LCU-P
Installation, Operation & Maintenance Manual
Doc. No.: HumG-LCUP-19 Rev.0 E
Page 6 / 14
Valve automation leader HKC
LED display
Action
8)
Select “Close” in the action knob
9)
When action is in closing progress, the close (green) LED is
flickering
10)
If Closing is completed, the close (green) LED will be
maintaining as on
11)
After that the actuator is stopped.
* If you want to make stop the actuator under operating, select
the stop position of the mode knob
◎ Error
- In case of missing a phase or reverse contact in the 3 phase.
- Encountered torque switches due to over torque during
operating.
* Please refer to Error display –Page 13.
◎ If it is fault condition, the fault LED(amber) will be flickering.
6.
Main function and usage in Remote Manual Control
6.1
Dry contacts control (command contact)
6.1.1
Command function is activated when is input an action by external dry contact.
6.1.2
Hold / Inching can be selected by changing the 3-pin Dip Switch (SW2) specified in No.
20 of “4. LCU-P board layout”.
①
Pin No.2 : select as Hold (On) / Inching (Off)
6.1.3
Connect the actuator terminal from outside refer to Fig 1 as below.
< Fig 1 Actuator terminal wiring >
6.1.4
The actuator does not work if the 6 (Stop) and 9 (Com) terminals are not connected.
6.1.5
Check action of the actuator after wiring.
6.1.6
When operating at the site after connect the Common wire;
①
After make jumper between No.6 (Stop) and No. 9 (Com) terminal, and make jumper
between No.7 (Open) and No. 9 (Com) terminal, after that the actuator will be moved to
open.
②
After make jumper between No.6 (Stop) and No. 9 (Com) terminal, and make jumper
between No.8 (Close) and No. 9 (Com) terminal, after that the actuator will be moved to
close.
③
Dip switch (SW2) setting at the clause 6.1.2