Grundfos SQ Installation And Operating Instructions Manual
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- Installation manual ,
- Installation and operating instructions manual (420 pages) ,
- Data book (40 pages)
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Summary of Contents for Grundfos SQ
- Page 1 GRUNDFOS INSTRUCTIONS SQ, SQE Installation and operating instructions SQ, SQE Installation and operating instructions Other languages http://net.grundfos.com/qr/i/96160909...
- Page 3 SQ, SQE English (GB) Installation and operating instructions ........4...
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Page 4: Table Of Contents
The symbols and hazard statements below may Fitting the submersible drop cable ..13 appear in Grundfos installation and operating Pipework connection ... . . 13 instructions, safety instructions and service Start-up . -
Page 5: Notes
1.2 Notes 2.2 Generator operation The symbols and notes below may appear in It is safe to operate the SQ/SQE with a generator. Grundfos installation and operating instructions, The pump can safely be operated with a generator safety instructions and service instructions. -
Page 6: Installation Requirements
The maximum sand content of the water must not exceed 50 g/m . A larger sand content will result in pump lifetime reduction and in blockage. Installation depth Before pumping liquids with higher viscosity than water, contact Grundfos. Dynamic water level must be above the pump. -
Page 7: Liquid Temperatures And Cooling
If the actual temperature of the pumped liquid pump overheat. exceeds the specified value or the operating conditions otherwise fall outside the specified conditions, the pump may stop. Contact Grundfos. 3.5 Liquid temperatures and cooling SQ/SQE pump in a borehole Pos. Description... -
Page 8: Selection Of Diaphragm Tank, Precharge Pressure Setting And Pressure Switch
‐ 3.6 Selection of diaphragm tank, precharge The installation must be designed for the maximum pump pressure. pressure setting and pressure switch The pump has a built-in soft starter providing 2 WARNING seconds run-up time. Therefore the pressure at the Pressurised system pressure switch and diaphragm tank during start Death or serious personal injury... -
Page 9: Well System Pressure Overload
3.7 Well system pressure overload To prevent overpressure, install a pressure relief valve downstream of the well head. The setpoint of the pressure relief valve must be at least 30 psi above the pressure setting. If a relief valve is installed, make sure it is connected to an appropiate drainage point. Using P and Q , the minimum diaphragm tank size, precharge pressure and pressure switch settings can... -
Page 10: Installing The Product
The supply voltage, rated maximum current and power factor (PF) appear from the motor nameplate. The required voltage for Grundfos submersible motors, measured at the motor terminals, is -10 % to +6 % of the nominal voltage during continuous operation including variation in the supply voltage and losses in cables. -
Page 11: Preparation
If for any reason the motor liquid has been drained or value. lost, the motor must be refilled with motor liquid. On SQ/SQE pumps, a leakage current of 3.5 mA at 230 V, 50 Hz, can typically be measured. The leakage Use Grundfos motor liquid SML 3. -
Page 12: Motor Protection
1. Make sure that the submersible drop cable lies flat in the cable guard. Specific resistance of the drop cables The specific resistance of the drop cables supplied by Grundfos for SQ and SQE pumps is 0.02 Ω mm... -
Page 13: Fitting The Submersible Drop Cable
4.5 Fitting the submersible drop cable Connect the submersible drop cable and the motor cable with a type KM Grundfos cable termination kit. Connect the submersible drop cable and the motor cable with a type KM Grundfos cable termination kit. - Page 14 Pipework connection Pos. Description Cable clips Straining wire Static water level Maximum 150 m 4.6.1 Cable clips Cable clips must be fitted every 3 metres. When connecting plastic pipes, fit the cable clips loosely as plastic pipes expand when loaded. Where flanged pipes are used, fit the cable clips above and below each joint.
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Page 15: Start-Up
Assembly of pump part and motor, showing 6. Maintenance and service available area for clamping Service kits, service tools and the Grundfos Service Manual are available on request from Grundfos. The pumps can be serviced at a Grundfos service Motor (P2) centre. [kW] [mm] 6.1 Contaminated pumps... -
Page 16: Removal Of Non-Return Valve
Do not store the pump without motor liquid in it. 3. Check that all loose parts fall out of the pump. The non-return valve can be fitted in a Grundfos service workshop. 6.4 Fitting the cable plug to the motor... -
Page 17: Fault Finding
8. Fault finding DANGER Electric shock Death or serious personal injury ‐ Before starting any work on the product, make sure that the power supply has been switched off and that it cannot be accidentally switched on. 8.1 The pump does not run Cause Remedy The fuses in the electric installation are blown. -
Page 18: Frequent Starts And Stops
Cause Remedy Leakage in the pipework. Check and repair the pipework. The riser pipe is defective. Replace the riser pipe. Undervoltage has occurred. Check the power supply. 8.4 Frequent starts and stops Cause Remedy The differential of the pressure switch between the Increase the differential. -
Page 19: Tests Not Allowed
8.7 Tests not allowed Do not use insulation or high voltage testers. Use a true RMS instrument. -
Page 20: Checking The Power Supply
9. Checking the power supply DANGER Electric shock Death or serious personal injury ‐ Before starting any work on the product, make sure that the power supply has been switched off and that it cannot be accidentally switched on. 1. Supply voltage Measure the voltage (RMS) The voltage should be 1 ×... -
Page 21: Technical Data
Maximum 35 °C. Pump outlet size See also end-of-life information at SQ 1, SQ 2, SQ 3: Rp 1 1/4. www.grundfos.com/product-recycling. SQ 5, SQ 7: Rp 1 1/2. 13. Document quality feedback Pump diameter To provide feedback about this document, scan the 74 mm. - Page 22 Appendix A A.1. Appendix Nameplates to be filled in Pumpunit: Model: Model: SQ/SQE SQ/SQE /h H: Pumpunit: Stages: Stages: P2 motor: /h H: A P1: Weight: P2 motor: Weight: MADE IN MADE IN Rotation direction Rotation direction...
- Page 23 Argentina Colombia Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Colombia S.A.S. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500industin Km 1.5 vía Siberia-Cota Conj. Potrero Unit 1, Ground floor, Siu Wai industrial 1619 - Garín Pcia. de B.A.
- Page 24 Lithuania Serbia Turkey GRUNDFOS Pumps UAB Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. Smolensko g. 6 Omladinskih brigada 90b Sti. LT-03201 Vilnius 11070 Novi Beograd Gebze Organize Sanayi Bölgesi Tel.: + 370 52 395 430 Tel.: +381 11 2258 740...
- Page 25 96160909 11.2024 ECM: 1387260 www.grundfos.com...
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