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Wilo-Cronoline
Installation and operating instructions

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Summary of Contents for Wilo Cronoline

  • Page 1 Wilo-Cronoline Installation and operating instructions...
  • Page 2: Table Of Contents

    7 Direction of flow page 7 Attach pump page 9 Safety page 4 Functionality page 7 Transport and Storage page 8 Installation page 8 Maintenance and Repair page 13 Screw torques page 18 Troubleshooting guide page 19 Wilo AG 05/2007...
  • Page 3 16 Stationary seal ring of mechanical seal 6 Coupling guard 17 Mechanical seal 7 Coupling 18 Impeller 8 Motor 19 Impeller fastening nut and washer 9 Motor bolt 20 Pump Feet 10 Condensate drain connection (only in some models) Installation and Operating Instructions Wilo-Cronoline...
  • Page 4: Safety

    • These instructions should be kept in the vicinity of the pump.They serve as a reference in case of later problems. • Wilo is not liable for damage arising from non-compliance with these instructions. Warning notices Important safety notices are categorized as follows: Danger: Indicates life threatening due to electrical cur- rent.
  • Page 5: Technical Data

    3 Technical data 3.1 Type plate Series: Inline pump with flange connection Nominal diameter of pipe connection (inches) Maximum pump height (ft) /260 Maximum capacity (GPM) Number of poles 115/208-230 Voltage (V) Installation and Operating Instructions Wilo-Cronoline...
  • Page 6 Hydraulic corrections necessary depending on liquid's density and viscosity. Only approved additives with corrosion inhibitors may be used. Observe manufacturer's instructions. c. Contact WILO before using any liquids other than above-listed liquids, different mixture ratios and higher temperatures. Note: For additional data, see type plate, product informa- tion sheet or Wilo catalog.
  • Page 7: Functionality

    The motor speed can be controlled using an external frequency converter. Direction of flow The arrows on the flanges indicate the direction of flow. Installation and Operating Instructions Wilo-Cronoline...
  • Page 8: Transport And Storage

    Warning: Danger due to high deadweight! The pump itself and pump components may have a very high deadweight.There is a risk of potentially fatal impact and crush- ing caused by falling parts. Always use suitable lifting equipment and secure parts from falling. Wilo AG 05/2007...
  • Page 9: Attach Pump

    Insure the volute is not stressed by the piping. Note: With motor output of 7.5 HP or more, a housekeep- ing pad is recommended. Connect flangeconnection 5. Screw flange connection onto suction and discharge piping. Installation and Operating Instructions Wilo-Cronoline...
  • Page 10: Electrical Connection

    Never operate the pump with incorrect voltage. This could damage the motor. 4. Open the terminal box. 5. Lay the cable such that no condensation or spray water can run into the cable screws (Fig. A). 6. Connect grounding cable. Wilo AG 05/2007...
  • Page 11 PTC trip relay. 9. Low temperature applications (below normal temperature ranges) may require external motor and mechanical seal heaters – contact WILO for additional details. 10. Tighten cable screws 11. Close terminal box and ensure that no spraying water can enter it.
  • Page 12: Ventilate

    This minimum inlet pressure depends on the operating conditions and the duty point of the pump and must be calcu- lated accordingly. Please contact WILO or your WILO distributor if this further information is required. Check direction of rotation 6. Check the motor's direction of rotation by briefly turning it on.
  • Page 13 Close isolation valve prior to dismantling pump. Caution: Damage due to incorrectly performed maintenance! Incorrectly performed maintenance work can damage the pump. The maintenance work described below may therefore only be performed by trained personnel. Installation and Operating Instructions Wilo-Cronoline...
  • Page 14: Dismantle Motor

    6. Remove screws (1) and remove coupling guard (2) on both sides. 7. Loosen all coupling screws by a few turns. Do not, however, remove the screws entirely. 8. Remove other screws on motor flange. 9. Pull out the motor (3) using a suitable hoist and remove. Wilo AG 05/2007...
  • Page 15 Remove shaft 18. Pull coupling (2) and shaft (1) out of lantern. 19. Carefully clean surfaces. If shaft is damaged, it must be replaced. Remove seals 20. Remove stationary seal and seal elastomer (1). 21. Remove O-ring (2). Installation and Operating Instructions Wilo-Cronoline...
  • Page 16 Caution: Damage to mechanical seal! Too much pressure and twisting can damage the mechanical seal. Proceed with caution. 14. Fit impeller with strap wrench to secure (4). 15. Screw nut tightly using a torque wrench (5). Torque Page 18 Wilo AG 05/2007...
  • Page 17 If necessary, dismantle components again, check fits and repeat assembly process. Caution: Damage to the pump! Never operate a pump that is not correctly assembled. This can damage the pump. Installation and Operating Instructions Wilo-Cronoline...
  • Page 18 In order to avoid returns and incorrect orders, please specify the name plate data for all orders. Caution: Damage due to incorrect spare parts! Only original Wilo spare parts are to be used to insure fault-free pump operation. Wilo AG 05/2007...
  • Page 19 Faulty motor bearings Arrange for pump to be inspected and, if necessary, to be repaired by Wilo or other authorized service. Impeller rubs on volute Test the gap between lantern and pump housing.
  • Page 20 WILO USA LLC Wilo Canada Inc. 1290 North 25th Ave Bay 7 – 2915 Melrose Park, IL 60160 10th Ave. N.E. Calgary, Alberta, T2A 5L4 CANADA Phone: (866) 945-6872 (WILO USA) Phone: (866) 945-6236 (WILO CDN) FAX: (403) 277-9456 FAX: (403) 277-9456...

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