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TM068598

Vertical lift of pumps with 10-30 HP (7.5 - 22
kW) Grundfos ML, MLE and MG, MGE motors

TM068599

Vertical lift of pumps with 7.5 - 250 HP (5.5 -
200 KW) motors of other makes than Grundfos
ML, MLE and MG, MGE motors

TM068162

Vertical lift of pumps without a motor

5. Mechanical installation

DANGER

Falling objects

Death or serious personal injury

‐

Fasten the pump securely to a solid
and even foundation according to
the specifications stated in the
installation and operating
instructions.

WARNING

Contamination when pumping
drinking water

Death or serious personal injury

‐

Before the pump is used for
supplying drinking water, flush the
pump thoroughly with clean water.

‐

Do not use the pump for drinking
water if the internal parts have
been in contact with particles or
substances not suitable for water
intended for human consumption.

WARNING

Falling objects

Death or serious personal injury

‐

Do not use the motor eyebolts to lift
the entire pump if the pump is fitted
with a motor of another make than
Grundfos ML, MLE and MG, MGE.

‐

Follow the lifting instructions.

‐

Use lifting equipment which is
approved 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 the section on lifting
the product.

Related information

4.4 Lifting the product

13

English (US)

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Содержание CRN 125-7

Страница 1: ...CR CRN 95 255 North America Installation and operating instructions GRUNDFOS INSTRUCTIONS ...

Страница 2: ......

Страница 3: ... 95 255 English US Installation and operating instructions 4 Français CA Notice d installation et de fonctionnement 32 Español MX Instrucciones de instalación y operación 62 Appendix A 92 3 Table of contents ...

Страница 4: ...imited warranty Products manufactured by Grundfos Pumps Corporation Grundfos are warranted to the original user only to be free of defects in material and workmanship for a period of 24 months from date of installation but not more than 30 months from date of manufacture Grundfos liability under this warranty shall be limited to repairing or replacing at Grundfos option without charge F O B Grundf...

Страница 5: ... a hazardous situation which if not avoided will result in death or serious personal injury WARNING Indicates a hazardous situation which if not avoided could result in death or serious personal injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate personal injury The hazard statements are structured in the following way SIGNAL WORD Description of th...

Страница 6: ...can attack the pump materials chemically Contact Grundfos if in doubt WARNING Corrosive liquids Death or serious personal injury Wear personal protective 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 CR CRN pumps are suitable for pumping thin clean n...

Страница 7: ...9 Production code 20 Country of origin 21 Approval marks 3 4 Type key Example CRE 95 1 1 A G A E HQQE N C B Code Explanation CR Type range CR CRI CRN CRT E Pump with integrated frequency converter 95 Flow rate nominal 50 Hz m3 h 1 Number of impellers 1 Number of reduced diameter impellers A Code for pump version G Code for pipe connection A Code for materials E Code for rubber parts Code for shaft...

Страница 8: ... Motor stool base plate coupling and flanges EN 1 4408 and coupling guards in cobber Bolts nuts and spacing pipes EN 1 4401 or higher grade Code Description N Flanges EN 1 4408 P PEEK neck ring Q Silicon carbide silicon carbide bearing in pump and silicon carbide silicon carbide seal faces in thrust handling device R Silicon carbide silicon carbide bearing S PTFE neck rings T Base plate EN 1 4408 ...

Страница 9: ...e position during unpacking Wear personal protective equipment 4 3 Inspecting the product Before you install the product do the following 1 Check that the product is as ordered 2 Check that no visible parts have been damaged If parts are damaged or missing contact your local Grundfos sales company 4 4 Lifting the product WARNING Falling objects Death or serious personal injury Do not use the motor...

Страница 10: ...fting brackets 4 4 2 Lifting the motor off the pump 4 4 3 Lifting of pumps fitted with MLE and MGE motors 4 4 4 Lifting the product in horizontal position 4 4 5 Raising or laying down the product 4 4 6 Lifting the product in vertical position 4 4 1 Position of lifting brackets A B TM072254 Position of lifting brackets A Incorrect position of lifting brackets B Correct position of lifting brackets ...

Страница 11: ...ct in horizontal position TM068773 Horizontal lift of pumps with 7 5 HP 5 5 kW Grundfos ML MLE and MG MGE motors See also the section on lifting of pumps fitted with MLE and MGE motors TM068774 Horizontal lift of pumps with 10 30 HP 7 5 22 kW Grundfos ML MLE and MG MGE motors See also the section on lifting of pumps fitted with MLE and MGE motors TM068627 Horizontal lift of pumps with 7 5 250 HP 5...

Страница 12: ... MG MGE motors See also the section on lifting of pumps fitted with MLE and MGE motors TM068742 Raising or laying down pumps with 7 5 250 HP 5 5 200 KW motors of other makes than Grundfos ML MLE and MG MGE motors TM068745 Raising or laying down pumps without a motor Related information 4 4 3 Lifting of pumps fitted with MLE and MGE motors 4 4 6 Lifting the product in vertical position TM068597 Ver...

Страница 13: ...pump is used for supplying drinking water flush the pump thoroughly with clean water Do not use the pump for drinking water if the internal parts have been in contact with particles or substances not suitable for water intended for human consumption WARNING Falling objects Death or serious personal injury Do not use the motor eyebolts to lift the entire pump if the pump is fitted with a motor of a...

Страница 14: ...igh pressure range The pump sizes listed below are only to be used with soft starter or frequency converter CRN 95 6 3 CRN 125 7 CRN 155 5 CRN 95 6 CRN 125 8 2 CRN 155 6 2 CRN 95 7 2 CRN 125 8 CRN 155 6 CRN 95 7 CRN 125 9 3 CRN 155 7 2 CRN 95 8 2 CRN 155 7 CRN 95 8 CRN 155 8 3 5 3 Motors for Variable Frequency Drive VFD To avoid bearing current when operating the pump with VFD Grundfos recommends ...

Страница 15: ...bracket 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 minimize possible noise from the pump we recommend that you fit expansion joints on either side of the pump Build a foundation and carry out mechanical installation as described in the section on foundation Fit isolating valves on either side of the pump to a...

Страница 16: ...undation The recommended length Lf and width Wf of the foundation for vertical and horizontal mounting are shown in the figures below The length and width of the foundation must always be 7 87 inches 200 mm larger than the length and width of the pump Pumps with a motor size below or equal to 40 HP 30 kW The length and width of the foundation must be 7 87 inches 200 mm larger than the base plate P...

Страница 17: ...on dampers and expansion joints If you use vibration dampers install them under the foundation For pumps with a motor size below or equal to 40 HP 30 kW you can use vibration dampers For pumps with a motor size equal to or above 50 HP 37 kW you can use a 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 plat...

Страница 18: ...6 free hole 74 100 125 155 UNC 3 4 10 7 8 free hole 661 1402 901 1902 185 255 UNC 7 8 9 1 free hole 100 136 1 Applies for pumps fitted with motors up to and including 75 HP 2 Applies for pumps fitted with motors of 100 HP and up Metric bolts CR CRN Base plate anchor bolts Bolt size Torque mm Nm lbf ft 95 with optional small base plate M12 14 free hole 65 48 95 M16 18 free hole 100 75 125 155 M20 2...

Страница 19: ...e X direction lbf N 4 ANSI DN 100 95 282 1256 228 1013 253 1125 6 ANSI DN 150 125 155 422 1875 342 1519 380 1688 8 ANSI DN 200 185 215 255 465 2513 455 2025 506 2250 Force limits for CRN pumps Flange CRN Force Y direction lbf N Force Z direction lbf N Force X direction lbf N 4 ANSI DN 100 95 565 2513 455 2025 506 2250 6 ANSI DN 150 125 155 843 3750 683 3038 759 3375 8 ANSI DN 200 185 215 255 1130 ...

Страница 20: ...ternal main switch close to the pump and to a motor protective circuit breaker or a CUE frequency converter Make sure you can lock the main switch in OFF position 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 protective earth PE potential as the motor if both motor bearings are of the insulated t...

Страница 21: ...ou 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 components Vent valve standard and an optional solution with hose connection TM058098 TM051160 7 1 Startup procedure 1 Close the isolating valve on the outlet side of the pump and open the isolating valve on the inlet sid...

Страница 22: ...e first time or when you install a new shaft seal a certain run in period is required before the leakage is reduced to an acceptable level The time required for this depends on the operating conditions that is every time the operating conditions change a new run in period will be started Under normal conditions the leaking liquid will evaporate As a result no leakage will be detected 7 3 Operating...

Страница 23: ... not use the motor eyebolts to lift the entire pump if the pump is fitted with a motor of another make than Grundfos ML MLE and MG MGE Follow the lifting instructions Use lifting equipment which is approved 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 the section on lifting t...

Страница 24: ...ean the product in the best possible way before you return it Costs of returning the product are to be paid by the customer 8 2 Service documentation 8 2 1 Pump You can find detailed information about how to service your product in the service instructions which can be accessed via the QR code or link below Service instructions for CR RN 95 255 QR99233360 http net grundfos com qr i 99233360 Additi...

Страница 25: ...t of operation and removed from the pipe system 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 WARNING Falling objects Death or serious personal injury Do not use the motor eyebolts to lift the entire pump if the pump is fitted with a motor of another...

Страница 26: ...mp Make sure that the escaping liquid does not cause injury to persons Wear personal protective equipment Pay attention to the direction of the vent hole and drain plug when draining the pump Make sure that the escaping liquid does not cause damage to the motor or other components Drain pumps which are not being used during periods of frost to avoid damage To drain the pump loosen the vent screw i...

Страница 27: ...eplace the fuses The motor protective circuit breaker has tripped Reactivate the motor protective circuit breaker The thermal protection has tripped Reactivate the thermal protection The main contacts in the motor protective circuit 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...

Страница 28: ...dy The pump inlet pressure is too low cavitation Check the inlet conditions The inlet pipe or pump is partly blocked by impurities Clean the inlet pipe or pump The pump draws in air Check the inlet conditions 11 6 The pump runs but gives no water Cause Remedy The inlet pipe or pump is blocked by impurities Clean the inlet pipe or pump The foot or check valve is blocked in closed position Repair th...

Страница 29: ...ly due to frictional resistance as a result of incorrect pump shaft position Adjust the pump shaft as described in the service documentation See the section on service documentation Frequency converter operation See the instructions for the motor which are supplied with the pump 29 English US ...

Страница 30: ... 120 140 p psi bar t F C o o TM070325 Maximum permissible operating pressure and liquid temperature for pumps with 28 and 36 shaft ends 100 300 HP 75 224 kW 12 1 4 Minimum inlet pressure We recommend that you calculate the inlet pressure H in these situations The liquid temperature is high The flow rate is significantly higher than the rated flow rate Water is drawn from depths Water is drawn thro...

Страница 31: ...times the maximum permissible system pressure 12 1 6 Minimum flow rate WARNING Too high pressure and leakage Death or serious personal injury Do not run the pump against a closed outlet valve Due to the risk of overheating do not use the pump at flows below the minimum flow rate The curves below show the minimum flow rate as a percentage of the rated flow rate in relation to the liquid temperature...

Страница 32: ...Appendix A A 1 NPSH NPSH TM070428 TM077575 TM070429 TM077576 TM070430 TM077577 92 Appendix A ...

Страница 33: ... 8 290 20 CR CRN 125 CR CRN 125 1 1 125 1 145 10 CR CRN 125 2 2 125 3 2 218 15 CR CRN 125 3 1 125 4 2 290 20 CRN 125 4 1 125 9 3 290 20 CR CRN 155 CR CRN 155 1 1 145 10 CR CRN 155 1 155 2 1 218 15 CR CRN 155 2 155 3 2 290 20 CRN 155 3 1 155 8 3 290 20 CR CRN 185 CR CRN 185 1 1 185 1 218 15 CR CRN 185 2 2 185 6 290 20 CR CRN 215 CR CRN 215 1 1 218 15 CR CRN 215 1 215 5 1 290 20 CR CRN 255 CR CRN 25...

Страница 34: ...07 332 13 07 332 16 34 415 16 34 415 L 1 inch mm 8 86 225 8 86 225 10 83 275 10 83 275 13 78 350 13 78 350 TM070440 ANSI flange 4 4 6 6 8 8 L H ANSI H inch mm 5 51 140 5 51 140 7 09 180 7 09 180 7 87 200 7 87 200 L inch mm 14 96 380 14 96 380 19 09 485 19 09 485 24 21 615 24 21 615 PJE TM002252 D inch mm 5 56 141 3 6 63 168 3 8 63 219 1 L H D H inch mm 5 51 140 7 09 180 7 87 200 L inch mm 14 96 38...

Страница 35: ...os ML TEFC WEG ODP HP Phases dB A dB A dB A 1 3 1 66 3 65 58 1 2 1 66 3 65 59 3 4 1 68 3 65 59 1 1 68 3 65 59 1 1 2 1 68 3 68 58 2 1 68 3 68 63 3 1 72 3 68 63 5 1 75 3 68 68 7 1 2 1 75 3 70 68 10 1 75 3 70 65 15 3 72 64 5 66 20 3 75 65 70 25 3 72 65 5 73 30 3 72 70 5 73 40 3 76 75 50 3 76 75 60 3 79 75 75 3 79 75 100 3 79 84 125 3 81 84 150 3 81 85 200 3 81 85 250 3 81 85 300 3 81 85 95 Appendix A...

Страница 36: ... 10 6 6 4 9 3 3 2 6 2 0 1 3 0 9 0 7 0 3 370 360 340 320 300 280 270 250 230 212 194 176 158 140 122 104 86 68 50 32 tm Hv F Ft TM070326 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 96 Appendix A ...

Страница 37: ...S Pumps Corporation 9300 Loiret Boulevard Lenexa Kansas 66219 USA Tel 1 913 227 3400 Fax 1 913 227 3500 Canada GRUNDFOS Canada inc 2941 Brighton Road Oakville Ontario L6H 6C9 Tel 1 905 829 9533 Fax 1 905 829 9512 Mexico Bombas GRUNDFOS de México S A de C V Boulevard TLC No 15 Parque industrial Stiva Aeropuerto Apodaca N L 66600 Tel 52 81 8144 4000 Fax 52 81 8144 4010 Revision Info Last revised on ...

Страница 38: ...1345704 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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