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HQ Series Quarter-turn Electric Actuator 

Installation Operation& Maintenance Manual 

Doc No. : HumG-HQ-21 Rev2 

Page  8 / 26 

Valve Automation Leader, HKC 

4.1.2.

 

Use in potentially explosive atmosphere 

Model 

HQ - 

. . . 

3 

.

0 

. . . 

0 

1)

 

Type of protection 

[IECEx: Ex db IIB T4, Ex tb IIIC T135℃ Db,  
ATEX: II 2G Ex db IIB T4 Gb, II 2 D Ex tb IIIC T135℃ Db---17 Rev0] 

Ambient Temperature 

-20 ℃ ~ +60 ℃ 

If remained openings on the enclosure after installation for use in potentially explosive atmosphere, 
the hole shall be blanked with a [certified blanking element suitable for protection of Ex db IIC or Ex 
tb IIIC respectively. ----- 16 Rev1] 

DANGER: 

Installation, commissioning, maintenance, repairs and modification work must 

only be performed by qualified personnel with extensive knowledge on how to work on 

explosion-proof electrical equipment. 

 WARNING:  

Read  this  installation,  operation  and  maintenance  manual  carefully  and  completely  before 

attempting to install, operate, or troubleshoot the HKC actuator. 

 

NOTE: 

1)

 

Further information can be found from the HQ-series electric actuator catalogue 

Refer to the CI.3 in this manual 

4.2.

 

Actuator Mounting 

Note: 

Prior to mounting, the part-turn actuator must be checked for any damage 

Damaged parts must be replaced by original spare parts 

4.2.1.

 

Mounting is most easily done with the valve shaft pointing vertically upward. But mounting is also 
possible in any other position; the actuator may be mounted in any position. 

4.2.2.

 

The HQ-series electric actuators are supplied with a female drive output. The ISO5211 bolt patterns 
are provided for actuator mounting. The actuator drive bush is removable for ease of machining. It 
is  mandatory  for  the  actuator  to  be  firmly  secured  to  a  sturdy  mounting  bracket  or  directly 
mounted to the valves’ ISO mounting pad. High tensile bolts or studs with spring locking washers 
must be used. 

4.2.3.

 

The valve output shaft must be in lined with the actuator output drive to avoid side-loading the 
shaft. To avoid backlash, flexibility in the mounting bracket or mounting should not be allowed. 

CAUTION:  

Do not attempt to work on your HKC actuator without first shutting off the incoming power.  

Do not attach ropes or hooks to the hand wheel for the purpose of lifting by hoist

 

4.2.4.

 

Actuator Mounting Base Details (ISO 5211) 

 

 

Summary of Contents for HQ Series

Page 1: ...G HQ 21 Rev2 Page 1 26 Valve Automation Leader HKC HQ Series Quarter turn Electric Actuator Installation Operation Maintenance Manual Address 26 Emtibeui 28 ro Siheung si Gyeonggi do 15119 Republic of Korea Tel 82 31 488 8266 Fax 82 31 488 8269 Home page www hkcon co kr email hkcon hkcon co kr ...

Page 2: ...ter Clockwise to Close Setting 9 4 6 Mechanical Travel Stop Adjustment 9 4 7 Setting Potentiometer Replacement and Setting 10 4 8 Current Position Transmitter CPT Optional 10 4 9 Proportional Control Unit 11 4 10 ac dc Multi board 16 Rev1 17 5 Apply for optional communication protocol 17 5 1 ProfiBus Controller PBC 17 5 2 ModBus Controller 18 6 Wiring 19 6 1 Electrical Connections and Preliminary ...

Page 3: ...actice will result in severe injury or death WARNING Refers to personal safety Alerts the user to potential danger Failure to follow warning notices could result in personal injury or death CAUTION Directs the user s attention to general precautions that if not followed could result in personal injury and or equipment damage Notes Highlighted information is critical to the user s understanding of ...

Page 4: ...MPa stainless steel Bolts type M5 0 8 M6 1 M8 1 25 M10 1 5 M12 1 75 Tolerance Fit 6g 17 rev0 Cable connection Refers to the Appendix Ⅱ Wiring Diagram For cable entries or conduit entries that are not used user or installer shall close by certified blanking elements stopping plugs so that the flameproof or dust ignition proof properties of the enclosure are maintained Always ground the enclosure in...

Page 5: ... 6 7 3 5 3 4 3 2 3 1 3 2 1 5 1 1 1 8 1 0 1 7 0 9 50 49 5 75 HQ 300 300 112 93 65 NA 7 2 7 6 6 5 6 9 3 1 3 3 2 8 3 0 2 9 1 5 1 1 1 8 1 0 1 7 0 9 50 49 5 75 HQ 350 350 39 33 75 NA 24 9 19 2 22 6 17 4 12 4 9 5 11 2 8 7 11 2 4 2 3 0 3 8 2 6 3 6 2 5 40 42 75 HQ 400 400 58 49 75 NA 24 9 19 2 22 6 17 4 12 4 9 6 11 2 8 7 11 3 4 2 3 0 3 8 2 6 3 6 2 5 40 42 75 HQ 600 600 78 66 110 NA 16 3 11 6 14 8 10 5 9 9...

Page 6: ...d duty cycle may cause thermal overload Note 1 Type of duty according to VDE 0530 IEC 60034 1 Short time duty S2 Intermittent duty S4 The operation time at a constant load is short so that thermal equilibrium is not reached The pause is long enough for the machine to cool down to ambient temperature Example the duration of the short time operation is limited to 15min 15 Rev0 The duty is a sequence...

Page 7: ...Q 008 HQ 080 Note HQ 008 HQ 010 does not contain torque switch assembly 4 Installation 4 1 Pre installation 4 1 1 Use in general service Verify the actuator s nameplate to ensure correct model number torque output operating speed voltage and enclosure type before installation or use It is important to verify that the torque output of the actuator is appropriate for the torque requirements of the v...

Page 8: ...c actuator catalogue Refer to the CI 3 in this manual 4 2 Actuator Mounting Note Prior to mounting the part turn actuator must be checked for any damage Damaged parts must be replaced by original spare parts 4 2 1 Mounting is most easily done with the valve shaft pointing vertically upward But mounting is also possible in any other position the actuator may be mounted in any position 4 2 2 The HQ ...

Page 9: ...etting 4 4 1 Torque spring which detects the variation of torque during the operation is installed to prevent damaging the valve and actuator under overload condition Once the actuator is under overload the torque switch trips and the actuator stops immediately 4 4 2 The torque switches are set by manufacturer on the production site If re setting is necessary please contact the HKC service represe...

Page 10: ...lows 4 7 1 Manually rotate the hand wheel of the actuator to fully closed position 4 7 2 While measuring the resistance between P1 and P2 gently rotate the Potentiometer Gear until it reaches between 80 120 Ω 100 Ω preferred 16Rev1 4 7 3 Engage the Potentiometer Gear into the Point Shaft Gear and use an L wrench to tighten the screw Delete Danger 16 Rev1 4 8 Current Position Transmitter CPT Option...

Page 11: ... When the actuator is in the fully closed position adjust the ZERO dial on the CPT board until a reading of 4mA is achieved Apply power or use the manual override to drive the actuator to its fully open position counter clockwise rotation When the actuator is in the fully open position adjust the SPAN dial on the CPT board until a reading of 20mA is achieved 4 9 Proportional Control Unit Never wel...

Page 12: ...8 0 2 step Step10 15 5 7 5 0 5 step 0 4 7 5 It can be set in 16 step Step 0 4 0 4 0 8 0 1 step Step 5 9 1 1 8 0 2 step Step10 15 5 7 5 0 5 step Fault mode Fail close Fail open Fail stop Position conversion accuracy 0 2 to 5 may vary depending on conditions Ambient temperature 25 to 80 Ambient humidity 90 RH max non condensing condition Dielectric strength 1500V ac 1 minute 500V ac 1 minute Insulat...

Page 13: ...tep A F increase 0 5 increment per step 5 0 7 5 Initial setting is 4 If the setting value is too low the actuator may not be found the target point and it may be repeatedly operated in forward or reverse direction This is called Hunting and the user must appropriately adjust the deadband to avoid from the hunting Continuous hunting causes a failure of the actuator parts such as motor PCU board pot...

Page 14: ...ny button of ZERO SPAN ASCAN during the auto setting processes the auto setting mode will be cancelled 4 9 8 Fail close FC fail open FO and fail stop Dip Switch PCU model Power source SW3 PCU EB V1 5D for AC SW1 PCU DC V2 1C for DC When an analogue command signal does not come in or a wrong signal is received the PCU board will detect the Fault and operates actuator automatically in open close and...

Page 15: ...nd Red LED will be ON setting completed Wait until only the Green LED flickers after both Red and Green LED flicker for about 1 5 second Turn down No 4 of the dip switch I S input set to finish the setting If No 4 switch of the dip switch is turned down during setting the setting will be cancelled If there is no input for 2 minutes the setting process will also be cancelled 4 9 12 Adjust output fe...

Page 16: ...ode 4 9 14 LED display Operating display Status LED Color Display Function Open Red On Fully opened Flicker Moving to open position Auto Blue On Power on Flicker Auto setting Close Green On Fully closed Flicker Moving to close position Fault Yellow On Manual mode Flicker Malfunction Error display on the PCU EB V1 5D board for AC PCU EB V1 5D board for AC indicates an error condition when the yello...

Page 17: ...input switch As using for ac mode 1 switch on 2 switch off As using for dc mode 1 switch off 2 switch on 16 Rev1 NOTE Don t turn on both switch 1 and 2 at the same time that become a reason of damage of the board Motor terminal block Red wire of motor to connect 1 Black wire of motor to connect 2 16 Rev1 5 Apply for optional communication protocol 5 1 ProfiBus Controller PBC 5 1 1 ProfiBus Control...

Page 18: ... Slave Module MBRSM Positioned at level 7 of the OSI model MODBUS is an application layer messaging protocol that provides client server communication between devices connected on different types of buses or networks 5 2 2 As a MODBUS Serial Line protocol MODBUS RTU Remote Terminal Unit is a Master Slave protocol which takes place at level 2 Data Link layer of the OSI model The master initiates th...

Page 19: ...er shall close by Ex db IIC or Ex tb IIIC certified blanking element suitable for each type of protection Ex db or Ex tb so that type of protection of the enclosure is maintained 17 Rev0 Dust ignition proof enclosure Use a damped cloth for equipment surface cleaning 15 Rev1 Flame proof enclosure 17 Rev0 Treat cover with care Gap surfaces must not be damaged in any way Do not jam cover during fitti...

Page 20: ...Gap surfaces must not be damaged or dirtied in any way Do not jam the cover during fitting 7 2 Tools 7 2 1 Metric Allen Key Hex Wrench 1 7 2 2 Screw Driver 1 7 2 3 Metric Spanner 1 7 2 4 Wrench 200mm 1 7 2 5 Wrench 300mm 1 7 2 6 Wire Stripper Long Nose 1 7 2 7 Multi meter ac dc resistance 1 7 2 8 In case of PCU A D Board Option dc Signal Generator 4 20mA dc 1 7 2 9 In case of PCU CPT Board Option ...

Page 21: ...st ignition proof enclosure It may be charged electrostatic potential Therefore it shall be installed in such way that the risk from electrostatic discharge and propagation brush discharge caused by rapid flow of dust is avoided 15 Rev 1 CAUTION A regular inspection and maintenance should be performed by qualified and trained personnel Treat cover with care Gap surfaces must not be damaged or dirt...

Page 22: ...ept HQ 050 HQ 300 8 24 V ac dc Except HQ 050 HQ 300 9 12V dc Except HQ 015 HQ 300 A 12V ac dc Except HQ 015 HQ 300 c Option 1 Control Unit 0 without control unit 1 ICU Intelligent Digital Control Unit LCU C IMS Auto Phase Discriminator 2 SICU Semi Integral Control Unit LCU B IMS Phase Protect Indicator 3 RBP Rechargeable Battery Backup this option excludes from explosion proof 17 Rev0 4 IMS Integr...

Page 23: ...e Manual Doc No HumG HQ 21 Rev2 Page 23 26 Valve Automation Leader HKC Appendix II Wiring Diagram HQ 008 010 Standard 1Ph HQ 008 010 Standard DC DANGER HAZARDOUS VOLTAGE No electrical power should be connected until all wiring and limit switch adjustments have been completed ...

Page 24: ...ntenance Manual Doc No HumG HQ 21 Rev2 Page 24 26 Valve Automation Leader HKC HQ 015 300 Standard 1Ph HQ 015 300 Standard 1Ph PCU 17 Rev1 DANGER HAZARDOUS VOLTAGE No electrical power should be connected until all wiring and limit switch adjustments have been completed ...

Page 25: ...25 26 Valve Automation Leader HKC HQ 015 030 Standard DC HQ 015 030 Standard DC PCU 17 Rev1 DANGER HAZARDOUS VOLTAGE No electrical power should be connected until all wiring and limit switch adjustments have been completed NOTE Each actuator is packed with individual box and you can get the wiring diagram inside ...

Page 26: ...e Automation Leader HKC Appendix III Grounding HQ 008 010 HQ 015 and bigger size 19 Rev0 HKC Co Ltd 26 Emtibeui 28 ro Siheung si Gyeonggi do 15119 Republic of Korea Head Office Plant Tel 82 31 488 8266 Fax 82 31 488 8269 Fax Overseas sales office 82 31 488 9622 Domestic sales office 82 31 319 8267 Website www hkcon co kr ...

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