IQT3 manual – Section: Commissioning - Basic Settings
21
8.5 Close Settings
1 / 15. Close Direction
Function sets the direction required to
close the valve. Manually operate the
actuator and valve to establish closing
direction.
Press
to select Close Direction
function. Use or to check
required setting. Press
to set.
2 / 15. Close Action
The actuator can be configured close
on torque for seating valve types or
limit for non-seating valve types.
Refer to Valve manufacturer
for recommended setting. In the
absence of valvemaker instruction
refer to the following table.
Valve Type
Close
Action
Open
Action
Wedge gate
Torque
Limit
Globe
Torque
Limit
Butterfly
Limit
Limit
Through Conduit
Limit
Limit
Ball
Limit
Limit
Plug
Limit
Limit
Sluice gate
Limit
Limit
Penstock
Limit
Limit
Parallel Slide
Limit
Limit
Press
to select Close Action
function. Use or to check
required setting. Press
to set.
3 / 15. Close Torque
The value of torque available to close
the valve can be set between 40%
and 100% of rated. The actuator
rated torque value is shown on its
nameplate.
Press
to select Close Torque
function. Use key to decrease value
and key to increase value.
Press
key to set.
4 / 15 Set Close Limit
Press
to select Close Limit Function.
The actuator will display the following
Instruction:
Fig. 8.5.1
Move the actuator and valve to the
close position. Allow for overrun by
winding in the opening direction by
½ to 1 turn of the handwheel.
Press
to set the close limit position.
8.6 Open Settings
5 / 15. Open Action
The actuator can be configured open
on torque for seating valve types or
limit for non-seating valve types.
Refer to Valve manufacturer
for recommended setting. In the
absence of valvemaker instruction
set open action to “Limit”.
Press
to select Open Action
function. Use or to check
required setting. Press
to set.
6 / 15. Open Torque
The value of torque available to open
the valve can be set between 40%
and 100% of rated. The actuator
rated torque value is shown on its
nameplate.
Press
to select Open Torque
function. Use key to decrease value
and key to increase value.
Press
to set.
