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Summary of Contents for Grundfos CRN 95-8
- Page 1 GRUNDFOS INSTRUCTIONS 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...
- Page 3 CR, CRN 95-255 English (GB) Installation and operating instructions ........5 Български...
- Page 4 Português (PT) Instruções de instalação e funcionamento ......527 Română (RO) Instrucţiuni de instalare şi utilizare ........558 Srpski (RS) Uputstvo za instalaciju i rad .
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Page 5: Table Of Contents
Safety information for the motor ..6 These installation and operating instructions describe Grundfos CR, CRN 95 to 255. Receiving the product... . 6 Sections 1-4 give the information necessary to be Transporting the product . -
Page 6: Notes
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 MG and MGE. ‐ Follow the lifting instructions. ‐... - Page 7 The following sections describe various lifting 2.4.2 Lifting the motor off the pump situations and the lifting instructions which must be followed in order to obtain safe lifting of the product: • Position of lifting brackets: See section Position of lifting brackets.
- Page 8 Lifting of pumps fitted with MGE motors Incorrect lifting of pump with MGE motor. Correct lifting of pump with MGE motor. Horizontal lift of pumps with 7.5 - 22 kW Grundfos MG and MGE* motors * See also section Lifting of pumps fitted with MGE motors Horizontal lift of pumps with 5.5 - 200 kW motors of...
- Page 9 2.4.3 Lifting of pumps fitted with MGE motors 2.4.5 Raising or laying down the product Raising or laying down pumps with 5.5 - 200 KW motors of other makes than Grundfos MG and MGE Raising or laying down pumps with 5.5 kW Grundfos MG and MGE* motors...
- Page 10 Vertical lift of pumps with 5.5 - 200 KW motors of other makes than Grundfos MG and MGE Vertical lift of pumps with 5.5 kW Grundfos MG and MGE motors Vertical lift of pumps without motor Vertical lift of pumps with 7.5 - 22 kW Grundfos MG and MGE motors...
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Page 11: Installing The Product
‐ Fasten the pump securely to a solid entire pump if the pump is fitted with a and even foundation according to the motor of another make than Grundfos specifications stated in the installation MG and MGE. and operating instructions. - Page 12 3.1.3 CRN 95, 125, 155 high-pressure range 3.1.4 Motors for Variable Frequency Drive (VFD) To avoid bearing current when operating the pump with VFD, Grundfos recommends using an isolated The pump sizes listed below are only to be bearing system for the following motor sizes: used with soft starter or frequency convert- •...
- Page 13 Illustration Information Arrows on the pump base plate show the direction of flow of liquid through the pump. These dimensions are stated in Figure C: • port-to-port lengths • dimensions of the base plate • pipe connections • diameter and position of anchor bolts. The pump can be installed vertically and horizontally.
- Page 14 3.1.6 Foundation The recommended length and width of the foundation are shown in fig. Foundation, vertical mounting. Note WARNING that for pumps with motor size below or equal to 30 Falling objects kW, the length and width of the foundation must be Death or serious personal injury 200 mm larger than the base plate.
- Page 15 Alignment with shims Pos. Description Shims 3.1.7 Vibration dampening Elimination of noise and vibrations is best achieved by means of a concrete foundation, vibration dampers and expansion joints. If you use vibration dampers, install them under the foundation. For pumps with motor size below or equal ®...
- Page 16 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.
- Page 17 3.1.10 Flange forces and torques If not all loads reach the maximum permissible value stated in the tables below, one of these values may exceed the normal limit. Contact Grundfos for further information. Flange forces and torques Y-direction: Inlet or outlet...
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Page 18: Electrical Connection
Before starting any work on the prod- maximum current I uct, make sure that the power supply has been switched off and that it can- • Grundfos MMG-G motors 1.1 x I not be accidentally switched on. • Grundfos MMG-E motors ‐... -
Page 19: Starting Up The Product
4. Starting up the product 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 ‐... -
Page 20: Startup Procedure
4.1 Startup procedure 5. Vent the pump by means of the vent valve in the pump head. At the same time, open the outlet 1. Close the isolating valve on the outlet side of the isolating valve a little. pump and open the isolating valve on the inlet side. -
Page 21: Shaft Seal Run-In
4.2 Shaft seal run-in 5. Product introduction WARNING 5.1 Identification Corrosive liquids Death or serious personal injury 5.1.1 Nameplate ‐ Wear personal protective equipment. The information on the pump nameplate are described below. WARNING Toxic liquids Death or serious personal injury DK-8850 Bjerringbro,Denmark ‐... - Page 22 Pump with certificate Pump for high temperatures (with air-cooled top) E-pump without control panel Horizontal version Different pressure rating E-pump with a different maximum speed Pump with low NPSH Pump including Grundfos CUE and certificate Magnetic drive With sensor Cleaned and dried...
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Page 23: Intended Use Of The Product
5.2 Intended use of the product temperature, content of chemicals and oils. Please consult Grundfos for information about which pump Only use the CR, CRN pumps according to the types are suitable for a specific liquid. specifications stated in the installation and operating instructions. -
Page 24: Servicing The Product
Toxic liquids Do not use the motor eyebolts to lift the Death or serious personal injury entire pump if the pump is fitted with a motor of another make than Grundfos ‐ Wear personal protective equipment. MG and MGE. WARNING ‐... -
Page 25: Contaminated Pumps
Grundfos If you request Grundfos to service the product, MG and MGE. contact Grundfos with details about the liquid before ‐... -
Page 26: Taking The Product Out Of Operation
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 MG and MGE. ‐ Follow the lifting instructions. ‐... - Page 27 WARNING Falling objects Death or serious personal injury ‐ Keep the product in a stable and fixed position when working on it. WARNING Corrosive liquids Death or serious personal injury ‐ Wear personal protective equipment. WARNING Toxic liquids Death or serious personal injury ‐...
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Page 28: Fault Finding The Product
8. Fault finding the product Cause Remedy The main contacts in Replace the contacts or DANGER the motor-protective the magnetic coil. Electric shock circuit breaker are not Death or serious personal injury making contact or the ‐ Before starting any work on the prod- coil is faulty. -
Page 29: The Pump Performance Is Not Constant
8.9 Noise. Cause Remedy The main contacts in Replace the contacts or Cause Remedy the motor-protective the magnetic coil. circuit breaker are not Cavitation. Check the inlet conditions. making contact or the The pump does not Adjust the pump shaft as coil is faulty. -
Page 30: Technical Data
Shaft seals for ∅28, 75-110 kW, and ∅36, 132-200 9. Technical data kW, shaft ends 9.1 Operating conditions [bar] 9.1.1 Ambient temperature and altitude See the instructions for the motor which are supplied HQQE/V with the pump. 9.1.2 Maximum system pressure and liquid HQQE HQQE/V HBQE... -
Page 31: Dimensions And Weights
Calculate the maximum suction lift "H" in m head as Related information follows: 5.1.1 Nameplate 9.1.6 Minimum flow rate = Pb x 10.2 - NPSH - Hf - Hv WARNING Barometric pressure in bar. Too high pressure and leakage Barometric pressure can be set to 1 bar. Death or serious personal injury In closed systems, Pb indicates the sys- ‐... -
Page 32: Disposing Of The Product
1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. The crossed-out wheelie bin symbol on a product means that it must be disposed of separately from household waste. - Page 33 Appendix A A.1. Appendix Figure A NPSH CR 95, CRN 95 [kPa] 60 Hz 50 Hz Q [m³/h] Q [l/s]...
- Page 34 Figure B Maximum inlet pressure and maximum flow rate 50 Hz 60 Hz Maximum inlet Maximum Maximum inlet Maximum pressure flow rate pressure flow rate Pump type Pump type [bar] [MPa] [bar] [MPa] CR, CRN 95 CR, CRN 95 95-1-1 → 95-1 95-1-1 →...
- Page 35 Figure C EN - FGJ 4 x ø ∅ [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] CR 95 18.5 CRN 95 18.5 CR 125 22.5 CRN 125 22.5 CR 155 22.5 CRN 155 22.5 CR 185 26.5 CRN 185 26.5...
- Page 36 Figure D Airborne noise emitted by pumps with motors fitted by Grundfos 50 Hz ISO3743-2 / ISO1680 50 Hz 60 Hz ISO3743-2 / ISO1680 60 Hz Motor Motor [kW] [kW] [dB(A)] [dB(A)] 0.37 0.37 0.55 0.55 0.75 0.75 18.5 18.5 33.5...
- Page 37 Figure E (°C)
- Page 38 Argentina China Greece Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Hellas A.E.B.E. Ruta Panamericana km. 37.500industin 10F The Hub, No. 33 Suhong Road 20th km. Athinon-Markopoulou Av. 1619 - Garín Pcia. de B.A. Minhang District P.O. Box 71 Tel.: +54-3327 414 444...
- Page 39 Fax: +66-2-725 8998 Fax: + 370 52 395 431 Москва, RU-109544, Russia Turkey Тел. (+7) 495 564-88-00 (495) 737-30-00 Malaysia GRUNDFOS POMPA San. ve Tic. Ltd. Факс (+7) 495 564 8811 GRUNDFOS Pumps Sdn. Bhd. Sti. E-mail grundfos.moscow@grundfos.com 7 Jalan Peguam U1/25 Gebze Organize Sanayi Bölgesi...
- Page 40 99078486 05.2022 ECM: 1342579 www.grundfos.com...
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