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IAI5001-01 

Page 7 of 9 

07/18 

 

To set LS1, the OPEN position (Full CCW Position):

 

o

 

Turn power off and use manual override to turn valve to 
the open position. 

 

o

 

Remove cover and loosen the set screw on the bottom 
cam TC1.

 

o

 

Rotate cam clockwise to reset the switch contact.

 

o

 

Then,  slowly  rotate  cam  counter-clockwise  until  a  light 
click is heard.

 

o

 

Securely tighten the cam and apply power to check the 
end position. 

 

 

To set LS2, the CLOSE position (Full CW Position):

 

 

o

 

Turn power off and use manual override to turn valve to 
the closed position. 

 

o

 

Loosen the set screw on cam TC2.

 

o

 

Rotate  cam  counter-clockwise  to  reset  the  switch 
contact.

 

o

 

Then,  slowly  rotate  cam  clockwise  until  a  light  click  is 
heard.

 

o

 

Securely tighten the cam and apply power to check the 
end position. 

 

 

To set LS3 - OPEN (Auxiliary Switch):

 

o

 

Ensure that the actuator is in the fully CCW position.

 

o

 

Loosen the set screw on cam TC3.

 

o

 

Rotate cam clockwise to reset the switch contact.

 

o

 

Then,  slowly  rotate  cam  counter-clockwise  until  a  light 
click is heard.

 

o

 

Slowly  continue  to  rotate  in  the  same  direction  for 
approx. 3°.

 

o

 

Securely tighten the cam and apply power to ensure this 
switch trips, before reaching the end position.

 

 

 

Photo 10

 

Switch Arrangement 

in Model ‘A’

 

Photo 11

 

Switch Arrangement in 

Models 

‘B, C, and D’

 

TC1 

TC2 

TC3 

TC4 

LS1 

LS2 

LS3 

LS4 

Содержание IVS A

Страница 1: ...Receiving Inspection Carefully inspect for shipping damage Damage to the shipping carton is usually a good indication that it has received rough handing Report all damage immediately to the freight c...

Страница 2: ...ate between 0 and 90 Most failsafe quarter turn products will not require recalibration of these settings If any travel adjustment is necessary please refer to the Limit Switch Setting section below 2...

Страница 3: ...Commissioning section below 12 Check below explanation of Duty Cycle The intended service should not go above the maximum duty cycle as noted on the actuator nameplate Installation Notes These actuat...

Страница 4: ...ide gearbox if supplied compresses the spring as the valve is opened See Photo 4 The unit is shipped without the handwheel assembled as shown in Photo 5 Using the hardware provided thread the socket h...

Страница 5: ...ctrical travel limiting device The mechanical end stop MUST always be set before the limit switch settings Ensure that the power is OFF Locate the housing cap see Photo 8 and remove the cap screws usi...

Страница 6: ...he open and closed position of the valve The position is set to stop the travel of the actuator when the travel cams activate the limit switch Standard is two limit switches LS1 LS2 one for open one f...

Страница 7: ...set screw on cam TC2 o Rotate cam counter clockwise to reset the switch contact o Then slowly rotate cam clockwise until a light click is heard o Securely tighten the cam and apply power to check the...

Страница 8: ...oosen the set screw on cam TC4 o Rotate cam counter clockwise to reset the switch contact o Then slowly rotate cam clockwise until a light click is heard o Slowly continue to rotate in the same direct...

Страница 9: ...than specified New valve may be required The voltage may be under over rated Check the supply voltage The actuator may be against one of the mechanical end stops Reset limit switches and adjust end s...

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