LCU-P
Installation, Operation & Maintenance Manual
Doc. No.: HumG-LCUP-19 Rev.0 E
Page 10 / 14
Valve automation leader HKC
②
Step 1~4
: increase 0.25 sec increment per step (0.25~1 sec)
③
Step 5~F
: increase 0.5 sec increment per step (2.5~7.5 sec)
④
Initial setting is “4”
7.5
Auto setting
7.5.1
It shall be proceeded “Stop” status of the mode knob.
7.5.2
Check connection status of the input power, input/output signal after actuator and valve
are correctly assembled.
7.5.3
When the wiring is normal without problem, push the auto setting button.
7.5.4
Then the Remote LED (blue light) of the window is flickering, and perform the auto
setting function.
7.5.5
Auto setting details
Select “Stop” position of the mode knob, and you can perform according to ① or ②
method as below.
①
Operate SW7 (A-SCAN) of the LCU-P board
1)
Need to open the LCU cover of the actuator, and push the Auto setting button.
②
Operate knob
1)
Confirm “Stop” position of the mode knob
2)
Hold for 5 seconds at “Close” of the action knob
3)
Confirm to Off from On of the blue LED
4)
Operate “Open” of the action knob within 3 seconds
5)
Confirm to Off from On of the blue LED as holding status for about 5 seconds
6)
Change to “Local” of the mode knob, and then turn to “Stop”
7)
Not need to open the LCU cover
7.5.6
After pushing the A-SCAN, Auto setting is performed as follows.
①
Flickering the blue LED continuously.
②
Green LED is flickering during closing, the green LED is on after fully closed.
If the actuator were already closed, the closing operation will be skipped.
③
Red LED is flickering during opening, the red LED is on after fully opened.
④
Green LED is flickering during closing, the green LED is on after fully closed.
⑤
When all of the sequences are automatically and successfully completed, blue LED will
be On, and then move to pre-specified position
Notes : During the auto setting processes, if you press any button or operate the knob,
the auto setting mode is cancelled.
7.6
Fail close (FC), fail open (FO) and fail stop
When an analogue command signal does not come in or a wrong signal is received, the LCU-P
will detect Fault and operates automatically open, close and stop according to specified fail
position.
Auto
setting
button