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Summary of Contents for Grundfos HS Series
- Page 1 GRUNDFOS INSTRUCTIONS Horizontal, single-stage end suction pumps Installation and operating instructions...
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Page 2: Table Of Contents
The pump should be located in a dry, well-ventilated area which is not subject to freezing or extreme variations in Your Grundfos HS End Suction pump is of the utmost temperature. Care must be taken to ensure that the pump quality. - Page 3 The standard discharge position for Grundfos Series HS pumps is vertical (upward). To simplify pumping connections, however, the pump volute may be rotated to optional positions.
- Page 4 Motor Wire sizes should be based on the current carrying proper- Grundfos HS pumps are supplied with heavy-duty 2-pole ties of a conductor as recommended by the latest edition of 3450 RPM, ODP or TEFC NEMA C frame motors selected the National Electric Code or local regulations.
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Page 5: Startup
The overload should be sized and adjusted to the current Check motor rotation rating of the motor. 1. Make sure power is off. 2. Check to make sure the pump has been filled and Under no circumstances should the overloads vented. -
Page 6: Operation And Maintenance
See motor nameplate for Operation Severe +122°F (+50°C) Moderate dirt, corrosion grease type or compatible When Grundfos HS centrifugal pumps are installed in Extreme >+122°F (+50°C) Severe dirt, abrasive equivalent type or Class H insulation dust, corrosion of grease accordance with these instructions and sized for correct performance, they will operate efficiently and provide years of service. - Page 7 Disassembly 1. Using the proper allen wrench, loosen the set screw(s) in the coupling. 2. With the correct size wrench, loosen and remove the four bolts which hold the motor to the discharge sec- tion of the pump end motor support. 3.
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Page 8: Parts Lists And Diagrams
TABLE D: Repair Kits Shaft Seal & Gasket Kits HS 100 & 125 (Buna-N) Part No. 47U08900 HS 100 & 125 (FKM) Part No. 47U08901 HS 150 (Buna-N) Part No. 47U08903 HS 150 (FKM) Part No. 47U08904 Repair Kits HS 100 & 125 (Buna-N) Part No. - Page 9 Part Lists and Diagrams (Model B) HS 150 2020 to HS 150 3030 Pos.No. Description # Used Part No. * Motor Stool, 56C Frame 47U09002 Pump Base 47U09006 1” Type 21 John Crane Seal See Kits Stub Shaft, 416ss 47U09016 Impeller - HS 150 2020 47U09045 Impeller - HS 150 3030...
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Page 10: Troubleshooting
This page intentionally left blank. Troubleshooting WHEN WORKING WITH ELECTRICAL CIRCUITS, USE CAUTION TO AVOID ELECTRICAL SHOCK. It is recommended that rub- ber gloves and boots be worn, and metal terminal boxes and motors be properly grounded before any work is done. WARNING: Failure to ground the pump may result in serious electrical shock. - Page 11 Troubleshooting Chart Fault Possible causes How to check How to fix A. Pump does not run. 1. No power at motor. Check for voltage at motor If no voltage at motor, check terminal box. feeder panel for tripped cir- cuits and reset circuit. 2.
- Page 12 Troubleshooting Chart Fault Possible causes How to check How to fix C. Pump cycles too much 1. Pressure switch is not prop- Check pressure setting on Readjust switch or replace if erly adjusted or is defective. switch and operation. Check defective.
- Page 13 GRUNDFOS’ liability under this warranty shall be limited to repairing or replacing at GRUNDFOS’ option, without charge, F.O.B. GRUNDFOS’ factory or authorized service sta- tion, any product of GRUNDFOS’ manufacture. GRUNDFOS will not be liable for any costs of removal, installation, transportation, or any other charges which may arise in connection with a warranty claim.
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- Page 15 U.S.A. Canada México GRUNDFOS Pumps Corporation GRUNDFOS Canada Inc. Bombas GRUNDFOS de México S.A. de C.V. 17100 West 118th Terrace 2941 Brighton Road Boulevard TLC No. 15 Olathe, Kansas 66061 Oakville, Ontario Parque Industrial Stiva Phone: +1-913-227-3400 L6H 6C9 Aeropuerto...
- Page 16 Innovation is the essence L-EP-TL-002 06.11 Repl. 07.04 © 2000, 2004 Grundfos Pumps Corp. The name Grundfos, the Grundfos logo, and the payoff Be–Think–Innovate are registrated trademarks owned by Grundfos Management A/S or Grundfos A/S, Denmark. All rights reserved worldwide. www.grundfos.com...
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