KSB Amarex KRT Installation & Operating Manual
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KSB Amarex KRT Installation & Operating Manual

Submersible motor pump
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Submersible Motor Pump
Amarex KRT
Sizes DN 40 to DN 300, 50 Hz, CE
Motor sizes
2-pole: 18 2.F to 37 2.F
4-pole: 15 4.F to 37 4.F
6-pole: 15 6.F to 30 6.F
8-pole: 15 8.F to 22 8.F
Installation/Operating Manual
Mat. No.: 05035487

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Summary of Contents for KSB Amarex KRT

  • Page 1 Submersible Motor Pump Amarex KRT Sizes DN 40 to DN 300, 50 Hz, CE Motor sizes 2-pole: 18 2.F to 37 2.F 4-pole: 15 4.F to 37 4.F 6-pole: 15 6.F to 30 6.F 8-pole: 15 8.F to 22 8.F Installation/Operating Manual Mat. No.: 05035487...
  • Page 2 All rights reserved. The contents provided herein must neither be distributed, copied, reproduced, edited or processed for any other purpose, nor otherwise transmitted, published or made available to a third party without the manufacturer's express written consent. Subject to technical modification without prior notice. © KSB SE & Co. KGaA, Frankenthal 17/02/2020...

  • Page 3: Table Of Contents

    Checking the direction of rotation .................... 26 Installing the pump set .......................... 28 5.3.1 Stationary wet installation ........................ 28 5.3.2 Stationary dry installation ......................... 35 Electrical system.............................. 47 5.4.1 Information for planning the control system .................. 47 5.4.2 Connection to power supply ...................... 53 Amarex KRT 3 of 124...
  • Page 4 Recommended spare parts stock for 2 years' operation to DIN 24296 .......... 92 Trouble-shooting.......................... 93 Related Documents .......................... 94 General overview of part numbers ....................... 94 General assembly drawings with list of components................... 95 9.2.1 Amarex KRT............................ 95 9.2.2 Amarex KRT............................ 99 Detail drawings............................. 100 9.3.1 Impeller type S .......................... 100 9.3.2...
  • Page 5 9.6.10 Wiring diagram for three power cables 4G16 plus 8G1.5 plus 8G1.5........... 115 9.6.11 Wiring diagram for three power cables 7G6 plus 8G1.5 plus 8G1.5.......... 116 EU Declaration of Conformity ...................... 117 Certificate of Decontamination...................... 118 Index .............................. 119 Amarex KRT 5 of 124...

  • Page 6: Glossary

    The part of the pump in which the kinetic energy is converted into pressure energy Pump set Complete pump set consisting of pump, drive, additional components and accessories Suction lift line/suction head line The pipeline which is connected to the suction nozzle Amarex KRT 6 of 124...

  • Page 7: General

    F, K F, K 150-253 150-315 150-315 150-317 E, K E, K 150-400 150-400 150-401 150-401 E, F E, F 150-403 151-403 200-315 200-315 200-316 200-317 200-318 200-400 200-401 200-402 200-403 250-400 250-401 250-403 300-400 300-400 Amarex KRT 7 of 124...

  • Page 8: Installation Of Partly Completed Machinery

    In the event of damage, immediately contact your nearest KSB service facility to maintain the right to claim under warranty. 1.2 Installation of partly completed machinery To install partly completed machinery supplied by KSB refer to the sub-sections under Servicing/Maintenance.

  • Page 9: Symbols

    In conjunction with one of the signal words this symbol indicates a hazard involving electrical voltage and identifies information about protection against electrical voltage. Machine damage In conjunction with the signal word CAUTION this symbol indicates a hazard for the machine and its functions. Amarex KRT 9 of 124...

  • Page 10: Safety

    ▪ Consult the manufacturer about any use or mode of operation not described in the data sheet or product literature. ▪ Only use the respective impeller types in combination with the fluids described below. Amarex KRT 10 of 124...

  • Page 11: Personnel Qualification And Training

    ▪ Accident prevention, health regulations and safety regulations ▪ Explosion protection regulations ▪ Safety regulations for handling hazardous substances ▪ Applicable standards, directives and laws Amarex KRT 11 of 124...

  • Page 12: Safety Information For The Operator/User

    Especially adhere to the sections in this manual marked with the symbol opposite. The explosion-proof status of the pump set is only assured if the pump set is used in accordance with its intended use. Amarex KRT 12 of 124...

  • Page 13: Repair

    Repair work at the flameproof joints must only be performed in accordance with the manufacturer's instructions. Repair to the values in tables 1 and 2 of EN 60079-1 is not permitted. Amarex KRT 13 of 124...

  • Page 14: Transport/Storage/Disposal

    1. On transfer of goods, check each packaging unit for damage. 2. In the event of in-transit damage, assess the exact damage, document it and notify KSB or the supplying dealer and the insurer about the damage in writing immediately.

  • Page 15: Placing The Pump Set Down

    ▷ Use appropriate means to secure the pump set against tilting or tipping over. CAUTION Improper transport/positioning of pump sets with cooling system Damage to the cooling system! ▷ Never place the pump set on the cooling jacket or fasten it by the cooling system. Amarex KRT 15 of 124...

  • Page 16: Placing The Pump Set In A Vertical Position

    ▷ Only remove the protective caps from the power cables at the time of installation. CAUTION Damage during storage due to humidity, dirt or vermin Corrosion/contamination of the pump (set)! ▷ For outdoor storage cover the pump (set) or the packaged pump (set) and accessories with waterproof material. Amarex KRT 16 of 124...

  • Page 17: Return To Supplier

    4. Always complete and enclose a certificate of decontamination when returning the pump. Indicate any safety measures and decontamination measures taken. (ð Section 11, Page 118) NOTE If required, a blank certificate of decontamination can be downloaded from the following web site: www.ksb.com/certificate_of_decontamination Amarex KRT 17 of 124...

  • Page 18: Disposal

    Contact your local waste disposal partner for returns. If the used electrical or electronic equipment contains personal data, the operator is responsible for deleting it before the equipment is returned. Amarex KRT 18 of 124...

  • Page 19: Description Of The Pump (Set)

    Pump for handling untreated waste water containing long fibres and solid substances, liquids containing air/gas, and raw sludge, activated sludge and digested sludge. 4.2 Designation Example: Amarex KRT F 80 - 252 / 15 4 UFG - D IE3 Table 6: Designation key Code Description...

  • Page 20: Name Plate

    4 Description of the Pump (Set) 4.4 Name plate KSB SAS KSB SAS F-59320 Sequedin F-59320 Sequedin Amarex KRT F 80-252/154 XFG-S IE3 TYPE Amarex KRT F 80-252/154 UFG-S IE3 TYPE II2G Ex db h IIB T3 Gb 9971xxxx56/000100 9971xxxx56/000100...

  • Page 21: Installation Types

    (5 and 6), which are supported by a bearing housing (2). Sealing The pump is sealed by a double cartridge seal. The mechanical seal is lubricated by the coolant. Amarex KRT 21 of 124...

  • Page 22: Noise Characteristics

    ▪ Guide wire / guide rail (guide rails are not included in KSB’s scope of supply) A separate name plate is included in KSB's scope of supply. This name plate must be attached outside the place of installation (e.g. at the control panel, pipeline or mounting bracket) in a clearly visible position.

  • Page 23: Dimensions And Weights

    4 Description of the Pump (Set) A separate name plate is included in KSB's scope of supply. This name plate must be attached outside the place of installation (e.g. at the control panel, pipeline or mounting bracket) in a clearly visible position.

  • Page 24: Installation At Site

    Impermissible solid objects (tools, screws/bolts or similar) in the pump sump/inlet tank during pump start-up Personal injury and damage to property! ▷ Check the pump sump/inlet tank for impermissible solid objects before flooding, and remove, if necessary. Amarex KRT 24 of 124...

  • Page 25: Checks To Be Carried Out Prior To Installation

    5.2.3 Checking the coolant DANGER Operating a pump set with incomplete coolant fill Explosion hazard! Damage to the pump set! ▷ Never start up a pump set with incompletely filled cooling system. Amarex KRT 25 of 124...

  • Page 26: Checking The Direction Of Rotation

    (at a coolant temperature of 20 °C). 5.2.4 Checking the direction of rotation DANGER Pump set running dry Explosion hazard! ▷ Check the direction of rotation of explosion-proof pump sets outside potentially explosive atmospheres. Amarex KRT 26 of 124...
  • Page 27 ð Pump sets for dry installation (installation types D and H): Viewed through the inspection hole of the pump set, impeller rotation must be to the left. (On some pump casings, the direction of rotation is marked by an arrow). Amarex KRT 27 of 124...

  • Page 28: Installing The Pump Set

    5.3.1.1 Stationary wet-installed model, vertical installation Fig. 8: Wet-installed model, stationary installation 5.3.1.2 Fastening the duckfoot bend Fastening the duckfoot bend with chemical anchors Depending on the pump size, the duckfoot bend is fastened with chemical anchors. Amarex KRT 28 of 124...
  • Page 29 Table 10: Curing times of mortar cartridge Floor temperature Curing time [°C] [min] -5 to 0 0 to +10 +10 to +20 > +20 SW = Width across flats Mounting accessories of the respective manufacturer are required. Amarex KRT 29 of 124...
  • Page 30 1450 1750 2600 4050 5000 4500 7850 1750 2050 2500 3650 5400 6700 6000 10450 2300 2650 3250 4800 6750 8350 7450 13050 3150 3650 4450 6550 8050 10000 8950 15650 4300 4950 6050 8900 Amarex KRT 30 of 124...
  • Page 31 2. Run wire 59-24.01 around duckfoot bend 72-1 and back again to suspension bracket 572 and insert it into clamping piece 571. 3. Manually tension wire 59-24.01 and secure it by means of hexagon nuts 920.37. Amarex KRT 31 of 124...
  • Page 32 NOTE The guide rails are not included in KSB's scope of supply. Select guide rail materials which are suitable for the fluid handled or as specified by the operator.
  • Page 33 920.39. 3. Slip the guide rails onto the sleeves and verify that there is a tight fit between the guide rails and the sleeves. 4. Secure the fasteners with locknuts. Amarex KRT 33 of 124...
  • Page 34 1. Attach the chain or lifting rope to the pump set as illustrated. This attachment point achieves a forward inclination of the pump set towards the discharge nozzle, which allows the pump claw to hook onto the duckfoot bend. Amarex KRT 34 of 124...

  • Page 35: Stationary Dry Installation

    5. Insert threaded bolts into the corresponding drilled holes with an electric tool (e.g. impact drill, hammer drill). 6. After the curing time (see table), tighten the chemical anchors evenly and tightly. 7. Grout the foundation rails using low-shrinkage concrete. Amarex KRT 35 of 124...
  • Page 36 If foundation rails 89-8 are included in our scope of supply, they must be set in concrete as shown in the general arrangement drawing/outline drawing. SW = Width across flats Mounting accessories of the respective manufacturer are required. Amarex KRT 36 of 124...
  • Page 37 5.3.2.2.1 Stationary dry installation, horizontal up to size 400 Fig. 20: Dry installation, horizontal, up to size 400, stationary 5.3.2.2.2 Stationary dry installation, vertical, up to size 315 on suction elbow Fig. 21: Dry installation, vertical, up to size 315 on suction elbow, stationary Amarex KRT 37 of 124...
  • Page 38 4. Place the pump set on the foundation. Make sure the pump casing is evenly seated; use shims if necessary. 5. Fasten the pump set with soleplate to the foundation with hexagon head bolts 901.16, discs 550.05 and rails 89-8 (optional). Amarex KRT 38 of 124...
  • Page 39 Incorrect earthing during welding work at the piping Destruction of rolling element bearings (pitting effect)! ▷ Never earth the electric welding equipment on the pump or baseplate. ▷ Prevent current flowing through the rolling element bearings. Amarex KRT 39 of 124...
  • Page 40 1. Thoroughly clean, flush and blow through all vessels, pipes and connections (especially of new installations). 2. Before installing the pump in the piping, remove the flange covers on the suction and discharge nozzles of the pump. 3. Connect the pump nozzles to the piping. Amarex KRT 40 of 124...
  • Page 41 1150 1700 600 700 1300 150-401 D 2600 2400 2950 4550 1400 1750 1600 2750 1100 1300 1550 2300 600 700 1300 150-401 E, F 1600 1400 1750 2750 1400 1750 1600 2750 900 1300 600 700 1300 Amarex KRT 41 of 124...
  • Page 42 1750 2050 2500 3650 450 500 100-254 F 2700 3350 3000 5250 1200 950 1050 1850 1250 1450 1750 2600 450 500 100-254 K 2700 3350 3000 5250 1200 950 1050 1850 1250 1450 1750 2600 450 500 Amarex KRT 42 of 124...
  • Page 43 151-401 K 4050 5000 4500 7850 4050 5000 4500 7850 1750 2050 2500 3650 1750 2050 2500 3650 200-401 E 5400 6700 6000 10450 5400 6700 6000 10450 2300 2650 3250 4800 2300 2650 3250 4800 Amarex KRT 43 of 124...
  • Page 44 Where fluid has to be pumped out of a vessel under vacuum, installing a vacuum balance line is recommended. The following rules apply to vacuum balance lines: ▪ Minimum nominal line diameter 25 mm. ▪ The line extends above the highest permissible fluid level in the vessel. Amarex KRT 44 of 124...
  • Page 45 Risk of injuries by parts flying off and escaping fluid! ▷ Never use screw plugs for releasing pressure from the pump casing. ▷ Always use suitable venting devices (e.g. vent valve). The following auxiliary connections are available: 1M.1 1M.1 Fig. 29: Auxiliary connections Amarex KRT 45 of 124...
  • Page 46 G 1/2 250-403 G 1/2 G 1 1/4 G 1/2 300-400 D, K G 1/2 G 1 1/4 G 1/2 300-401 G 1/2 G 1 1/4 G 1/2 300-403 G 1/2 G 1 1/4 G 1/2 Amarex KRT 46 of 124...

  • Page 47: Electrical System

    5.4.1.4 Operation on a frequency inverter The pump set is driven by an induction machine to IEC 60034-12 designed for fixed speed operation. In accordance with IEC 60034-25, Section 18, the pump set is suitable for operation on a frequency inverter. Amarex KRT 47 of 124...
  • Page 48 No modifications are required on the power/control cable of the pump set. Suitable analysing devices must be selected. To monitor the leakage sensor inside the motor using a special relay available from KSB is recommended. 5.4.1.5 Sensors DANGER...
  • Page 49 The pump set features sensors designed to prevent hazards and damage to the pump set. Measuring transducers are required for analysing the sensor signals supplied. Suitable devices for 230 V AC can be supplied by KSB. NOTE Reliable and safe operation of the pump within the scope of our warranty is only possible if the sensor signals are properly analysed as stipulated in this manual.
  • Page 50 Motor temperature (PTC) ✘ ✘ ✘ Leakage inside the motor ✘ ✘ ✘ Mechanical seal leakage ✘ ✘ ✘ Bearing temperature, pump end ✘ ✘ Bearing temperature, motor end ✘ Vibration sensor ✘ Motor temperature (Pt100) ✘ Amarex KRT 50 of 124...
  • Page 51 The electrode relay (K1) must fulfil the following requirements: ▪ Sensor circuit 10 to 30 V AC ▪ Tripping current 0.5 to 3 mA (equivalent to a tripping resistance of 3 to 60 kΩ) Amarex KRT 51 of 124...
  • Page 52 Check in the data sheet whether the pump set is equipped with bearing temperature monitoring. 5.4.1.5.5 Vibrations As an option, the pump set can be supplied with a vibration sensor in the area of the motor-end bearing assembly. The sensor is matched to KSB's diagnosis systems. Amarex KRT 52 of 124...

  • Page 53: Connection To Power Supply

    Electrical connection work by unqualified personnel Risk of fatal injury due to electric shock! ▷ Always have the electrical connections installed by a trained and qualified electrician. ▷ Observe regulations IEC 60364 and, for explosion-proof models, EN 60079. Amarex KRT 53 of 124...
  • Page 54 DANGER Connection of damaged power cables Danger of death from electric shock! ▷ Check the power cables for damage before connecting them. ▷ Never connect damaged power cables. ▷ Replace damaged power cables. Amarex KRT 54 of 124...
  • Page 55 Potential equalisation shall be provided for in compliance with IEC 60204. Connecting the potential equalisation conductor Fig. 32: Connecting the potential equalisation conductor 81-29 Connection terminal 81-51 Clamping element 1. Connect the potential equalisation conductor to terminal 81-29 provided on clamping element 81-51. Amarex KRT 55 of 124...

  • Page 56: Commissioning/Start-Up/Shutdown

    ▪ All auxiliary connections required are connected and operational. ▪ The lubricant has been checked. ▪ After prolonged shutdown of the pump (set), the activities required for returning the equipment to service have been carried out. (ð Section 6.4, Page 63) Amarex KRT 56 of 124...

  • Page 57: Priming And Venting The Pump Set (Dry Installation Only - Installation Types D And H)

    Increased vibrations! Damage to mechanical seals and bearings! ▷ Never operate the pump set against a closed shut-off element. 1. Fully open the discharge line shut-off element, if any. 2. Start up the pump set. Amarex KRT 57 of 124...
  • Page 58 ▷ Eliminate the causes before returning the pump set to service. ü Pump, suction line and inlet tank (if fitted) have been vented and primed with the fluid to be handled. ü The priming lines and venting lines have been closed. Amarex KRT 58 of 124...

  • Page 59: Shutdown (Dry Installation Only - Installation Types D And H)

    ▷ Never operate an explosion-proof pump set at ambient temperatures or fluid temperatures exceeding those specified in the data sheet and/or on the name plate. ▷ Never operate the pump set outside the limits specified below. Amarex KRT 59 of 124...

  • Page 60: Frequency Of Starts

    ▷ Never operate the pump set with flow velocities below 0.7 m/s in horizontal pipes and 1.2 m/s in vertical pipes. Frequency inverter operation of the pump set is permitted in the frequency range from 25 to 50 Hz. Amarex KRT 60 of 124...

  • Page 61: Fluid Handled

    Compliance with dimension B does not guarantee trouble-free operation of the pump set. Depending on the pump's duty point, higher fluid levels may be required. Observe the NPSH values indicated in the characteristic curve (see hydraulic characteristic curves). Amarex KRT 61 of 124...

  • Page 62: Shutdown/Storage/Preservation

    1. For prolonged shutdown periods, start up the pump set regularly once every three months for approximately one minute. This will prevent the formation of deposits within the pump and the pump intake area. Amarex KRT 62 of 124...

  • Page 63: Returning To Service

    Risk of injury from moving parts or escaping fluid! ▷ As soon as the work is completed, properly re-install and re-activate any safety- relevant devices and protective devices. NOTE On pumps/pump sets older than 5 years we recommend replacing all elastomer seals. Amarex KRT 63 of 124...

  • Page 64: Servicing/Maintenance

    Risk of injury by moving components and shock currents! ▷ Ensure that the pump set cannot be started unintentionally. ▷ Always make sure the electrical connections are disconnected before carrying out work on the pump set. Amarex KRT 64 of 124...
  • Page 65 NOTE All maintenance work, service work and installation work can be carried out by KSB Service or authorised workshops. For contact details please refer to the enclosed "Addresses" booklet or visit "www.ksb.com/contact" on the Internet.

  • Page 66: Maintenance/Inspection

    NOTE In demanding conditions (e.g. high mechanical and hydraulic loads) reduce the maintenance interval accordingly. For a consultation or any queries please contact KSB Service. 7.2.1 Supervision of operation (for installation types D and H only) DANGER Risk of potentially explosive atmosphere inside the pump Explosion hazard! ▷...

  • Page 67: Inspection Work

    To do so, connect all winding ends together. 2. Measure the winding temperature sensors to chassis ground. To do so, connect all core ends of the winding temperature sensors together and connect all winding ends to chassis ground. Amarex KRT 67 of 124...
  • Page 68 Table 23: Resistance measurement of the float switch (mechanical seal leakage) Measurement between terminals ... Resistance [Ω] 3 and 4 < 1 If the readings suggest an open switch, check for mechanical seal leakage. Optional Only for pump sets with vibration sensor Amarex KRT 68 of 124...
  • Page 69 Slight wear of the mechanical seal is unavoidable. This will be aggravated by abrasive substances contained in the fluid handled. Fig. 34: Support options for placing down the pump Support foot (for horizontal installation) Wooden support Optional Optional Amarex KRT 69 of 124...
  • Page 70 ▷ Never insert your hands or any other objects into the pump, if the pump set has not been disconnected from the power supply and secured against unintentional start-up. If a problem has occurred which requires visual inspection, observe the following instructions: Amarex KRT 70 of 124...

  • Page 71: Coolant

    Corrosion of the cooling system ▷ Always use the exact coolant mixture. 1.2-propylene glycol/water mixture with corrosion inhibitors for frost protection down to -20°C (e.g. Tyfocor L /water mixture, mixing ratio 38:62) Made by: Metalsol Chemie, Magdeburg, Germany Amarex KRT 71 of 124...
  • Page 72 22,9 200-317 12,9 20,3 15,3 22,9 200-318 12,9 20,3 15,3 22,9 100-400 26,9 29,0 100-401 26,9 29,0 100-401 26,9 29,0 100-401 26,9 29,0 150-400 26,9 29,0 150-400 26,9 29,0 150-401 26,9 29,0 150-401 26,9 29,0 Amarex KRT 72 of 124...
  • Page 73 26,9 29,0 200-400 26,9 29,0 200-402 26,9 29,0 200-401 26,9 29,0 200-403 26,9 29,0 250-400 26,9 29,0 250-401 26,9 29,0 250-403 26,9 29,0 300-400 26,9 29,0 300-400 26,9 29,0 300-401 26,9 29,0 300-403 26,9 29,0 Amarex KRT 73 of 124...
  • Page 74 1. Place a suitable container under screw plug 903.33. (Observe the specified cooling liquid quantity .) 2. Unscrew both screw plugs 903.34/903.35 with joint rings 411.34/411.35 at the coolant filler openings. 3. Undo screw plug 903.33 with joint ring 411.33 and drain off the coolant. Amarex KRT 74 of 124...
  • Page 75 1. Screw in screw plugs 903.33 with joint ring 411.33. 2. Fill coolant through the filler opening (screw plug 903.34) until it overflows. 3. Screw in both screw plugs 903.34/903.35 with new joint rings 411.34/411.35. Amarex KRT 75 of 124...

  • Page 76: Drainage/Cleaning

    ▷ Use suitable transport devices, lifting equipment and lifting tackle to move heavy assemblies or components. Observe the safety instructions and information. For dismantling and reassembly observe the general assembly drawing. In the event of damage you can always contact KSB Service. Amarex KRT 76 of 124...

  • Page 77: Preparing The Pump Set

    1. Disconnect any auxiliary feed lines. 2. Remove the discharge nozzle and suction nozzle from the piping. NOTE After the pump set has been dismantled, the suction casing should be cleaned with water. Suitable protective clothing is recommended. Amarex KRT 77 of 124...
  • Page 78 Preparing installation type K / guide rail arrangement: 1. Unscrew and remove eyebolt 900.04 from strip 575. 2. Remove screw plug 903.56 from the middle of strip 575. 3. Screw eyebolt 900.04 into this threaded hole. Amarex KRT 78 of 124...

  • Page 79: Dismantling The Pump Section

    2. For dismantling the impeller, a jacking thread is provided at the impeller hub. Screw in the forcing screw and remove the impeller. NOTE The forcing screw is not included in the scope of supply. It can be ordered separately from KSB. Table 28: Forcing screws for pulling off the impeller Size Impeller type...
  • Page 80 ADS 2 200-400 ADS 5 200-401 ADS 9 200-402 ADS 9 200-403 ADS 9 250-400 ADS 5 250-401 ADS 9 250-403 ADS 9 300-400 ADS 5 300-400 ADS 9 300-401 ADS 9 300-403 ADS 9 Amarex KRT 80 of 124...
  • Page 81 1. Remove the grub screws from the threaded holes (2) for the puller. 2. Remove the circlip (1). 3. Screw a suitable removal tool or puller into the threaded holes (2). 4. Pull mechanical seal 433 out of the discharge cover. Amarex KRT 81 of 124...

  • Page 82: Dismantling The Motor Section

    Prior to dismantling the motor part, the cooling system must be drained. (ð Section 7.2.3.3, Page 74) . When dismantling the motor section and the power cable make sure that the cores/ terminals are clearly marked for future reassembly. Amarex KRT 82 of 124...

  • Page 83: Reassembling The Pump Set

    – Avoid the use of assembly adhesives, if possible. Tightening torques When reassembling the pump set, tighten all screws/bolts as indicated. In addition, secure all screwed connections closing off the flameproof enclosure with a thread-locking agent (Loctite Type 243). Amarex KRT 83 of 124...

  • Page 84: Reassembling The Pump Section

    Fig. 45: Anti-rotation device of the mechanical seal ▪ The shaft surface as well as the seal faces of adjacent components must be spotlessly clean and undamaged. ▪ For easier installation wet the O-rings with soapy water (not oil). Amarex KRT 84 of 124...
  • Page 85 80-253 E, F, K 80-315 80-315 80-317 D, F 100-253 100-253 E, K 100-254 F, K 100-315 100-316 D, F, K 100-317 100-400 100-401 E, F, K 150-253 150-315 D, F 150-317 E , K Amarex KRT 85 of 124...
  • Page 86 Damage to shaft seal and bearings! ▷ Always adjust and check the axial clearance with the pump set in a vertical position. 5. To lift the pump set suspend it from the lifting tackle as shown. Amarex KRT 86 of 124...
  • Page 87 3. Fasten wear plate 135 to pump casing 101 with hexagon socket head cap screws 914.12. 4. Adjust the clearance between impeller 230 and wear plate 135 by tightening and loosening screws 914.12 and 914.24. ð Screw 914.24 pushes the wear plate in the direction of the impeller. Amarex KRT 87 of 124...
  • Page 88 ð Screw 914.24 pushes the wear plate in the direction of the impeller. +0.2 ð The clearance equals 0.4  mm (measured on the suction side from the outer surface of the impeller vane to the wear plate). Amarex KRT 88 of 124...

  • Page 89: Leak Testing

    Before reassembling the motor section, check that all joints relevant to explosion protection (flamepaths) are undamaged. Any components with damaged flamepaths must be replaced. Only use original spare parts made by KSB for explosion-proof pumps. Observe the flamepath positions specified in the Annex (Flamepaths on explosion-proof motors).

  • Page 90: Checking The Connection Of Motor/Power Supply

    4. Repeat the leak test if required. 5. Remove the testing device. 6. Re-insert and tighten screw plug 903.02 with new joint ring 411.02. 7.5.4 Checking the connection of motor/power supply Check the power cables after reassembly. (ð Section 7.2.2, Page 67) Amarex KRT 90 of 124...

  • Page 91: Tightening Torques

    7.6 Tightening torques Table 31: Tightening torques [Nm] depending on thread, material and property class Thread Material A4-50 A4-70 1.4462 Property class Rp 0.2  mm² [Nm] [Nm] [Nm] [Nm] [Nm] 1000 1400 1300 2750 3900 1950 4200 6000 Amarex KRT 91 of 124...

  • Page 92: Spare Parts Stock

    Radial ball bearing, pump end 50 % 99-9 Set of sealing elements for the motor 100 % 99-9 Set of sealing elements for the hydraulic system 100 % For two years of continuous operation or 17,800 operating hours Amarex KRT 92 of 124...

  • Page 93: Trouble-Shooting

    Contact the energy supplier. ✘ ✘ - Motor winding or power cable are defective. Replace by new original KSB parts or contact KSB. ✘ ✘ - In case of star-delta configuration: motor Check star-delta contactor. running in star configuration only ✘...

  • Page 94: Related Documents

    Casing wear ring Screw plug Impeller wear ring Grub screw Sleeve Hexagon socket head cap screw Disc Bail Safety device Circlip Wire Label/plate 59-8 Turnbuckle 99-17 Desiccant 66-2 Cooling jacket 99-27 Strap 69-14 Leakage sensor Amarex KRT 94 of 124...

  • Page 95: General Assembly Drawings With List Of Components

    9 Related Documents 9.2 General assembly drawings with list of components 9.2.1 Amarex KRT Fig. 53: General assembly drawing of Amarex KRT, part 1 of 2 *: On specific designs only **: Only for dry installation types D and H Table 34: Key to the symbols and codes...
  • Page 96 9 Related Documents Fig. 54: General assembly drawing of Amarex KRT, part 2 of 2 For the part numbers refer to the table (ð Section 9.1, Page 94) . Amarex KRT 96 of 124...
  • Page 97 *: On specific designs only Table 35: Key to the symbols and codes Symbol Description Always secure screwed connections marked with this symbol with Loctite 243. For the part numbers refer to the table (ð Section 9.1, Page 94) . Amarex KRT 97 of 124...
  • Page 98 *: On specific designs only Table 36: Key to the symbols and codes Symbol Description Always apply a liquid sealant (e.g. Hylomar SQ32M) to sealing surfaces marked with this symbol. For the part numbers refer to the table (ð Section 9.1, Page 94) . Amarex KRT 98 of 124...

  • Page 99: Amarex Krt

    9 Related Documents 9.2.2 Amarex KRT Fig. 57: Motor and fastening elements for the cable glands Amarex KRT, power cables *: On specific designs only **: Only for dry installation types D and H Table 37: Key to the symbols and codes Symbol...

  • Page 100: Detail Drawings

    Table 38: Impeller type S Part. No. Description Part. No. Description Pump casing 500.07 Ring Suction cover 550.23 Disc 23-7 Impeller body 561.03 Grooved pin Impeller 901.15 Hexagon head bolt 412.16 O-ring 914.07/.10/.15/.16 Hexagon socket head cap screw Amarex KRT 100 of 124...

  • Page 101: Impeller Type E

    ** Only for installation types K, D and H Table 40: Impeller type D Part. No. Description Part. No. Description Wear plate 900.02 Bolt/screw 164.02 Inspection cover 914.12/.24 Hexagon socket head cap screw Impeller 920.17 412.05/.33/.34 O-ring 932.03 Circlip 550.04 Disc Amarex KRT 101 of 124...

  • Page 102: Impeller Type K

    Fig. 61: Impeller type K *: On specific designs only Table 41: Impeller type K Part. No. Description Part. No. Description Impeller 904.01 Grub screw Casing wear ring 914.10 Hexagon socket head cap screw Impeller wear ring Amarex KRT 102 of 124...

  • Page 103: Horizontal Installation

    Fig. 63: Attachment elements a) Installation type D b) Installation type K (guide wire arrangement) c) Installation type K (guide rail arrangement) d) Installation types K and D (option: bail) For the part numbers refer to the table (ð Section 9.1, Page 94) . Amarex KRT 103 of 124...

  • Page 104: Sensors And Terminals

    *: On specific designs only Table 42: Key to the symbols and codes Symbol Description Always secure screwed connections marked with this symbol with Loctite 243. For the part numbers refer to the table (ð Section 9.1, Page 94) . Amarex KRT 104 of 124...

  • Page 105: Flamepaths On Explosion-Proof Motors

    9 Related Documents 9.4 Flamepaths on explosion-proof motors 9.4.1 Amarex KRT Fig. 65: Flamepaths Amarex KRT Amarex KRT 105 of 124...

  • Page 106: Illustration Of The Mechanical Seal

    9 Related Documents 9.5 Illustration of the mechanical seal Fig. 66: Double cartridge seal 9.6 Wiring diagrams 9.6.1 Planning the control system For electrical connection of the pump set observe the “Information for planning the control system”. (ð Section 5.4.1, Page 47) Amarex KRT 106 of 124...

  • Page 107: Wiring Diagram For One Power Cable 12G1.5 / 12G2.5

    9 Related Documents 9.6.2 Wiring diagram for one power cable 12G1.5 / 12G2.5 Fig. 67: Power cable 12G1.5 / 12G2.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓕ Leakage inside the motor Shielded cable option Amarex KRT 107 of 124...

  • Page 108: Wiring Diagram For One Power Cable 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5

    9 Related Documents 9.6.3 Wiring diagram for one power cable 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5 Fig. 68: Power cable 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓕ Leakage inside the motor Amarex KRT 108 of 124...

  • Page 109: Wiring Diagram For Two Power Cables 12G1.5 / 12G2.5 Plus 8G1.5

    9.6.4 Wiring diagram for two power cables 12G1.5 / 12G2.5 plus 8G1.5 Fig. 69: Power cables 12G1.5 / 12G2.5 plus 8G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Leakage inside the motor Ⓕ Shielded cable option Amarex KRT 109 of 124...

  • Page 110: Wiring Diagram For Two Power Cables 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5 Plus 8G1.5

    9.6.5 Wiring diagram for two power cables 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5 plus 8G1.5 Fig. 70: Power cables 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5 plus 8G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Leakage inside the motor Ⓕ Amarex KRT 110 of 124...

  • Page 111: Wiring Diagram For Two Power Cables 4G16 Plus 8G1.5

    9.6.6 Wiring diagram for two power cables 4G16 plus 8G1.5 Fig. 71: Power cables 4G16 plus 8G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Leakage inside the motor Ⓕ Shielded cable option Amarex KRT 111 of 124...

  • Page 112: Wiring Diagram For Two Power Cables 7G6 Plus 8G1.5

    9 Related Documents 9.6.7 Wiring diagram for two power cables 7G6 plus 8G1.5 Fig. 72: Power cables 7G6 plus 8G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Leakage inside the motor Ⓕ Amarex KRT 112 of 124...

  • Page 113: Wiring Diagram For Two Power Cables 12G1.5 / 12G2.5 Plus 12G1.5

    Fig. 73: Power cables 12G1.5 / 12G2.5 plus 12G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Bearing temperature (motor end) Ⓓ Ⓕ Leakage inside the motor Ⓖ Vibration sensor Motor temperature (Pt100) Ⓗ Shielded cable option Amarex KRT 113 of 124...

  • Page 114: Wiring Diagram For Two Power Cables 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5 Plus 12G1.5

    Fig. 74: Power cables 7G4+5×1.5 / 7G6+5×1.5 / 7G10+5×1.5 plus 12G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Bearing temperature (motor end) Ⓓ Ⓕ Leakage inside the motor Ⓖ Vibration sensor Motor temperature (Pt100) Ⓗ Amarex KRT 114 of 124...

  • Page 115: Wiring Diagram For Three Power Cables 4G16 Plus 8G1.5 Plus 8G1.5

    Fig. 75: Power cables 4G16 plus 8G1.5 plus 8G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Bearing temperature (motor end) Ⓓ Ⓕ Leakage inside the motor Ⓖ Vibration sensor Motor temperature (Pt100) Ⓗ Shielded cable option Amarex KRT 115 of 124...

  • Page 116: Wiring Diagram For Three Power Cables 7G6 Plus 8G1.5 Plus 8G1.5

    Fig. 76: Power cables 7G6 plus 8G1.5 plus 8G1.5 Ⓐ Motor temperature (PTC) Ⓑ Mechanical seal leakage Ⓒ Bearing temperature (pump end) Bearing temperature (motor end) Ⓓ Ⓕ Leakage inside the motor Ⓖ Vibration sensor Motor temperature (Pt100) Ⓗ Amarex KRT 116 of 124...

  • Page 117: Eu Declaration Of Conformity

    10 EU Declaration of Conformity 10 EU Declaration of Conformity Manufacturer: KSB SE & Co. KGaA Johann-Klein-Straße 9 67227 Frankenthal (Germany) The manufacturer herewith declares that the product: Amarex KRT KSB order number: ....................▪ is in conformity with the provisions of the following Directives as amended from time to time: –...

  • Page 118: Certificate Of Decontamination

    We confirm that the above data and information are correct and complete and that dispatch is effected in accordance with the relevant legal provisions....................................Place, date and signature Address Company stamp Required fields Amarex KRT 118 of 124...

  • Page 119: Index

    Installation on a foundation 35 Spare part Ordering spare parts 92 Insulation resistance measurement 66 Spare parts stock 92 Intended use 10 Start-up 57, 58 Interference immunity 48 Storage 16 Key to safety symbols/markings 9 Tightening torques 91 Impeller screws 85 Transport 14 Leakage monitoring 51 Level control system 47 Amarex KRT 119 of 124...
  • Page 120 Index Variants covered by this operating manual 7 Vibrations 25 Warnings 9 Warranty claims 8 Amarex KRT 120 of 124...
  • Page 124 KSB SE & Co. KGaA Johann-Klein-Straße 9 • 67227 Frankenthal (Germany) Tel. +49 6233 86-0 www.ksb.com KSB SE & Co. KGaA Turmstraße 92 • 06110 Halle (Germany) Tel. +49 345 4826-0 www.ksb.com...

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