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Wilo FKT 20.2 Installation And Operating Instructions Manual
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Wilo FKT 20.2 Installation And Operating Instructions Manual

Wilo FKT 20.2 Installation And Operating Instructions Manual

Emu fa, rexa supra, rexa solid
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Pioneering for You
Wilo Motor FKT 20.2, 27.1, 27.2:
EMU FA, Rexa SUPRA, Rexa SOLID
en-US Installation and operating instructions
6088783 • Ed.02/2024-11

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Summary of Contents for Wilo FKT 20.2

  • Page 1 Pioneering for You Wilo Motor FKT 20.2, 27.1, 27.2: EMU FA, Rexa SUPRA, Rexa SOLID en-US Installation and operating instructions 6088783 • Ed.02/2024-11...

  • Page 3: Table Of Contents

    Operator’s obligations............ 18 Installation ................ 19 Electrical connection............ 25 7 Commissioning.................  31 Personnel qualifications............. 31 Operator’s obligations............ 31 Direction of rotation check for three-phase AC motor .................... 31 Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 4: General

    Impacts of the danger and instructions for prevention. • Safety instructions for material damage start with a signal word and are illustrated with- out a symbol. CAUTION Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 5 General warning symbol Warning – risk of cutting injuries Warning – hot surfaces Warning – high pressure Warning – suspended loads Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 6: Personnel Qualifications

    Adhere to the technical information in these installation and operating instructions as well as on the rating plate. • Ground product. • Observe provisions for connection to the electrical switching systems. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 7: Monitoring Devices

    At the operation site, comply with the applicable laws and regulations for work safety and accident prevention. • Disconnect product from power supply and secure against unauthorized reactivation. • All rotating parts must stop. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 8: During Operation

    Rinse eye thoroughly with water. – If eye irritation occurs, consult a doctor. • Inhalation – Remove from the contact area! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 9: Operator's Obligations

    Fluids with large amounts of abrasive contents (e.g. sand, grit). Intended use also includes observance of these instructions. Any other use is regarded as improper use. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 10: Product Description

    The motor can be used for continuous duty both immersed and non-immersed, also as part of dry well installation. The connection ca- ble has bare cable ends. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 11: Digital Data Interface

    Static seal: FKM (ASTM D 1418) or NBR (nitrile) The precise details of the materials used are shown in the respective configuration. Digital Data Interface NOTICE Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 12: Monitoring Devices

    The unit is forced to deactivate with reactivation lock once the high activation temperature has been reached. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 13: Operating Modes

    Guarantee the following when operating permanent magnet motors: • Frequency converter with connection for PTC sensor • Network: Ethernet 10BASE-T/100BASE-TX, IP-based Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 14: Operation In An Explosive Atmosphere

    Date of manufacture* Volume flow duty point Max. volume flow Delivery head duty point Max. delivery head Min. delivery head Speed Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 15: Type Key

    Impeller shape: V = Vortex impeller C = Single-channel impeller M = Multi-channel impeller x10 = Nominal diameter of the pressure connection Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 16: Scope Of Delivery

    Pump foot • Special versions with Ceram coatings or special materials • External pencil electrode for sealing chamber control • Level controls Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 17: Transport And Storage

    Danger due to fluids which are hazardous to health! Danger of bacterial infection! • Disinfect the pump after removal! • Observe information from the work regulations! WARNING Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 18: Installation And Electrical Connection

    Observe all regulations for working with and underneath heavy suspended loads. • Provide protective equipment. Ensure that personnel wear the protective equipment. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 19: Installation

    Check whether the cable cross-section and the cable length are sufficient for the selected installation type. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 20 Make sure that the pump cannot fall over or slip! Carefully and slowly reach into the hydraulics housing through the pressure port and rotate the impeller. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 21 Clean the screw plug (+), replace the seal ring, and screw it back in. Max. torque: 8 Nm (5.9 ft·lb)! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 22 Ventilation systems (e.g. air vent valves) installed. Air pockets in the pump and in the discharge pipe can lead to delivery problems. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 23 Lay the pressure hose and fasten it properly at the appropriate place (e.g. drainage). Correctly route connection cables. CAUTION! Do not damage the connection cables! - No chafing or kinking. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 24 The pump is installed. The qualified electrician can establish the electrical connec- tion. 6.4.6 Level control Provide a level control on site for level-dependent control of the pump. DANGER Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 25: Electrical Connection

    • Connect the external pencil electrode via an Ex-approved evaluation relay with an intrinsically safe circuit. • Observe the further information in the explosion protection section for the electrical connection! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 26 Electrical connec- tion must always be carried out by a qualified electrician! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 27 A hybrid cable is used as the control cable. The hybrid cable combines two cables in one: • Signal cable for control voltage and winding monitor Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 28 Note the instructions for the Digital Data Interface! Read and comply with the separate instructions for the Digital Data In- terface for additional information and extended settings. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 29 Note the additional information in the section on potentially explosive areas described in the appendix! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 30 Complete starting and stopping within 10 s. • To avoid power dissipation, bypass the electronic starter (soft start) once normal opera- tion is reached. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 31: Commissioning

    If the direction of rotation is incorrect, change the connection as follows: – Direct starting: swap two phases. – Star-delta starting: Swap connections of two windings (e.g. U1/V1 and U2/V2). Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 32: Operation In An Explosive Atmosphere

    When the pump starts, the rated current is exceeded for a short time. Switching on and off • During operation, do not exceed the rated current any more. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 33: During Operation

    The level control device and dry-running protection work correctly. • Minimum water submersion ensured. • Connection cable is not damaged. • Pump free from deposits and encrustations. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 34: Decommissioning/Removal

    For an extended period of decommissioning, carry out a function test at regular inter- vals. – Period: monthly to quarterly – Running time: 5 minutes – Run a function test in valid operating conditions only! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 35: Removal

    Gate valves on the inlet and pressure side are closed. Disconnect the pump from the power grid. Attach lifting equipment to the attachment point. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 36 Spray the pump with clean water from top to bottom. Guide the water jet inwards through the discharge port to clean the impeller and pump interior. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 37: Maintenance And Repair

    FKT 20.2 ... : Size 17 to 22 − − 9.0 l 304 US.fl.oz. FKT 20.2 ... : Size 24 to 33 − − 11.0 l 372 US.fl.oz. Motor FKT 20.2 ... / ... K FKT 20.2 ... : Size 17 to 22 − − 8.5 l 288 US.fl.oz. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 38 ExxonMobile: Marcol 82 • Total: Finavestan A 80 B (NSF-H1 certified) • Esso: Unirex N3 9.3.4 Lubricant grease • Tripol: Molub-Alloy-Food Proof 823 FM (USDA-H1 approved) Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 39: Maintenance Intervals

    Sharp edges can form on the impeller and suction port. There is a danger of cutting injuries! • Wear protective gloves! Before starting maintenance work, meet the following requirements: Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 40 Measured valued Pt100 sensor* at 20 °C (68 °F) motor temperature: 107.7 Ω. ▶ Resistance checked. If the measured value deviates from the specification, consult the customer service. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 41 – Only when the pressure has been completely released, fully un- screw the screw plug. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 42 – Only when the pressure has been completely released, fully un- screw the screw plug. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 43 Comply with the specifications for the operating fluid type and amount! 12. Clean the screw plug (+), replace the seal ring, and screw it back in. Max. torque: 8 Nm (5.9 ft·lb)! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 44: Repairs

    The pump has been thoroughly cleaned and disinfected. • Motor cooled to ambient temperature. • Workplace: – Clean, good lighting, and ventilation. – Firm and stable work surface. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 45 Which repair work is allowed to be • SOLID G- and Q impeller: Readjusting the suction port. carried out 9.6.3 Changing the hydraulics housing DANGER Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 46 WARNING! If the pump is placed in temporary storage and the lifting equipment is dis- mantled, secure the pump against falling over and slipping! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 47: Faults, Causes And Remedies

    • If there are no persons in the working area, activate the pump. • If persons enter the working area, switch off the pump immediately. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 48 Incorrect direction of rotation. ⇒ Have the connection corrected by a qualified electrician. Air cushion in the pipe system. ⇒ Vent the pipe system. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 49 Inspection and repair at the factory. Costs may be incurred for some services from customer service! Please contact customer service for more information. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 50: Spare Parts

    Rust-free screws (A2/A4) Thread Tightening torque kp m ft·lb 0.56 0.76 18.5 1.89 13.5 3.77 27.5 5.81 13.77 23.45 29.06 42.31 57.61 Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 51: Frequency Converter Operation

    Permanent magnet motors: 30 Hz up to the stated maximum frequency as per the rating plate NOTICE! The maximum frequency may be below 50 Hz! Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...

  • Page 52: Ex Rating

    All monitoring devices outside the “spark-proof areas” must be connected via an intrin- sically safe circuit (e.g. Ex-i relay XR-4...). • The voltage tolerance may not be higher than max. ±10 %. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 53 13.3.4.3 Leakage chamber monitoring Connect the float switch using an evaluation relay! The “CM-MSS” relay is recommended for this purpose. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 54 • Only use approved pumps inside potentially explosive atmospheres. • Check the Ex labelling on the rating plate. DANGER Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 55 13.3.7.2 Changing the mechanical seal 13.3.7.3 Replacing the connection cable Damaged connection cables may only be replaced by customer service or a certified work- shop. Installation and operating instructions • Wilo Motor FKT 20.2, 27.1, 27.2:, EMU FA, Rexa SUPRA, Rexa SOLID • Ed.02/2024-11...
  • Page 60 WILO USA LLC Corporate Headquarters W66 N1253 Forward Way Cedarburg, WI 53012 United States of America T +1 262-204-6600 info@wilo-usa.com www.wilo-usa.com Wilo Canada Inc. Canada Headquarters Bay 8, 925 30th St. NE Calgary AB, T2A 5L7 Canada T +1 403-276-9456 info@wilo-canada.com...

This manual is also suitable for:

Fkt 27.1Fkt 27.2: