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