Grundfos SQ 1 Installation And Operating Instructions Manual Download Page 27

Page: 27 / 27

96160909

05.2022

ECM: 1334401

www.grundfos.com

rademarks displayed in this material, including but not limited to Grundfos and the Grundfos logo, are registered trademarks owned by The Grundfos Group.

Summary of Contents for SQ 1

Page 1: ...SQ SQE Installation and operating instructions SQ SQE Installation and operating instructions Other languages http net grundfos com qr i 96160909 GRUNDFOS INSTRUCTIONS ...

Page 2: ......

Page 3: ...19 Suomi FI Asennus ja käyttöohjeet 138 Français FR Notice d installation et de fonctionnement 157 Ελληνικά GR Οδηγίες εγκατάστασης και λειτουργίας 176 Hrvatski HR Montažne i pogonske upute 195 Magyar HU Telepítési és üzemeltetési utasítás 214 Italiano IT Istruzioni di installazione e funzionamento 233 Lietuviškai LT Įrengimo ir naudojimo instrukcija 252 Latviešu LV Uzstādīšanas un ekspluatācijas ...

Page 4: ...instruktion 385 Slovensko SI Navodila za montažo in obratovanje 404 Slovenčina SK Návod na montáž a prevádzku 423 Türkçe TR Montaj ve kullanım kılavuzu 442 Українська UA Інструкції з монтажу та експлуатації 461 Bahasa Indonesia ID Petunjuk pengoperasian dan pemasangan 480 Қазақша KZ Орнату жəне пайдалану нұсқаулықтары 499 AR العربية تعليمات التركيب و التشغيل 518 Appendix A 537 4 SQ SQE Table of co...

Page 5: ... 7 3 Removal of non return valve 13 7 4 Fitting the cable plug to the motor 14 7 5 Fitting the cable guard 14 7 6 Cable sizing 15 7 7 Fitting the submersible drop cable 15 7 8 Pipework connection 16 8 Start up 17 9 Operation 17 9 1 Minimum flow rate 17 9 2 Selection of diaphragm tank and setting of precharge pressure and pressure switch 17 9 3 Well system pressure overload 18 9 4 Built in protecti...

Page 6: ...not avoided will result in death or serious personal injury WARNING Indicates a hazardous situation which if not avoided could result in death or seri ous personal injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or mod erate personal injury The text accompanying the three hazard symbols DANGER WARNING and CAUTION is structured in the following way SIGNAL W...

Page 7: ...or instance green houses Liquid transfer in tanks Pressure boosting The SQE NE pumps are designed for pumping thin clean non explosive liquids not containing solid particles or fibres These pumps are suitable for pumping contaminated or hydrogen carbonate containing groundwater e g from dumps chemical depots industrial areas oil and petrol filling stations environmental applications The SQE NE pum...

Page 8: ...orehole diameter Minimum 76 mm Installation depth Maximum 150 m below static water level See also section Installation depths Net weight Maximum 6 5 kg Related information 7 8 2 Installation depths 4 1 Storage Storage temperature 20 C to 60 C 4 1 1 Frost protection If the pump has to be stored after use it must be stored on a frost free location or it must be ensured that the motor liquid is frost...

Page 9: ...ition with an inclination of approx 10 3 Remove the filling plug using a screwdriver or a similar tool 4 Inject motor liquid into the motor with a filling syringe or the like 5 To allow possible air to escape move the motor from side to side 6 Refit the filling plug and make sure it is tight 7 Assemble pump part and motor 8 Refit the cable guard The pump is now ready for installation 5 2 Positiona...

Page 10: ...ortant to observe the maximum liquid temperature of 35 C under all conditions The borehole diameter must be at least 76 mm approx 3 The motor should always be installed above the well screen If a flow sleeve is used the pump may be installed freely in the borehole Do not let the pump run against a closed discharge pipe for more than 5 minutes When the discharge pipe is closed there is no cooling f...

Page 11: ...peration including variation in the supply voltage and losses in cables WARNING Electric shock Death or serious personal injury If the pump is connected to an electric installation where an earth leakage cir cuit breaker ELCB is used as an ad ditional protection this circuit breaker must trip out when earth fault currents with DC content pulsating DC occur The earth leakage circuit breaker must be...

Page 12: ...ersonal injury Before starting any work on the prod uct make sure that the power supply has been switched off and that it can not be accidentally switched on WARNING Contamination when pumping drinking water Death or serious personal injury Before the pump is used for supplying drinking water flush the pump thor oughly with clean water Do not use the pump for drinking water if the internal parts h...

Page 13: ...g Assembly of pump part and motor L 156 mm TM012854 Assembly of pump part and motor Motor P2 kW L mm 0 70 120 1 15 102 1 55 84 1 85 66 When pump part and motor have been assembled correctly there must not be a clearance between pump part and motor 7 3 Removal of non return valve If a pump without non return valve is required the valve can be removed as follows 1 Cut off the legs of the valve guide...

Page 14: ... the motor socket The plug cannot be fitted wrongly See fig Fitting the cable plug onto the motor socket TM029605 Fitting the cable plug onto the motor socket 5 Fit and tighten the four screws 1 1 5 Nm See fig Fitting the cable plug onto the motor socket When the plug has been fitted there must not be a clearance between the motor and the cable plug Related information 6 1 General 7 5 Fitting the ...

Page 15: ...nt Maximum recommended voltage drop According to IEC 60364 5 52 2009 for installation in domestic applications the maximum recommended voltage drop is 5 for cable lengths up to 100 m For installation in industrial applications and in regions where the IEC standard is not applicable local regulations may require that a different maximum value for voltage drop must be used for the calculation of the...

Page 16: ...astic pipes some slackness must be left between each cable clip as plastic pipes expand when loaded Where flanged pipes are used the cable clips should be fitted above and below each joint 7 8 2 Installation depths Maximum installation depth below the static water level 150 metres See fig Pipework connection Minimum installation depths below the dynamic water level Vertical installation During sta...

Page 17: ...esigned for the maximum pump pressure As the pump has a built in soft starter giving a run up time of 2 seconds the pressure at the pressure switch and diaphragm tank during starting will be lower than the pump cut in pressure set on the pressure switch Pcut in This lower pressure is called minimum pressure Pmin Pmin is equal to the desired minimum pressure at the highest tap head and head loss in...

Page 18: ... be found in the table Minimum diaphragm tank size 33 litres Ppre 31 5 m head Pcut in 36 m head Pcut out 50 m head Pmin m Qmax m3 h Ppre m Pcut in m Pcut out m 0 6 0 8 1 1 2 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 Diaphragm tank size litres 25 8 8 18 18 18 18 24 33 33 50 50 50 50 80 80 80 80 80 22 5 26 40 30 8 8 18 18 18 24 33 33 50 50 50 50 80 80 80 80 80 27 31 45 35 8 18 18 18 18 24 33 33 50 5...

Page 19: ...vice tools are available from Grundfos The Grundfos Service Manual is available on request The pumps can be serviced at a Grundfos service centre 10 1 Contaminated pumps If a pump has been used for a liquid which is injurious to health or toxic the pump will be classified as contaminated If Grundfos is requested to service the pump Grundfos must be contacted with details about the pumped liquid et...

Page 20: ...valve is closed Open the valve No water or too low water level in borehole See item 3 a The non return valve is stuck in its closed position Pull out the pump and clean or replace the valve The suction strainer is choked up Pull out the pump and clean the strainer The pump is defective Repair replace the pump 11 3 The pump runs at reduced capacity Cause Remedy The drawdown is larger than anticipat...

Page 21: ...ly Adjust the intervals of the electrodes level switches to ensure suitable time between the cutting in and cutting out of the pump See installation and operating instructions for the automatic devices used If the intervals between stop start cannot be changed via the automatics the pump capacity may be reduced by throttling the discharge valve The non return valve is leaking or stuck half open Pu...

Page 22: ...should when the motor is loaded be within the range specified in section 6 1 General Large variations in supply voltage indicate poor power supply and the pump should be stopped until the defect has been remedied 2 Current consumption TM001372 Measure the current RMS while the pump is operating at a con stant discharge head if possible at the capacity where the motor is most heavily loaded For max...

Page 23: ...st be ensured that no hazard ous material is left in the pump motor and the riser pipe which can be injuri ous to persons and the environment In case of doubt please contact Grundfos or the local authorities 14 Disposing of the product 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 conta...

Page 24: ...illed in SN Pumpunit Model SQ SQE Q m3 h H m Stages P2 motor kW Weight kg Rp Rotation direction MADE IN TM082278 SN PN Model SQ SQE Pumpunit Q m3 h H m Stages P2 motor kW I A P1 kW Weight kg Rp Rotation direction MADE IN TM082237 537 Appendix A ...

Page 25: ... Čajkovského 21 779 00 Olomouc Tel 420 585 716 111 Denmark GRUNDFOS DK A S Martin Bachs Vej 3 DK 8850 Bjerringbro Tel 45 87 50 50 50 Fax 45 87 50 51 51 E mail info_GDK grundfos com www grundfos com DK Estonia GRUNDFOS Pumps Eesti OÜ Peterburi tee 92G 11415 Tallinn Tel 372 606 1690 Fax 372 606 1691 Finland OY GRUNDFOS Pumput AB Trukkikuja 1 FI 01360 Vantaa Tel 358 0 207 889 500 France Pompes GRUNDF...

Page 26: ...d 25 Jalan Tukang Singapore 619264 Tel 65 6681 9688 Faxax 65 6681 9689 Slovakia GRUNDFOS s r o Prievozská 4D 821 09 BRATISLAVA Tel 421 2 5020 1426 sk grundfos com Slovenia GRUNDFOS LJUBLJANA d o o Leskoškova 9e 1122 Ljubljana Tel 386 0 1 568 06 10 Fax 386 0 1 568 06 19 E mail tehnika si grundfos com South Africa GRUNDFOS PTY LTD 16 Lascelles Drive Meadowbrook Estate 1609 Germiston Johannesburg Tel...

Page 27: ...1334401 www grundfos com Trademarks displayed in this material including but not limited to Grundfos and the Grundfos logo are registered trademarks owned by The Grundfos Group 2022 Grundfos Holding A S all rights reserved ...

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