NOTE:
It is possible to set the Open
Limit Position
[LO]
first.
50
Q
Q
P?
O
PC
O
Ir
O
Ic
Q
cr
Q
c1
O
c2
O
c3
Q
tC
O
tO
Q
LC
O
LO
Q
50
NOTE:
When in checking mode Set
Limit Closed
[LC]
does not appear.
With [LC] displayed
Limit Closed
Move valve manually to the closed
position. Allow for overrun by winding
actuator output open by two
handwheel turns.
PRESS THE
KEY.
The two bars will flash and the closed
indicator lamp will illuminate, indicating
closed limit position has been set.
PRESS THE
O
KEY.
To check closed limit position hand
wind valve open until the amber lamp
illuminates. Wind valve back closed
until the closed lamp illuminates.
50
Q
Q
P?
O
PC
O
Ir
O
Ic
Q
cr
Q
c1
O
c2
O
c3
Q
tC
O
tO
Q
LC
O
LO
Q
50
NOTE:
When in checking mode Set
Limit Open
[LO]
does not appear.
With [LO] displayed
Limit Open
Move valve manually to the open
position. Allow for overrun by winding
actuator output closed by two
handwheel turns.
PRESS THE
KEY.
The two bars will flash and the open
indicator lamp will illuminate, indicating
open limit position has been set.
PRESS THE
Q
KEY.
The open symbol
(refer to Fig. 3.3.
page 4)
should now appear.
22
Set Limit Closed
LC
Set Limit Open
LO
