Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Grundfos SR
Summary of Contents for Grundfos SR
- Page 1 GRUNDFOS INSTRUCTIONS SR, SF Installation and operating instructions...
- Page 2 Grundfos are subject to the warranty provided by the manufacturer of said products and not by Grundfos’ warranty. Grundfos will not be liable for damage or wear to products caused by abnormal operating conditions, accident, abuse, misuse, unauthorized alteration or repair, or if the product was not installed in accordance with Grundfos’...
-
Page 3: Table Of Contents
Examine your pump carefully to make sure that no damage has occurred during shipment. System overview Your Grundfos SR, SF pump should remain in its shipping carton Applications until it is ready to be installed. This carton has been specially Identification designed to protect the pump from damage. -
Page 4: Identification
104°F (40°C) • as close to the water source as possible to reduce piping Consult Grundfos for higher ambient temperature conditions. losses, e.g. open systems requiring suction lift. Installation of pump and motors in areas where there are vapors, 5.2 Fluid temperature gasses or dusts, flammable or combustible materials, subject to –13°F to +212°F (–25°C to +100°C) -
Page 5: Foundation
When installing the pipes, ensure that the pump housing is not stressed by the pipework. The use of pipe compound or teflon tape on all male threads (SR pumps) or a gasket (SF pumps) is acceptable as a means of providing a positive seal at the pump port conditions. -
Page 6: Bypass
6.8 Bypass Three-phase motors SR, SF pumps with three-phase motors must be used with the Note: The pump is not allowed to run against a closed discharge proper size and type of motor starter to ensure that the motor is... -
Page 7: Starting And Adjusting
This will prevent the shaft seal faces from sticking. contaminated. Motor If Grundfos is requested to service the pump, Grundfos must be The motor should be checked at regular intervals. It is important contacted with details about the pumped liquid, etc. before the to keep the motor clean in order to ensure adequate ventilation. -
Page 8: Troubleshooting
10. Troubleshooting When working with electrical circuits, use caution to avoid electrical shocks. We recommend the use of rubber gloves and boots. Before starting any work on the pump, make sure that metal terminal boxes and motors are properly grounded. Failure to ground the pump may result in serious electrical shock. -
Page 9: Troubleshooting Chart
10.2 Troubleshooting chart Fault Possible cause How to check How to fix 1. Pump does not run. a) No power at motor. Check for voltage at motor ter- If no voltage at motor, check minal box. feeder panel for tripped circuits and reset circuit. - Page 10 Fault Possible cause How to check How to fix 2. Pump runs but at reduced a) Wrong rotation. Check wiring for proper con- Correct wiring. capacity or does not de- nections. liver water. b) Pump is not primed or is Turn pump off, close isolation Refill the pump, replace the plug, air-bound.
-
Page 11: Disposal
Fault Possible cause How to check How to fix 4. Fuses blow or circuit a) Low voltage. Check voltage at starter panel If voltage varies more than breakers or heaters trip and motor. ±10%, contact power company. Check wire sizing. b) Starter overloads are set Cycle pump and measure am- Increase heater size or adjust... - Page 12 U.S.A. Canada Mexico GRUNDFOS Pumps Corporation GRUNDFOS Canada Inc. Bombas GRUNDFOS de Mexico 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 13 Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence 96600184 0805 www.grundfos.com...