Installation Instructions

Document No. 129-335

April 1, 2021

Siemens Industry, Inc. Page 3 of 4

Figure 6. 277 Vac Actuator Wiring Diagram.

Manual Override

For manual positioning, rotate the manual override handle

clockwise 180°, and squeeze it to latch around protruding stop.

See Figure 7.

NOTE: The actuator will automatically unlatch when power

is applied.

Override

handle at

position 0.

Override

handle at

position 1.

Figure 7. Manual Override Handle Position.

Start-Up

When the manual override handle is at the "0" position, the

output shaft is retracted if the actuator is normally open, or

extended if normally closed. See Figure 8.

When the Manual Override handle is rotated to

position 1, the reverse is true. See Figure 9.

Check the wiring and the position indication.

(A) Allow the handle to turn counterclockwise to retract the

spindle.

(B) Turn the handle clockwise to extend the spindle.

Figure 8. Normally Open (SFP Series).

(A) Allow handle to turn counterclockwise to extend spindle.

(B) Turn handle clockwise to retract spindle.

CAUTION:

To avoid damage to actuator, DO

NOT manually assist spring return.

Figure 9. Normally Closed (SFA Series).

NOTE:

The 0 and 1 position

markings are intended

for reference only and

not stroke

measurement.