Data Sheet for Product

Technical Instructions Powermite 599 MZ Series SSB Electronic Valve Actuator
Document No. 155-195P25 24 Vac Floating Control
January 12, 2018
Page 4 Siemens Industry, Inc.
Wiring, Continued
Y2 Retracts actuator shaft
Y1 Extends actuator shaft
G Neutral
Figure 4. SSB81U Hot Switching
Non-Spring Return
Y2 Retracts actuator shaft
Y1 Extends actuator shaft
G System potential (hot)
Figure 5. SSB81U Neutral Switching
Non-Spring Return.
Manual Override
For manual positioning, turn the manual override knob in the center of the position
indicator. See Figure 6. Turn clockwise to move the output shaft outward.
The actuator will maintain its position until power is provided or restored.
Figure 6.
Note:
When knob is turned
counterclockwise (A), the
spindle is retracted.
When knob is turned
clockwise (B), the
spindle is extended