily for use in sewage treatment works 2 SYSTEM TYPES .......... 2 where fouling of the dissolved oxygen sensor by rags or other 2.1 Unpacking ............ -
Page 4: System Types
2 SYSTEM TYPES 2.1 Unpacking After carefully removing the 9408 system from its packing, check that the following systems include the associated items and that they are in good condition. 2.2 Floating Ball System 2.2.1 Assembled Version The system (9408 700 and 702) is fully assembled with a 3 metre boom except for the oxygen sensor capsule (8012 170). Dimensions are as shown in Fig. -
Page 5: Dip Systems
2 SYSTEM TYPES 2.3 Dip Systems 2.4 Submersible System – Fig. 2.4 2.3.1 Assembled Version – Fig. 2.2 Supplied with 10 metres of cable. 335 mm approx. 265 mm (Water wash approx. option) Ø40 mm Ø40 mm Assembly Complete Oxygen Sensor Capsule Oxygen Sensor Capsule Sealed System Complete part no. -
Page 6: Mechanical Installation
3 MECHANICAL INSTALLATION 3.1 Assembling Kit Systems 3.1.1 Floating Ball – Fig. 3.1 For installation of the assembled unit see Section 3.2.1 Floating Ball System. Information. Pipe requirement (user supplied): O.D. 50 mm, w.t. 3.3 mm (or 1 " N.B. Class E w.t. 4.5mm), pressure rating 10 bar+, and length to suit. -
Page 7: Dip
3 MECHANICAL INSTALLATION… 3.1.2 Dip – Fig. 3.2 For installation of the assembled unit see Section 3.2.2 Dip Systems. Information. Pipe requirement (user supplied): Note. There is no bracket supplied with this kit. O.D. 1.9", 1 " N.B., pressure rating 10 bar+, and cut length to suit. -
Page 8: Installation
…3 MECHANICAL INSTALLATION 3.2 Installation Caution. The system is supplied with the temperature probe and a dummy oxygen capsule fitted into the oxygen sensor body which is in the ball assembly. Before securing the boom to the handrail bracket, unscrew the dummy capsule from the end of the oxygen sensor body and fit the oxygen sensor capsule to the sensor body –... -
Page 9: Dip Systems
3 MECHANICAL INSTALLATION… 3.2.2 Dip Systems – Fig. 3.4 Note. • The standard dip system is supplied with the temperature probe and oxygen sensor body fitted. Before fitting the dip tube to any bracket or fixing, remove the protective shroud, unscrew the dummy capsule from the end of the oxygen sensor body and fit the oxygen sensor capsule to the sensor body (see Section 5.1 Replacing the Oxygen Sensor Capsule) and replace the shroud. -
Page 10: Water Supply For Water Wash Systems
…3 MECHANICAL INSTALLATION 3.3 Water Supply for Water Wash Systems – Fig. 3.6 Note. For optimum performance of the Water Wash function in flow systems, the sample pressure should be Important Note. Installation must only be carried out in at least 2 bars lower than that of the water wash water accordance with the local water authority and council supply. -
Page 11: Electrical Installation
4 ELECTRICAL INSTALLATION 4.2 Calibrating the Sensor – Fig. 4.1 Caution. Cable should be of circular cross-section and The procedures for zero and span calibration are fully of sufficient diameter to effect a seal inside the cable described in the 4600 Series Transmitter Unit Operating glands. -
Page 12: Maintenance
5 MAINTENANCE 5.1 Replacing the Oxygen Sensor Capsule Storage DO NOT: — allow sensors to dry out, either in storage or in use. — use sensors in date rotation to prevent them being — leave sensors in vehicles where they are likely to freeze or stored longer than necessary. -
Page 13: Dip Systems
5 MAINTENANCE… 5.1.2 Dip Systems 4) Remove the self tap screw and pull off the end cap. The procedure is identical to that for the Floating Ball System except that, in this case, it is only necessary to remove and replace the 5) Draw the cable through the gland. -
Page 14: Submersible Systems
6 SPECIFICATION …5 MAINTENANCE 5.2.3 Submersible Systems Sensor Type: ........ 8012-170 sensor capsule. Submersibles are sealed systems and apart from sensor capsule replacement, no other maintenance is possible. Response: Typically 20 seconds for 90% of a step change of oxygen concentration at 20°C. -
Page 15: Spare Parts List
7 SPARE PARTS LIST 7.1 Floating Ball System N . o N . o N . o N . o l l a e i l l a i l a i Table 7.1 Floating Ball Spares List Bracket assembly (with Swivel Kit) Fig. -
Page 16: Appendix A - Support Bracket Conversion
APPENDIX A – SUPPORT BRACKET CONVERSION A1 Kit Parts List – Fig. A.1 A2 Conversion Procedure – Fig. A.2 1) Discard the upper 'U' bolts from the standard bracket. Table A.1 Contents of Conversion Kit 2) Assemble the items from the conversion kit shown in Table A.1 and Fig. - Page 17 NOTES...
- Page 18 NOTES...
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- Page 20 ABB has Sales & Customer Support The Company’s policy is one of continuous product improvement and the right is reserved to modify the expertise in over 100 countries worldwide information contained herein without notice. www.abb.com Printed in UK (05.05) © ABB 2005 ABB Limited ABB Inc.