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Summary of Contents for Grundfos 189
- Page 1 GRUNDFOS INSTRUCTIONS Vacuum change-over device 189 Installation and operating instructions...
- Page 3 Vacuum change-over device 189 English (GB) Installation and operating instructions ............4 Čeština (CZ)
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Page 4: Table Of Contents
Product description ......5 Should you require further information, please contact Grundfos. Applications ......5 Identification. -
Page 5: Product Description
Production code (year and week) 3.1.1 Intended use Marks of approval The vacuum change-over device 189 is used for combination of two vacuum regulators with one or more dosing regulators. The product Country of origin must only be used for gaseous Cl or gaseous SO . -
Page 6: Technical Data
O-ring Dimensions in mm (inch) 1/2" USA PTFE tape Between product enclosure and connection 4.2 Optional remote indication Change-over device 189 with two reed Variant contacts for remote indication Max. supply voltage 75 / 50 [VDC / VAC] Power consumption... -
Page 7: Commissioning
5. Commissioning 5.1 Installation 5.1.1 Installation example Installation example of a chlorine gas dosing system with vacuum change-over device 189 Pos. Description Pos. Description Gas warning system Chlorine drum support Adsorption filter Gas dosing unit Vacuum regulator with liquid trap... -
Page 8: Checking The Tightness
This section refers to fig. Installation example of a chlorine gas • Open the flexible plastic bottle filled with ammonia water. dosing system with vacuum change-over device 189. Check the tightness of the whole system before startup. • Slightly press the bottle in a pumping manner, allowing the ammonia mist to rise up. -
Page 9: Fault Finding
The variable area flowmeter (fig. In- The diaphragm (fig. Vacuum change-over stallation example of a chlorine gas device 189, pos. 51.26) or O-ring (fig. Vac- dosing system with vacuum change- Replace the defective parts. uum change-over device 189, pos. 51.14) over device 189, pos. -
Page 10: Maintenance
7. Maintenance 7.1 Safety instructions 51.3 Warning Cleaning and maintenance must only be carried out by authorised and qualified staff. Shut down the whole system before any work at the sys- tem components and lines! The system must be pressureless! Wear the stipulated personal protective equipment (pro- 29.5 tective clothing, goggles, respirator etc.) when handling... - Page 11 51.13 51.26 51.26 51.25 51.26 51.13 Reassembling the diaphragm bodies The following steps refer to fig. Inner parts. 4. Replace the two O-rings (51.14) at control piston (18). 5. Insert control piston (18) into diaphragm body (19). Dismantling the enclosure 6.
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Page 12: Spare Parts
17. Replace O-ring (51.3). 18. Fit and align indication glass (2) as shown in fig. Alignment of the indication glass. 19. Fit and tighten thrust collar (1) using an appropriate face spanner. Vacuum change-over device 189 51.3 51.3 29.5 29.5... -
Page 13: Decommissioning
This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. See also end-of-life information at www.grundfos.com/product- recycling. - Page 14 This EU declaration of conformity is only valid for products with remote indication adaptor. This EU declaration of conformity is only valid for products with remote indication adaptor. This EU declaration of conformity is only valid when published as part of the Grundfos installation and operating instructions (publication number 96681321).
- Page 15 The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2019. Standard used: EN IEC 63000:2018 This UK declaration of conformity is only valid when accompanying Grundfos instructions. UK Importer: Grundfos Pumps ltd. Grovebury Road, Leighton Buzzard, LU7 4TL.
- Page 16 Tel.: +387 33 592 480 Centre Turkey Fax: +387 33 590 465 29-33 Wing Hong Street & 68 King Lam GRUNDFOS Pumper A/S GRUNDFOS POMPA San. ve Tic. Ltd. Sti. www.ba.grundfos.com Street, Cheung Sha Wan Strømsveien 344 Gebze Organize Sanayi Bölgesi E-mail: grundfos@bih.net.ba...
- Page 17 96681321 06.2022 ECM: 1334581 www.grundfos.com...
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