HQ Series Quarter-turn Electric Actuator
Installation Operation& Maintenance Manual
Doc No. : HumG-HQ-21 Rev2 Page 2 / 26 Valve Automation Leader, HKC
Contents
1. Introduction .............................................................................................................................................. 3
1.1. Purpose................................................................................................................................................................... 3
1.2. Safety Notices ....................................................................................................................................................... 3
2. Product Identification .............................................................................................................................. 3
2.1. Product Identification .......................................................................................................................................... 3
2.2. Initial Inspection ................................................................................................................................................... 4
2.3. Storage ................................................................................................................................................................... 4
3. General Information and Features ........................................................................................................ 5
3.1. General information ............................................................................................................................................. 5
3.2. External Parts for Standard Models .................................................................................................................. 7
3.3. Internal parts for standard model ..................................................................................................................... 7
4. Installation ................................................................................................................................................ 7
4.1. Pre-installation ...................................................................................................................................................... 7
4.2. Actuator Mounting ............................................................................................................................................... 8
4.3. Limit Switch Setting ............................................................................................................................................. 9
4.4. Torque Switch Setting ......................................................................................................................................... 9
4.5. Counter-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 Test ................................................................................................. 19
7. Maintenance ........................................................................................................................................... 20
7.1. Maintenance ....................................................................................................................................................... 20
7.2. Tools .................................................................................................................................................................... 20
8. Trouble Shooting ................................................................................................................................... 20
8.1. The actuator does not respond ...................................................................................................................... 20
8.2. The actuator is supplied with power but does not operate ...................................................................... 20
8.3. Actuator runs erratically ................................................................................................................................... 21
8.4. Optional Equipment(s) ...................................................................................................................................... 21
9. Installation and Maintenance Tips ....................................................................................................... 21
Appendix I: HQ series Coding System ........................................................................................................ 22
Appendix II: Wiring Diagram......................................................................................................................... 23
Appendix III: Grounding ................................................................................................................................ 26