Centork CK Standart Startup Manual

Electric valve actuators

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CK Standard & CK
- Start Up Guide
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Modular Design
Electric Valve Actuators

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Summary of Contents for Centork CK Standart

  • Page 1 Brand CK Standard & CK - Start Up Guide Modular Design Electric Valve Actuators...
  • Page 2: Table Of Contents

    Our valve actuation products range from Our extensive international network enables us to think globally standard mechanical actuators to advanced digital actuators with and act locally when it comes to supporting our customers. Centork integral controls. provides an efficient sales service, after sales commissioning and Centork has an extensive product range catering for all industries.
  • Page 3: Ck Mechanical Switch Mechanism - Switch Testing

    CK Mechanical Switch Mechanism – Switch Testing Before following any of the setting instructions included in this document it is important to pay attention to the warnings and safety instructions included in PUB111-007 provided with the actuator. A 5mm Allen (Hex.) key and 1.0 x 5.5mm flat screwdriver are required to perform testing of the CK Mechanical Switch Mechanism.
  • Page 4 CK Mechanical Switch Mechanism – Switch Testing Test feedback switches (cont.) 4) Test torque switches in both directions using a flat screwdriver to turn TS TEST (ACW for open, CW for close). 5) Link a continuity meter across the following pairs of terminals to test each individual function.
  • Page 5: Ck Mechanical Switch Mechanism - Basic Settings

    CK Mechanical Switch Mechanism – Basic Settings A 5mm Allen (Hex.) key and 0.8 x 4mm flat screwdriver are required to perform commissioning of the CK Mechanical Switch Mechanism. INFO: For CK Standard and CK actuators, the required end of travel action (torque or position) is determined by the set of switches cabled to the controlling switch gear - refer to actuator terminal plan and site field wiring.
  • Page 6: Set Position Limits

    CK Mechanical Switch Mechanism – Basic Settings Set Position Limits OLS Indicator Window G OLS Adjustment Screw H Drive Clutch Shaft CLS Indicator Window CLS Adjustment Screw 1) Move the actuator to the valve CLOSED position using the handwheel. 2) Using a flat screwdriver, depress the Drive Clutch Shaft and rotate to the “Set”...
  • Page 7 CK Mechanical Switch Mechanism – Basic Settings 8) Move the actuator to the valve OPEN position using the handwheel. 9) Using a flat screwdriver, depress the Drive Clutch Shaft and rotate to the “Set” position as shown on the switch mechanism faceplate. 10) The OLS Adjustment Screw must now be rotated to engage the open limit switch inside the switch mechanism.
  • Page 8: Ck Additional Indication Drive - Switch Testing

    CK Additional Indication Drive – Switch Testing Test feedback switches WARNING: Isolate the main power supply to the actuator and remove the Plug & Socket cover. 1) Undo the four retaining cap screws on the switch mechanism cover and remove the cover to show the switch mechanism. 2) Confirm the torque or limit switches are functional by measuring the relevant feedback terminals on the plug assembly (see below).
  • Page 9 CK Additional Indication Drive – Switch Testing Test feedback switches (cont.) 5) Test the torque switches in both directions using the TS TEST lever shown on the left hand side of the unit between the AID module and Mechanical Switch Mechanism (move DOWN for open, UP for close).
  • Page 10: Ck Additional Indication Drive - Basic Settings

    CK Additional Indication Drive – Basic Settings A 5mm Allen (Hex.) key and 0.8 x 4mm flat screwdriver with at least 120mm shaft length are required to perform commissioning of the CK Mechanical Switch Mechanism. A small torch may be required in environments with low level lighting.
  • Page 11 CK Additional Indication Drive – Basic Settings 8) Move the actuator to the valve OPEN position using the handwheel. 9) Using a flat screwdriver, depress the Drive Clutch Shaft and rotate to the “Set” position as shown on the AID faceplate. 10) The OLS Adjustment Screw must now be rotated to engage the open limit switch inside the switch mechanism.
  • Page 12: Setting Local Position Disc

    Open and Close limit positions. A series of reduction gears ensure a suitable range of travel can be accommodated. If more turns are required please contact Centork. CAUTION: The actuator position limits must be configured prior to setting the Local Position Disc.
  • Page 13 CK Additional Indication Drive – Basic Settings 6) Move the actuator to the OPEN limit using electrical or operation or the handwheel. 7) Loosen off the Position Disc Retaining Screw by 1 turn whilst holding the CLOSE portion of the Position Disc. 8) Rotate only the red OPEN portion of the disc so that OPEN reads horizontally and then hold both portions in place.
  • Page 14: Setting Intermediate Switches

    CK Additional Indication Drive – Basic Settings Setting Intermediate Switches The AID Module can include four additional switches to indicate configurable intermediate positions. CAUTION: The actuator position limits must be configured prior to setting the Intermediate Switches. 1) Move the actuator to the desired intermediate position using electrical operation or the handwheel.
  • Page 15: Setting The Pot

    POT to be scaled according to the total valve travel. For information on which ratio is suitable for your application please contact Centork. CAUTION: The actuator position limits must be configured prior to setting the AID POT drive.
  • Page 16 The name Centork is a registered trademark. Centork 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 Centork is under license. Published and produced in the UK by Centork.

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