Manual Override - Siemens Powermite 599 Series Technical Instructions

Technical Instructions
Document No. 155-195P25
January 12, 2018
Wiring, Continued

Manual Override

Page 4
Y2 Retracts actuator shaft
Y1 Extends actuator shaft
G Neutral
Figure 4. SSB81U Hot Switching
Non-Spring Return
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.
Powermite 599 MZ Series SSB Electronic Valve Actuator
Y2 Retracts actuator shaft
Y1 Extends actuator shaft
G System potential (hot)
Figure 5. SSB81U Neutral Switching
Non-Spring Return.
Note:
When knob is turned
counterclockwise (A), the
spindle is retracted.
When knob is turned
clockwise (B), the
spindle is extended
Figure 6.
24 Vac Floating Control
Siemens Industry, Inc.