Worcester controls – Flowserve 10 ACCESS I 39 Actuators User Manual

Page 4

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10, 15, 20 ACCESS I 39 Actuators

WCAIM2027

position, power to the coil and coil continuity,
respectively. With the adjustment screw near its loose
limit, adjust the open switch SW-1 by tightening the
adjustment screw until the green LED turns on. Then
tighten the adjustment screw one additional turn.

When power to the solenoid is off, the actuator will cycle to
its original configuration. The green, yellow and orange
LEDs will turn off indicating the valve is no longer fully open
and the solenoid is de-energized. At the end of the stroke
the red LED will turn on indicating closed position and
solenoid de-energized.

b. Switch adjustment for “standard” mounting (240 VAC

Dual Voltage PC Board or 24 VDC; 24, 120 VAC units
without a solenoid using Switch Indication LEDs only):

With actuator mounted in “standard” mounting
configuration (see step 1) and wired per appropriate
wiring diagram, set actuator in the closed position. With
the adjustment screw near its loose limit, adjust closed
position switch SW-2 by tightening the adjustment screw
until red LED turns on. Then tighten the adjustment
screw one additional turn. With air supply to actuator,
energize the solenoid, if applicable, and cycle valve to full
open position. The red LED will turn off. With the
adjustment screw near its loose limit, adjust the open
switch SW-1 by tightening the adjustment screw until the
green LED turns on. Then tighten the adjustment screw
one additional turn.

When power to the solenoid or air supply is off, the
actuator will cycle to its original configuration. The green
LED will turn off indicating the valve is no longer fully
open and the solenoid is de-energized or air supply is off.
At the end of the stroke the red LED will turn on
indicating closed position and solenoid de-energized or
air supply off.

c. Switch adjustment for “standard” mounting (Units not

using PC Board and/or not using LEDs):

With actuator mounted in “standard” mounting
configuration (see Step 1) set actuator in full closed
position with the adjustment screw near its loose limit.
Adjust closed position switch SW-2 (see Wiring Diagram)
by tightening the adjustment screw until switch contacts
click. Then tighten adjustment screw one additional turn.
With air supply to actuator, energize solenoid, if applicable,
cycle to the full open position and adjust open position
switch SW-1 in the same manner.

d. Switch adjustment for “fail-open” mounting (24 VDC; 24,

120 VAC PC Boards using LEDs):

With actuator mounted in fail-open mounting
configuration (see step 2) and wired per appropriate
wiring diagram, set actuator in the open position with the
adjustment screw near its loose limit. Adjust open

position switch SW-2 by tightening the adjustment screw
until the green LED turns on. Then tighten the adjustment
screw one additional turn. With air supply to actuator,
energize the solenoid and cycle to the full closed position.
The green LED will turn off and the yellow and orange
LEDs will be lit indicating the valve is no longer fully
open, power to the coil, and coil continuity, respectively.

With the switch adjustment screw near its loose limit,
adjust the closed position switch SW-1 by tightening the
adjustment screw until red LED turns on. Then tighten the
adjustment screw one additional turn.

When power to the solenoid is off, the actuator will cycle
to its original configuration. The red, yellow and orange
LEDs will turn off indicating the valve is no longer fully
closed and the solenoid is de-energized. At the end of the
stroke the green LED will turn on indicating full open
position.

e. Switch adjustment for “fail-open” mounting (240 VAC

Dual Voltage PC Board or 24 VDC; 24, 120 VAC units
without a solenoid using Switch Indication LEDs only):

With actuator mounted in fail-open mounting
configuration (see step 2) and wired per appropriate
wiring diagram, set actuator in the open position with the
adjustment screw near its loose limit. Adjust open
position switch SW-2 by tightening the adjustment screw
until the green LED turns on. Then tighten the adjustment
screw one additional turn. With air supply to actuator,
energize the solenoid, if applicable, and cycle to the full
closed position. The green LED will turn off.

With the switch adjustment screw near its loose limit,
adjust the closed position switch SW-1 by tightening the
adjustment screw until red LED turns on. Then tighten the
adjustment screw one additional turn.

When power to the solenoid or air supply is off, the
actuator will cycle to its original configuration. The red
LED will turn off indicating the valve is no longer fully
closed, and the solenoid is de-energized or the air supply
is off. At the end of the stroke the green LED will turn on
indicating full open position.

f.

Switch adjustment for “fail-open” mounting (Units not
using PC Board and/or not using LEDs):

With actuator mounted in fail-open mounting configuration
(see Step 2) set actuator in full open position with the
adjustment screw near its loose limit. Adjust open position
switch SW-2 (see Wiring Diagram) by tightening the
adjustment screw until contacts click. Then tighten
adjustment screw one additional turn. With air supply to
actuator, energize solenoid, if applicable, cycle to the full
closed position and adjust closed position switch SW-1 in
the same manner as SW-2.

Flow Control Division

Worcester Controls

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