Koei Unic - 05, Руководство по эксплуатации

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-12-
Valve Position Indicator
Limit Dog
Limit Dog Screw
Position Indicator Screw
Sleeve Screw
Dog Screw
Output Shaft
Sleeve
[ Unic-20, -40 ]
[Fig.13]
8-2 Potentiometer resistance output (option)
[Fig.14]
a) Remove top cover.
See switches and dogs in the left (Fig.13).
b) Switches are arranged in the left and right. The right
are for close, left are for open.
(Upper for contact output)
c) Manually set the opening at 1/2 ~1 handle turn
before stop position.
d) Loosen dog screw and fix the switch at the position it
clicks.
*Adjust both right and left (open and close).
e) After the adjustment, confirm that the switches
function just before stop position.
f) Loosen dial plate screw and fix it at the set opening.
Potentiometer
Position Indicator Screw
Valve Position Indicator
Sleeve
Sleeve Screw
Dog Screw
Limit Dog
Output Shaft
Opening Spur Gear
Gear Screw
Gear Screw
Potentio Spur Gear
a) Remove actuator top cover (Electric unit cover).
Potentiometer is connected with gears as shown in
[Fig.14].
b) Potentiometer is available with 135 Ω , 500 Ω , 1K Ω
for users choice.
c) Set the opening manually at “ Full close ”.
d) Apply a tester between terminals 4 and 5, and loosen
sleeve screw for turn. Set the potentiometer at a
desired resistance, then, screw it up. Adjustment is
now over.
Make sure that the position switch (stop) functions
in position.
e) Confirm the resistance at full close and full open that
output resistance is within the range.
f) Finally, loosen dial plate and fix it at the set opening.
Potentiomete