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IQT Range
3
rd
Generation IQT
Original instructions for Safe Use,
Installation, Basic Setup and Maintenance
This manual must be consulted where ever this
symbol is marked. This manual contains important
safety information. Please ensure it is thoroughly
read and understood before installing, operating
or maintaining the equipment.
PUB002-065-00
Date of issue 09/16

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Do you have a question about the IQT3 and is the answer not in the manual?

Questions and answers

spa
April 14, 2025

motor stalled

1 comments:
Mr. Anderson
April 14, 2025

A Rotork IQT3 motor can stall due to a torque trip, which occurs when the actuator reaches a torque level higher than the set limit, causing it to stop. This is indicated by a warning triangle and status bar.

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Summary of Contents for rotork IQT3

  • Page 1 IQT Range Generation IQT Original instructions for Safe Use, Installation, Basic Setup and Maintenance This manual must be consulted where ever this symbol is marked. This manual contains important safety information. Please ensure it is thoroughly read and understood before installing, operating or maintaining the equipment.
  • Page 2: Table Of Contents

    11. Weights and Measures _________________ 27 1.2 Rotork Setting Tool ..... . . 4 6.2 IQTM Actuators ......13 1.3 Introduction to this manual .
  • Page 3: Introduction

    Hand Wheel Hand-Auto Lever Earth Point Base Travel Stops Oil Plug (optional) Local / Remote / Stop Selector Battery Sealing Plug Metal (8mm Allen key required) Oil Plug Plastic (10mm Allen key required) (optional) as appropriate. IQT3 manual – Section: Introduction...
  • Page 4: Rotork Setting Tool

    B, C & D, T4 2. The following checks must be conducted applicable code of practice. The new BTST is able to connect to Rotork Canada – CSA Exia Int Safe, Class I, Div 1, on the BTST prior to taking it into a Bluetooth ®...
  • Page 5: Introduction To This Manual

    Should further information and guidance relating to the safe use of the Rotork IQT range of actuators be required, it will be provided on request. The electrical installation, maintenance and use of...
  • Page 6 PPS (Poly- has been indicated on the actuator WARNING: Motor Temperature Phenolyne Sulfide). nameplate. Under normal operation the The wireless aerial is made from temperature of actuator’s motor cover Polytetrafluoroethylene (PTFE). IQT3 manual – Section: Health and Safety...
  • Page 7: Atex/Iecfm Certified Actuators

    Explosionproof, Class I, Div 1, Electronics, Motor & Terminal enclosures Groups C, D (-50 to +40 Every Rotork actuator has been fully Electronics, Motor & Terminal tested before leaving the factory to Explosionproof, Class I, Div 1, enclosures...
  • Page 8: Operating Your Iqt Actuator

    Remote Control Rotate the red selector to the Remote position (clockwise), this allows remote control signals to operate the actuator. Local Stop can still be used by turning the red knob anti-clockwise. IQT3 manual – Section: Operating your IQT Actuator...
  • Page 9: Display - Local Indication

    Positioning (% position / demand) to 1 decimal place. communication activity. LEDs will also homescreens are selected. Refer to flash when keys are pressed. section 4.4. IQT3 manual – Section: Operating your IQT Actuator...
  • Page 10: Display - Home Screen Selection

    5 minutes after the Positioner - Position with digital and last setting tool command or until the analogue position demand indication actuator power is cycled. IQT3 manual – Section: Operating your IQT Actuator...
  • Page 11: Display Status Indication - Travel

    After replacing a battery the alarm icon will continue to be displayed Fig. 4.7.1 until the next check and may take up to 1 hour. Cycling the power will force a battery check and clear the alarm. IQT3 manual – Section: Operating your IQT Actuator...
  • Page 12: Preparing The Drive Bush

    5.2.1. available as shown in figure 5.1.1. Using the a 3 mm allen key, unscrew the two capscrews retaining the drive bush and remove the drive bush from the actuator. Fig. 5.2.2 IQT3 manual – Section: Preparing the Drive Bush...
  • Page 13: Mounting The Actuator

    M24 - Hex 340.3 251.0 top heavy and therefore unstable. travel. Refer to section 5.6. Fig. 6.4.1 Table B IQT3 manual – Section: Mounting the Actuator...
  • Page 14: Cable Connections

    WARNING: The maximum supply for actuators connected to phase-earthed systems Fig. 7.1.1 Terminal numbers refer to connections as shown on the actuator circuit diagram is 500 VAC. IQT3 manual – Section: Cable Connections...
  • Page 15: Cable Entry

    Spring washers must be compressed. appropriately certified threaded blanking Screw tightening torques must not plug must be used without the use of an interposing thread adaptor. exceed 1.5 Nm (1.1 lbf.ft) IQT3 manual – Section: Cable Connections...
  • Page 16: Commissioning - Basic Settings

    The basic settings affect the correct operation of the valve by the actuator. If the actuator has been supplied with the valve, the valvemaker or supplier may have already made these settings. IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 17: Connecting To The Actuator

    Bluetooth connection will be turned off and the Setting tool and display blue lights will go out. To manually turn Back Forward off Bluetooth connection at any time, Down press the setting tool keys together. Fig. 8.1.1 IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 18: Security - Password

    ROTORK is displayed and the OK the function value, press the warning will be displayed: key is highlighted. back button to escape without changing. Press the key. Fig. 8.2.1 Select OK to return to settings screen. IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 19: Basic Settings Menu

    TORQUE SWITCH the actuator. Other functions can BYPASS Security be set as required. Open Open Position (0 - 95% Close Defaults Closing Position (100 - 5%) AUTO LIMIT SETTING IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 20: Basic Settings - Limits

    Auto Limit Setting 15 / 15 Auto Set Limit 1 / 15 Function Close Direction (1 / 15) is shown highlighted. Use to scroll through functions. Functions will be highlighted in turn. IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 21: Close Settings

    Move the actuator and valve to the required setting. Press to set. close position. Allow for overrun by winding in the opening direction by ½ to 1 turn of the handwheel. Press to set the close limit position. IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 22: Torque Switch Bypass

    Closed and Open limit positions. Press to set. Press to select Closing Torque Switch Bypass function. Use Note: IQTF is limited to a to check required setting. maximum of 22 turns. Press to set. IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 23 Press to select Auto Limit Set function. The actuator will display the Error following instruction: Auto Limit Set Failed Cancel Fig. 8.7.2 IQT3 manual – Section: Commissioning - Basic Settings...
  • Page 24: Maintenance, Monitoring And Troubleshooting

    Battery replacement must be carried out with mains power isolated. IQT3 manual – Section: Maintenance, Monitoring and Troubleshooting...
  • Page 25 ATEX/IEC Ex - Rotork Part 95-462 or can be pinpointed as well as gauging Low/High Temp Numbers: 95-614 the torque developed through stroke Fig. 9.7.2 Battery Type Table IQT3 manual – Section: Maintenance, Monitoring and Troubleshooting...
  • Page 26: Environmental

    Grease Side Handwheel / linear drive 13 02 08 May require special treatment before Rubber Seals & O-rings Cover and shaft sealing 16 01 99 disposal, use specialist waste disposal companies IQT3 manual – Section: Environmental...
  • Page 27: Weights And Measures

    Castrol Aero HF585B IQT 1000, 37 (81.5) 1.6 (3.4) 1600ml / 3.4 pint (US) 2000 IQT 3000 39 (86.0) 1.6 (3.4) Refer to actuator nameplate for oil type. For oil plug location, refer to 1.1. IQT3 manual – Section: Weights and Measures...
  • Page 28: Iqt Approvals

    *Option -30°C to +70°C (-22°F to +158°F) *Option -40°C to +70°C (-40°F to +158°F) *Option -40°C to +70°C (-40°F to +158°F) *Option -50°C to +40°C (-58°F to +104°F) *Option -50°C to +70°C (-58°F to +158°F) IQT3 manual – Section: IQT Approvals...
  • Page 29 Temperature -30°C to +70°C (-22°F to +158°F) *Option -40°C to +70°C (-40°F to +158°F). *Option -50°C to +40°C (-58°F to +104°F). Rotork can supply actuators to national standards not listed above. For details please contact Rotork. IQT3 manual – Section: IQT Approvals...
  • Page 30: Approved Fuses

    DC – FS2 Transformer Value Manufacturer Part number Types 5 500 mA Bussmann S505-500-R FS3 – (Battery loom on ATEX builds only) Transformer Value Manufacturer Part number Bussmann S500 100 mA Quick blow Littlefuse IQT3 manual – Section: Approved Fuses...
  • Page 31: Conditions Of Safe Use

    Electrical Cover / Gearcase 0.15 26.00 IQT all sizes Encoder shaft / Encoder shaft bush 0.08 27.00 IQT all sizes Encoder shaft bush / Gearcase 0.07 25.00 IQT all sizes Note: Negative sign denotes an interference fit. IQT3 manual – Section: Approved Fuses...
  • Page 32 The name Rotork is a registered trademark. Rotork recognises all registered trademarks. The Bluetooth ® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Rotork is under license. Published and produced Date of issue 09/16 in the UK by Rotork Controls Limited. POWJB0916...

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