Grundfos CRN 125-11 Installation And Operating Instructions Manual Download Page 16 | Manualshive

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3.1.9 Tightening torques

WARNING
Flange gasket blowout

Death or serious personal injury

‐

Tighten flange bolts according to the
specified torque values.

WARNING
Falling objects

Death or serious personal injury

‐

Tighten the base plate anchor bolts ac-
cording to the specified torque values.

The tables show the recommended torques for base
plate anchor bolts and flange bolts.
The bolt quality must be minimum class 5.8 except for
CR, CRN 95 with optional small base plate which
must be minimum class 8.8.

CR, CRN

Base plate anchor bolts

Bolt size

Torque [Nm]

95 with op-
tional small
base plate

M12

(Ø14 free hole)

65

95

M16

(Ø18 free hole)

100

125-155

M20

(Ø22 free hole)

90

1

190

2

185-255

M24

(Ø26 free hole)

130

1

Applies for pumps fitted with motors up to and including 55 kW.

2

Applies for pumps fitted with motors of 75 kW and up.

CR, CRN

Flange bolts

(DIN/EN, JIS, ANSI)

Bolt size

Torque [Nm]

95

M16

30

M20

90

125-155

M20

90

M24

230

185-255

M20

90

M24

230

M27

300

16

English (GB)

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Summary of Contents for CRN 125-11

Page 1: ...CR CRN 95 255 50 60 Hz IEC Installation and operating instructions CR CRN 95 255 Installation and operating instructions Other languages http net grundfos com qr i 99078486 GRUNDFOS INSTRUCTIONS ...

Page 2: ......

Page 3: ...to 189 Suomi FI Asennus ja käyttöohjeet 217 Français FR Notice d installation et de fonctionnement 247 Ελληνικά GR Οδηγίες εγκατάστασης και λειτουργίας 278 Hrvatski HR Montažne i pogonske upute 310 Magyar HU Telepítési és üzemeltetési utasítás 341 Italiano IT Istruzioni di installazione e funzionamento 372 Lietuviškai LT Įrengimo ir naudojimo instrukcija 403 Latviešu LV Uzstādīšanas un ekspluatāci...

Page 4: ...lovensko SI Navodila za montažo in obratovanje 647 Slovenčina SK Návod na montáž a prevádzku 677 Türkçe TR Montaj ve kullanım kılavuzu 708 Українська UA Інструкції з монтажу та експлуатації 736 中文 CN 安装和使用说明书 767 Norsk NO Installasjons og driftsinstruksjoner 793 Íslenska IS Uppsetningar og notkunarleiðbeiningar 823 AR العربية تعليمات التركيب و التشغيل 853 Appendix A 880 4 CR CRN 95 255 Table of co...

Page 5: ...uns but gives no water 29 8 7 The pump runs backwards when switched off 29 8 8 Leakage in the shaft seal 29 8 9 Noise 29 9 Technical data 30 9 1 Operating conditions 30 9 2 Dimensions and weights 31 9 3 Electrical data 31 9 4 Sound pressure level 31 10 Disposing of the product 32 1 General information These installation and operating instructions describe Grundfos CR CRN 95 to 255 Sections 1 4 giv...

Page 6: ...ing objects Death or serious personal injury Keep the product in a stable and fixed position during transportation Wear personal protective equipment 2 2 Unpacking the product WARNING Falling objects Death or serious personal injury Keep the product in a stable position during unpacking Wear personal protective equipment 2 3 Inspecting the product Before you install the product do the following 1 ...

Page 7: ...umps See section Lifting of pumps fitted with MGE motors Related information 2 4 1 Position of lifting brackets 2 4 2 Lifting the motor off the pump 2 4 4 Lifting the product in horizontal position 2 4 5 Raising or laying down the product 2 4 6 Lifting the product in vertical position 2 4 3 Lifting of pumps fitted with MGE motors 2 4 1 Position of lifting brackets A B TM072254 Position of lifting ...

Page 8: ...ith MGE motors A Incorrect lifting of pump with MGE motor B Correct lifting of pump with MGE motor 2 4 4 Lifting the product in horizontal position TM068773 Horizontal lift of pumps with 5 5 kW Grundfos MG and MGE motors See also section Lifting of pumps fitted with MGE motors TM068774 Horizontal lift of pumps with 7 5 22 kW Grundfos MG and MGE motors See also section Lifting of pumps fitted with ...

Page 9: ...ors See also section Lifting of pumps fitted with MGE motors TM068743 Raising or laying down pumps with 7 5 22 kW Grundfos MG and MGE motors See also section Lifting of pumps fitted with MGE motors TM068742 Raising or laying down pumps with 5 5 200 KW motors of other makes than Grundfos MG and MGE TM068745 Raising or laying down pumps without motor Related information 2 4 3 Lifting of pumps fitted...

Page 10: ... pumps with 5 5 kW Grundfos MG and MGE motors TM068598 Vertical lift of pumps with 7 5 22 kW Grundfos MG and MGE motors TM068599 Vertical lift of pumps with 5 5 200 KW motors of other makes than Grundfos MG and MGE TM068162 Vertical lift of pumps without motor 10 English GB ...

Page 11: ...ifting equipment which is ap proved for the weight of the product Persons must keep a safe distance to the product during lifting operations Wear personal protective equipment For lifting instructions see section Lifting the product Related information 2 4 Lifting the product 3 1 2 Drive end motor bearing Make sure to use the correct type of drive end DE motor bearing for the bare shaft pump Pleas...

Page 12: ...void bearing current when operating the pump with VFD Grundfos recommends using an isolated bearing system for the following motor sizes 2 pole motors 45 kW 4 pole motors 37 kW Some installations may require protection at lower motor power due to either insuffi cient grounding liquid influencing the grounding of the motor or the combination of motor brand and frequency converter 3 1 5 Installation...

Page 13: ...acket You can fit the bracket from the motor stool to the bulkhead of the ship a rigid wall in a building or to a rigid part 4 TM020116 To minimise possible noise from the pump we recommend that you fit ex pansion joints on either side of the pump Build a foundation and carry out mechanical installation as described in section Foundation Fit isolating valves on either side of the pump to avoid dra...

Page 14: ...unting Note that for pumps with motor size below or equal to 30 kW the length and width of the foundation must be 200 mm larger than the base plate For pumps with motor size equal to 37 kW or above the length and width must always be 1 5 x 1 5 Lf x Wf m L h W f Lf f f TM070574 Foundation horizontal mounting The foundation length and width must always be 200 mm larger than the length and width of t...

Page 15: ... as shown in fig Pump on vibration dampers For pumps with motor size equal to 37 kW or above you can use a Sylomer plate as shown in fig Pump on Sylomer plate 1 2 1 TM067999 Pump on vibration dampers Pos Description 1 Expansion joints 2 Vibration dampers 1 2 1 TM068000 Pump on Sylomer plate Pos Description 1 Expansion joints 2 Sylomer plate 3 1 8 Outdoor installation When the pump is installed out...

Page 16: ...lt quality must be minimum class 5 8 except for CR CRN 95 with optional small base plate which must be minimum class 8 8 CR CRN Base plate anchor bolts Bolt size Torque Nm 95 with op tional small base plate M12 Ø14 free hole 65 95 M16 Ø18 free hole 100 125 155 M20 Ø22 free hole 901 1902 185 255 M24 Ø26 free hole 130 1 Applies for pumps fitted with motors up to and including 55 kW 2 Applies for pum...

Page 17: ...the material quality Force limits for CR pumps Flange DN mm CR Force Y direction N Force Z direction N Force X direction N 100 95 1256 1013 1125 150 125 and 155 1875 1519 1688 200 185 215 and 255 2513 2025 2250 Force limits for CRN pumps Flange DN mm CRN Force Y direction N Force Z direction N Force X direction N 100 95 2513 2025 2250 150 125 and 155 3750 3038 3375 200 185 215 and 255 5025 4050 45...

Page 18: ...ose to the pump and to a mo tor protective circuit breaker or a CUE frequency converter Make sure you can lock the main switch in OFF posi tion isolated Type and requirements as specified in EN 60204 1 5 3 2 WARNING Electric shock Death or serious personal injury Connect the pump to the same protec tive earth PE potential as the motor if both motor bearings are of the insula ted type such as ceram...

Page 19: ...equipment Pay attention to the direction of the vent hole when you fill the pump with liquid and vent it Make sure that no persons are hurt by the escaping liquid Fill the pump with liquid and vent it before you start the pump Pay attention to the direction of the vent hole during liquid filling and venting Make sure that the escaping liquid does not cause damage to the motor or other com ponents ...

Page 20: ...ection of rotation of the pump on the motor fan cover TM066884 4 Start the pump and check the direction of rotation TM066885 5 Vent the pump by means of the vent valve in the pump head At the same time open the outlet isolating valve a little TM066886 6 Continue to vent the pump At the same time open the outlet isolating valve a little more TM066887 7 Close the vent valve when a steady stream of l...

Page 21: ...tarted Under normal conditions the leaking liquid will evaporate As a result no leakage will be detected 5 Product introduction 5 1 Identification 5 1 1 Nameplate The information on the pump nameplate are described below DK 8850 Bjerringbro Denmark Model PN SN Type Hz pmax tmax Tech file No P code bar C rpm ex motor kg h m3 kWP2 H H max m MEI ηp 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2 3 TM07...

Page 22: ...asic version B Oversize motor C CR compact D Pump with pressure intensifier E Pump with certificate F Pump for high temperatures with air cooled top G E pump without control panel H Horizontal version I Different pressure rating J E pump with a different maximum speed K Pump with low NPSH L Pump including Grundfos CUE and certificate M Magnetic drive N With sensor O Cleaned and dried Codes for pum...

Page 23: ...water use motors with correspondingly higher outputs if required Whether a pump is suitable for a particular liquid depends on a number of factors of which the most important are chloride content pH value temperature content of chemicals and oils Please consult Grundfos for information about which pump types are suitable for a specific liquid 5 3 Operating the product For operating the product saf...

Page 24: ...WARNING Falling objects Death or serious personal injury Keep the product in a stable and fixed position when working on it 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 have been in con tact with particle...

Page 25: ...rvice videos are available in Grundfos Product Center http product selection grundfos com 6 2 2 Motor Grundfos MG and MGE motors Service documentation is available in Grundfos Product Center http product selection grundfos com Motors of other makes Contact the motor manufacturer 6 3 Maintaining the product DANGER Electric shock Death or serious personal injury Before starting any work on the prod ...

Page 26: ...ing used during periods of frost to avoid damage To drain the pump loosen the vent screw in the pump head and remove all drain plugs from one side of the pump base Do not tighten the vent screw and replace the drain plug until the pump is to be used again 7 2 Taking the product permanently out of operation Observe the following if the pump is to be permanently taken out of operation and removed fr...

Page 27: ...tive equipment WARNING Toxic liquids Death or serious personal injury Wear personal protective equipment CAUTION Hot or cold liquid Minor or moderate personal injury Wear personal protective equipment CAUTION Hot or cold surface Minor or moderate personal injury Make sure that no one can accidentally come into contact with hot or cold sur faces Related information 2 4 Lifting the product 27 Englis...

Page 28: ...it breaker are not making contact or the coil is faulty Replace the contacts or the magnetic coil The control circuit is defective Repair the control circuit The motor is defective Replace the motor 8 2 The motor protective circuit breaker trips immediately when the power supply is switched on Cause Remedy One fuse is blown or the automatic circuit breaker has tripped Replace the fuse or cut in th...

Page 29: ...lve There is a leakage in the inlet pipe Repair the inlet pipe There is air in the inlet pipe or pump Check the inlet conditions The motor runs in the wrong direction of rotation Change the direction of rotation of the motor 8 7 The pump runs backwards when switched off Cause Remedy There is a leakage in the inlet pipe Repair the inlet pipe The foot or non return valve is defective Repair the foot...

Page 30: ...gs Maximum permissible operating pressure and liquid temperature for pumps with 22 shaft seal 55 kW and Maximum permissible operating pressure and liquid temperature for pumps with 28 shaft seal 75 110 kW and 36 shaft seal 132 200 kW The charts apply to clean water Shaft seals for 22 shaft ends CR CRN with motors up to and including 55 kW 40 20 0 20 120 140 40 60 80 100 0 10 20 30 40 50 HQQE V HQB...

Page 31: ...in kPa 3 5 x 9 81 34 3 kPa 9 1 5 Maximum permissible inlet pressure The table in the section on the figure B in the appendix states the maximum permissible inlet pressure for vertically mounted pumps However the actual inlet pressure the maximum pump pressure at no flow must always be lower than the maximum permissible system pressure which is stated on the pump nameplate For identification of the...

Page 32: ... crossed out wheelie bin symbol on a product means that it must be disposed of separately from household waste When a product marked with this symbol rea ches its end of life take it to a collection point designated by the local waste disposal au thorities The separate collec tion and recycling of such products will help protect the environment and human health See also end of life information at ...

Page 33: ...A 1 Appendix Figure A NPSH 0 20 40 60 80 100 120 140 Q m h 0 2 4 6 8 10 H m 0 10 20 30 40 Q l s 0 20 40 60 80 100 p kPa 60 Hz 50 Hz CR 95 CRN 95 TM069621 TM069624 TM069622 TM069625 TM069623 TM069626 880 Appendix A ...

Page 34: ...85 1 185 2 15 1 5 185 3 3 185 8 20 2 CR CRN 215 280 215 1 1 215 2 2 15 1 5 215 2 1 215 7 2 20 2 CR CRN 255 330 255 1 1 255 1 15 1 5 255 2 2 255 6 2 20 2 60 Hz Pump type Maximum inlet pressure Maximum flow rate bar MPa m3 h CR CRN 95 150 95 1 1 95 2 2 10 1 95 2 1 95 4 2 15 1 5 95 4 95 7 20 2 CR CRN 125 190 125 1 1 10 1 125 1 125 3 2 15 1 5 125 3 1 125 9 3 20 2 CR CRN 155 230 155 1 1 10 1 155 1 155 ...

Page 35: ...332 425 499 22 5 CRN 125 485 180 168 485 180 150 275 332 425 499 22 5 CR 155 485 180 150 275 332 425 499 22 5 CRN 155 485 180 168 485 180 150 275 332 425 499 22 5 CR 185 615 200 200 350 415 510 599 26 5 CRN 185 615 200 219 615 200 200 350 415 510 599 26 5 CR 215 615 200 200 350 415 510 599 26 5 CRN 215 615 200 219 615 200 200 350 415 510 599 26 5 CR 255 615 200 200 350 415 510 599 26 5 CRN 255 615...

Page 36: ... 3 0 55 4 0 62 5 5 60 7 5 60 11 60 15 60 18 5 60 22 66 30 67 37 67 45 67 5 55 71 5 75 74 90 73 110 74 132 73 5 160 77 200 76 5 60 Hz ISO3743 2 ISO1680 60 Hz Motor kW LpA dB A 0 37 55 0 55 53 0 75 54 1 1 57 1 5 59 2 2 59 3 0 60 4 0 66 5 5 65 7 5 65 11 65 15 65 18 5 65 22 70 33 5 78 41 5 78 51 72 62 76 84 78 101 77 5 123 78 5 141 78 180 81 5 224 81 5 883 Appendix A ...

Page 37: ...ure E 20 15 12 10 8 0 6 0 5 0 4 0 3 0 2 0 1 0 0 8 0 6 0 4 0 3 0 2 0 1 1 5 120 110 90 100 80 70 60 50 40 30 20 10 0 Hv m tm C 150 130 140 25 35 45 40 30 160 170 180 190 62 79 100 126 TM027445 884 Appendix A ...

Page 38: ... 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 39: ...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 40: ...1342579 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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