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Flowrite™ 599 Series SAX Electronic Valve Actuator
Non-spring Return, 24 Vac 3-position (Floating) Control
Manual Override
Automatic mode
Manual operation
Setting the position
Disengaging the setting
Siemens Industry, Inc.
When the motor drives the manual adjuster turns. In Automatic Mode, the manual
adjuster is used for indication of travel. If the manual adjuster is held firm in this mode,
there is no transmission of power to the gear train.
When pushing the manual adjuster down (1), it engages and the actuator can be
manually operated.
When turning the manual adjuster in a clockwise/counterclockwise direction (2), the
actuator's stem extends/retracts.
An overload protection prevents damage to the manual adjuster.
When the black slide switch is pushed out, the manual adjuster remains engaged.
When in this mode, do not turn the manual adjuster.
When the black slide switch is pushed back in, and the manual adjuster is not pressed
down, the manual adjuster returns to Automatic Mode.
Technical Instructions
Document Number 155-507
April 5, 2012
Page 5
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