Grundfos FB Series Installation And Operating Instructions Manual
Grundfos FB Series Installation And Operating Instructions Manual

Grundfos FB Series Installation And Operating Instructions Manual

Table of Contents

Advertisement

Quick Links

GRUNDFOS INSTRUCTIONS
FB
Installation and operating instructions

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the FB Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Grundfos FB Series

  • Page 1 GRUNDFOS INSTRUCTIONS Installation and operating instructions...
  • Page 3: Table Of Contents

    1. Introduction _________________________________________________ 5 1.1 Target group_________________________________________________________________5 1.2 Symbols and formatting ________________________________________________________5 1.3 References to the document ____________________________________________________5 2. Safety ______________________________________________________ 6 2.1 Instructions for the operator _____________________________________________________6 2.1.1 General information_______________________________________________________6 2.2 Safety instructions in the operating manual _________________________________________6 2.3 Identification of instructions in the operating manual __________________________________6 2.3.1 Structure of safety instructions ______________________________________________7 2.4 Qualifications and training of personnel ___________________________________________7 2.5 Safety-conscious work ________________________________________________________7...
  • Page 4 6.4.3 Disassembly of the pump _________________________________________________ 27 6.4.4 Assembly of the pump ___________________________________________________ 30 6.5 Troubleshooting_____________________________________________________________ 35 6.6 Disposal___________________________________________________________________ 36 6.7 Grundfos FB pump tool kit_____________________________________________________ 37 6.7.1 Content and use ________________________________________________________ 37 7. Certificate of cleanliness ______________________________________ 38 7.1 Certificate of cleanliness ______________________________________________________ 38 8.
  • Page 5: Introduction

    1. Introduction Overview This section describes the requirements which are important for reading and understanding this manual. The symbols and formats that make the reading easier are described. 1.1 Target group This operating manual is intended for: • the operators of the pump and •...
  • Page 6: Safety

    2. Safety Overview This section describes what you have to consider for your own safety. The structure and identification of safety instructions is described. Read this important section attentively! 2.1 Instructions for the operator 2.1.1 General information All our pumps are carefully packed before they leave our warehouse to avoid damage during transport.
  • Page 7: Structure Of Safety Instructions

    • Warning Characterises a possible hazard with medium risk which can cause death or bodily harm if it is not avoided. • Caution Characterises a hazard with minor risk which can causes minor or medium bodily harm if it is not avoided. Instructions attached directly to the machine, such as Don’t remove instructions from machine rotational direction arrow must be noted and kept in...
  • Page 8: Safety Instructions For The Operator / User

    2.6 Safety instructions for the operator / user CAUTION Hot or cold mechanical components! Serious bodily injury. Take structural measures to prevent contact with them! WARN ING Trapping hazard! Death, serious bodily injury, damage to property. Do not remove protection against contact with moving parts (e.g.
  • Page 9: Transport

    2.9 Transport WARNING Falling loads! Death, serious bodily injury, damage to property. Transport work must only be performed by persons qualified to do so, and all safety instructions must be observed. Use suitable load carrying equipment with sufficient capacity to transport the pump. Make certain there are no persons under the suspended load.
  • Page 10: Repair Contract

    2.11 Repair contract The duty to follow the legal regulations on work safety and the regulations on environmental protection means that all commercial enterprises must protect their employees, the public at large, and the environment from the harmful effects of hazardous materials. Example of legal regulations on work safety: •...
  • Page 11: Product Description

    3. Product description Overview This section describes the pump and it’s design and application.The section ’’Technical data“ describes limits for application. Carefully observe these limits. 3.1 Pump Overview Fig. 3 FB pump A - discharge branch B - pump housing C - suction branch D - clamp ring E - motor stool...
  • Page 12: Proper Usage

    3.3 Proper usage WARN ING Improper usage! Death, serious bodily injury, damage to property. Operate the pump only in the electrical network compatible with the motor. 3.3.1 Pumped liquids Only pure or slightly contaminated liquids with a maximum particle size up to 0.0157 inch may be pumped. These liquids may not chemically or mechanically attack the pump materials or lower their strength.
  • Page 13: Pump Denomination

    3.4.1 Pump denomination Type key FB20/25-130-ACAE-ASCE-FY-1.5-4US FB 20/25 - 130 - A C A E - A S C E - F Y 1.5 - 4 U S 20/25; 10/40; 25/15; 15/40; 30/60; 70/40, 80/30; 20/65; 120/30; 25/60 130; 140; 150; 150-6; 150-12; 155; 160; 165; 170; 175; 180; 185-6; 185-9; 190; 200; 210;...
  • Page 14: Pump Model Number

    3.4.2 Pump model number The pump can be identified by the pump model number. When ordering spare parts give always the pump model number (see nameplate for this). 3.4.3 Nameplate Fig. 4 Pump nameplate 3.4.4 Maximum operating temperature CAUTION Exceeding the maximum operating temperature! Bodily injury, damage to property.
  • Page 15: Mounting, Installation And Connection

    (for example due to transport damage) it has been damaged. When the impeller rubs against the casing: Contact Grundfos Service. When the impeller runs failure free: 4. Re-fit fan cover of the motor. 4.2 Installation in the pipeline...
  • Page 16 What is dry running? Details about dry running To seal the pump shaft against the pump casing the mechanical seal needs lubrication between its rotating faces. This lubrication is provided by the pumped liquid. If the pump is fitted with a quench the lubrication for the quench must be provided from an external source.
  • Page 17: Space Requirements

    Fig. 6 Installation in the pipeline above: gravity feed mode below: suction mode P - pump M - motor 4.2.1 Space requirements ATTENTION Overheating! Damage to property! Ensure sufficient ventilation. Make sure not to re absorb warm cooling air. Consider other heat sources in the area.
  • Page 18: Connections For Flushing System

    4.3 Connections for flushing system 4.3.1 Quench design GRUNDFOS pumps with a quench are equipped with a lip seal. The unpressurised flushing liquid flows between the mechanical seal and this lip seal. Connect the lines as shown in Fig. 8.
  • Page 19: Start-Up / Shut-Down

    5. Start-up / shut-down Overview This section describes how to start up and shut down the pump. You get to know which inspections contribute to failure-free operation and increased life of the pump. 5.1 Start-up 5.1.1 Check application conditions Check the application conditions of the pump in this way: 1.
  • Page 20: Shut-Down

    5.2 Shut-down 5.2.1 Shutting down the pump CAUTION Pressure surge! Death, serious bodily injury, damage to property. Always close shut-off devices slowly! A pressure surge (water hammer) is an abruptly pressure What is a pressure surge? increasing in the system. This pressure increasing can - among other causes - be caused by a quick blocking of the flow in the discharge pipe.
  • Page 21: Maintenance / Servicing

    6. Maintenance / servicing Overview This section gives important information concerning maintenance and servicing of the pump. This section should be read before carrying out maintenance work or troubleshooting measures! NOTE: This section is for qualified personnel. 6.1 Safety instructions for maintenance, inspection and installation work WARNING...
  • Page 22: Maintenance Of The Pump

    WARN ING Missing protection and safety equipment! Death, bodily injury or damage to the plant and pump. Immediately after completing the work install the protection and safety equipment and make sure it functions. CAUTION Improper tools! Damage to property. Utilize tools, possible support surfaces and other auxiliary materials must ensure that all parts of the pump can be assembled without damage (e.g.scratches).
  • Page 23: Assembly / Disassembly

    6.4 Assembly / Disassembly 6.4.1 Parts Overview 151b 105c Fig. 9 Overview FB See parts list on page 24.
  • Page 24 Qty. Position no. Description motor stool pump housing guard hexagon head screw coupling complete hexagon head screw coupling / tension ring assembly (see tab. 3, line 2) lock washer coupling / tension ring assembly (see tab. 3, line 2) tension ring coupling / tension ring assembly (see tab.
  • Page 25 Service components assemblies pump FB 10/40-20/25-15/40-25/15 30/60 - 70/40 - 20/65 - 80/30 - 25/65 - 120/30 frame 182 / 184 213 / 215 182 / 184 213 / 215 254 / 256 1 foot kit 96942014 96942015 96942016 96942015 96942017 96942018 coupling / tension ring assembly...
  • Page 26: Instructions For Assembly

    6.1. ATTENTION Important aspects! Damage to property. Use tools from Grundfos FB Pump tool kit in order to assemble the pump without damage and scratches. To guarantee a good seal, use only O-ring seals with the original dimensions. Never use grease which contains mineral oil when assembling the wet end parts Always replace mechanical seal as a complete assembly.
  • Page 27: Disassembly Of The Pump

    6.4.3 Disassembly of the pump DA NGER Disregarding important instructions! Death, serious bodily injury, damage to property. Before you disassemble the pump note chapter 6.1 on page 21. See page 37 for the optional assembly tools mentioned in the following description Disassemble the pump in this way: 1.
  • Page 28 6. Remove the impeller 49. 7. Remove the key 11 out of the pump shaft 51. Fig. 17 Impeller Fig. 18 Key 8. Remove (do not discard) the seal spacer 61 from pump shaft 51. This seal spacer applies to an open spring mechanical seal only.
  • Page 29 12. Remove stationary ring of the mechanical seal 13. Disassemble the motor stool 2. 105. Unscrew the hexagon head screws 28. If a quenched seal is fitted, spray clean water on the shaft to assist the lip seal to slide along the shaft.
  • Page 30: Assembly Of The Pump

    4. Grease the thread of hexagon head screws 9 and lock washers 9c. Recommend Klüberpaste UH1 96-402 from ) or Grundfos FB Pump tool kit (pos. 3 fig. 55 equivalent Fig. 30 Motor shaft Fig. 29 Clamp connection...
  • Page 31 6. Insert lip seal 105c into the motor stool 2 7. Insert two elbow connectors 23d into motor stool (for quenched seal only). (for quenched seal only). Fig. 31 Lip seal Fig. 32 Plug 8. Spray clean water onto the pump shaft 51. 11.
  • Page 32 Fig. 40 Sensing head Fig. 39 Tighten hexagon head screws 20. Spray clean water onto the pump shaft 51 to 22. Slide the assembly sleeve from Grundfos FB assist the seal assembly. Pump tool kit (pos. 1, fig. 55) onto the shaft 21.
  • Page 33 27. Slide the seal spacer 61 onto the pump shaft 51. 28. Insert the key 11 into the pump shaft 51. Applies to the open mechanical seal only Grease contact surfaces of pump shaft 51. (see fig. 11 on page 25). Recommend Klüberpaste UH1 96-402 or equivalent.
  • Page 34 36. Unload the spring of the mechanical seal 105 Fig. 52 Adjusting pump housing against the seal spacer 61. Use the ejector from Grundfos FB Pump tool kit (pos. 2, fig. 55) Applies to open spring mechanical seal only. 38. Assemble the upper and lower clamp ring 92a 40.
  • Page 35: Troubleshooting

    6.5 Troubleshooting Problem Cause Remedy Pump does not 1. Incorrect electrical hook-up (2 phases). 1. Check the electrical connections and deliver or deliv- 2. Wrong rotational direction. correct them if necessary. ers at a reduced 3. Air in the suction line or in the pump. 2.
  • Page 36: Disposal

    6.6 Disposal 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, contact the nearest Grundfos company or service workshop.
  • Page 37: Grundfos Fb Pump Tool Kit

    6.7 Grundfos FB pump tool kit Remove and install the mechanical seals safely and reliably by using tools of the Grundfos FB Pump tool kit. Fig. 55 Grundfos FB Pump tool kit 6.7.1 Content and use The list below specifies the tools used on the FB pump that are included in the tool kit.
  • Page 38: Certificate Of Cleanliness

    7. Certificate of cleanliness Overview This section gives information concerning the certificate of cleanliness. In case of inspection or repairing send the pump including this certificate to Grundfos. 7.1 Certificate of cleanliness Fig. 56 Certificate of cleanliness...
  • Page 39: Service Addresses

    Grundfos are subject to the warranty provided by the manufacturer of said products and not by Grundfos' warranty. Grundfos will not be liable for damage or wear to products caused by abnormal operating conditions, accident, abuse, misuse, unauthorized alteration or repair, or if the product was not installed in accordance with Grundfos' printed installation and operating instructions.
  • Page 40 GRUNDFOS INSTRUCTIONS Being responsible is our foundation Thinking ahead makes it poss ble Innovation is the essence L-FB-TL-001 02/10 10/09 www.grundfos.com...

Table of Contents